Greylock Partners is a venture capital firm that focuses on early-stage investments (pre-seed, seed, and Series A) in disruptive consumer and enterprise software startups. They prioritize "AI-first" companies and strong founding teams with a vision to disrupt large markets, offering hands-on operational support in sectors like AI, cybersecurity, fintech, and SaaS.
Deal activity increased 36% year-over-year (19 deals in the last 12 months). Average disclosed round size is $74.7M (across 245 rounds with reported amounts).
Portfolio
270
Fund Size
$3.5B
Top Stage
Series B
Last 12 Mo
19
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
270 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Censys | Series D | $70M | Mar 2026 |
 Entrepreneur First | Growth | $200M | Mar 2026 |
 Cogent Security | Series A | $42M | Feb 2026 |
 Bretton AI | Series B | $75M | Feb 2026 |
 Resolve AI | Series A | $125M | Feb 2026 |
| UUpwind Security | Series B | $250M | Jan 2026 |
 Bedrock Data | Series A | $25M | Nov 2025 |
| SSuperMe | Seed | — | Nov 2025 |
 Wealthsimple | Growth | $750M | Oct 2025 |
 AmplifyMD | Series B | $20M | Sep 2025 |
 Modular | Growth | $250M | Sep 2025 |
 Nuro | Series E | $203M | Aug 2025 |
| Cogent Security | Seed | $11M | Jul 2025 |
 Aspora | Series B | $90M | Jun 2025 |
| FFERMÀT | Series B | $45M | Jun 2025 |
| Aspora | Series B | $50M | Jun 2025 |
 Netic | Series A | — | Jun 2025 |
 Snorkel AI | Series D | $100M | May 2025 |
| Aspora | Series B | $45.7M | May 2025 |
| Nuro | Series E | $106M | Apr 2025 |
 LlamaIndex | Series A | $19M | Mar 2025 |
| HHighstock | Seed | — | Feb 2025 |
 Manas AI | Series A | $24.6M | Jan 2025 |
 Instabase | Series D | $100M | Jan 2025 |
 Upwind | Series A | $100M | Dec 2024 |
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Top Co-Investors
Andreessen Horowitz34 shared
Sequoia Capital28 shared
Index Ventures23 shared
GV (Google Ventures)21 shared
Lightspeed Venture Partners20 shared
SV Angel16 shared
Benchmark15 shared
General Catalyst14 shared
Tiger Global Management13 shared
Accel13 shared
Founders Fund12 shared
Bain Capital Ventures12 shared
IVP (Institutional Venture Partners)11 shared
Kleiner Perkins10 shared
Addition10 shared
Redpoint Ventures9 shared
NEA (New Enterprise Associates)9 shared
Y Combinator9 shared
Meritech Capital9 shared
8VC8 shared
Last updated: 10 April 2026