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Bullpen Capital specializes in "post-seed" investments, focusing on companies that have achieved product-market fit but require additional capital, coaching, and time to secure a larger Series A round. Their strategy involves backing overlooked startups in sectors like Consumer and Enterprise to help them achieve significant milestones and minimize founder dilution.
Deal activity decreased year-over-year (1 deals in the last 12 months vs 2 prior). Average disclosed round size is $27.3M (across 36 rounds with reported amounts).
Portfolio
37
Fund Size
$300M
Top Stage
Series A
Last 12 Mo
1
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
37 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Seneca | Series B | $60M | Oct 2025 |
 Jolly | Series A | $16.5M | Mar 2025 |
 ALLCITY Network | Series B | — | Aug 2024 |
 Hype | Series A | $10M | Apr 2023 |
 Fanimal | Seed | $4M | May 2022 |
 Atrium | Series A | $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 |
 Windfall Data | Series A | $21M | Mar 2021 |
| NNanome | Seed | $3M | Feb 2021 |
 GRIN | Series A | $10M | Dec 2020 |
 Octane AI | Seed | $4.3M | Aug 2020 |
 Fitplan | Seed | $4.5M | Sep 2019 |
| RippleMatch | Series A | $6M | Sep 2019 |
| Windfall Data | Series A | $9M | Aug 2019 |
| WWheels | Series B | $37M | Jan 2019 |
| SSaucey | Series A | $5.4M | Jul 2017 |
 Carbon Health | Seed | $6.5M | Mar 2017 |
 Suiteness | Series A | $5M | Dec 2016 |
 Classy | Series C | $30M | Nov 2016 |
 AirMap | Series A | $15M | Apr 2016 |
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Top Co-Investors
Bonfire4 shared
Blumberg Capital3 shared
500 Startups3 shared
Gaingels3 shared
Metamorphic Ventures2 shared
Accelerator Ventures2 shared
General Catalyst2 shared
TenOneTen2 shared
NextView Ventures2 shared
CRV (Charles River Ventures)2 shared
Work-Bench2 shared
G20 Ventures2 shared
Accomplice2 shared
AlleyCorp2 shared
3L Capital2 shared
First Round Capital2 shared
ValueStream Ventures2 shared
Foresight Ventures1 shared
Floodgate1 shared
Tomorrow Ventures1 shared
Last updated: 21 April 2026