Jumbo Series A Rounds Are Hiding the Seed Squeeze

TL;DR: Series A deal counts are falling even as giant rounds grab headlines. Crunchbase counted 272 Series A rounds in the third quarter of 2026, down about 28% from 377 a year earlier. If you write seed checks, you can't judge the market by round size. The share of seed companies that graduate matters more.

Now look at the other side of the ledger. Global startups have closed at least 114 Series A rounds of $100 million or more so far this year, Crunchbase reported in late September. Those deals pull the dollar totals up while the count of companies getting through falls. That gap is the squeeze.

How many seed companies actually reach a Series A?

Fewer than used to, and the drop is steep. According to Crunchbase News, only 24% of companies that raised a $1 million-plus seed in 2023 have moved past seed, and just 16% of the 2024 cohort. For cohorts through 2020 the figure was 55% or higher.

The 2024 cohort is younger, so its number may still rise. Even so, the gap against the pre-2021 cohorts is wide.

Seed cohort ($1M+ seed)	Share that moved past seed
Through 2020	55% or higher
2023	24%
2024	16%

Source: Crunchbase News. The 2024 figure covers a cohort that has had less time to raise.

What bar does a seed company have to clear now?

Revenue. Series A investors now expect $2 million to $3 million in ARR, sometimes $4 million, according to Crunchbase News.

That changes what a seed check buys. Your money has to carry the company through more than two years before anyone else will put a price on it.

Why aren't bigger seed rounds solving the problem?

Because a bigger round raises the target without raising the odds. Crunchbase puts the median seed round at about $3 million in 2025, 3x its 2018 level. PitchBook's data points the same way: the median US pre-seed pre-money valuation has tripled to $12 million from $4 million in 2020, and the typical seed deal now prices at $19.5 million pre-money.

At those valuations the company needs a much larger outcome for your stake to be worth more than you paid. Our earlier piece on seed rounds growing while Series A gets harder covers the same pressure, and seed funding in 2026 breaks down who writes the checks.

What does a company that clears the bar look like?

Crunchbase gives one example: Atomic, a New York-based supply chain planning software company founded in 2023. It raised a $3 million seed in April 2025, led by Madrona and DVx Ventures, then closed a $12.5 million Series A led by Madrona and Klass Capital about 17 months later.

Funds of $100 million to $500 million typically lead the Series A, per Crunchbase. Those are the investors a seed company has to win, so ask who they are before you write a check.

Common mistakes when reading Series A headlines

Total dollars are not a count of funded companies. Dollars can rise while deal counts fall, and this quarter's comparison shows the count fell.

A seed company with a good story isn't automatically on track. Without revenue near the $2 million to $3 million range investors now expect, the story still has a long road to a priced round.

Then there's the calendar. If seed-to-A now runs past two years, a company with 18 months of cash has a gap to fill, and bridge terms can dilute you.

The last one is portfolio size. With graduation rates this low, three checks is a bet, not a strategy. Spreading across many companies is the only way the odds work in your favor, and even that promises nothing.

For how rounds fit together, see our guide to startup funding rounds in specific numbers and the explainer on pre-seed funding.

What to watch next

Watch the next quarterly Series A count from Crunchbase. A second consecutive drop would suggest the third quarter wasn't a blip. Also watch whether the 2024 seed cohort's 16% climbs as those companies age. Crunchbase publishes both, so you can check them yourself.

FAQ

Are Series A rounds getting bigger?

At the top, yes. Crunchbase reported at least 114 Series A rounds of $100 million or more so far this year. Meanwhile the total number of Series A deals fell about 28% in the third quarter of 2026.

What ARR do Series A investors expect now?

Crunchbase News reports $2 million to $3 million in ARR, sometimes $4 million.

How long does it take to go from seed to Series A?

Crunchbase reports the time from seed to A has stretched past two years. Check how many months of cash a seed company has left against that timeline.

Does a larger seed round improve the odds of a Series A?

The data doesn't show that. Seed rounds have grown, yet Crunchbase reports only 16% of the 2024 $1M-plus seed cohort has moved past seed so far.

Your next step today

Before your next seed check, ask the founder two questions in writing: what is current ARR, and how many months of cash remain at the current burn. Compare the answers with the $2 million to $3 million ARR range and the two-year timeline above. If you'd like the next quarter's count when it lands, the free AIN briefing carries it.

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