Boston · Seed–Growth · 48 people tracked
Also known as Polaris Growth Fund · POLARIS GROWTH MANAGEMENT, LLC
Find your way into Polaris Partners
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Investment thesis
Polaris Partners emphasizes real partnership as the foundation for building great companies. For nearly three decades, the firm has collaborated with talented biotech and healthcare entrepreneurs, backing transformational companies in these fields. Its approach centers on doing well by working together with founders throughout the company-building journey.
Source: firm website, verified Sep 1, 2026.
Team · 48 people
from the firm's website & curated & public directoriesFounder mafia
The Polaris Partners mafia →6 people who came through Polaris Partners went on to found or lead other companies.
What they invest in
from 63 of 79 portfolio companiesBiotech ×44Healthtech ×23AI & Machine Learning ×17Medical Devices ×15Digital Health ×8Enterprise Software ×8Deep Tech ×6SaaS ×5
HQs:United States×70Netherlands×1
Investments · 79 tracked
founders shown can be your intro pathBy year:2026 · 52025 · 62024 · 52023 · 32022 · 112021 · 42020 · 42019 · 12018 · 32017 · 52016 · 82015 · 1169 dated
BiotechWaltham, US
Tillman U. Gerngross(Executive Officer, Director)Lynn Connolly(Executive Officer)Eric Kimble(Executive Officer)inHalley Gilbert(Executive Officer)Rebecca Dabora(Executive Officer)inEllie Hershberger(Executive Officer)
Board seatTerry McGuireTerrance G. McGuire· per SEC Form D · $23.7M raise · filed Nov 2022
Co-investorsGV (Google Ventures)Mithril Capital ManagementVeltro Argento
Alector develops therapies targeting neurodegenerative diseases including Alzheimer's, frontotemporal dementia, and Parkinson's disease through protein removal, replacement, and immune cell restoration.
AI & Machine LearningBiotechHealthtechLongevityMedical DevicesSan Francisco, US
Arnon Rosenthal(Ph.D.)inTillman Gerngross(Director)Arnon Rosenthal PhD(Founder)in
BoardCarl Gordon(Director)
Board seatTerry McGuire· per SEC Form D · $32.3M raise · filed Sep 2015
Co-investorsForesite CapitalMission Bay CapitalMission BiocapitalMRL Ventures FundSV Health Investors
aTyr is a clinical-stage biotechnology company developing therapies derived from tRNA synthetase biology to treat fibrosis and inflammation, with its lead candidate efzofitimod in clinical trials for interstitial lung disease.
BiotechHealthtechMedical DevicesSan Diego, US
Paul Schimmel(Non-Management Director)John D. Mendlein(Executive Officer, Director)David Weiner(Executive Officer)Frederic Chereau(Executive Officer)
BoardAkkaraju Srinivas(Non-Management Director)
Board seatAmir Nashat· per SEC Form D · $76.3M raise · filed Apr 2015
Co-investorsCardinal PartnersEcoR1 CapitalSofinnova VenturesDomain PartnersSamsara BioCapital
BiotechCambridge, US
JOSH MANDEL-BREHM(Executive Officer, Director)inRICHARD YOUNG(Director)
BoardMICHAEL HIGGINS(Director)JORGE CONDE(Director)in
Board seatAmir Nashat· per SEC Form D · filed Jun 2022
Co-investors5AM VenturesAndreessen HorowitzLongwood Fund
Cardlytics operates a commerce media platform that uses card-linked purchase data to deliver targeted offers and closed-loop measurement for marketers and advertisers, and personalized rewards programs for banks and publishers.
AdTechFintechMarketing TechAtlanta, US
Scott Grimes(Executive Officer, Director)inLynne Laube(Executive Officer, Director)inKirk Somers(Executive Officer)inDavid Evans(Executive Officer)in
BoardJohn Klinck(Director)inMark Johnson(Director)in
Board seatBryce Youngren· per SEC Form D · $11.9M raise · filed Jun 2017
Co-investorsBaroda VenturesCanaan PartnersKinetic Ventures, L.L.C.Next Coast VenturesSavano Capital PartnersHyperplane Venture Capital+1 more
Cartesian Therapeutics is a clinical-stage biotechnology company developing mRNA-based cell therapies aimed at treating autoimmune diseases.
BiotechHealthtechWatertown, US
Metin Kurtoglu(Executive Officer)Omid Farokhzad(Director)Chris Jewell(Executive Officer)inCarsten Brunn(President, CEO & Chairman of the Board)inEmily English(Executive Officer)inBlaine Davis(Executive Officer)in
Board seatAmir Nashat· per SEC Form D · $70M raise · filed Jan 2020
Co-investorsK2 HealthVenturesMaryland TEDCOSchooner CapitalTEDCO
Cyclerion is a biopharmaceutical company developing therapeutics for neuropsychiatric diseases, with a lead candidate (CYC-126) for treatment-resistant depression that pairs anesthetic agents with a personalized biofeedback-driven device.
BiotechDigital HealthMental HealthCambridge, US
William Huyett(Executive Officer)Mark G. Currie(Executive Officer)inOle Isacson(Director)Stephanie Lovell(Director)Marsha Fanucci(Director)George Conrades(Director)
Board seatAmy SchulmanTerrance McGuire· per SEC Form D · $24.3M raise · filed Aug 2020
Co-investorsPappas CapitalInvus
Daré Bioscience is a female-led biotech company developing treatments for women's health conditions that are overlooked in the healthcare industry.
BiotechDigital HealthDirect to ConsumerFemTechHealthtechSan Diego, US
MarDee Haring-Layton(Chief Accounting Officer)inSabrina Martucci Johnson(Founder & Chief Executive Officer)Christopher D.T. Guiffre(Executive Officer, Director)Gregg Beloff(Executive Officer)Alejandra V. Carvajal(Executive Officer)Adrian Senderowicz(Executive Officer)
Board seatAlan Crane· per SEC Form D · $1 raise · filed Oct 2016
Fate Therapeutics develops investigational cellular immunotherapies to treat autoimmune diseases and cancer.
BiotechDigital HealthHealthtechMedical DevicesSan Diego, US
Christian Weyer(Executive Officer, Director)J. Scott Wolchko(Executive Officer)Daniel Shoemaker(Executive Officer)inBahram (Bob) Valamehr(President & Chief Executive Officer)in
BoardJohn Mendlein(Director)
Board seatAmir Nashat· per SEC Form D · $10.3M raise · filed Aug 2016
Co-investorsSanofi VenturesVenrock
Fractyl develops therapies for obesity and type 2 diabetes, focusing on non-drug-based approaches rooted in understanding metabolic disease mechanisms.
BiotechHealthtechMedical DevicesLexington, US
HARITH RAJAGOPALAN(Executive Officer, Director)inJAY CAPLAN(Executive Officer, Director)inJay Caplan(Executive Officer, Director)inHarith Rajagopalan(Executive Officer, Director)inLISA DAVIDSON(Executive Officer)inDiane Marcou(Executive Officer)in
Board seatAmy Schulman· per SEC Form D · $20.1M raise · filed Jan 2022
Co-investorsBessemer Venture PartnersCatalio Capital Management, LPEmergent Medical Partners, LLPMithril Capital ManagementVeltro Argento
Pulmatrix develops inhaled dry-powder therapies using its proprietary iSPERSE technology, which uses small, dense, dispersible particles to deliver respiratory and non-respiratory drugs via the respiratory system.
BiotechDeep TechHealthtechMedical DevicesFramingham, US
Anand Varadan(Director)inRichard Batycky(Director)Peter Ludlum(Interim CEO; Interim CFO)Hojabr Alimi(Executive Officer)Sameer Harish(Executive Officer)
BoardRichard Conley(Director)
Board seatTerrance McGuire· per SEC Form D · $3.7M raise · filed Dec 2018
Co-investors5AM VenturesARCH Venture Partners
Scholar Rock is a biopharmaceutical company that develops therapies targeting growth factor proteins to treat serious diseases.
BiotechCambridge, US
Nagesh Mahanthappa(Executive Officer, Director)inTimothy Springer(Director)
BoardKristina Burow(Director)inKatrine Bosley(Director)Michael Gilman(Director)
Board seatAmir Nashat· per SEC Form D · $40M raise · filed Jan 2016
Co-investorsAisling CapitalARCH Venture PartnersEcoR1 Capital
Clinical-stage biopharmaceutical company focused on discovery and development of innovative medicines for serious diseases by targeting the Transforming Growth Factor Beta pathway.
BiotechCambridge, US
Nagesh Mahanthappa(Executive Officer, Director)Timothy Springer(Director)Yung H. Chyung(Executive Officer)Elan Z. Ezickson(Executive Officer)Alan Buckler(Executive Officer)
Board seatAmir Nashat· per SEC Form D · $47M raise · filed Jan 2018
Co-investorsSamsara BioCapitalARCH Venture Partners
BiotechBoston, US
Omid Farokhzad(Director)inPhilip Ma(Executive Officer)Shadi Aryanpour(Executive Officer)David Singer(Director)
BoardRobert Langer(Director)
Board seatTerrance McGuire· per SEC Form D · $6M raise · filed Jan 2018
Vaccinex is a clinical-stage biotechnology company developing pepinemab (VX15/2503), a humanized monoclonal antibody that blocks SEMA4D signaling, in trials for neurological disorders such as Huntington's and Alzheimer's disease and for solid tumors including breast cancer, melanoma, non-small cell lung cancer and head and neck cancer.
BiotechHealthtechMedical DevicesRochester, US
Maurice Zauderer, Ph.D.(Director, Executive Officer)Maurice Zauderer(Executive Officer, Director)inElizabeth Evans(Executive Officer)inErnest S. Smith Ph.D.(Executive Officer)Jill Sanchez(Executive Officer)inErnest S. Smith(Executive Officer)in
Board seatAlan Crane· per SEC Form D · $18.2M raise · filed Jul 2017
BiotechBoston, US
Mary DiBiase(Executive Officer)inChristophe Arbet-Engels(Executive Officer)David Kirske(Executive Officer)John Volpone(Executive Officer)inMark Baldry(Executive Officer)Adam Craig(Executive Officer, Director)
Board seatAmy SchulmanTerrance McGuire· per SEC Form D · $50.5M raise · filed May 2017
Co-investorsOmega Funds
Leyden Labs develops nasal sprays containing antibodies that target respiratory viruses such as influenza and COVID at the nasal mucosa to prevent initial infection and transmission.
BiotechDeep TechHealthtechLeiden, NL
Koenraad Wiedhaup(Founder & Chief Executive Officer)inRonald Brus(Founder & Chief Growth Officer)inJaap Goudsmit(Founding Scientist and Senior Advisor)inDinko Valerio(Founder and Chair of the Supervisory Board)inJintanat Ananworanich(Chief Medical Officer)inClarissa Koch(Chief Scientific Officer)in
Co-investorsClavystBioF-Prime CapitalGV (Google Ventures)Bluebird VenturesCasdin CapitalEuropean Innovation Council Fund+5 more
Bedford, US
Franciscus J.A. van Mierlo(Executive Officer, Director)
BoardReidar Langmo(Director)Robert Metcalfe(Director)Carmichael Roberts(Director)Yasheng Huang(Director)Bruce Sohn(Director)
Board seatAmir Nashat· per SEC Form D · $30M raise · filed May 2016
Co-investorsNorth Bridge Venture Partners
Watertown, US
Maria Palasis(Director, Executive Officer)
BoardRobert Langer(Director)Guido Neels(Director)Richard Mott(Director)Carmichael S. Roberts(Director)
Board seatTerrance McGuire· per SEC Form D · $6M raise · filed Nov 2016
Co-investorsBroadview VenturesNorth Bridge Venture Partners
US agricultural biotech that discovered microbe-based crop protection products; its assets were sold to Certis Biologicals and Ginkgo Bioworks in 2024.
AgTechResearch Triangle Park, US
Scott Uknes(Manager)inEric Ward(Manager)Paul Schulze-Lefert(President)Michael Koziel(Vice President and Manager)
BoardThomas Dietz(Manager)Kristina Burow(Manager)in
Board seatAmir Nashat· per SEC Form D · $117.2M raise · filed Feb 2022
Co-investorsAliment CapitalBlue Horizon CorporationPontifax AgTechARCH Venture PartnersNovalis LifeSciences
HealthtechWaltham, US
Tillman Gerngross(Executive Officer, Director)
Board seatAmy Schulman· per SEC Form D · $10M raise · filed Dec 2022
Co-investorsAtlas Venture
Ankyra Therapeutics is a biopharmaceutical company developing drugs, with a team that has collectively contributed to bringing seven drugs to global market approval.
BiotechDeep TechHealthtechMedical DevicesAustin, US
Tillman Gerngross(Executive Officer, Director)
Board seatTerrance McGuire· per SEC Form D · $14.5M raise · filed May 2020
Co-investorsGV (Google Ventures)Fidelity InvestmentsMithril Capital ManagementSands Capital VenturesSpring Mountain Capital
Phoenix, US
Mark Verstegen(Executive Officer, Director)Dan Burns(Executive Officer, Director)Peter Hotz(Director)Timothy Kilgallon(Director)Rick Smith(Executive Officer)Jonathan Flint(Director)in
Board seatJonathan Flint· per SEC Form D · $193.8K raise · filed Feb 2016
Co-investorsABS Capital Partners
BiotechNewton, US
Katharine Yen(Executive Officer, Director)Kate Yen(Founder)inChristopher Guiffre(Executive Officer)
BoardAlon Lazarus(Director)Anna French(Director)
Board seatAlexandra Cantley· per SEC Form D · $42.3M raise · filed Dec 2025
Co-investorsDCVC (Data Collective)
Marblehead, US
Scott Cousino(Director)Ronald Geraty(Executive Officer, Director)
Board seatAlexandra Cantley· per SEC Form D · $8.2M raise · filed Nov 2022
BiotechPortland, US
Benjamin J. Shaw(Executive Officer, Director)
BoardEdward L. Cahill(Director)
Board seatTerrance G. McGuire· per SEC Form D · $14.5M raise · filed Apr 2021
ByHeart is an infant formula company that manufactures science-driven baby formula with its own manufacturing process and supply chain.
ConsumerDirect to ConsumerFoodTechHealthtechNew York, US
Mia B. Funt(Executive Officer, Director)inRon Belldegrun(Co-founder)inMia Funt(Founder)inMia(Co-founder)Georg Krause-Vilmar(Executive Officer)inNiall Mullane(Executive Officer)in
Board seatAmy Schulman· per SEC Form D · $95.5M raise · filed May 2026
Co-investorsEvolution VC PartnersOCV PartnersRed Sea VenturesVida Ventures
BiotechBurlington, US
Michael Mendelsohn(Executive Officer, Director)
BoardEvan Rachlin(Director)Peter Lawrence(Executive Officer, Director)Edward Mathers(Director)Adam Koppel(Director)inNicholas Downing(Director)
Board seatAmy Schulman· per SEC Form D · $17.5M raise · filed Dec 2022
Co-investorsBain Capital Life SciencesBain CapitalBain Capital Tech OpportunitiesNEA SecondaryThird Rock Ventures
Cambridge, US
Ying Kai Chan(Executive Officer, Director, Promoter)inAndrew Dick(Director, Promoter)
BoardKhoo Shih(Director)
Board seatAlexandra Cantley· per SEC Form D · $15.7M raise · filed Aug 2025
Crossbow Therapeutics develops TCR-mimetic antibody therapies designed to target cancer antigens by mimicking T-cell receptors, with a focus on treating solid tumors and hematologic malignancies.
AI & Machine LearningBiotechMedical DevicesCambridge, US
Alexander Nolte(Executive Officer)inDmitri Wiederschain(Executive Officer)in
BoardSakae Asanuma(Director)inBriggs Morrison(Executive Officer, Director, Promoter)inIrena Melnikova(Director)in
Board seatAlexandra Cantley· per SEC Form D · $80M raise · filed Sep 2025
Co-investorsMPM BioImpactPfizer Venture InvestmentsBiotechnology Value FundMirae Asset Venture InvestmentPfizer VenturesTaiho Ventures, LLC
Dewpoint Therapeutics develops condensate-modulating drugs by using an integrated platform that maps, measures, and modulates biomolecular condensates to identify druggable targets and disease mechanisms.
AI & Machine LearningBiotechDeep TechBoston, US
Richard Young, Ph.D.(Director)Anthony Hyman, Ph.D.(Director)Tony Hyman(Scientific Co-founder)Rick Young(Scientific Co-founder)Elisabeth Leiderman(Executive Officer)inAmeet Nathwani, M.D.(Executive Officer, Director)in
Board seatAmir Nashat· per SEC Form D · $150M raise · filed Feb 2022
Co-investorsARCH Venture PartnersEcoR1 CapitalSamsara BioCapital6 Dimensions CapitalGeneral CatalystInnovation Endeavors+5 more
On-demand alcohol delivery platform providing consumers with a better way to shop for wine and spirits
Sherborn, US
Justin Robinson(Executive Officer)inNicholas Rellas(Executive Officer, Director)James Cory Rellas(Executive Officer)
BoardWalt Doyle(Director)Barkley Stuart(Director)
Board seatPat Kinsel· per SEC Form D · $34.6M raise · filed Dec 2018
Co-investorsAvenir Growth CapitalEdmonton UnlimitedWinklevoss CapitalAvenirSuffolk Equity PartnersTiger Global Management
Epibiologics develops protein degradation medicines using protein sciences and antibody engineering capabilities.
BiotechMedical DevicesSan Mateo, US
Ann Lee-Karlon(Executive Officer, Director)inMitchell Mutz(Executive Officer, Director)James Wells(Director)
BoardSamuel Bjork(Director)Seiji Miyahara(Director)
Board seatAlexandra Cantley· per SEC Form D · $73M raise · filed Apr 2024
Co-investorsAvego BioScience CapitalGV (Google Ventures)Mission BiocapitalNovartis Venture FundRoche Venture FundSamsara BioCapital+3 more
Seattle biotech that developed FDY-5301 for cardiac and skeletal muscle injury; ceased operations in February 2026.
BiotechSeattle, US
Mark Roth(Executive Officer, Director, Promoter)Brian Blackman(Executive Officer)Simon Tulloch(Executive Officer)Stephen Hill(Executive Officer, Director)
BoardPaulina Hill(Director)Steven Gillis(Executive Officer, Director, Promoter)in
Board seatTerrance McGuire· per SEC Form D · $102.8M raise · filed Nov 2022
Co-investorsARCH Venture PartnersOUP (Osage University Partners)
Philadelphia, US
Gabriel Otte(Executive Officer, Director)
BoardCharles Roberts(Director)
Board seatAmir Nashat· per SEC Form D · $270M raise · filed Aug 2020
Co-investorsAndreessen HorowitzRA Capital
Cambridge, MA biotechnology company developing injectable synthetic biomarkers for noninvasive disease staging and treatment monitoring.
BiotechCambridge, US
Gabriel Kwong(Executive Officer)Sirshendu Roopom Banerjee(Executive Officer)
BoardTheresia Guow(Director)Stan Lapidus(Director)
Board seatAmy Schulman· per SEC Form D · $18M raise · filed Dec 2021
Co-investorsGreatPoint VenturesAcrew CapitalAspect VenturesCatalio Capital ManagementDns CapitalNew Leaf Venture Partners+2 more
New York, US
Mark Alexander(Executive Officer, Director)Anthony Sciortino(Executive Officer)John Heath(Executive Officer)Brant Wutzl(Executive Officer)inGregg Rubin(Executive Officer, Director)
BoardHallbjorn Karlsson(Director)
Board seatTerrance McGuire· per SEC Form D · $9.1M raise · filed Jan 2017
Iora Health was a primary care company focused on value-based care for Medicare-eligible seniors, operating clinics with a team-based model including health coaches.
Digital HealthHealthtechWellness & FitnessSan Francisco, US
RUSHIKA FERNANDOPULLE(Executive Officer, Director)inCHRISTOPHER J. MCKOWN(Executive Officer, Director)DAVID FIELDING(Executive Officer)ALEXANDER PACKARD(Executive Officer)inDAVID JUDGE(Executive Officer)
BoardSTEPHEN KNIGHT(Director)in
Board seatTerry McGuire· per SEC Form D · $48.2M raise · filed Sep 2015
Co-investors.406 VenturesDag VenturesF-Prime CapitalFlare Capital PartnersGV (Google Ventures)Lifeforce Capital+5 more
Ironwood Pharmaceuticals is a gastrointestinal (GI) healthcare company focused on developing treatments for GI diseases.
BiotechDigital HealthHealthtechCambridge, US
PETER M. HECHT(Executive Officer, Director)inMARK G. CURRIE(Executive Officer)inHALLEY E. GIBLERT(Executive Officer)THOMAS GRANEY(Executive Officer)THOMAS A. MCCOURT(Executive Officer)in
Board seatTerrance G. Mcguire· per SEC Form D · $150M raise · filed Oct 2016
Co-investorsF-Prime CapitalMountain Group CapitalRidgeback CapitalVenrockMaverick Ventures
Boston, US
Board seatTerrance G. McGuire· per SEC Form D · $50M raise · filed Aug 2021
Co-investorsVersant Ventures
Kallyope is a biotechnology company founded by neuroscientists that discovers and develops novel therapeutics targeting neural networks, with a lead candidate in pivotal studies for acute migraine treatment and metabolism programs approaching clinical studies.
BiotechHealthtechNew York City, US
Tom Maniatis(Director)Nancy Thornberry(Executive Officer, Director)inKenneth Clark(Executive Officer)
BoardJoshua Wolfe(Director)inTim Kutzkey(Director)
Board seatTerry McGuire· per SEC Form D · $44M raise · filed Oct 2016
Co-investorsDns CapitalIllumina VenturesLux CapitalThe Column Group
BiotechWatertown, US
Carlo Giovanni Traverso(Director)Amy W. Schulman(Executive Officer, Director)inRobert S. Langer(Director)
BoardZafi Avnur(Director)Edmund Harrigan(Director)Catherine Reynolds(Director)
Board seatAmy Schulman· per SEC Form D · $206.1M raise · filed Dec 2023
Co-investorsBill & Melinda Gates FoundationGilead SciencesInvusKendall Capital Partners
San Diego clinical-stage biopharma developing non-bile acid FXR agonists for liver and gastrointestinal diseases.
BiotechSan Diego, US
Ronald Evans(Director)Trisha Millican(Executive Officer)Ken Song(Executive Officer, Director)
BoardKristina Burow(Director)inRichard Heyman(Director)in
Board seatAmir Nashat· per SEC Form D · $37.8M raise · filed Nov 2016
Co-investorsage1EcoR1 CapitalLAVLilly Asia VenturesNew Enterprise Associates (NEA)Vivo Capital+2 more
HealthtechLexington, US
Robert S. Langer(Director)Michael J. Cima(Director)David Neafus(Executive Officer)Cheryl R. Blanchard(Executive Officer, Director)Robert Farra(Executive Officer)
Board seatTerrance G. McGuire· per SEC Form D · $18.6M raise · filed Jun 2015
Co-investorsKendall Capital Partners
BiotechWaltham, US
Timothy Springer(Director)Praveen Tiprirneni(Executive Officer, Director)Robert Farrell(Executive Officer)in
BoardBarbara Dalton(Director)Ramy Farid(Director)Kevin Bitterman(Director)in
Board seatAmir Nashat· per SEC Form D · $100M raise · filed Mar 2023
Co-investorsAtlas VentureOmega Funds
BiotechCambridge, US
Rick Lundberg(Executive Officer)George P. Vlasuk(Executive Officer, Director)in
BoardJean-Francois Formela(Director)inMarian Nakada(Director)Brian Gallagher(Director)in
Board seatAlan Crane· per SEC Form D · $25M raise · filed Mar 2018
Co-investorsage1Brace PharmaSanofi VenturesAtlas VentureSR One Capital Management
Noetik builds AI models to identify cancer patients most likely to respond to treatments and to discover new oncology drug targets.
AI & Machine LearningBiotechHealthtechSouth San Francisco, US
Jacob Rinaldi(Executive Officer, Director, Promoter)inRonald Alfa(Executive Officer, Director, Promoter)Ron Alfa, MD, PhD(Founder)in
BoardJames Hardiman(Director)in
Board seatAmy Schulman· per SEC Form D · $40M raise · filed Aug 2024
Co-investors11.2 CapitalBreakout VenturesLinearis VenturesNorth South VenturesCatalio Capital ManagementDCVC (Data Collective)+2 more
Nomad Health operates an online marketplace that matches travel nurses and allied health clinicians with temporary healthcare jobs based on their profiles and preferences.
Digital HealthHealthtechMarketplacesNew York, US
Alexander Nazem(Director)inMaxwell Laurans(Director)Alexi Nazem(Co-Founder & Board Member)inJustin Lambert(CEO)inWilliam Eager(Vice President of Engineering)Alexander Pease(Vice President of Product)
Board seatBrian Chee· per SEC Form D
Co-investorsAlleyCorpIcon Ventures.406 VenturesAdams Street PartnersFirst Round CapitalHealthQuest Capital+1 more
BiotechCambridge, US
Jo Viney(Executive Officer)Rahul Kakkar(Executive Officer, Director)inAnthony Coyle(Executive Officer, Director)Christopher Fuglesang(Director)Donald Frail(Director)Daniel Becker(Director)
Board seatAlan Crane· per SEC Form D · $80M raise · filed Apr 2020
Co-investorsAccess BiotechnologyVersant Ventures
Podimetrics offers a remote monitoring and care program for people with complex diabetes, centered on the SmartMat device that collects foot-health data to enable early intervention and prevent complications such as amputations.
Digital HealthHealthtechMedical DevicesSomerville, US
David Linders(Executive Officer, Director)inJonathan Bloom(Executive Officer, Director)
BoardAaron Sandoski(Director)in
Board seatAlexandra Cantley· per SEC Form D · $60M raise · filed Apr 2022
Co-investorsNorwich VenturesScientific Health DevelopmentSV Health InvestorsRock Health
Primmune Therapeutics develops PRTX007, an orally administered, systemically active TLR7 agonist that activates interferon-associated innate immune pathways for use in cancer immunotherapy.
BiotechHealthtechCarlsbad, US
James Appleman(SVP, R&D and CSO, Cofounder)Paulo Rangel(Chief Business Officer and Cofounder)inStephen Webber(Vice President, Medicinal Chemistry, and Cofounder)inCharles McDermott(President & CEO, Director)
BoardTodd J Harris(Director)
Board seatAmir Nashat· per SEC Form D · $24M raise · filed Nov 2020
Co-investorsBioBritBioRock VenturesSamsara BioCapital
BiotechLexington, US
Robert Clarke(Chief Executive Officer and Member of the Board of Directors)David Hava(Chief Scientific Officer)David Edwards(Director)
BoardSteven Gillis(Director)David Maki(Director)
Board seatTerrance McGuire· per SEC Form D · $34.1M raise · filed Jun 2015
Co-investors5AM Ventures
QurAlis develops precision therapies for amyotrophic lateral sclerosis (ALS) and related neurodegenerative diseases by targeting specific disease-causing genetic drivers and molecular mechanisms.
BiotechDeep TechMedical DevicesCambridge, US
Kevin Eggan(Co-founder)inRoet(Co-founder)Woolf(Co-founder)Kasper Roet(Director, Executive Officer, Promoter)inShafique Virani(Executive Officer)inJason Brown(Mr. Brown is the Chief Financial Officer of the Issuer.)in
Board seatAmy Schulman· per SEC Form D · $24.9M raise · filed Sep 2025
Co-investorsDroia VenturesMC Healthcare VenturesMission BiocapitalMitsui Global InvestmentSanofi VenturesSV Health Investors+6 more
Seismic Therapeutic is a clinical-stage biotechnology company that uses machine learning to discover and develop immunology therapies for autoimmune diseases.
AI & Machine LearningBiotechDeep TechMedical DevicesBoston, US
Timothy A. Springer(Scientific Advisor / Founder)Jo Viney, PhD(Founder, President and Chief Executive Officer)Alan Crane(Founder and Chairman of Seismic Therapeutic; Polaris Partners)Tim Springer, PhD(Founder of Seismic Therapeutic; Harvard Medical School and Boston Children's Hospital)Debora Marks, PhD(Founder)Andrew Kruse, PhD(Founder)
Board seatAlan Crane· per SEC Form D · $146.3M raise · filed Sep 2024
Co-investorsBessemer Venture PartnersGV (Google Ventures)Mana Ventures
Minneapolis, US
Sara Taylor(Executive Officer)Mike Christy(Executive Officer)Gregory Johnson(Executive Officer)Ken Ehlert(Executive Officer, Director)Mark Briesacher(Executive Officer)Mark Pollmann(Executive Officer)
Board seatAmy Schulman· per SEC Form D · $1.5M raise · filed Nov 2025
BiotechCambridge, US
HOWARD BERNSTEIN(Executive Officer)HOWARD WEISMAN(Executive Officer, Director)
BoardROBERT LANGER(Director)ANUPENDRA SHARMA(Director)HARRY WILCOX(Director)
Board seatAlan Crane· per SEC Form D · $10M raise · filed Sep 2017
Co-investorsFlagship PioneeringFlagship VenturesNewpath Partners
Sofregen develops silk protein-based biomaterials and medical devices for soft tissue regeneration in aesthetic and surgical procedures.
BiotechHealthtechMedical DevicesNew MaterialsCambridge, US
Milan Kofol(Executive Officer)Doug Sheldon(Director)Anh Hoang(Executive Officer)Howard Weisman(Executive Officer, Director)
Board seatAmir Nashat· per SEC Form D · $9.7M raise · filed Sep 2017
Co-investorsAnzu Partners
Cambridge, US
Board seatAlexandra Cantley· per SEC Form D · $23.2M raise · filed May 2023
Cambridge, MA gene-control biopharma that developed tamibarotene for RARA-overexpressing blood cancers; now in wind-down.
Cambridge, US
Board seatAmir Nashat· per SEC Form D · $121.6M raise · filed Dec 2020
Co-investorsARCH Venture PartnersSamsara BioCapital
Tectonic is a clinical-stage biotechnology company developing therapeutic proteins and antibodies that target G-Protein Coupled Receptors (GPCRs) using a proprietary platform called GEODe™.
AI & Machine LearningBiotechMedical DevicesWatertown, US
Timothy A. Springer(Co-Founder)Andrew C. Kruse(Director)Alise Reicin(Executive Officer, Director)inDaniel Lochner(Executive Officer)Marc Schwabish(Executive Officer)inPeter McNamara(Executive Officer)in
Board seatTerry McGuire· per SEC Form D · $80.1M raise · filed Apr 2021
Co-investorsEcoR1 CapitalVida VenturesAlly Bridge GroupClarusSoleus Capital
BiotechSouth San Francisco, US
M. Johnston Erwin Jr.(Executive Officer, Director)
BoardEric Pham(Director)Travis Coy(Director)Carol Gallagher(Director)Joel Marcus(Director)Michael Ross(Director)
Board seatAlexandra Cantley· per SEC Form D · $85M raise · filed Nov 2024
BiotechWaltham, US
Garry Nicholson(Executive Officer, Director)Edward Freedman(Executive Officer)Rakesh Jain(Director)
BoardRobert Langer(Director)David Mott(Director)
Board seatAlan Crane· per SEC Form D · $22M raise · filed Sep 2016
Co-investorsCTI Life Sciences Fund L.P.
Allstacks is an AI-agent platform that connects data from software development tools (Jira, GitHub, GitLab, Jenkins) to provide engineering teams and leaders with delivery metrics, risk alerts, and recommendations for planning, managing, and optimizing software creation.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareRaleigh, US
Jeremy Freeman(Founder)inHersh Tapadia(Founder)inDarrell J. Freeman, Jr.(Executive Officer, Director)Scot Sherwood(Director)
BoardAndrew Drylie(Director)inFiras Raouf(Director)in
Co-investorsAtlassian VenturesCompanyon VenturesCreativeCoFirst Rays Venture PartnersGutbrain VenturesHyperplane Venture Capital+7 more
Baxter Planning provides software and services for service supply chain management, serving enterprises managing complex operational logistics and supplier networks.
AI & Machine LearningEnterprise SoftwareLogistics & Supply ChainSaaS
Anton Chilton(Chief Executive Officer)in
Co-investorsGolub GrowthMarlin Equity Partners
Dyno Therapeutics develops artificial intelligence-powered genetic technologies for gene therapy, specifically engineering adeno-associated virus (AAV) capsids to improve gene delivery for treating genetic diseases.
AI & Machine LearningBiotechWatertown, US
Eric Kelsic(CEO & Cofounder)inSam Sinai(Vice President, Head of ML & Cofounder)inAdrian Veres(Chief Scientific Officer & Cofounder)inGeorge Church(Scientific Cofounder)inTomas Bjorklund(Scientific Co-founder)inAlan Crane(Executive Chairman & Cofounder, Polaris Entrepreneur Partner)
Co-investorsAndreessen HorowitzCRV (Charles River Ventures)GENERAL INCEPTIONGV (Google Ventures)Lux CapitalObvious Ventures+2 more
Egnyte provides software for protecting and managing business-critical content across organizations of all sizes.
AI & Machine LearningCloud ComputingCybersecurityEnterprise Software
Vineet Jain(Chief Executive Officer)inAmrit Jassal(Founder)in
Co-investorsTA AssociatesGI PartnersFloodgateGolub GrowthW Capital PartnersGV (Google Ventures)+1 more
FOLX is a digital healthcare platform designed for LGBTQIA+ adults, providing inclusive and affirming medical care.
Digital HealthHealthtechBoston, US
A.G. Breitenstein(Founder)inLena Ballantine(Executive Officer)inLiana M Guzman Weis(Executive Officer, Director)
BoardLynne Chou O'Keefe(Director)inMorgan Cheatham(Director)inLee Shapiro(Director)in
Co-investors7wire VenturesBessemer Venture PartnersCorewell Health VenturesDefine VenturesHabitat PartnersSeae Ventures+2 more
AI & Machine LearningEnterprise SoftwareHR TechSaaSNew York, US
Joe Essenfeld(Executive Officer, Director)in
BoardNilanjana Bhowmik(Director)Ross Goldstein(Director)Peter Flint(Director)R. Douglas Higgins(Director)Jim Baum(Director)
Co-investorsConvergeMontage CapitalRunway Growth CapitalSapphire VenturesDFJGotham Ventures+1 more
Boulder, US
Charles Smith(Chief Research Officer)inPeter Hoversten(Chief Operating Officer)Robert Burgin(Chief Executive Officer)Terry Erdle(SVP Sales)JK Hullett(Chief Financial Officer)
BoardJeffrey T. Leeds(Director)
KSQ Therapeutics develops eTIL therapies—engineered tumor-infiltrating lymphocyte treatments for solid tumors—using its proprietary CRISPRomics platform to identify and target novel therapeutic candidates through genome-wide CRISPR/Cas9 functional genomic screens.
AI & Machine LearningBiotechMedical DevicesCambridge, US
Tim Wang(Cofounder)JOHN TRZUPEK, PH.D.(TREASURER, SECRETARY & CHIEF FINANCIAL OFFICER)DAVID P. MEEKER, M.D.(PRESIDENT AND CHIEF EXECUTIVE OFFICER)inFRANK STEGMEIER, PH.D.(CHIEF SCIENTIFIC OFFICER)JAMES GILBERT(Director)
BoardALAN L. CRANE(Director)
Co-investorsAlpha Wave GlobalARCH Venture PartnersFlagship PioneeringLAVLG Technology VenturesLilly Asia Ventures+1 more
Lob provides software and hardware infrastructure for automating, personalizing, and tracking direct mail campaigns at scale.
Enterprise SoftwareLogistics & Supply ChainMarketing TechSaaSNew York City, US
Harry Zhang(Founder)inLeore Avidar(Founder)inEduardo Browne(Executive Officer)Donnell Vanker(Executive Officer)
Co-investorsFloodgateFrontline VenturesStructural CapitalTodd and Rahul’s Angel FundY CombinatorFirst Round Capital+3 more
Localytics is an AI implementation firm that builds, integrates, and operates marketing AI systems for enterprise consumer brands.
AI & Machine LearningEnterprise SoftwareMarketing TechSaaSBoston, US
John Dobrowolski(CEO)inDerick Thompson(VP of Operations)inJuan Yrigoyen(Head of Product)inJoey Rahman(Head of Engineering)inCarl Jones(CTO)
Co-investorsBantam GroupLaunchCapitalMI VenturesSapphire VenturesTechstarsFoundation Capital
AI & Machine LearningCloud ComputingCybersecurityData & InfrastructureEnterprise Software
Co-investorsFrontline VenturesFloodgate
Matter develops a consumer iOS app that helps users track positive emotions and brain activity to improve subjective well-being.
AI & Machine LearningConsumerHealthtechMental HealthWellness & Fitness
Axel Bouchon(Founder)Ben Goldhirsh(Co-founder)inChris Shiflett(Co-founder)in
Co-investorsARCH Venture PartnersCollaborative FundExor Ventures
Qstream offers a microlearning platform with AI tools that turn existing content into short, scenario-based training courses.
AI & Machine LearningEdTechSaaSBurlington, US
Duncan Lennox(Executive Officer, Director, Promoter)inBranch Price Kerfoot(Director)
BoardHambleton Lord(Director)inShay Garvey(Director)inGaye Bok(Director)Harold Copperman(Director)
Co-investorsDelta PartnersExcel Venture ManagementLaunchpad Venture GroupEnterprise IrelandBantam GroupFrontline Ventures
Customer experience management software combining content, commerce, and data into one connected platform for context marketing.
AI & Machine LearningEnterprise SoftwareMarketing Tech
Eric Stinein
Co-investorsFrontline VenturesTola CapitalEQTTechnology Crossover Ventures
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.
Exits · 20
IPOs and acquisitions across the tracked portfolioAdagio TherapeuticsNASDAQ: IVVDAlectorNASDAQ: ALECaTYR PHARMANASDAQ: ATYRCamp4 Therapeutics CorpNASDAQ: CAMPCardlyticsNASDAQ: CDLXCartesian Therapeutics (NASDAQ: RNAC)NASDAQ: RNACCyclerion TherapeuticsNASDAQ: CYCNDare BioscienceNASDAQ: DAREFate TherapeuticsNASDAQ: FATEFractylNASDAQ: GUTSPulmatrixNASDAQ: PULMScholar RockNASDAQ: SRRKScholar Rock Holding Corp, Inc.NASDAQ: SRRKSeer BiosciencesNASDAQ: SEERVaccinexOTC: VCNXX4 PharmaceuticalsNASDAQ: XFORIora Healthacq. by One MedicalJibeacq. by iCIMSLocalyticsacq. by Upland SoftwareLogEntriesacq. by Rapid7
Portfolio news
latest coverage across their companiesCyclerion Therapeutics · thestockobserver.com · Sep 3, 2026
Dare Bioscience · stocktitan.net · Aug 24, 2026
Fate Therapeutics · sahmcapital.com · Aug 14, 2026
Ironwood Pharmaceuticals · marketbeat.com · Aug 11, 2026

Cardlytics · investing.com · Aug 5, 2026
Freenome Holdings · investing.com · Jul 20, 2026
Fund performance · per public LP disclosures · 3
as of Jun 2025| Fund | Vintage | Committed | Net IRR | TVPI | DPI |
|---|---|---|---|---|---|
| Polaris Growth FundLPs: Los Angeles City Employees' Retirement System, Pension Reserves Investment Management Board | 2018 | — | 36.8% | 2.86x | 0.57x |
| Polaris Partners VIIILPs: Hawaii Employees' Retirement System, Los Angeles City Employees' Retirement System | 2017 | — | 15.8% | 2.08x | 1.10x |
| Polaris Partners VIILPs: Los Angeles City Employees' Retirement System, Hawaii Employees' Retirement System | 2014 | — | 8.5% | 1.88x | 0.68x |
Source: public limited-partner disclosures (CalPERS, CalSTRS). Net IRR / TVPI / DPI as reported by the limited partner; a fund's early-year IRR is an interim estimate (J-curve).
Frequently asked questions
- What stage does Polaris Partners invest at?
- Polaris Partners invests at the Seed, Series A, Series B, Series C, Growth stages.
- What is Polaris Partners's typical check size?
- Polaris Partners typically writes checks of $500K – $5M.
- What sectors does Polaris Partners focus on?
- Polaris Partners focuses on Biotech, Consumer, Digital Health, Healthtech.
- Where is Polaris Partners located?
- Polaris Partners is headquartered in Boston, US.
Media · Podcasts & interviews
featuring the teamTech Investing Mastermind: Terry McGuire- Co-founder of Polaris Partners & Chairman Emeritus of NVCA
Grace Gong · Terry McGuire
Fireside Chat with Robert Langer (KI) and Terry McGuire (Polaris Partners)
KochInstituteMIT · Terry McGuire
Co-investors · 136
ARCH Venture Partners is a venture capital firm that invests in and helps build transformational companies, with a strong focus on the life sciences and biotechnology sector.
GV (Google Ventures) is a venture capital firm that has invested in artificial intelligence and machine learning since its early days, building a global portfolio of more than 100 AI companies across infrastructure, life sciences, and applications.
Andreessen Horowitz (a16z) is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz, known for pioneering the platform model with a large team of operators supporting founders across stages.
Bessemer Venture Partners is a global venture capital firm that partners with entrepreneurs across enterprise, consumer, and healthcare sectors from early stages through growth.
Floodgate is a venture capital fund that backs founders at the earliest stages, positioning itself as their first true believers.
F-Prime Capital is an early-stage-focused investment firm backing companies across life sciences, technology, healthtech and services, and crypto.
Atlas Venture is a life sciences venture capital firm with three decades of experience investing in and building biotech and medical innovation companies, including startups launched from its own incubator.
5AM Ventures is a life science venture capital firm founded in 2002 that invests primarily in private therapeutic companies, with a focus on biopharmaceuticals, drug delivery technologies, and life science instruments.
Sanofi Ventures is the corporate venture capital arm of Sanofi, investing in early-stage biotech and digital health companies focused on improving human health. It serves as Sanofi's entry point into the innovation ecosystem.
Mithril Capital Management is a multi-billion-dollar investment firm launched in 2012 with a 'Building to Last' mission, backing technology teams building durable businesses in industries overdue for change. Its committed funds are anchored by investor Peter Thiel.
SV Health Investors is a healthcare-focused investment firm that invests across multiple stages, geographies and healthcare sectors.
Mission BioCapital provides early-stage capital and shared lab space to life science entrepreneurs, supporting companies from idea through clinic and exit.
▶124 more co-investors
TechstarsDCVC (Data Collective)Sapphire VenturesVenrockLocus Ventures.406 VenturesVersant VenturesFlagship PioneeringVivo CapitalVida VenturesGeneral CatalystFoundation CapitalCRV (Charles River Ventures)Canaan PartnersRRE VenturesObvious VenturesSoftBank Vision FundZetta Venture PartnersWildcat Venture PartnersRA CapitalFlare Capital PartnersGreatPoint VenturesEQT Life SciencesSR One Capital ManagementMPM BioImpactPfizer Venture InvestmentsDigitalis VenturesAisling CapitalDefine VenturesQiming Venture PartnersHealthQuest CapitalCatalio Capital Management, LPBroadview VenturesLightspeed Venture PartnersKhosla VenturesGreylock PartnersFounder CollectiveUncork CapitalInsight PartnersBenchmarkFelicis VenturesFJ LabsMenlo VenturesCoatue ManagementB Capital GroupNorwest Venture PartnersEniac VenturesGoat CapitalNextView VenturesBling CapitalOak HC/FTC2 InvestmentsFreestyle CapitalHeadlineScale Venture PartnersStellar CapitalMeritech Capital PartnersResolute VenturesStride VCBonfire VenturesNext47MaveronLowercase Capital01 AdvisorsHarrison MetalUS Venture PartnersBAM VenturesAccompliceVillage Global75 & SunnyUnusual VenturesBetter Tomorrow VenturesStandard CapitalNextGen Venture PartnersSaga Ventures23andMeLeft Lane CapitalMoxxie VenturesOrbiMedJavelin Venture PartnersBreakthrough Energy VenturesHighland Capital Partnersfoobar.vcOwl VenturesHoxton VenturesScrum VenturesVitalStage VenturesAmasiaHighbury HoldingsBIOSPRING PARTNERSSamsung NextArtis VenturesTen ElevenS32Strata Capital PartnersForbionJohnson & Johnson Innovation – JJDCPillar VCAscension VenturesAutotech VenturesDomain AssociatesAsset Management VenturesMarket One CapitalAbingworthFirefly HealthbyFoundersKurma PartnersRepublic Capital (ex Republic Labs)Advent Life SciencesVinyl CapitalRiverVest Venture PartnersApollo Health VenturesAlta PartnersCofounders Capital+ND CapitalaMoonMedical Excellence CapitalPontifax Venture CapitalAvoro Capital AdvisorsVertex Ventures HCBorealis VenturesACORN BIOVENTURESAltitude Ventures Management, Llc3TS Capital Partners
Firms observed investing alongside Polaris Partners, from public investor directories. Shared companies are the overlap with Polaris Partners's recorded portfolio.
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