TL;DR: Startup Fundraising Dilution Benchmarks 2026 for Founders
Startup Fundraising Dilution Benchmarks 2026 in 2026 show you that the equity you think you sold is rarely the equity you actually lose.
- Bold claim: The headline round percentage hides about a third of your real dilution. SAFE conversions and option pool top-ups shrink your stake before new money even lands.
- The numbers: The median Q1 2026 Series A raised $20M for 23% of the company. Median founding teams fall from 56% ownership after seed to 36% after Series A. Physical and biotech founders keep 7 points less than SaaS founders.
- Your payoff: Compare yourself by stage, instrument, sector and AI status, not by blended medians. Plan runway for 22+ months, operate to raise in 15, and size your option pool to a named hiring plan. Check any Series A ask against these term sheet statistics, which put the Q2 2026 median near 18.7%. Women founders can also review this female founder dilution data to see how smaller checks raise the cost per round.
Rebuild your fully diluted cap table this week. Then see where your stake lands against the 56% / 36% path before your next term sheet arrives.
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Startup Fundraising Dilution Benchmarks 2026 give founders a blunt answer to the question they ask most often: the median Series A round in Q1 2026 raised $20M and cost 23% of the company, and the median founding team owned just 36% once that round closed. Founders on the fast track graduated from seed to Series A in 14 to 15 months, while founders on the slow track needed 22+ months and gave up more equity along the way. If you just sold 25% of your startup at seed, is that a normal price or a warning sign? The answer depends on three things: your stage, your sector (AI versus non-AI, digital versus physical), and whether you raised on SAFEs or priced rounds.
I am Violetta Bonenkamp, also known as Mean CEO. I run ventures in parallel from Europe: CADChain, a deeptech company for IP protection in CAD files, and Fe/male Switch, a startup game and online incubator for women founders. I have raised money, applied for grants, sat through term sheet negotiations and watched founders in my incubator sign SAFEs they did not understand. This guide compares dilution across stages, sectors, funding instruments and geography, and then shows you what to do when your number lands below, near or above the benchmark.
Here is why this matters. Dilution is the one fundraising cost you pay FOREVER. Interest on a loan ends when you repay it. The equity you sell at seed keeps compounding against you through every later round, every option pool top-up and every exit waterfall.
What are the Startup Fundraising Dilution Benchmarks for 2026 at a glance?
Let’s give you the answer first. The table below pulls together the most decision-relevant numbers from Carta-based datasets and 2026 founder benchmark reports. Where a source did not report quartiles, I say so instead of inventing them.
| Metric | Typical range | Median | Upside or warning signal | Best-fit comparison group | Source period |
|---|---|---|---|---|---|
| Seed round size | $2M to $4M | $3.0M | Fast-track founders raise larger rounds | Seed, all sectors, mostly US | Q1 2026 |
| Seed dilution (priced) | 15% to 23% | about 20% | Carta reports seed dilution trending down | Priced seed rounds | 2025 to 2026 |
| Series A round size | Not reported | $20M | AI foundational-model startups priced at $300M median valuation | Series A, all sectors | Q1 2026 |
| Series A dilution | 18% to 23% | 23% (Peony) | Carta describes current Series A dilution as a multi-year low | Series A | Q1 2026 |
| SAFE dilution, $1M to $2.5M raised | 13.6% (smaller rounds) to 19.4% | 19.4% | 75th percentile reaches 28% to 31% | Pre-seed on SAFEs | 2026 Carta data |
| Founding-team stake after seed | Not reported | 56% | Employee pool sits at 12.1% | Carta founder ownership | 2026 |
| Founding-team stake after Series A | 30.5% (physical, biotech) | 36% | 37.5% for digital, SaaS and AI | Carta founder ownership | 2026 |
| Founding-team stake after Series B | About 22% (physical, biotech) | 21.8% to 27.3% | 27.3% for digital, SaaS and AI | Carta founder ownership | 2026 |
| Founding-team stake after Series C | Not reported | 16.1% | Later rounds dilute less per round | Carta founder ownership | 2026 |
| Time from seed to Series A | 22+ months (slow track) | Not reported | 14 to 15 months (fast track) | Seed-funded startups | Q1 2026 |
Quick read: a software startup is broadly on track when it sells about 20% per priced round and keeps a founding-team stake of at least 50% after seed and 35% or more after Series A, provided that SAFEs and option pool top-ups are counted inside those numbers rather than ignored.
What does startup dilution actually measure?
Definition
Dilution per round is the percentage of your company that new investors own immediately after a financing round, measured on a fully diluted basis. It tells you how much of every future euro or dollar of exit value you just sold. Founder ownership is the cumulative result: the share of fully diluted equity the founding team still holds after all rounds, conversions and pool changes.
Formula
Dilution per round = New investor shares / Post-money fully diluted shares × 100
Simple version: Dilution per round ≈ Amount raised / Post-money valuation × 100
Founder stake after round = Founder stake before round × (1 − dilution from new money − dilution from SAFE conversion − dilution from pool top-up)What is included and what is excluded?
- Included: new money from the lead and co-investors, SAFEs and convertible notes converting into the round, and any option pool top-up the investors require before closing.
- Excluded from Carta round medians: bridges and extensions. The Carta fundraising benchmarks published in July 2026 cover more than 1,000 software rounds and leave those out.
- Reporting frequency: calculate it every time you sign a financing document, and recheck the full cap table every quarter.
- Accounting basis: fully diluted shares, which means issued shares plus all options, warrants and convertible instruments as if exercised.
Example calculation: how 100% becomes 56%
Let’s break it down with a SaaS startup that founders can rebuild in a spreadsheet in ten minutes.
- Day one: two founders hold 90%, and a 10% employee option pool is reserved.
- Pre-seed: the team raises $1.5M on post-money SAFEs with a $12M cap. Those SAFEs equal 12.5% of the company at conversion (1.5 / 12).
- Seed: the team raises $3M at a $13M post-money valuation. New investors take 3 / 13 = 23.1%.
- Before the pool top-up, the founders now hold 90% × 0.875 × 0.769 ≈ 60.6%.
- Pool top-up: the lead investor asks for a 12.1% post-money pool, matching the Carta seed median. The old pool has shrunk to about 6.7%, so roughly 5.4 points are added before the round, mostly at the founders’ expense.
- Result: the founders land at about 56%, which is exactly the 2026 seed median.
Look closely at step six. The founders “sold” 23% of the company in the seed round, yet their stake fell by 34 points from day one. The headline dilution number covered less than two-thirds of the real damage. That gap is where I see founders in my incubator get surprised every single cohort.
Where do the 2026 dilution numbers come from, and how reliable are they?
Almost every serious dilution benchmark you will read this year traces back to Carta, the cap table platform used by tens of thousands of US startups. That gives the numbers depth and also a strong US bias. Here is what each source contributes.
- Peony published the Q1 2026 startup fundraising benchmarks with the $3M seed and $20M Series A medians, the 23% Series A dilution figure, the 14 to 15 month versus 22+ month graduation split, and Carta’s Founder Ownership 2026 sector data.
- EquityDilutionCalculator.com compiles Carta median dilution by stage for 2026, including founding-team stakes, the 93% SAFE share of pre-seed rounds in Q2 2026, Series D medians, and the AI valuation split from Carta’s State of Private Markets Q1 2026 report.
- Pitchwise provides the 2026 seed and Series funding round guide with a $3.1M median seed, $10M to $30M pre-money valuations and 15% to 20% dilution.
- Waveup reports in its startup funding stages guide for 2026 that the median seed post-money valuation hit $24M, up from $18M a year earlier and $16M two years earlier.
- A Carta-based LinkedIn summary of 4,000+ US rounds gives the 2026 fundraising cheat sheet on median rounds and dilution rates: 15.5% at pre-seed, 20% at priced seed and 18% at Series A.
- A 2026 SAFE fundraising briefing on YouTube breaks down SAFE dilution by round size from Carta data: 13.6% for $500K to $1M raises and 19.4% for $1M to $2.5M raises.
Statistic type: nearly all figures here are medians, which is good, because a single mega-deal does not distort a median. Outliers: Q1 2026 was the largest VC quarter on record by total dollars, yet Peony notes that once you remove the top five mega-deals (Anthropic, xAI, Project Prometheus, OpenAI tranches and Waymo), the underlying market looks roughly flat. Conflicts: where sources disagree, I show the range and explain the likely reason below.
Benchmarks are reference points, not universal targets. A healthy dilution result depends on a startup’s stage, business model, growth strategy, margins, geography and access to capital.
Which peer group should you compare your dilution with?
A benchmark only helps when the comparison group looks like your startup. A Dutch hardware founder comparing herself with a San Francisco AI model company will either panic for no reason or relax for the wrong reason.
| Dimension | Segments that matter for dilution | Why it changes the number |
|---|---|---|
| Stage | Pre-seed, seed, Series A, Series B, Series C+ | Per-round dilution shrinks from about 20% early to about 8% at Series D. |
| Instrument | SAFEs, convertible notes, priced rounds | 93% of pre-seed rounds are SAFEs, so dilution is deferred and lands all at once. |
| Sector | AI, digital and SaaS versus physical, industrial and biotech | Founders in physical sectors keep 7 points less at Series A. |
| AI status | AI foundational-model versus non-AI | $300M versus $55M median Series A valuation changes the price per percent. |
| Track | Fast track versus slow track | Fast-track founders raise more, faster, and keep more equity. |
| Geography | US, EU, single country | Valuation levels, grant access and investor norms differ. |
| Funding model | Bootstrapped, grant-funded, angel-backed, VC-backed | Non-dilutive capital can replace a whole round. |
Best-fit rule: compare your startup first by stage and instrument, then by sector (AI, digital or physical), and only then use a blended startup median when no closer peer data exists.
How much dilution should you expect at each stage in 2026?
Pre-seed: how much do SAFEs really cost?
| Metric | Typical range | Stretched range | Context |
|---|---|---|---|
| SAFE dilution, $500K to $1M raised | 13.6% median | Up to 28% to 31% at the 75th percentile | Carta data, SAFE rounds |
| SAFE dilution, $1M to $2.5M raised | 19.4% median | Higher when many SAFEs stack | Carta data, SAFE rounds |
| Pre-seed valuation cap ($1M+ raise) | $13M median cap | Not reported | 15.5% median dilution |
| Share of pre-seed rounds on SAFEs | 93% | Not applicable | Q2 2026 |
At pre-seed, there is no priced-round median because almost nobody prices the round. The dilution is REAL BUT DEFERRED. It lands on your cap table in one hit when the SAFEs convert at your first priced round. On top of that, SAFE rounds keep getting bigger: $3M and $4M raises now happen on SAFEs, which used to be the territory of priced rounds. Stacking a dozen SAFEs can add more than a full percentage point of extra dilution through conversion math alone.
In my experience with founders in Fe/male Switch, the SAFE is the single most misunderstood document in early fundraising. Founders celebrate the money and never model the conversion. I treat that as a design problem, not a character flaw: the instrument hides its cost by design, so the founder has to build the visibility herself.
Founder moves:
- Build a pro forma cap table after every SAFE you sign, showing ownership at conversion under a low, median and high seed valuation.
- Raise only what gets you to a minimum viable signal, such as first paying customers or a working minimum viable product (the earliest usable version of your product). Every extra $500K on a SAFE costs equity you cannot claw back.
- Keep one master spreadsheet with every cap, discount and pro rata right. Founders who cannot list their SAFEs from memory usually over-dilute.
Seed: is 20% still the going rate?
| Metric | Lower end | Median | Upper end | Context |
|---|---|---|---|---|
| Seed round size | $2M | $3.0M to $3.1M | About $4M | Peony, Pitchwise, Waveup |
| Seed dilution | 15% | About 20% | 23% | Priced seed; excludes pool top-up |
| Seed post-money valuation | Not reported | $20M to $24M | $25M on SAFE-heavy seeds | Carta-based summaries |
| Founding-team stake after seed | Not reported | 56% | Not reported | Carta 2026 |
| ARR expected at seed | $300K | Not reported | $500K | Pitchwise |
Seed valuations keep climbing. Waveup reports a $24M median seed post-money, an all-time high, up from $18M a year earlier. Carta also reports that seed dilution has been ticking down for months. Translation: investors pay more per percent at seed than at any point in recent years, yet founders still give up roughly a fifth of the company. The money got bigger, and the slice stayed similar.
What matters most at seed is the cumulative stake, not the per-round number. A 20% seed round on top of 19% of converting SAFEs and a 5-point pool shuffle leaves you closer to 55% than to 80%.
Founder moves:
- If you diluted more than 23%: check whether the pool top-up was sized to a real 18-month hiring plan or to an investor’s default number. Negotiate the pool from a named hiring list.
- If you sit near 20%: you are at market. Spend your negotiation energy on board seats, liquidation preferences and pro rata rights instead.
- If you diluted 15% or less: confirm that SAFEs and pool changes are counted. If they are, you are on the fast track, so protect it by hitting your Series A metrics early.
Series A: why do sources disagree between 18% and 23%?
| Metric | Lower end | Median | Upper end | Context |
|---|---|---|---|---|
| Series A round size | Not reported | $20M | Not reported | Peony, Q1 2026 |
| Series A dilution | 17.9% (Q1 2025) | 18% to 23% | 20.9% (Q1 2024) | Carta, Peony |
| Series A valuation, non-AI | Not reported | $55M | Not reported | Carta Q1 2026 |
| Series A valuation, AI foundational model | Not reported | $300M | Not reported | Carta Q1 2026 |
| Founding-team stake after Series A | 30.5% | 36% | 37.5% | Physical vs digital sectors |
Here is the honest conflict. Peony reports a 23% median Series A dilution for Q1 2026. A Carta-based summary of 4,000+ US rounds reports 18%, with a $61.2M median post-money. Carta itself describes the current Series A dilution as the lowest in years, and its Q1 2025 figure was 17.9%, down from 20.9% a year before. The math explains part of the gap: a $20M raise at 23% implies a post-money of roughly $87M, while 18% of $61.2M implies a raise of about $11M. These are different samples, different time windows and possibly different definitions (one may include the pool top-up, the other may not).
For a European software founder raising her first institutional round, I would plan for 20% to 23% and treat anything at 18% or below as a good result. Plan for the worse number, celebrate the better one.
Founder moves:
- Fix the gap that investors price hardest: repeatable revenue. Series A is where investors pay for proof that sales do not depend on the founder personally closing every deal.
- Do not accept a larger round just because it is offered. Each extra $5M at an $87M post costs about 5.7 more points of the company.
- Stress-test whether your growth survives the next 18 months of hiring. A Series A priced on a temporary spike becomes a down round later, which is the most expensive dilution of all.
Series B and later: how much is left for founders?
| Stage | Typical dilution per round | Median founding-team stake after round | Other medians |
|---|---|---|---|
| Series B | About 17% | 21.8% to 27.3% | Startupa.ge cites 23% (Carta, 2025) |
| Series C | About 14% | 16.1% | Median post-money around $391M (Carta-based) |
| Series D | 8% (median) to 10% | Not reported | $63M median raise, $789M median post-money |
Per-round dilution falls as valuations rise. Qubit Capital’s guide on how AI founders handle equity dilution in 2026 lists typical per-round dilution of about 20% at seed, 20% at Series A, 17% at Series B, 14% at Series C and 10% at Series D. Carta’s own Series D median sits lower at 8%. By Series C, the median founding team holds about one sixth of the company. That is why the early rounds matter so much: you have the least leverage exactly when every percent costs the most.
Bootstrapped and grant-funded startups: what is the right benchmark?
If you are bootstrapped, the honest benchmark is 0% dilution and positive cash flow, and the VC tables above are context, not targets. My companies have received national and EU-level grants and support programs, and I have seen how one well-timed grant can replace a small equity round. Waveup’s guide to non-dilutive funding for startup founders covers grants, revenue-based financing, debt, rewards crowdfunding and tax credits, with timelines ranging from days for debt to a year or more for competitive grants.
Founder moves:
- Track cash payback and months of runway, not valuation. Valuation is a vanity number until someone writes a check.
- Stack non-dilutive sources in sequence: grant applications take months, so start them before you need the money.
- Do not copy the growth targets of a capital-intensive peer group. A $20M Series A company and a profitable five-person software business play different games.
Does your sector or business model change the dilution math?
Yes, and by a lot. Carta’s Founder Ownership 2026 data shows that sector is the second-strongest predictor of founder retention after round size.
| Business model or sector | Founder stake after Series A | Founder stake after Series B | Main factor | Watch-out |
|---|---|---|---|---|
| Digital, SaaS and AI | 37.5% | 27.3% | Low capital needs per unit of growth | AI compute costs can push AI startups toward the physical profile |
| Physical, industrial and biotech | 30.5% | About 22% | Long development cycles, labs, hardware and regulation | More rounds before revenue means more cumulative dilution |
| AI foundational-model (Series A) | Not reported | Not reported | $300M median valuation | Huge rounds can still mean heavy dilution |
| Non-AI startups (Series A) | Not reported | Not reported | $55M median valuation | Blended medians make non-AI founders look underpriced |
Three differences deserve your attention.
- The 7-point gap grows over time. A biotech or hardware founder starts Series A 7 points behind a SaaS founder, and that gap widens at later rounds because physical companies typically need more rounds before meaningful revenue.
- AI broke the blended median. More than 60% of all venture capital raised on Carta in Q1 2026 went to AI companies, the highest share ever recorded. About half of the 1,000+ software rounds in Carta’s July 2026 benchmark would count as AI-native. A non-AI founder comparing her $55M valuation with a blended median is comparing herself with a different market.
- Deeptech sits in between. CADChain is software, but it is deeptech: blockchain and machine learning applied to CAD files, sold into engineering firms with long sales cycles. Companies like that often face physical-sector timelines with software-sector valuations, so I advise deeptech founders to plan with the 30.5% number, not the 37.5% one.
Do US dilution benchmarks apply to European startups?
Only partly. Almost every number in this article comes from Carta, which is dominated by US companies. The sources do not publish a separate EU median for 2026, and I will not invent one.
| Region | Benchmark available | Sample period | What may explain the difference |
|---|---|---|---|
| United States | Seed $3.0M, Series A $20M, 18% to 23% dilution | Q1 2026 | Largest capital pool, SAFE norms, higher valuations |
| European Union | No separate 2026 dilution median in the sources | Not applicable | Smaller rounds, more grants, fragmented markets |
| France (outlier) | AMI Labs: $1.03B seed at $3.5B pre-money | March 2026 | Founder profile (Yann LeCun), AI foundational models |
| Global (Carta) | Over 60% of VC to AI | Q1 2026 | Sample weighted toward US software |
The one European data point in the research is spectacular and irrelevant to most readers. AMI Labs in Paris, founded by Turing Award winner and former Meta Chief AI Scientist Yann LeCun, raised a $1.03B seed at a $3.5B pre-money valuation, the largest European seed round ever, co-led by Bezos Expeditions, Cathay Innovation, Greycroft, Hiro Capital and HV Capital. Its dilution works out to roughly 23%, which is the same percentage as an ordinary US seed. Even at the extreme top, investors still buy about a fifth.
From my own European experience, these regional factors change your real dilution:
- Currency: US medians are in dollars. Convert at the date of your round, not today.
- Grants and subsidized programs: the EU and national agencies fund R&D that US founders often pay for with equity. A grant can replace part of a seed round entirely.
- Instruments: SAFEs are a US template. Many European investors use convertible loans or local equivalents with different conversion terms, so read the mechanics before applying US SAFE benchmarks.
- Employment rules and option plans: employee stock option taxation differs by country, which affects how investors size your pool.
- Market fragmentation: selling across languages and legal systems slows revenue, which can push a European startup onto the slower track and into an extra round.
Why did the 18-month rule for Series A die, and which track are you on?
For years, founders heard that you raise seed, then raise Series A about 18 months later. Peony’s Q1 2026 data says that rule no longer describes anyone. The market split into two tracks.
| Track | Seed to Series A | Round size | Dilution per round | Graduation rate |
|---|---|---|---|---|
| Fast track (Elite) | 14 to 15 months | Larger | Lower | Higher |
| Slow track (Grind) | 22+ months | Smaller | Higher | About half |
Here is the provocative part: MOST founders are on the slow track, and the headline medians hide it. A median is a point between two very different populations. If you plan your runway around 18 months while you are realistically on a 22-month path, you will raise a bridge, and bridges are dilution that Carta’s round medians do not even count.
My view, shaped by running ventures in parallel: plan your seed runway for 24 months, run your company to hit Series A metrics in 15. If you get there early, you raise from strength. If you do not, you still have cash. Founders who plan for the fast track and land on the slow one pay for that optimism in equity.
What does good dilution look like in 2026?
| Performance band | Dilution per priced round | Interpretation | Appropriate response |
|---|---|---|---|
| Needs investigation | Above 25% | Weak negotiating position, oversized round, or a large pool top-up | Separate new money, SAFE conversion and pool effects line by line |
| Within benchmark | 18% to 23% | Typical 2026 seed or Series A | Negotiate terms beyond price: preferences, board, pro rata |
| Strong | 12% to 17% | Fast-track profile or high demand for the round | Protect momentum and hit next-round metrics early |
| Exceptional or anomalous | Below 12% at seed or Series A | Rare; may hide unfavorable terms elsewhere | Audit liquidation preferences, warrants and side letters |
Low dilution is not automatically healthy. A tiny percentage can come with a 2x participating liquidation preference that costs you more at exit than an extra 5% of equity would have. A sky-high valuation can set a bar the company cannot clear next round, which leads to a down round. The best number is the one the business can grow into.
How do you diagnose your own dilution result?
If you gave up more than the benchmark
- Verify the calculation: fully diluted basis, all SAFEs converted, pool top-up included.
- Confirm the peer group: a biotech founder at 30% after Series A is at her sector median, not below it.
- Split the loss into three parts: new money, SAFE conversion and pool top-up.
- Identify the part with the largest controllable gap. Usually it is the SAFE stack or an oversized pool.
- Fix it for the next round within 90 days: renegotiate pool sizing with a hiring plan, or stop issuing new SAFEs.
If you are near the benchmark
- Check the trend across rounds, not just the latest one. Two “normal” 23% rounds plus a bridge is not normal.
- Compare against your sector line: 37.5% for digital or 30.5% for physical after Series A.
- Improve the weakest term without giving up a stronger one. Price is only one line on the term sheet.
- Set a target ownership for your exit, then work backward to a per-round dilution budget.
If you gave up less than the benchmark
- Validate that your definition matches Carta’s: fully diluted, post-money, bridges excluded.
- Read the full term sheet for preferences, warrants and ratchets that move value away from you.
- Identify what made investors compete, and document it so you can repeat it next round.
- Raise carefully next time. A high valuation creates pressure to grow into it fast.
Which metrics should you read alongside dilution?
| Main benchmark | Pair with | Why |
|---|---|---|
| Dilution per round | Round size, post-money valuation | 20% of $3M and 20% of $20M are different deals. |
| Founder ownership | Liquidation preference stack | Owning 36% means little if preferences absorb most exit value. |
| Round size | Runway in months, burn rate | Raising more buys time but costs equity. |
| Time to next round | ARR and growth rate | Fast-track timing requires fast-track traction, such as $300K to $500K ARR at seed. |
| SAFE totals | Expected priced-round valuation | SAFE dilution depends on the price at conversion. |
| Option pool size | Named hiring plan | Unused pool shares are dilution you paid for nothing. |
Do not optimize dilution in isolation. A lower percentage is healthy only if your runway still reaches the next financing point and your terms outside price remain standard.
What mistakes cost founders the most equity in 2026?
These are the patterns I see again and again, both in my own fundraising history and among the women founders playing through fundraising quests in Fe/male Switch.
- Stacking SAFEs without a model. The 75th percentile of SAFE dilution reaches 28% to 31%. Most of those founders did not know until conversion.
- Accepting an investor-sized option pool. The pool shuffle happens before the money comes in, so founders pay for it alone.
- Benchmarking against AI medians as a non-AI company, or the reverse. $300M and $55M describe two separate markets.
- Planning for 18 months when you are on a 22-month track. The resulting bridge round is unpriced dilution.
- Chasing the biggest round. Every extra million at a fixed valuation is extra dilution. Raise for the next proof point, not for comfort.
- Ignoring non-dilutive money. Grants, revenue-based financing and accelerator support can push a round back by months, which often means a higher price.
“Gamification without skin in the game is useless.” I apply the same rule to fundraising education. Founders learn dilution by modeling their own cap table with real numbers, not by reading definitions.
Violetta Bonenkamp, Mean CEO
What is a 90-day plan to protect your equity before the next round?
Days 1 to 14: Measure
- Rebuild your cap table on a fully diluted basis, including every SAFE, note and option.
- Model conversion at three seed or Series A valuations: pessimistic, median and optimistic.
- Pick your peer group: stage, instrument, sector, AI or non-AI.
- Split your cumulative dilution into new money, conversions and pool changes.
Days 15 to 45: Test
- Choose one lever, such as pool size, round size or a non-dilutive source.
- Write one hypothesis, for example: “A named 18-month hiring plan will cut the required pool from 15% to 12%.”
- Set a guardrail: runway must stay above 18 months after the change.
- Test the idea in conversations with two or three friendly investors or advisors before the real negotiation.
Days 46 to 75: Improve
- Keep, revise or drop the lever based on the feedback.
- Submit at least one grant or non-dilutive application if you qualify.
- Check that your traction story still supports your target valuation after the novelty of new metrics fades.
Days 76 to 90: Standardize
- Document your dilution budget for the next two rounds.
- Assign one person (often you) to update the cap table model after every signed document.
- Set a target founder stake and a walk-away dilution number before any term sheet arrives.
- Schedule a quarterly review against the latest Carta data.
How should different founders use these dilution benchmarks?
Bootstrapped startups
- Use the VC numbers to price the option you are not exercising: one seed round costs about 20% plus conversions.
- Compare yourself with other capital-light companies, not with $20M Series A startups.
- Raise only when a specific growth opportunity is worth a specific slice of equity.
VC-backed startups
- Budget cumulative dilution across seed, A and B before signing seed. The medians lead to 56%, 36% and roughly 22% to 27%.
- Separate a temporary burn increase after a round from weak unit economics.
- Expect your dilution budget to shrink per round as valuations rise: about 17% at B, 14% at C, 8% to 10% at D.
Women-led and underrepresented founders
None of the 2026 sources segment dilution by founder gender or background. That gap matters. I built Fe/male Switch on one principle: “Women do not need more inspiration; they need infrastructure.” Unequal access to capital and networks is a structural issue, not a personal performance gap, and a worse term sheet often reflects fewer competing offers rather than a weaker company.
- Create competition for your round: more investor conversations in parallel means more negotiating power on price.
- Use grants and women-focused programs before equity where you qualify.
- Practice term sheet negotiation in a low-risk setting before the real one. Role-play is cheap; a bad pool clause is not.
Solo founders and small teams
- A solo founder owns 100% of the founder stake, so median “founding-team” numbers look closer to individual ownership than they do for a team of three.
- Default to no-code tools and AI agents until you hit a hard wall. Every hire you delay is pool dilution you avoid.
- Track five numbers only: cash, runway, cap table, ARR and time to next round.
EU startups
- Label every US benchmark in your board deck as US data.
- Combine equity rounds with national and EU grant programs; when CADChain grew from about 4 to around 25 people between 2021 and 2022, grants and support programs were part of the funding mix alongside investment.
- Check how your local convertible instrument converts before you compare it with US SAFE data.
What are the data gaps and caveats in 2026 dilution benchmarks?
- Geographic bias: Carta data is US-dominated. European founders get one outlier (AMI Labs) and no EU median.
- Survivorship bias: founders who never raised a priced round, or whose companies failed, rarely appear in round medians.
- Funding bias: the sample is venture-backed by definition, so bootstrapped companies are invisible.
- Definition mismatch: some figures include pool top-ups, others do not. That likely explains part of the 18% versus 23% Series A gap.
- Sector mixing: about half of Carta’s software rounds are AI-native, which pulls blended valuations up.
- Exclusions: bridges and extensions are excluded, so slow-track founders look less diluted than they really are.
- Time sensitivity: the Q1 2026 record quarter was concentrated in five mega-deals, so headline totals can mislead.
- Missing segmentation: no reliable 2026 data exists by founder gender, solo versus team, or EU country.
When sources conflict, use this pattern. Peony reports 23% median Series A dilution, while a Carta-based summary reports 18%. The gap likely reflects sample size, time window and whether the pool top-up is counted. For a European software founder, the more useful planning number is the higher one, because it leaves room for the pool shuffle and the slower track.
Which dilution insights can founders quote in 2026?
- “Investors still buy about 20% per early round in 2026, whether the seed is $3M or $1.03B. Valuations moved; the slice barely did.”
- “The median founding team goes from 56% after seed to 36% after Series A, so the Series A round removes more than a third of what founders kept.”
- “A physical or biotech founder holds 30.5% after Series A versus 37.5% for a SaaS founder. Sector costs 7 points before the company even reaches Series B.”
- “With 93% of pre-seed rounds on SAFEs, most founders do not know their real dilution until their first priced round.”
- “A non-AI startup should not compare its $55M Series A valuation with a blended median shaped by $300M AI rounds.”
- “The 18-month rule is dead: plan runway for 22+ months, operate to raise in 15.”
Founder dilution worksheet
Copy this into your spreadsheet and fill in your column before your next investor meeting.
| Field | Your startup | Best-fit benchmark | Gap | Next action |
|---|---|---|---|---|
| Dilution definition | Fully diluted, post-money? | Carta: fully diluted, bridges excluded | Match or mismatch | Standardize your model |
| Last round dilution | __% | About 20% (seed), 18% to 23% (A) | __ points | Split into money, SAFEs, pool |
| Founding-team stake | __% | 56% / 36% / 22% to 27% | __ points | Set next-round dilution budget |
| Total SAFEs outstanding | $__ | 13.6% to 19.4% dilution by size | __ | Model conversion at three prices |
| Option pool | __% | 12.1% at seed | __ points | Tie to named hiring plan |
| Months since last round | __ | 14 to 15 fast / 22+ slow | __ | Adjust runway plan |
| Review date | __ | Quarterly | Not applicable | Assign owner |
Practical dilution checklist
- ☐ Define dilution in one sentence: fully diluted, post-money.
- ☐ Include SAFE conversions and pool top-ups in every calculation.
- ☐ Record whether each benchmark is a median, range or percentile.
- ☐ Segment by stage, instrument, sector, AI status and geography.
- ☐ Keep links to the original sources in your board materials.
- ☐ Note the sample and period (Q1 2026, Q2 2026, July 2026).
- ☐ Convert currencies at the date of each round.
- ☐ Explain why sources disagree before picking a number.
- ☐ Pair dilution with runway and liquidation preferences.
- ☐ Prepare responses for above-, near- and below-benchmark outcomes.
- ☐ Label estimates and missing EU data clearly.
- ☐ Add a “last updated” date and schedule your next quarterly review.
Frequently asked questions about startup dilution in 2026
How much equity should I give up at seed in 2026?
Plan for about 20% from new money in a priced seed, with a range of 15% to 23%. Add converting SAFEs and the pool top-up on top. The median founding team holds 56% after seed.
What is the median Series A dilution in 2026?
Peony reports 23% on a $20M median round in Q1 2026. A Carta-based summary of 4,000+ US rounds reports 18%. Use 18% to 23% as your range.
How much do founders own after Series B?
The median founding team holds 21.8% to 27.3% after Series B, depending on sector. Digital, SaaS and AI founders sit near 27.3%; physical, industrial and biotech founders sit near 22%.
Do AI startups get diluted less?
AI foundational-model startups raise at a $300M median Series A valuation versus $55M for non-AI startups, so each percent sells for more. They also tend to raise much larger rounds, so the percentage sold can still be similar. The sources do not publish a separate AI dilution median.
What is your next step?
Next steps are simple and take one afternoon. Rebuild your cap table on a fully diluted basis using the formula above, pick your closest peer group (stage, instrument, sector, AI or non-AI), and compare your founding-team stake with the 56% / 36% / 22% to 27% path. Then choose ONE lever for the next 90 days: shrink the pool to a real hiring plan, stop adding SAFEs, or start a grant application.
If you want to see your numbers modeled round by round, run them through the startup dilution calculator with Carta stage benchmarks and compare the result with the founder dilution benchmarks across rounds in 2026. And if you are a woman founder who wants to practice a term sheet negotiation before the real one, that is exactly the kind of uncomfortable, consequence-heavy rehearsal I build into Fe/male Switch. Equity is the one currency you cannot print more of, so treat every percent like it is your last.
FAQ on Startup Fundraising Dilution Benchmarks 2026
Should I accept a Series A ask of 25% or more in 2026?
Usually not. Carta's Q2 2026 median Series A raised $14.7M at roughly $76M to $79M post-money, which implies about 18.7% dilution, even lower than Q1 figures. Treat asks of 25% or more as off-market. Ask the investor to show the math, then counter with a smaller raise or a tighter option pool. Review the latest startup term sheet statistics.
How can a down round increase founder dilution beyond the price drop?
A down round triggers anti-dilution protection, which issues extra shares to earlier investors at your expense. Full-ratchet clauses hurt far more than broad-based weighted average. Pay-to-play rules and option pool resets add further dilution. Negotiate weighted-average anti-dilution at seed, and raise before cash pressure peaks. See how down rounds reshape cap tables in 2026.
How many investors should I contact to get competing term sheets and lower dilution?
Work backward from your meeting goal. Roughly 200 well-matched investors typically produce about 10 meetings. Competition is your strongest lever on price, so run outreach in tight parallel batches over a few weeks instead of pitching one investor at a time. Segment your list by stage, sector and cheque size. Check investor pitch response rate statistics.
Should European founders expect higher pre-seed dilution than US founders?
Often, yes. The median pre-seed valuation is about $3.48M in Europe versus $7.64M in the US, so the same cheque buys investors a larger slice. Equidam estimates global median pre-seed dilution at 10.2%. To limit the damage, raise smaller cheques and use grants first. Compare startup valuation statistics by stage and explore the European Startup Playbook.
Which non-dilutive options can replace or delay an equity round?
Revenue-based financing suits capital-efficient businesses with recurring revenue and requires no board seat. Venture debt can extend runway by 6 to 12 months but usually requires existing equity backers. Grants such as EU Horizon or SBIR preserve equity but take months to land. Choose the option that matches your ability to repay. Explore non-dilutive funding alternatives for founders.
Do pre-money or post-money SAFEs dilute founders more?
Post-money SAFEs usually cost founders more. They fix each investor's ownership percentage, so founders absorb the dilution from every SAFE issued afterwards. Pre-money SAFEs spread that dilution across all existing holders, including earlier SAFE investors. Since post-money SAFEs are now standard, set a cap on total SAFE issuance and model each new SAFE against your remaining stake. Watch the 2026 SAFE fundraising dilution breakdown.
How do I set a dilution budget based on my target exit ownership?
Compound the typical per-round dilution: 20% at seed, 20% at Series A, 17% at Series B, 14% at Series C and 10% at Series D. Together these leave founders about 41% of their starting stake, before SAFE conversions and pool top-ups. Decide your minimum ownership at exit, then cap each round to stay above it. Read how AI founders plan equity dilution.
How do I judge whether a dilutive round actually increased my wealth?
Multiply your ownership percentage by the post-money valuation before and after each round. Owning 23% of a $120M company is worth far more than 100% of an unfunded idea. If the paper value of your stake does not rise meaningfully after a round, the capital was too expensive or poorly used. Understand how equity dilution works across funding rounds.
How long does closing a seed round take, and why does it matter for dilution?
Seed rounds typically take three to six months to close. Founders who start fundraising with less than six months of runway negotiate from weakness and often accept worse prices or bridge rounds. Start outreach with at least nine to twelve months of cash, ideally with traction approaching $300K ARR. Review seed and Series funding round benchmarks.
What do rising seed valuations mean for my next round?
The median seed post-money valuation reached $24M, up from $18M a year earlier. A higher seed price raises the bar for Series A, because you need traction that justifies a meaningful step-up or you risk a flat or down round. Before accepting a high seed price, map out the milestones your next investors will expect. See 2026 startup funding stages benchmarks.
People Also Ask:
What is the typical dilution per funding round for startups in 2026?
Most 2026 benchmarks put early-stage dilution at around 15% to 20% per round, with the percentage falling as a company matures. Median figures sit near 18% for pre-seed, 20% for seed and Series A, 16% for Series B, and 12% for Series C. Later rounds such as Series D and E often land closer to 10% to 11%.
How much equity do founders give up in a seed round in 2026?
Priced seed rounds in 2026 typically dilute founders by 18% to 20%. Carta data shows a median seed dilution of about 19.5%. Causo.ai's H1 2026 report cites a $3.0M median deal at an $18.4M median pre-money valuation, with dilution of 19% to 20%. Larger priced seed rounds of $4M to $6M can reach 20% to 23%.
How much dilution is normal at pre-seed?
Pre-seed rounds usually dilute founders by 15% to 18%. Smaller SAFE-based pre-seed raises tend to come in lower, around 11.7% to 15.5%. BVJ Consulting's guide, based on Carta and AngelList figures through August 2026, lists pre-seed raises of $500K to $2.4M at roughly 11% to 16% dilution.
How much dilution should I expect at Series A in 2026?
Series A rounds commonly dilute founders by 18% to 23%. Median Series A valuations fall roughly between $49M and $80M depending on the data source, and median round sizes sit near $20M. Peony's Q1 2026 report puts median Series A dilution at 23%, the upper end of the range. Founder Institute benchmarks also show that seed valuations dipped slightly over the past year while Series A valuations rose.
How does dilution change at Series B and Series C?
Dilution drops as companies gain traction and bargaining power. Series B rounds typically dilute 12% to 16% at median valuations near $191M. Series C rounds come in around 9.8% to 12% at median valuations near $391M. By Series C and beyond, dilution per round usually falls below 12% to 15%.
Do SAFEs cause less dilution than priced rounds?
SAFEs often lead to lower immediate dilution because they postpone the valuation conversation. SAFE rounds of $500K to $2M show median dilution of about 11.7%, compared with 19% for priced seed rounds. Stacking several SAFEs or convertible notes adds up, though, and cumulative dilution can be higher than expected once they all convert in a priced round.
How does the employee option pool affect founder dilution?
Most early-stage rounds include a 10% to 15% employee stock option pool (ESOP) creation or expansion. Investors usually expect the pool to come out of the pre-money valuation, so it dilutes founders on top of the shares sold to new investors. Qubit Capital notes that after reserving a 15% option pool, founders may hold roughly 55% on a fully diluted basis.
Why do hardware, biotech, and climate startups face more dilution?
These companies need large amounts of capital before they reach revenue. The money goes to equipment, lab work, clinical trials, or physical infrastructure. That heavy capital need pushes dilution to around 22% to 28% per round, well above the 15% to 20% common for software startups.
What are median seed round valuations according to Carta?
Carta-based 2026 benchmarks place the median priced seed round at about $3M to $4.1M raised on valuations of $20M to $24.3M. One commonly cited example is a $4M raise at a $16M pre-money valuation. That deal produces roughly 20% dilution, close to Carta's 19.5% median for seed rounds.
How much of the company do founders own after several funding rounds?
Founder ownership shrinks with each raise. In the early rounds, founders often give up 20% to 25% to investors, and option pools take another slice. After a seed round, a Series A, and a 15% option pool, a founding team may hold around 55% on a fully diluted basis. That share keeps falling through Series B, C, and later rounds, but the decline slows because each later round dilutes less.
