SOSV is a global venture capital firm that invests in early-stage deep tech startups, focusing on revolutionary technologies that benefit humanity and the planet, including climate and health. Their strategy involves providing pre-seed, seed, and later-stage funding through intensive startup development programs like HAX and IndieBio, which offer resources to accelerate product development, customer acquisition, and scaling.
Their most common stage is seed (44% of deals). Average disclosed round size is $13.3M (across 101 rounds with reported amounts).
Portfolio
106
Fund Size
$1.5B
Top Stage
Seed
Last 12 Mo
12
Team
PB
Po Bronson
General Partner
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
106 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| HHexemBio | Seed | $10.4M | Apr 2026 |
 Sequential | Seed | $3.5M | Mar 2026 |
| VVALANX Biotech | Unknown | $3M | Mar 2026 |
 Sable | Pre-Seed | — | Jan 2026 |
 Transition Metal Solutions | Seed | $6M | Jan 2026 |
 The Every Company | Series D | $55M | Nov 2025 |
 Cephia | Seed | $4M | Oct 2025 |
| CCephia AI Inc. | Seed | $4M | Oct 2025 |
 Scindo | Seed | $4.5M | Sep 2025 |
 FloVision Solutions | Series A | $8.7M | Jul 2025 |
 Algoma | Seed | $2.3M | May 2025 |
 Hoofprint Biome | Series A | $15M | Apr 2025 |
 Puna Bio | Series A | — | Apr 2025 |
| MMitico | Seed | $4.3M | Feb 2025 |
 Hyperlume | Seed | $12.5M | Feb 2025 |
 Level Zero Health | Pre-Seed | $6.9M | Feb 2025 |
| OOxyle | Seed | $15.3M | Jan 2025 |
 Flair | Unknown | — | Dec 2024 |
 OneSkin | Series A | $20M | Nov 2024 |
 Ayrton Energy | Seed | $6.8M | Sep 2024 |
| MMesa Quantum | Seed | $3.8M | Sep 2024 |
 MixRift | Pre-Seed | $1.4M | Aug 2024 |
 unspun | Series B | $32M | Jul 2024 |
 Sava | Seed | $7.4M | Jun 2024 |
 Prolific Machines | Series B | $55M | Jun 2024 |
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Top Co-Investors
Entrepreneur First4 shared
Draper Associates4 shared
Lowercarbon Capital3 shared
Humboldt Fund3 shared
MetaVC Partners3 shared
Artesian3 shared
Alumni Ventures Group3 shared
500 Startups3 shared
Khosla Ventures3 shared
DFJ Growth2 shared
M Ventures2 shared
CPT Capital2 shared
WTT Investment Ltd.2 shared
Blue Horizon2 shared
Incharge Capital2 shared
Spartan Group2 shared
Foundry Group2 shared
Happiness Capital2 shared
Hanwha Solutions2 shared
Breakthrough Energy Ventures2 shared
Last updated: 24 April 2026