Startup fundraising for defense founders: the playbook
Fundraising for a dual-use defense startup follows the same rules as any startup — with a few defense-specific twists. Here's the compressed playbook, plus the investor list from CaptureAgent's Private Capital tab.
Fundraising is a distraction from building product. Steve Blank's canonical Raising Money reading list (steveblank.com/raising-money) makes the case bluntly — the more of your calendar you spend on it, the less of it you spend on the customers who will actually make you fundable. The point is to raise the least amount of money that gets you to the next milestone that de-risks the business, at the valuation the market will bear, from the investors who will help you win.
The defense-startup twist is that your "market" has two heads. Investors want to see commercial pull — recurring revenue, dual-use customers, a story that works without a DoW contract. But the DoW itself is one of the two or three biggest customers in the world, and a warm program of record (SBIR Phase II bridged into a Phase III / OTA production award) is the strongest de-risk you can bring to a Series A. So your job is: prove commercial pull, then use SBIR / OTA / DIU prototype awards to layer in defense revenue without diluting the commercial thesis.
Match the stage to the check. A pre-seed round funds the customer-discovery motion — most of the work here is unpaid, and the round exists to keep the lights on while you find the PEO that has the problem. A seed round funds a Phase I → Phase II transition or the first commercial pilots. A Series A funds the transition path into a program of record + repeatable commercial revenue. If a defense-only pitch is your only pitch, the venture funds that write the big checks won't lead — you'll end up with strategics (Lockheed Ventures, Boeing HorizonX) or the small defense-only funds (Shield Capital, Silent Ventures, Squadra).
The mechanics don't change: minimize the amount raised, price the round only when you have leverage, use a SAFE or convertible for the pre-seed, control the runway math. Pick investors on whether they'll pick up when a program office calls asking a reference question, not on the fund size. Below is the working list of defense-active investors from CaptureAgent's Private Capital tab — this is who's actually writing checks at each stage.
| Investor | Stage | Portfolio you'll recognize |
|---|---|---|
| Andreessen Horowitz (American Dynamism) | Seed → Growth | Anduril, Shield AI, Saildrone, Hadrian |
| Founders Fund | Seed → Growth | Anduril, Palantir, Varda, ABL Space |
| Lux Capital | Seed → Series C | Anduril, Hadrian, Applied Intuition, Vannevar Labs |
| 8VC | Seed → Series C | Anduril, Epirus, Vannevar Labs, Palantir alumni |
| General Catalyst | Series A → Growth | Anduril, Helsing, Rebellion Defense |
| Point72 Ventures | Seed → Series B | Rebellion, ThirdWave Automation, Astranis |
| Shield Capital | Seed → Series B | Cape, Vannevar Labs, ChaosSearch |
| Razor's Edge Ventures | Seed → Series B | HawkEye 360, Reveal Technology, Second Front |
| Booz Allen Ventures | Seed → Series B | Latent AI, Reveal, Synthetaic |
| Lockheed Martin Ventures | Seed → Series B | Terran Orbital, Fortem, Astroscale |
| Boeing HorizonX / AE Ventures | Series A → Growth | Reaction Engines, Isotropic Systems |
| In-Q-Tel (strategic, IC) | Seed → Series C | Palantir historical, Databricks, HawkEye 360 |
| America's Frontier Fund | Series A → Growth | US critical-tech deep-tech focus |
| Alsop Louie Partners | Seed → Series A | Vannevar Labs, Chef Robotics |
| Riot Ventures | Seed → Series A | Hadrian, Skydio, Anduril early |
| Decisive Point | Seed → Series A | National-security AI/software focus |
| Silent Ventures | Seed → Series A | Defense/national-security-only fund |
| Squadra Ventures | Seed → Series A | National-security software (Baltimore) |
Two more Steve Blank rules worth stealing. First: the fundraising process starts long before you send the deck — every coffee, every panel, every customer intro is you telegraphing signal to the ecosystem. Second: the term sheet you sign is the co-pilot you're going to fly with for a decade. Optimize for the partner, not the valuation.
Inside CaptureAgent, the Investment Deals tab drafts investor emails, decks, business plans, and financials against your live opportunity pipeline; the Private Capital tab is a running roster of these investors with fit-scored intros. Bring your own AI keys, keep your data yours, ship the raise.