signal/raiseTrack rounds
D

Diffusion

Focus: Fintech, AI, Legal & compliance

Diffusion took part in 4 of the startup funding rounds we tracked in 2026, leading or co-leading 2 worth $635m. By money raised, its biggest sectors were AI and Legal & compliance. The largest was Cognition's $2bn Series D+ round. The most recent was Hone's Seed round in October 2026.

Deployed as lead$635m
Rounds led2
Rounds joined4
Largest round$2bn

Rounds led (2)

HarveySeries D+ · Legal & compliance · San Francisco · 9 Sep$550mDecadeSeed · Fintech · Brazil · 4 Aug$85m

Also invested (2)

HoneSeed · AI · San Francisco · 8 Oct$60mCognitionSeries D+ · AI · San Francisco · 8 Sep$2bn

By sector

AI$2.06bnLegal & compliance$550mFintech$85m

By stage

Seed$145mSeries D+$2.55bn

Co-investors

Benchmark3 roundsElad Gil2 roundsHanabi2 roundsDefinition2 roundsLightspeed Venture Partners2 roundsKleiner Perkins2 roundsAndreessen Horowitz2 roundsIndex Ventures1 roundSapphire Ventures1 roundSequoia Capital1 round