signal/raiseTrack rounds

6

645 Ventures

Focus: Defence & space, AI

645 Ventures took part in 2 of the startup funding rounds we tracked in 2026. By money raised, its biggest sectors were Defence & space and AI. The largest was True Anomaly's $650m Series D+ round. The most recent was Gimlet Labs's Series B round in September 2026.

Deployed as lead$0k

Rounds led0

Rounds joined2

Largest round$650m

Also invested (2)

Gimlet LabsSeries B · AI · San Francisco · 4 Sep$300m True AnomalySeries D+ · Defence & space · Centennial · 28 Apr$650m

By sector

Defence & space$650m AI$300m

By stage

Series B$300m Series D+$650m

Co-investors

Menlo Ventures2 rounds Eclipse2 rounds Andreessen Horowitz1 round Sapphire Ventures1 round Factory1 round Hudson River Trading1 round M121 round Prosperity71 round QuantumLight1 round Samsung Ventures1 round