Anduril's $2.8B war chest and Saronic's $2.58B Series D in March 2026 sit at the top of a category that the Pentagon has finally decided to pay for at scale. Shield AI extended its Series F to $540M in August 2025 around the V-BAT and Hivemind autonomy stack, while Helsing emerged as Europe's parallel champion across drones, fighter-pilot AI, and U-boat sonar. Skydio anchors the dual-use ISR drone slice and Mach Industries pushes additively-manufactured loitering munitions. Hadrian and Path Robotics rewire the defense industrial base on the manufacturing side, where Replicator-program timelines and CHIPS-Act-style reshoring incentives now drive procurement.
CATEGORY
Best Defense AI AI Tools
28 tools compared · 2026
Autonomous drones, maritime vessels, and battlefield AI built for Pentagon and allied procurement
28 defense ai startups tracked, with the largest concentration in US. Total tracked funding: $16.7B.
Tracked
28
Total Raised
$16.7B
Countries
5
Active Deals
0
1 
Anduril Drones Costa Mesa, US $7.5B 2 
Shield AI San Diego, US $2.0B 3 
Astranis San Francisco, US $1.2B 4 
Saronic Technologies Austin, US $2.6B 5 
Epirus Torrance, US $550M 6 
Vannevar Labs — $90M 7 
Castelion El Segundo, US $469M 8 
Auterion Arlington, US $180M 9 
Skydweller Aero Oklahoma City, US $45M 10 
HavocAI Providence, US $96M 11 
Overland AI Seattle, US $142M 12 
Second Front Systems Washington, US $152.1M
Funding by year — Defense AI
2018 → 2026Market overview
Key trends 2026
- Maritime autonomy is the breakout slice. Saronic's $2.58B Series D outpaces aerial-drone funding rounds for the first time.
- Replicator demands scale, not prototypes. DoD contracts now reward Anduril and Shield AI on units shipped, not demos completed.
- European primes catch up. Helsing's expansion shows allied capital wants its own sovereign-defense AI rather than US-only stacks.
Benchmarks vs global
Largest funded
$2.8B (Anduril)
vs Saronic $2.58B Series D ↑
Time from contract to fielded drone
6-18 months
vs 5-10 years legacy primes ↓
Replicator units targeted
thousands by FY26
vs hundreds pre-program ↑
Top countries
By startup countStage breakdown
Latest round typeTop investors backing Defense AI
See all →Andreessen Horowitz
6 deals
General Catalyst
5 deals
Point72 Ventures
4 deals
8VC
4 deals
CV
Costanoa Ventures
3 deals
OV
Overmatch Ventures
2 deals
AV
Ascend Venture Capital
2 deals
SV
Shasta Ventures
2 deals
RV
Riot Ventures
2 deals
OV
Outlander VC
2 deals
SV
Scout Ventures
2 deals
MV
Mosaic Ventures
2 deals
FAQ
Frequently asked
How is ai-defense different from ai-cybersecurity-defense?
AI-defense covers military and national-security applications — autonomous drones, maritime vessels, command-and-control software (Anduril, Shield AI, Helsing, Saronic). AI-cybersecurity-defense covers SOC tools, behavioral email security, and ML-supply-chain protection (Abnormal, Wiz, Lakera).
Which defense AI startup has raised the most?
Anduril leads at $2.8B total funding. Saronic Technologies follows at $2.58B after a Series D closed in March 2026. Shield AI raised an extended Series F to $540M in August 2025. Helsing's totals are private but in the multi-billion range after its 2024 round.
What is the Pentagon's Replicator initiative and why does it matter here?
Replicator is the DoD program targeting thousands of attritable autonomous systems within ~2 years. It moved defense procurement away from one-off exquisite platforms toward volume-priced autonomous drones — directly funding Anduril, Shield AI, and similar startups.
Recent rounds in Defense AI
All rounds →| Date | Startup | Round | Amount |
|---|---|---|---|
| May 2026 | Anduril Drones | Series H | $5B |
| May 2026 | Astranis | Series E | $300M |
| Apr 2026 | Skydio | Series F | $110M |
| Mar 2026 | Saronic Technologies | Series D | $1.8B |
| Mar 2026 | Shield AI | Series G | $1.5B |
| Feb 2026 | Skyryse | Series C | $300M |
| Feb 2026 | Overland AI | Series B | $100M |
| Dec 2025 | Digantara | Series B | $50M |
All Defense AI startups
Page 1Anduril Drones
Autonomous defense drones and counter-UAS systems.
Raised
$7.5B
Stage
S-H
Shield AI
VerifiedAutonomous AI software for defence
Raised
$2.0B
Stage
S-G
Astranis
The world's only dedicated satellite networks providing flexible, resilient, high-speed communications for global customers.
Raised
$1.2B
Stage
S-E
Saronic Technologies
Redefining maritime superiority with the most advanced and capable autonomous vessels in the maritime domain.
Raised
$2.6B
Stage
S-D
Epirus
High-power microwave systems that disable drone swarms in flight
Raised
$550M
Stage
S-D
Vannevar Labs
AI-powered intelligence and electronic warfare software for national security
Raised
$90M
Stage
S-B
Auterion
Software-defined autonomy and AI for drone swarms across air, land and sea
Raised
$180M
Stage
S-B
Castelion
Mass-producing affordable hypersonic weapons for defense
Raised
$469M
Stage
S-B
Skydweller Aero
Solar-powered autonomous aircraft for perpetual flight
Raised
$45M
Stage
STRATEGIC
HavocAI
Collaborative maritime autonomy for fleets of uncrewed surface vessels
Raised
$96M
Stage
S-B
Overland AI
Off-road ground autonomy for military vehicles in GPS-denied terrain
Raised
$142M
Stage
S-B
Second Front Systems
Game Warden delivers software to classified government environments fast
Raised
$152.1M
Stage
S-C
CX2
AI-enabled electronic warfare across the electromagnetic spectrum
Raised
$46M
Stage
S-A
Blue Water Autonomy
Building the world's most capable fully autonomous warships
Raised
$64M
Stage
S-A
Digantara
Space-based surveillance and missile tracking from infrared sensors
Raised
$64.5M
Stage
S-B
Allen Control Systems
Bullfrog turns standard weapons into AI counter-drone gun systems
Raised
$30M
Stage
S-A
Distributed Spectrum
Real-time radio-frequency sensing and signals intelligence
Raised
$30M
Stage
S-A
Bone AI
Mission-ready physical AI for defense and government
Raised
$12M
Stage
Seed
Atmo
Ultra-precise AI weather forecasting and modification with Deep Learning.
Kodiak AI
Safely driving an autonomous future with AI-powered ground autonomy solutions for reliable and efficient driverless movement.
Machina Labs
Intelligent, agile, software-defined manufacturing that turns design intent into precise metal structures in days.
Mach Industries
Building next-generation defense platforms to maintain an allied American edge and deter kinetic conflict.
Skyryse
AI-powered fly-by-wire system for any aircraft
Raised
$600M
Stage
S-C
Helsing
Helsing is a new type of defence company providing AI-enabled precision mass and autonomous systems across all domains.