At a glance
Greylock Partners appears in 3 funding rounds tracked by ValueAddVC since 2025. Its most frequent sector in these rounds is AI & Infrastructure, and its most recent tracked deal was Snorkel AI's $350M Series E round (Sep 22, 2026). It co-invests most often with Google Ventures (GV) and Lightspeed Venture Partners.
Strategy
Recent changes
- Sep 22, 2026Sep 22, 2026Invested in Snorkel AI (Series E, $350M) PR Newswire
- Sep 9, 2026Sep 9, 2026Invested in Lightfield (Series A, $47M) PR Newswire
- Sep 5, 2026Sep 5, 2026Sectors updated: AI/ML, Consumer, Enterprise, Infrastructure, Finance greylock.com
- Sep 5, 2026Sep 5, 2026Stages updated: Seed, Series A, Series B greylock.com
- Sep 26, 2025Sep 26, 2025Invested in Modular (Series C, $250M) SDxCentral
Portfolio
4 totalRecent Investment Activity
3Track record: led 0 and participated in 3 of 3 tracked venture rounds · 2 in the last 12 months
| Date | Company | Event | Role | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|---|---|
| Sep 22, 2026 | Snorkel AI | Series E | Participated | $350M | $3.5B | PR Newswire | |
| Sep 9, 2026 | Lightfield | Series A | Participated | $47M | — | PR Newswire | |
| Sep 26, 2025 | Modular | Series C | Participated | $250M | $1.6B | SDxCentral |
Sector / Stage Activity
Co-Investors
12Similar Firms
overlapping sector, stage or regionValue Add Research
Latest Pulse
- Aug 4, 2026Obsidian Security Raises $85M, Crosses $1.1B ValueObsidian Security raised an $85M Series D led by Crescent Cove Advisors at a $1.1B valuation, becoming a unicorn on demand for securing AI agents and non-human identities inside enterprises.→
- Jul 15, 2026Greylock Caps New Fund at $1.5B by ChoiceGreylock capped its newest fund at $1.5 billion despite being able to raise more, a deliberate bet that fund-size discipline protects returns better than scale in the current market.→
Greylock Partners FAQ
What companies has Greylock Partners invested in?
Greylock Partners' portfolio includes Snorkel AI, Lightfield, Baseten, Modular.
Who does Greylock Partners co-invest with most?
In the rounds Value Add tracks, Greylock Partners most often invests alongside Google Ventures (GV) (2 shared deals), Lightspeed Venture Partners (2 shared deals), SV Angel (2 shared deals), 01 Advisors (1 shared deal), Addition (1 shared deal).
Sources & methodologyshow
- PR Newswireprimary source1 fact
- PR Newswireprimary source1 fact
- SDxCentralValue Add VC data1 fact
Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.