Bullpen Capital is an early-stage venture capital fund that invests post-seed capital into companies that have achieved product-market fit but are overlooked by other investors. Founded in 2010 and based in San Francisco, the firm has funded 100+ companies across consumer, gaming, enterprise software, healthcare, and other sectors.
Deal activity decreased year-over-year (1 deals in the last 12 months vs 3 prior). Average disclosed round size is $20.6M (across 71 rounds with reported amounts).
Portfolio
62
Fund Size
$145M
Top Stage
Series A
Last 12 Mo
4
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
72 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| EEdge Markets | Series A | $29.2M | Jun 2026 |
 Edge Markets | Series A | $29.2M | Jun 2026 |
 BetHog | Series A | $10M | Jan 2026 |
 Seneca | Series B | $60M | Oct 2025 |
 Jolly | Series A | $16.5M | Mar 2025 |
 AllCity | Series B | — | Aug 2024 |
 Crux OCM | Series A | $17M | Aug 2024 |
 Hemster | Seed | $3.5M | Jan 2024 |
 HYPE | Series A | $10M | Apr 2023 |
 Fanimal | Seed | $4M | May 2022 |
 Fama | Series B | $10M | Feb 2022 |
 Atrium | Series A | $20M | Jan 2022 |
 Atriumhq | Unknown | $20M | Jan 2022 |
| RRei do Pitaco (RDP) | Series A | $32M | Jan 2022 |
 AvantStay | Series B | $160M | Dec 2021 |
 Ocrolus | Series C | $80M | Sep 2021 |
 Hologram | Series B | $65M | Aug 2021 |
 Ripplematch | Series B | $23.5M | Apr 2021 |
| Atrium | Seed | $13.5M | Apr 2021 |
| Atriumhq | Seed | $13.5M | Apr 2021 |
| WWindfall Data | Series A | $21M | Mar 2021 |
 Nanome | Seed | $3M | Feb 2021 |
 SkyWatch | Series B | $17.2M | Jan 2021 |
 Grin | Series A | $10M | Dec 2020 |
| SSempiternal Aesthetics Limited | Unknown | $5.5M | Sep 2020 |
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Top Co-Investors
Bullnet Capital8 shared
Bonfire Ventures6 shared
First Round Capital6 shared
500 Global6 shared
NextView Ventures5 shared
Techstars5 shared
Y Combinator4 shared
Gaingels4 shared
StepStone Group4 shared
General Catalyst3 shared
Pritzker Group Venture Capital3 shared
Lerer Hippeau3 shared
ValueStream Ventures3 shared
Slow Ventures3 shared
Blumberg Capital3 shared
Industry Ventures3 shared
ScOp Venture Capital3 shared
OCA Ventures3 shared
Golden Ventures3 shared
Chicago Ventures3 shared
Last updated: 7 September 2026