Series B funding is a growth-stage equity round raised to scale a business that has already proven its model. The round expands the team, market reach, sales capacity, and revenue engine, with investors focused on growth efficiency and a clear path to market leadership rather than on finding product-market fit (which should already be established). It's where the focus shifts from "find what works" to "scale what works."
The 2025 benchmarks (Carta and PitchBook):
| Metric | 2025 typical range | Notes |
|---|---|---|
| Round size | $30M-$40M | $40M-$80M for hot sectors or larger ARR companies |
| Post-money valuation | $120M-$160M (median ~$135M) | Down from $200M+ peaks in 2021 |
| Pre-money valuation | $90M-$130M | After pool refresh |
| Founder dilution | 15... |