The 2021 fundraising environment is gone. Median startup funding rounds in 2025 are 30–50% below peak, the conversion rate from seed to Series A has dropped from ~50% to ~38%, and investors are underwriting to profitability paths they were ignoring three years ago.
I've made 65+ investments across every stage. I've watched founders raise at the wrong time, at the wrong size, and on the wrong terms — and I've watched others use market clarity to raise more efficiently than peers who were diluted out of their companies in 2021. This is the data you need before you go out.
Startup Funding Round Benchmarks in 2025
Based on Carta State of Private Markets 2025, PitchBook Q1 2025 data, and Crunchbase funding trends, here's what each stage actually looks like today:
| Stage | Median Round Size | Post-Money Valuation | Typical Dilution | Check Size (Lead) |
|---|---|---|---|---|
| Pre-Seed | $750K–$1.5M | $4–6M | 15–20% | $250K–$750K |
| Seed | $2.5–$3.5M | $12–15M | 20–25% | $500K–$2M |
| Series A | $10–$15M | $40–55M pre | 18–22% | $5–12M |
| Series B | $30–$40M | $120–160M post | 20–25% | $15–25M |
Sources: Carta State of Private Markets Q4 2025, PitchBook Q1 2025, Crunchbase
Pre-Seed: Idea Stage in a Post-ZIRP World
Pre-seed is where most of the market noise is loudest and the data is least reliable. What I see in practice: the median pre-seed in 2025 is a $1M SAFE at a $5–6M post-money cap. Occasionally a strong repeat founder closes $2–3M on a $8–10M cap before writing a single line of code. That's the exception, not the rule.
What investors want to see
Team, thesis, why now — plus an initial signal of demand (waitlist, LOIs, pilot interest)
Instrument
SAFE (post-money cap) is the default in 2025. Convertible notes are less common. Priced pre-seeds are rare.
Who leads
Angel investors, pre-seed micro-funds ($25–75M fund size), and accelerators (YC, Techstars, On Deck alumni)
Timeline
2–6 weeks for warm intros; 8–12 weeks for a cold process if the team is strong
Seed Round in 2025: Higher Bar, More Competition for Dollars
The seed market has bifurcated. If you have early product-market fit signals — $50K–$200K ARR, strong week-1 retention, or a credible enterprise pilot — you can raise a $3–4M seed at a $15M post-money without much trouble. If you have a prototype and a vision, you are competing in a much harder pool.
Seed deals in 2025 average $3.2M per Carta data, down from $4.1M in 2022. Post-money valuations sit around $12–15M compared to $18–22M at the peak. The upside: if you raise now at a real valuation, your Series A math is more defensible.
Median Seed Round
$3.2M
Down from $4.1M in 2022
Median Post-Money
$13.5M
Down from $19M at 2021 peak
Seed → Series A Rate
~38%
Down from 50%+ in 2020–2021
What Series A Investors Actually Require in 2025
Series A is where the market compression has been most dramatic in terms of what you need to show, not just valuation. In 2021, $500K ARR growing 300% got you a Series A lead. In 2025, the floor is closer to $1–2M ARR with 150%+ growth, and the best deals are often $2–3M ARR with 120%+ growth and strong retention.
Track the full startup funding benchmarks by stage, sector, and vintage on our Benchmarking dashboard to see how your metrics compare to what's actually raising.
ARR floor
$1–2M, with median at $1.5M for funded deals in 2025
Growth rate
150%+ YoY preferred; under 100% YoY is a very hard conversation unless there's a compelling market size story
Net Revenue Retention
110%+ is the new floor for SaaS; 125%+ is what separates competitive processes from single-offer situations
CAC Payback
Under 18 months for SMB, under 24 months for enterprise — longer than that, growth efficiency will be the primary objection
Team
At least one person with a clear reason to win in this specific market — domain expertise, unfair distribution advantage, or prior repeat founder signal
Series B in 2025: Efficiency Is the New Growth
Series B is where the post-2021 repricing has been most painful for companies that raised inflated Series A valuations. If you raised a $100M post-money Series A in 2022 and have grown to $8M ARR at 70% YoY growth, you are looking at a flat or down round. That's not a failure — it's arithmetic.
The median Series B in 2025 is $35M on a $130–150M post-money. To get there cleanly, most companies need $5–10M ARR, growth of 80–120% YoY, and a clear path to rule-of-40 economics within two years. Private SaaS multiples are tracking at 4–8x ARR versus 15–20x in 2021 — which is exactly what you should expect at this stage today.
What Gets a Clean Series B
- ✓ $5M+ ARR growing 100%+ YoY
- ✓ NRR above 115%
- ✓ CAC payback under 18 months
- ✓ Clear path to Rule of 40
- ✓ Named enterprise logos and referenceable customers
What Forces a Bridge or Down Round
- ✕ ARR below $3M with a 2022 Series A valuation
- ✕ Growth below 80% YoY
- ✕ Churn above 15% annually
- ✕ Burn multiple above 2.0x
- ✕ No obvious lead with a clear conviction thesis
The Time Between Rounds Has Stretched
In 2021, the median time from seed to Series A was 12–14 months. Today it's 18–24 months. From Series A to Series B, it was 15–18 months in the frothy era — now it's 22–28 months. This isn't a problem if you plan for it. It's a fatal problem if you assume the 2021 timeline.
The practical implication: raise enough runway to reach the next stage's bar, not just to survive the next 12 months. The right amount of capital for a seed round in 2025 is typically 18–24 months of runway — not 12. See how top-performing VC funds and their portfolio companies are navigating this on the VC Performance dashboard.
The 2021 fundraising market rewarded speed. The 2025 market rewards discipline.
Know what stage you're actually at, raise the right amount for 20+ months of runway, and don't optimize for valuation at the expense of the investors you're taking on the cap table.
Compare your startup's metrics to stage benchmarks on the Benchmarking Dashboard at Value Add VC. Originally published in the Trace Cohen newsletter.