Greylock Partners is one of the oldest venture capital firms, founded in 1965 and based in Menlo Park, California. The firm focuses on being the first institutional partner for founders, with over 80% of investments at the Pre-Seed, Seed, or Series A stages across enterprise and consumer software, with a strong emphasis on AI-first companies.
Average disclosed round size is $64.1M (across 332 rounds with reported amounts).
Portfolio
267
Fund Size
$1B
Top Stage
Series B
Last 12 Mo
18
Team
Bill Elfers
Founding Partner
CW
Charlie Waite
Founding Partner
DG
Dan Gregory
Founding Partner
Bill Kaiser
Partner Emeritus
Bob Henderson
Special Limited Partner
Dave Strohm
Venture Partner
Howard Cox
Special Limited Partner
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
382 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Knode AI | Seed | — | Jun 2026 |
 Altara | Seed | $7M | May 2026 |
 Censys | Series D | $70M | Mar 2026 |
 Entrepreneur First | Growth | $200M | Mar 2026 |
 Pepper | Series C | — | Feb 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 |
 District | Seed | $14.7M | Jan 2026 |
 Axiamatic | Unknown | $54M | Jan 2026 |
 Bedrock Data | Series A | — | Nov 2025 |
 SuperMe | Seed | — | Nov 2025 |
 Tenzai | Seed | $75M | Nov 2025 |
 Wealthsimple | Growth | $750M | Oct 2025 |
 AmplifyMD | Series B | $20M | Sep 2025 |
 Modular | Growth | — | Sep 2025 |
| MManas | Seed | $24.6M | Sep 2025 |
 Nuro | Series E | $203M | Aug 2025 |
| Cogent Security | Seed | — | Jul 2025 |
 Fermat | Series B | $45M | Jun 2025 |
 Aspora | Series B | $50M | Jun 2025 |
 Netic | Series A | — | Jun 2025 |
 Snorkel AI | Series D | — | May 2025 |
| Aspora | Series B | — | May 2025 |
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Top Co-Investors
Sequoia Capital37 shared
GV31 shared
Index Ventures29 shared
SV Angel28 shared
Andreessen Horowitz27 shared
Lightspeed Venture Partners25 shared
General Catalyst22 shared
Tiger Global Management, LLC21 shared
Accel18 shared
Benchmark17 shared
Y Combinator16 shared
Founders Fund16 shared
Bain Capital Ventures16 shared
Battery Ventures15 shared
Khosla Ventures14 shared
Menlo Ventures13 shared
Kleiner Perkins13 shared
New Enterprise Associates12 shared
Meritech Capital12 shared
Institutional Venture Partners11 shared
Last updated: 9 September 2026