signal/raiseTrack rounds
G

Greylock

Focus: Cybersecurity, Developer tools, AI

Greylock took part in 4 of the startup funding rounds we tracked in 2026. By money raised, its biggest sectors were AI and Developer tools. The largest was Cognition's $2bn Series D+ round. The most recent was Snorkel AI's Series D+ round in September 2026.

Deployed as lead$0k
Rounds led0
Rounds joined4
Largest round$2bn

Also invested (4)

Snorkel AISeries D+ · AI · San Francisco · 22 Sep$350mCognitionSeries D+ · AI · San Francisco · 8 Sep$2bnBasetenSeries D+ · Developer tools · San Francisco · 22 Jun$1.5bnUpwindSeries B · Cybersecurity · San Francisco · 26 Jan$250m

By sector

AI$2.35bnDeveloper tools$1.5bnCybersecurity$250m

By stage

Series B$250mSeries D+$3.85bn

Co-investors

Lightspeed Venture Partners2 roundsInsight Partners1 roundS321 roundFrontline1 roundGV1 roundFactory1 roundProsperity71 roundAndreessen Horowitz1 roundAccel1 roundFounders Fund1 round