D3 — Pre-Seed & Seed VC Firm ($500K–$1.5M Checks)
D3 is a Pre-Seed, Seed venture capital firm investing in AI / ML, Security. The firm typically writes $500K–$1.5M checks and has 23 portfolio companies in our records.
- Check size
- $500K–$1.5M
- Portfolio
- 23 companies on record
- Partners
- 5 listed
- Stage
- Pre-Seed, Seed
- Sectors
- AI / ML, Security
- AUM
- Not in our records
Last verified: 2026-10-26
Pre-Seed, Seed
$500K – $1.5M
23+ companies
5 partners
Investment Thesis
Early-stage fund for founders building defense and national-security technology, with emphasis on drones, EW/RF, autonomy, sensors, AI, mission systems, and demining.
How D3 invests
D3 is a vc firm. The firm invests at the Pre-Seed, Seed stages, with a focus on AI / ML, Security.
D3 typically writes checks of $500K–$1.5M per investment.
D3 has backed 23 companies in our records, including FlightMind.AI, UFORCE, Albacore.
Partners & Team
Industry Focus
Invests In
Portfolio Companies (23)
Other
FlightMind.AI
GNSS-denied map-based global navigation system.
UFORCE
Naval, ground and aerial drones.
Albacore
Autonomous underwater vehicles.
Cambridge Aerospace
Drones and missiles defense.
Chariot Defense
Powering the modern battlefield.
Kela Technologies
Secure, open platform enabling rapid and seamless integration of commercial and military systems in service of Western defense.
Stridar
Scalable robotic solutions that prioritize safety, efficiency, and affordability.
Airlogix
Developer of innovative unmanned aerial systems.
Guardian RF
Smart signal processing.
Neros Technologies
Multi-domain suite of smart mass manufacturable defense systems.
- •Raising at Pre-Seed, Seed? You're squarely in their sweet spot.
- •Lead with your fit in AI / ML, Security — the sectors they actively back.
- •Size your ask to their typical $500K – $1.5M check.
- •warm intro preferred
- •Address your outreach to a specific partner, such as Eveline Buchatskiy, Managing Partner.
- •A warm introduction beats a cold email. Get matched and request an intro.
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