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Boost VC is a San Mateo-based early-stage venture capital firm founded in 2012 by Adam Draper and Brayton Williams. The firm leads pre-seed rounds for deep tech and 'sci-fi' frontier startups, investing $500k in areas such as crypto, space, bioengineering, AI, robotics, and VR.
Their most common stage is seed (48% of deals). Average disclosed round size is $20.2M (across 117 rounds with reported amounts).
Portfolio
109
Fund Size
$87M
Top Stage
Seed
Last 12 Mo
6
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
134 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Castle | Pre-Seed | $270K | Sep 2026 |
 Armatrix | Unknown | $2.1M | Jan 2026 |
 Nyad | Pre-Seed | $1.3M | Jan 2026 |
 CodeIntegrity | Seed | $5M | Jan 2026 |
| AArmatrix Automations Private Limited | Seed | $2.1M | Jan 2026 |
 Radiant Nuclear | Growth | $300M | Dec 2025 |
| RRadiant Industries | Series D | — | Dec 2025 |
| Radiant Nuclear | Series C | $300M | Dec 2025 |
 Rotostitch | Pre-Seed | $1M | Dec 2025 |
 Bondu | Seed | $5.3M | Oct 2025 |
 Pitz | Pre-Seed | $2.1M | Oct 2025 |
 m00m world | Pre-Seed | $500K | Jul 2025 |
 Paradigm Robotics | Pre-Seed | $4.0M | Jul 2025 |
 Castle | Pre-Seed | $1M | Jun 2025 |
| RRadiant Industries | Series C | — | May 2025 |
 Potato | Seed | $4.5M | Apr 2025 |
 Potato | Seed | $4.5M | Apr 2025 |
 Athenic AI | Seed | $4.3M | Jan 2025 |
| TTorram Labs | Pre-Seed | — | Jan 2025 |
 Radiant | Unknown | $300M | Jan 2025 |
 0xbow | Seed | $3.5M | Jan 2025 |
| SSkinBit | Pre-Seed | $6M | Jan 2025 |
 Pitz | Pre-Seed | $2.1M | Jan 2025 |
 Rosy Soil | Seed | $3.6M | Dec 2024 |
 Sinn Studio | Seed | $2.5M | May 2024 |
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Top Co-Investors
Draper Associates19 shared
Y Combinator11 shared
Winklevoss Capital Management9 shared
Founders Fund7 shared
Alumni Ventures7 shared
Gaingels5 shared
Digital Currency Group5 shared
Spacecadet Ventures5 shared
Mayfield Fund4 shared
Chevron Technology Ventures4 shared
General Catalyst4 shared
Republic4 shared
The Venture Reality Fund4 shared
Floodgate Fund4 shared
Multicoin Capital4 shared
Hack VC4 shared
Hashed4 shared
Canaan Partners4 shared
Blockchange Ventures4 shared
ConsenSys4 shared
Last updated: 7 October 2026