Lavrock

VC firm · Arlington, VA

Verified active in the last 12 monthsSEC-registered adviser

Venture firm based in Arlington, VA. Most recent fund on file: Lavrock Venture Fund III, LP ($125M offering), filed Jan 2025. 2 deal vehicles (SPVs) filed with the SEC since Aug 2025. Partners sit on the boards of 7 startups that raised recently.

“Lavrock Ventures invests in frontier technologies for national security, focusing on real demand-driven startups in space, quantum, deep tech and more.” (from the firm’s website)

Stages: Seed
Typical check (est.): $1.25M–$3.75M
Latest fund: $26.8M · Aug 2025
Last verified activity: Aug 2026

Focus

Defense & AerospaceCybersecurityDeep Tech

Recent portfolio activity

49 Mile Ventures
Board seat · CA
Aug 2026
Cartiga
Board seat · NY
Jun 2026
Castelion
SPV
Aug 2025
Veritonic
Board seat · CT
Jul 2025
Proteus Space
Board seat · CA
Jan 2025
Anametric
Board seat · TX
Sep 2024
BoxedUp
Board seat · WA
Dec 2023
Cpacket Networks
Board seat · CA
Oct 2023

Funds and vehicles on SEC file

Lavrock - Castelion C, LLC
Deal vehicle · $72M offering
Aug 2026
Lavrock - Castelion, LLC
Deal vehicle · $13.2M offering
Aug 2025
Lavrock-Castelion-P, LLC
Fund · $26.8M offering
Aug 2025
Lavrock Venture Fund III, LP
Fund · $125M offering
Jan 2025

Sources

SEC Form D: Lavrock - Castelion C, LLCAug 25, 2026
SEC Form D: Lavrock - Castelion, LLCAug 18, 2025
SEC Form D: Lavrock Venture Fund III, LPJan 30, 2025
SEC adviser record: Lavrock Ventures, LLCMar 12, 2026
Firm websiteOct 12, 2026
SEC Form D: Lavrock-Castelion-P, LLCAug 18, 2025

Profile last verified Oct 12, 2026. Is this you? Correct or remove this profile.