| Website | matrixpartners.com |
| Phone | 650-798-1600 |
| Employees | |
| Founded | 1977 |
| Description | Early Stage VC Firm |
| Total | $1.25B |
| Matrix IX, 7/09 | $600M |
| Matrix Partners China II, 4/11 | $350M |
| Matrix Partners India II, 4/11 | $300M |
Matrix Partners is a US based private equity investment firm focusing on venture capital investments. The firm invests in seed and early stage companies in the software, communications, semiconductors, data storage, Internet and wireless sectors.
Matrix Partners has offices in Waltham, MA, Palo Alto, CA, Mumbai, India and Beijing, China.
| Company | Date | Round | Size | Participants |
| Skyfire Labs | 1/12 | Series C | $8M | 4 |
| ZestCash | 1/12 | Unattributed | $73M | 2 |
| VideoIQ | 1/12 | Series C | $3.5M | 3 |
| GrabCAD | 1/12 | Series A | $4M | 2 |
| Framehawk | 12/11 | Series B | $11M | 4 |
| SNSplus | 11/11 | Unattributed | $12.5M | 2 |
| SNS+ | 11/11 | Unattributed | $12.5M | 2 |
| Intent Media | 11/11 | Series B | $20M | 2 |
| Equip Outdoor Technologies | 10/11 | Debt | £20M | 1 |
| Care.com | 10/11 | Series D | $25M | 3 |
| MinuteKey | 9/11 | Unattributed | $10.6M | 2 |
| JustFabulous | 9/11 | Series A | $33M | 2 |
| Klip | 9/11 | Unattributed | $2M | 1 |
| VideoIQ | 9/11 | Series C | $7.5M | 4 |
| Plexxi | 7/11 | Series B | $20M | 3 |
| TribeHR | 7/11 | Seed | $1M | 1 |
| Taulia | 7/11 | Series B | $8M | 3 |
| CloudBees | 7/11 | Series B | $10.5M | 2 |
| MoboTap | 7/11 | Series A | $10M | 2 |
| Qualtré | 7/11 | Unattributed | $10M | 2 |
| Aylus Networks | 6/11 | Series D | $16M | 3 |
| GrabCAD | 6/11 | Seed | $1.1M | 7 |
| Gilt Groupe | 5/11 | Series E | $138M | 9 |
| Postmates | 5/11 | Angel | $750k | 10 |
| Anjuke | 3/11 | Series D | $50M | 2 |
| HubSpot | 3/11 | Series D | $32M | 6 |
| GOGII | 2/11 | Series C | $15M | 3 |
| Panzura | 12/10 | Series B | $12M | 3 |
| Zendesk | 12/10 | Series C | $19M | 3 |
| Taulia | 12/10 | Unattributed | $3.2M | 3 |
| CloudBees | 11/10 | Series A | $4M | 3 |
| Care.com | 10/10 | Series C | $20M | 3 |
| The Echo Nest | 10/10 | Unattributed | $7M | 1 |
| Inflection | 9/10 | Series A | $30M | 2 |
| Quwan.com | 8/10 | Series B | $10M | 3 |
| BuyWithMe | 7/10 | Series B | $16M | 2 |
| Affirmed Networks | 6/10 | Unattributed | $10.9M | 2 |
| Huddle | 5/10 | Series B | $10.2M | 2 |
| Gilt Groupe | 5/10 | Series C | $35M | 2 |
| Bonanza | 4/10 | Unattributed | $1M | 4 |
| Zong | 4/10 | Series A | $15M | 1 |
| Qualtré | 4/10 | Series B | $8M | 2 |
| SpiderCloud Wireless | 2/10 | Series B | $25M | 4 |
| Unidesk | 1/10 | Series B | $12.1M | 2 |
| BuyWithMe | 1/10 | Series A | $5.5M | 1 |
| SpiderCloud Wireless | 12/09 | Series A | $15M | 2 |
| GOGII | 12/09 | Series B | $8.15M | 2 |
| HubSpot | 10/09 | Series C | $16M | 3 |
| VeriVue | 9/09 | Series C | $20M | 5 |
| Skyfire Labs | 9/09 | Series B | $5M | 3 |
| Polyvore | 8/09 | Series B | $5.6M | 3 |
| Gilt Groupe | 8/09 | Series B | $43M | 2 |
| Anjuke | 8/09 | Series C | $10M | 1 |
| Intent Media | 7/09 | Series A | $8M | 1 |
| CloudSwitch | 6/09 | Series B | $8M | 3 |
| Tigo Energy | 6/09 | Series B | $10M | 4 |
| Carbon Design Systems | 5/09 | Series E | $7.5M | 3 |
| Kalido | 5/09 | Series E | $5.1M | 2 |
| Conductor | 4/09 | Series B | $10M | 2 |
| Hyper9 | 2/09 | Series B | $8M | 4 |
| CloudSwitch | 1/09 | Series A | $7.4M | 2 |
| Baofeng | 11/08 | Unattributed | $15M | 2 |
| Anjuke | 11/08 | Series B | $10M | 1 |
| Xtalic | 10/08 | Unattributed | $10M | 2 |
| Qualtré | 8/08 | Series A | $5M | 2 |
| OpenSpan | 7/08 | Series C | $13M | 5 |
| VideoIQ | 7/08 | Series B | $10M | 3 |
| VeriVue | 7/08 | Series B | $40M | 5 |
| Skyfire Labs | 5/08 | Series B | $13M | 3 |
| Tigo Energy | 5/08 | Series A | $6M | 2 |
| HubSpot | 5/08 | Series B | $12M | 2 |
| Envio Networks | 4/08 | Series B | $10M | 2 |
| Sparkroom | 3/08 | Series A | $4M | 1 |
| Care.com | 3/08 | Series B | $10M | 2 |
| Crossbeam Systems | 2/08 | Series F | $3.5M | 3 |
| Renkoo | 2/08 | Series B | $6M | 2 |
| Carbon Design Systems | 1/08 | Unattributed | $6M | 3 |
| Buzzwire | 12/07 | Series B | $8M | 3 |
| Xikota Devices | 11/07 | Series A | $960k | 1 |
| Kalido | 11/07 | Series D | $10M | 3 |
| Virtual Iron Software | 11/07 | Series D | $13M | 6 |
| Anjuke | 11/07 | Series A | $2M | 1 |
| Gilt Groupe | 11/07 | Series A | $5M | 1 |
| Akorri Networks | 9/07 | Series C | $15M | 4 |
| asklaila | 9/07 | Series B | $10M | 3 |
| Four Interactive | 9/07 | Series B | $10M | 3 |
| Diligent Technologies | 8/07 | Series D | $10.5M | 4 |
| Hyper9 | 7/07 | Series B | $7.2M | 2 |
| Buzzwire | 7/07 | Series A | $4M | 2 |
| Aylus Networks | 6/07 | Series B | $15M | 2 |
| Skyfire Labs | 6/07 | Series A | $4.8M | 2 |
| Intelliden | 5/07 | Series E | $10M | 4 |
| The Fanfare Group | 5/07 | Unattributed | $12M | 3 |
| Crossbeam Systems | 5/07 | Series F | $21M | 8 |
| Care.com | 5/07 | Series A | $3.5M | 2 |
| Veveo | 5/07 | Unattributed | $14M | 3 |
| VideoIQ | 4/07 | Series A | $8M | 2 |
| Solidcore Systems | 4/07 | Series D | $10M | 4 |
| Rohati Systems | 3/07 | Series B | $11M | 2 |
| Four Interactive | 2/07 | Series A | $2M | 1 |
| PostPath | 1/07 | Series C | $15M | 3 |
| Camiant | 1/07 | Series C | $8.1M | 2 |
| Euclid Media | 1/07 | Unattributed | 1 | |
| SolidCore | 1/07 | Series D | $10M | 4 |
| Digital Music India | 12/06 | Unattributed | $4.5M | 1 |
| OpenSpan | 12/06 | Series A | $8M | 3 |
| Qihoo | 11/06 | Series B | $25M | 6 |
| Aruba Networks | 10/06 | Unattributed | $30M | 4 |
| Carbon Design Systems | 9/06 | Series D | $5M | 3 |
| Digium | 8/06 | Series A | $13.8M | 1 |
| Beijing Sanji Wuxian Internet Technology | 6/06 | Unattributed | $1M | 1 |
| OATSystems | 4/06 | Series B | $12.5M | 2 |
| Akorri Networks | 4/06 | Series B | $15.2M | 2 |
| Renkoo | 4/06 | Series A | $3M | 2 |
| Solidcore Systems | 2/06 | Series C | $10M | 3 |
| Mazu Networks | 2/06 | Unattributed | $7M | 5 |
| Ambarella | 2/06 | Series C | $15.4M | 3 |
| Tabblo | 1/06 | Series B | $4M | 1 |
| Digital Reef | 1/06 | Series A | $10M | 1 |
| Intelliden | 12/05 | Series D | $11M | 4 |
| Intelliden | 12/05 | Series D | $11M | 4 |
| Kalido | 10/05 | Series C | $13.5M | 3 |
| Virtual Iron Software | 9/05 | Series C | $11.5M | 6 |
| Carbon Design Systems | 9/05 | Series C | $5.35M | 3 |
| Akorri Networks | 5/05 | Series A | $8.43M | 3 |
| Grandis | 4/05 | Unattributed | $10M | 3 |
| Camiant | 3/05 | Series B | $8M | 3 |
| Arroyo Video Solutions | 3/05 | Series C | $12M | 5 |
| Solidcore Systems | 2/05 | Series B | $20M | 3 |
| Blue Lane Technologies | 2/05 | Series B | $13.4M | 2 |
| The Fanfare Group | 1/05 | Series B | $8M | 2 |
| TimeLab | 1/05 | Unattributed | $7.5M | 2 |
| PostPath | 12/04 | Series B | $9.3M | 2 |
| TheLadders | 11/04 | Series A | $7.25M | 1 |
| Tealeaf | 9/02 | Series C | $12M | 3 |