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Blumberg Capital is an early and growth stage venture capital firm founded in 1991 that partners with visionary entrepreneurs to build successful technology companies. The firm invests across AI, fintech, healthtech, cybersecurity, enterprise software, and other transformative technologies, leading Seed and Series A rounds and supporting companies through exit.
Average disclosed round size is $28.6M (across 167 rounds with reported amounts).
Portfolio
112
Fund Size
$225M
Top Stage
Series A
Last 12 Mo
4
Team
Jeff Cole
VP of Finance
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
183 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 FirmPilot | Series A | $22M | Feb 2026 |
 AiStrike | Seed | $7M | Jan 2026 |
 Angle Health | Series B | $134M | Dec 2025 |
| AAnglehealth | Seed | $4M | Dec 2025 |
 Streamline AI | Series A | $8.6M | Jul 2025 |
 Hydrolix | Series C | $80M | Apr 2025 |
| AAryon Security | Seed | $9M | Mar 2025 |
 VerAI Discoveries | Series B | $24M | Feb 2025 |
 Verai | Series B | $24M | Feb 2025 |
 Streamline | Unknown | $8.6M | Jan 2025 |
 Field Materials | Series A | $10.5M | Jan 2025 |
| Streamline AI | Series A | $8.6M | Jan 2025 |
 Ferrum Health | Series A | $16M | Sep 2024 |
 Segmed | Series A | $10.4M | Sep 2024 |
| SSegmed Ai | Series A | $10.4M | Sep 2024 |
 Atmosec | Series B | $100M | Aug 2024 |
 Prescient | Series A | $10M | Mar 2024 |
 FlowFi | Seed | $9M | Feb 2024 |
| FirmPilot | Series A | $7M | Jan 2024 |
 Kloudfuse | Series A | $17M | Nov 2023 |
| SSqream Technologies | Series C | $45M | Sep 2023 |
 Nexla | Series B | $18M | Jul 2023 |
 Field Materials | Series A | $10.5M | Apr 2023 |
| Field Materials | Seed | $4.7M | Apr 2023 |
| Field Materials | Seed | $4.7M | Apr 2023 |
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Top Co-Investors
Y Combinator13 shared
Intel Capital13 shared
Correlation Ventures10 shared
Bessemer Venture Partners9 shared
YL Ventures8 shared
Hanaco Ventures7 shared
U.S. Venture Partners6 shared
PruVen Capital6 shared
Portage Ventures6 shared
Mighty Capital6 shared
SixThirty Ventures6 shared
Valor Equity Partners6 shared
Bullpen Capital6 shared
Innovation Endeavors6 shared
NightDragon6 shared
Lightspeed Venture Partners6 shared
M125 shared
Icon Ventures5 shared
LionBird5 shared
Wing Venture Capital5 shared
Last updated: 20 October 2026