| Website | greylock.com |
| Phone | 650.493.5525 |
| Employees | |
| Founded | 1965 |
| Description | Venture Capital |
| Greylock XIII, 11/09 | $575M |
Greylock Partners is a Venture Capital firm based San Mateo, CA that works actively with entrepreneurs to build market-leading companies. The firm is currently focused on the enterprise software and consumer Internet sectors.
Greylock started in 1965 and has funded and helped build several hundred successful companies, including Ascend Communications, CheckFree, CipherTrust, Constant Contact, Continental Cable, Data Domain, Decru, digg, DoubleClick, Facebook, Farecast, Internet Security Systems, Ikanos, Legato, LinkedIn, Media Metrix, Millennium Pharmaceuticals, Openwave, Open Market, Red Hat, RightNow Technologies, Success Factors, Tellabs, Trilogy, Wily Technology, Workday and Zipcar.
Greylock primarily invests in Early Stage companies and occasionally invests in Growth Stage businesses. The firm has offices in Massachusetts, Israel and India.
| Company | Date | Round | Size | Participants |
| Data Robotics | 10/09 | Series E | $10M | 5 |
| Troux Technologies | 10/09 | Unattributed | $10M | 3 |
| HealthHiway | 9/09 | Unattributed | $4M | 1 |
| Wanova | 8/09 | Series A | $13M | 3 |
| Apptio | 8/09 | Series B | $14M | 4 |
| richrelevance | 8/09 | Unattributed | $12.5M | 5 |
| Pandora | 7/09 | Series D | $35M | 1 |
| OpenDNS | 7/09 | Series B | 2 | |
| High Gear Media | 6/09 | Series B | $5.5M | 3 |
| Wonga | 6/09 | Series B | $22.3M | 4 |
| The Box | 6/09 | Unattributed | 1 | |
| Cloudera | 6/09 | Series B | $6M | 2 |
| Xsigo | 5/09 | Unattributed | 4 | |
| Workday | 4/09 | Series E | $75M | 4 |
| Auditude | 3/09 | Series B | $10.5M | 2 |
| Oodle | 2/09 | Series C | $5.6M | 3 |
| Delphix | 2/09 | Series A | $8.5M | 2 |
| ZeroG Wireless | 10/08 | Series B | $17M | 4 |
| Digg | 9/08 | Series C | $28.7M | 4 |
| WEbook | 9/08 | Series A | $5M | 2 |
| Ounce Labs | 9/08 | Unattributed | $7.5M | 2 |
| Data Robotics | 9/08 | Series D | $15M | 4 |
| Refocus Imaging Inc | 8/08 | Series A | $250k | 1 |
| Palo Alto Networks | 8/08 | Series C | $26.6M | 4 |
| Kickfire | 7/08 | Series B | $20M | 4 |
| Payoneer | 7/08 | Series B | $8M | 2 |
| BountyJobs | 7/08 | Series B | $12M | 1 |
| PLYmedia | 7/08 | Series B | $6M | 2 |
| 6/08 | Series D | $53M | 4 | |
| SunEdison | 5/08 | Debt | $30M | 6 |
| SunEdison | 5/08 | Series B | $131M | 6 |
| Social Gaming Network | 5/08 | Series A | $15M | 4 |
| Metis Technologies | 5/08 | Unattributed | $8M | 2 |
| Concert Pharmaceuticals | 4/08 | Series C | $37M | 12 |
| Red Bend Software | 4/08 | Series E | $10M | 5 |
| Cuil | 4/08 | Series B | $25M | 3 |
| Imperva | 4/08 | Series D | $20M | 5 |
| WebCollage | 3/08 | Series B | $10M | 4 |
| Car Advisory Network | 3/08 | Series A | $6.5M | 2 |
| Panther Express | 2/08 | Series B | $15.8M | 3 |
| Aquantia | 2/08 | Series B | $26M | 4 |
| Silver Peak | 1/08 | Series D | $21M | 6 |
| Chirp Interactive | 1/08 | Seed | 5 | |
| High Gear Media | 11/07 | Series A | $6.5M | 2 |
| Kongregate | 8/07 | Series B | $5M | 5 |
| Awareness | 7/07 | Series A | $7M | 2 |
| eSnips | 7/07 | Series B | $2M | 2 |
| Palo Alto Networks | 6/07 | Series B | $18M | 3 |
| ZeroG Wireless | 6/07 | Series A | $13M | 3 |
| Revision3 | 6/07 | Series B | $8M | 1 |
| Payoneer | 3/07 | Series A | $4M | 1 |
| Celeno | 3/07 | Series B | $14.2M | 2 |
| Cuil | 3/07 | Series A | $8M | 2 |
| Calista Technologies | 1/07 | Series A | 2 | |
| Farecast | 1/07 | Series C | $12.1M | 6 |
| Apptio | 2007 | Series A | $7M | 2 |
| Digg | 12/06 | Series B | $8.5M | 2 |
| eSnips | 10/06 | Series A | $2M | 2 |
| Websense | 9/06 | Unattributed | $18M | 4 |
| Revision3 | 9/06 | Series A | $1M | 1 |
| Zend Technologies | 8/06 | Series D | $20M | 7 |
| Oodle | 5/06 | Series A | $5M | 2 |
| 4/06 | Series B | $27.5M | 3 | |
| Glimpse | 2006 | Series A | $4M | 2 |
| Palo Alto Networks | 2006 | Series A | $10M | 2 |
| Digg | 10/05 | Series A | $2.8M | 7 |
| Farecast | 7/05 | Series B | $7M | 3 |
| Vudu | 6/05 | Series A | $21M | 5 |
| Workday | 2005 | Unattributed | $15M | 2 |
| Wink | 1/05 | Series A | $6.2M | 2 |
| 10/04 | Series B | $10M | 1 |