Marlinspike is a venture capital firm that focuses on investing in "dual-use" technologies, primarily in the Aerospace (including Space), AI, Autonomy, and Cyber sectors, which have applications for both national security and commercial markets. Their strategy involves making concentrated, early-stage investments (seed to Series B) in companies with disruptive, scalable technologies that address critical problems.
45% of their portfolio is in Logistics & Supply Chain. Deal activity increased 200% year-over-year (3 deals in the last 12 months). Their most common stage is series-a (55% of deals). Average disclosed round size is $199.3M (across 10 rounds with reported amounts).
Portfolio
11
Fund Size
—
Top Stage
Series A
Last 12 Mo
3
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
Portfolio
| Company | Round | Amount | Date |
|---|---|---|---|
 Chariot Defense | Series A | $34M | Feb 2026 |
| AArmada | Series D | $131M | Jul 2025 |
 BrightAI | Series A | $51M | Jul 2025 |
 Elroy Air | Unknown | — | Oct 2024 |
 Cambium | Series A | $19M | Dec 2023 |
 Skydweller Aero Inc. | Series A | $40M | Sep 2021 |
| Elroy Air | Series A | $40M | Aug 2021 |
 Red 6 | Seed | $7M | Mar 2021 |
| AArmada | Series A | $40M | — |
 Anduril | Series E | $1.5B | — |
| AArmada | Growth | $131M | — |
Top Co-Investors
Last updated: 16 April 2026