| Website | polarisventures.com |
| Phone | 781-290-0770 |
| Employees | |
| Founded | 1/96 |
Polaris Venture Partners was founded in 1996, and in its 10+ years of existence has made investments in successful companies like Akamai, Allaire, Alnylam, Automattic, JibJab, LogMeIn, PowerSoft, QuantCast, Sirtris, and SolidWorks. The company’s portfolio extends beyond digital media investments through its stakes in life sciences and enterprise software concerns and other industries.
| Company | Date | Round | Size | Participants |
| Bluetrain Mobile | 4/13 | Seed | $1.53M | 4 |
| Iora Health | 4/13 | Series B | $14M | 4 |
| AgBiome | 4/13 | Series A | $14.5M | 4 |
| TARIS Biomedical | 3/13 | Private Equity | $13.5M | 4 |
| US HealthVest | 3/13 | Series A | $36M | 5 |
| Kala Pharmaceuticals | 2/13 | Series A | $11.5M | 4 |
| Living Proof | 2/13 | Series C | $30M | 2 |
| JIBE | 2/13 | Series B | $10M | 6 |
| Ocular Therapeutix | 1/13 | Series D | $23.8M | 4 |
| Art.com | 1/13 | Series B | $6.24M | 4 |
| Spindle | 11/12 | Venture Round | $2.3M | 6 |
| Visterra | 11/12 | Series A | $13M | 5 |
| TopFloor | 10/12 | Venture Round | $6M | 6 |
| Genocea Biosciences | 10/12 | Series C | $30M | 10 |
| docTrackr | 10/12 | Seed | $2M | 10 |
| Localytics | 9/12 | Series B | $5.5M | 3 |
| WikiCell Designs | 9/12 | Series A | $10M | 2 |
| BalconyTV | 7/12 | Series A | $750k | 3 |
| Impinj | 7/12 | Venture Round | $21M | 6 |
| Logentries | 7/12 | Venture Round | $1.1M | 3 |
| Egnyte | 7/12 | Series C | $16M | 3 |
| Athletes' Performance | 7/12 | Venture Round | $22.5M | 2 |
| Barkbox | 7/12 | Seed | $1.7M | 6 |
| Seventh Sense Biosystems | 6/12 | Series A | $10M | 2 |
| Vets First Choice | 6/12 | Venture Round | $4M | 3 |
| PostRocket | 5/12 | Seed | $610k | 6 |
| Infinite Power Solutions | 5/12 | Series D | $10M | 4 |
| Adimab | 4/12 | Venture Round | $14M | 3 |
| Wantful | 3/12 | Series A | $5.5M | 7 |
| Kala Pharmaceuticals | 3/12 | Venture Round | $6.2M | 4 |
| Promedior | 3/12 | Series D | $21.5M | 6 |
| Apnex Medical | 2/12 | Series C | $20M | 3 |
| 480 Biomedical | 2/12 | Series A | $15M | 3 |
| Aria Retirement Solutions | 2/12 | Venture Round | $4M | 1 |
| Recurly | 1/12 | Series A | $6M | 4 |
| Cerulean Pharma | 12/11 | Series D | $15M | 5 |
| Arsenal Vascular | 10/11 | Venture Round | $3M | 3 |
| turntable.fm | 9/11 | Series A | $7M | 10 |
| Pulmatrix | 8/11 | Series B | $14M | 4 |
| T2 Biosystems | 8/11 | Series D | $23M | 10 |
| Lascaux Co. | 7/11 | Seed | $600k | 4 |
| ReadyForZero | 6/11 | Series A | $4.5M | 2 |
| JIBE | 5/11 | Series A | $6M | 6 |
| Neuronetics | 5/11 | Series E | $30M | 8 |
| ShoeDazzle | 5/11 | Series C | $40M | 3 |
| Seventh Sense Biosystems | 5/11 | Series A | $4.5M | 3 |
| TARIS Biomedical | 4/11 | Series B | $18.3M | 4 |
| Message Bus | 3/11 | Series A | $3.35M | 11 |
| BridgePoint Medical | 3/11 | Series C | $9.1M | 3 |
| Offline Labs | 3/11 | Seed | $1M | 12 |
| Arsanis | 2/11 | Series A | $10M | 3 |
| Seamless Receipts | 2/11 | Venture Round | $1.5M | 4 |
| CatchFree | 1/11 | Series A | $5.5M | 6 |
| Genocea Biosciences | 1/11 | Series B | $35M | 9 |
| 1366 Technologies | 12/10 | Series B | $6M | 3 |
| Cerulean Pharma | 11/10 | Series C | $24M | 5 |
| aTyr Pharma | 10/10 | Series C | $23M | 4 |
| SiOnyx | 10/10 | Series B | $12.5M | 4 |
| 1366 Technologies | 10/10 | Series B | $20M | 4 |
| FREEjit | 10/10 | Series A | 5 | |
| Sun Catalytix | 10/10 | Series B | $9.5M | 2 |
| Infinite Power Solutions | 8/10 | Series C | $20M | 5 |
| Cardlytics | 8/10 | Series C | $18M | 6 |
| Visterra | 8/10 | Series A | $6M | 3 |
| Recurly | 7/10 | Seed | $1.6M | 7 |
| Trevena | 7/10 | Series B | $35M | 4 |
| Aepona | 6/10 | Venture Round | $10M | 8 |
| Bind Biosciences | 6/10 | Series C | $12.4M | 4 |
| Acceleron Pharma | 6/10 | Venture Round | $8.4M | 5 |
| Phreesia | 5/10 | Series D | $16M | 6 |
| T2 Biosystems | 5/10 | Series C | $15M | 9 |
| Stickybits | 5/10 | Series A | $1.6M | 3 |
| Arsenal Vascular | 5/10 | Venture Round | $10M | 3 |
| ShoeDazzle | 4/10 | Series B | $13M | 2 |
| BlackArrow | 4/10 | Series C | $27M | 7 |
| Selecta Biosciences | 4/10 | Series C | $15M | 5 |
| JIBE | 3/10 | Seed | $875k | 5 |
| Formspring | 3/10 | Series A | $2.5M | 12 |
| Stickybits | 3/10 | Seed | $300k | 2 |
| Arsenal Vascular | 3/10 | Debt | $1M | 3 |
| Allurent | 2/10 | Venture Round | $2M | 1 |
| 1366 Technologies | 2/10 | Venture Round | $5.15M | 2 |
| Adimab | 1/10 | Series D | $8.2M | 5 |
| Phytel | 1/10 | Venture Round | $14.2M | 1 |
| MicroCHIPS | 1/10 | Venture Round | $16.5M | 9 |
| Quantcast | 1/10 | Series C | $27.5M | 5 |
| Free & Clear | 1/10 | Venture Round | $10M | 3 |
| Apnex Medical | 12/09 | Series B | $14M | 3 |
| Sun Catalytix | 11/09 | Series C | $1M | 1 |
| ShoeDazzle | 11/09 | Series A | $7M | 2 |
| Fate Therapeutics | 11/09 | Series B | $30M | 6 |
| Pulmatrix | 11/09 | Series B | $30.2M | 4 |
| Thing Labs | 11/09 | Series A | $600k | 5 |
| Alimera Sciences | 10/09 | Series C | $5M | 5 |
| aTyr Pharma | 9/09 | Series C | $12M | 3 |
| Pervasis Therapeutics | 8/09 | Series C | $17.4M | 3 |
| Cerulean Pharma | 7/09 | Series B | $10M | 4 |
| Egnyte | 7/09 | Series A | $6M | 2 |
| Experience, Inc. | 7/09 | Venture Round | $4.4M | 1 |
| TARIS Biomedical | 6/09 | Series A | $15M | 3 |
| Ocular Therapeutix | 6/09 | Series C | $15M | 3 |
| Hangout Industries | 5/09 | Series B | $4M | 2 |
| VKernel, now a part of Dell | 5/09 | Series B | $7M | 3 |
| Parasol Therapeutics | 5/09 | Series A | $3.25M | 3 |
| Pulmatrix | 3/09 | Series A | $3.5M | 2 |
| Veracode | 3/09 | Series C | $5M | 5 |
| Selecta Biosciences | 2/09 | Series B | $15.1M | 4 |
| Phreesia | 2/09 | Series C | $11.6M | 5 |
| JibJab | 1/09 | Series C | $7.5M | 3 |
| Roundbox | 12/08 | Series C | $20M | 5 |
| Infinite Power Solutions | 12/08 | Series B | $13M | 5 |
| Paratek | 12/08 | Venture Round | $20M | 5 |
| Adimab | 11/08 | Series C | $4M | 4 |
| Cardiac Concepts | 10/08 | Series B | $21M | 6 |
| Lolapps | 9/08 | Series A | $4M | 3 |
| Living Proof | 8/08 | Series A | $7M | 1 |
| Follica | 8/08 | Series B | $11M | 3 |
| Athenix | 7/08 | Series D | $10M | 3 |
| Wakonda Technologies | 6/08 | Series A | $3.16M | 4 |
| Thing Labs | 6/08 | Series A | $1.6M | 1 |
| ChipIn | 6/08 | Series B | $5M | 2 |
| GreenFuel | 5/08 | Series C | $13.9M | 3 |
| Sprout | 5/08 | Series B | $5M | 3 |
| Turbine | 4/08 | Series C | $40M | 5 |
| Modelinia | 4/08 | Series A | $5M | 1 |
| Imprivata | 4/08 | Series C | $15M | 4 |
| 1366 Technologies | 3/08 | Series A | $12.4M | 2 |
| Trevena | 3/08 | Series A | $24M | 4 |
| PublicEarth | 2/08 | Series A | $3M | 1 |
| Pervasis Therapeutics | 1/08 | Venture Round | $9.75M | 4 |
| Cerulean Pharma | 1/08 | Series B | $8.1M | 5 |
| HealthCentral | 1/08 | Series A | $50M | 4 |
| ice | 1/08 | Series A | $47M | 1 |
| Automattic | 1/08 | Series B | $29.5M | 4 |
| Quantcast | 1/08 | Series B | $20M | 2 |
| ARPU | 1/08 | Series C | $8.73M | 3 |
| Fate Therapeutics | 11/07 | Series A | $12M | 4 |
| Dataupia | 11/07 | Series B | $16M | 3 |
| Mintera | 10/07 | Series C | $19M | 6 |
| BlackArrow | 10/07 | Series B | $12M | 5 |
| JibJab | 10/07 | Series B | $4M | 1 |
| Adimab | 9/07 | Series A | $5.9M | 2 |
| Phreesia | 9/07 | Series B | $10.3M | 2 |
| Adnexus | 8/07 | Series C | $15.5M | 5 |
| Biolex Therapeutics | 5/07 | Series C | $30M | 9 |
| Cerulean Pharma | 5/07 | Series A | $12.1M | 3 |
| aTyr Pharma | 4/07 | Series B | $10.5M | 3 |
| Impinj | 3/07 | Series E | $19M | 10 |
| Hangout Industries | 3/07 | Series A | $6M | 2 |
| Aepona | 2/07 | Series C | $10M | 3 |
| BridgePoint Medical | 1/07 | Series B | $10M | 3 |
| Veracode | 1/07 | Series B | $19.5M | 5 |
| Heavy | 1/07 | Series C | $20M | 1 |
| Q1 Labs | 1/07 | Series D | $9M | 5 |
| Cerulean Pharma | 12/06 | Venture Round | $2M | 1 |
| BlackArrow | 11/06 | Series B | $14.8M | 3 |
| BridgePort Networks | 11/06 | Series C | $13M | 4 |
| Athletes' Performance | 10/06 | Venture Round | 1 | |
| SiCortex | 10/06 | Series B | $21M | 6 |
| Mintera | 10/06 | Series B | $10M | 5 |
| WHI Solution | 9/06 | Venture Round | $17.9M | 2 |
| Confluence Technologies | 8/06 | Venture Round | $60M | 1 |
| Acceleron Pharma | 8/06 | Series B | $30M | 6 |
| ARPU | 7/06 | Series B | $5M | 4 |
| Adnexus | 6/06 | Series B | $27M | 4 |
| JibJab | 6/06 | Series A | $6.4M | 1 |
| Ember | 6/06 | Venture Round | $12M | 7 |
| Promedior | 5/06 | Series A | $14M | 5 |
| Roundbox | 4/06 | Series B | $15M | 3 |
| CodeRyte | 3/06 | Series C | $8.52M | 7 |
| Veracode | 3/06 | Venture Round | $7.5M | 2 |
| Archivas | 2/06 | Series C | $12M | 3 |
| Asempra Technologies | 2/06 | Series B | $20M | 3 |
| Imprivata | 2/06 | Series B | $8.91M | 3 |
| Heavy | 1/06 | Venture Round | $10M | 1 |
| Zingdom Communications | 1/06 | Series C | $13M | 3 |
| Athenix | 1/06 | Series C | $13M | 6 |
| T2 Biosystems | 1/06 | Venture Round | $5.5M | 3 |
| Impinj | 12/05 | Venture Round | $26.5M | 9 |
| LogMeIn | 12/05 | Series B | $10M | 4 |
| mValent | 12/05 | Series C | $6M | 3 |
| Alimera Sciences | 11/05 | Series B | $31.8M | 5 |
| nanosys | 11/05 | Series D | $41.5M | 16 |
| PhyFlex Networks | 10/05 | Venture Round | $2.5M | 3 |
| Automattic | 10/05 | Series A | $1.1M | 7 |
| Biolex Therapeutics | 9/05 | Series B | $36M | 6 |
| Pervasis Therapeutics | 8/05 | Series B | $17.4M | 3 |
| Paratek | 5/05 | Series C | $15M | 5 |
| Turbine | 5/05 | Series B | $30M | 4 |
| Prospex Medical | 4/05 | Seed | $1.5M | 2 |
| MessageGate | 4/05 | Venture Round | $5M | 5 |
| Mintera | 4/05 | Series B | $18.5M | 5 |
| Digital Safety Technologies | 4/05 | Venture Round | $41.1M | 5 |
| Sirtris Pharmaceuticals | 3/05 | Series B | $27M | 6 |
| Aepona | 3/05 | Series B | $20M | 4 |
| Frictionless Commerce | 2/05 | Venture Round | $6.2M | 4 |
| Art.com | 2/05 | Series A | $30M | 2 |
| Sirtris Pharmaceuticals | 12/04 | Series A | $13M | 5 |
| BlackArrow | 12/04 | Series A | $6M | 3 |
| WeatherBug | 3/04 | Series B | $23M | 3 |
| Athenix | 1/04 | Series B | $12.5M | 5 |
| Ember | 10/02 | Series B | $20M | 6 |
| 170 Systems | 4/02 | Series A | $14M | 1 |
| Athenix | 9/01 | Series A | $8M | 3 |
| Sentillion | 9/01 | Series C | $18M | 7 |
| Sentillion | 4/00 | Series B | $8.75M | 5 |
| Sentillion | 3/99 | Series A | $2.7M | 3 |
| Sentillion | 3/99 | Series A | $2.7M | 3 |