Spacecadet Ventures is a pre-seed and seed venture capital firm based in New York that invests in moonshots across AI, biotech, aerospace, robotics, and energy. The firm uniquely combines capital with marketing expertise, offering 'story sprints' to help portfolio companies boost growth, hiring, and fundraising.
30% of their portfolio is in AI. Their most common stage is seed (57% of deals). Average disclosed round size is $4.7M (across 22 rounds with reported amounts).
Portfolio
21
Fund Size
$15M
Top Stage
Seed
Last 12 Mo
1
Team
AO
Alexis Ohanian
#003 / Investor
CD
Chris Dixon
#002 / Investor
MA
Marc Andreessen
#001 / Investor
SB
Stewart Butterfield
#004 / Investor
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
23 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Arinna | Seed | $4M | Mar 2026 |
 Athenic AI | Seed | $4.3M | Jan 2025 |
 Cassidy AI | Series A | $3.7M | Jan 2025 |
| Cassidy AI | Seed | $3.7M | Aug 2024 |
 Ancilia | Unknown | $4.2M | Jul 2024 |
 Sock | Seed | $2.8M | Nov 2023 |
 Quilt | Seed | $9M | May 2023 |
 Heyday | Seed | $6.5M | Jun 2022 |
 Replikant | Seed | $1.2M | Mar 2022 |
 Train Fitness | Pre-Seed | $600K | Mar 2022 |
 Moth+flame | Seed | $2.5M | Jun 2021 |
 Toucan | Seed | $4.5M | Apr 2021 |
| Train Fitness | Unknown | $2.5M | Jan 2021 |
 Train Fitness | Unknown | $2.5M | Jan 2021 |
 Anvil | Seed | $5M | Jun 2020 |
 ALT TEX | Pre-Seed | $1.5M | — |
 TRIC Robotics | Seed | $5.5M | — |
 Modulo Bio | Unknown | $8M | — |
 Mash | Pre-Seed | — | — |
 DNABLOCK | Seed | $7M | — |
 Cascade Biocatalysts | Pre-Seed | $2.6M | — |
 Cytronic | Seed | $13.5M | — |
 Modulo | Unknown | $8M | — |
Top Co-Investors
Alumni Ventures6 shared
Boost VC4 shared
Garage Capital3 shared
Anorak Ventures3 shared
Gradient Ventures2 shared
Builders VC2 shared
Refactor Capital2 shared
Cantos2 shared
Hawktail2 shared
Initialized Capital2 shared
Sfermion2 shared
Animoca Brands2 shared
Gaingels2 shared
SoftBank Group Corp.2 shared
Solana Ventures2 shared
Republic2 shared
BAM Ventures2 shared
Script Capital2 shared
Neo2 shared
The General Partnership2 shared
Last updated: 7 October 2026