Fundraising Fox

Polaris Partners

Venture capitalActively deployingoperating company · company profile

Boston · Seed–Growth · 36 people tracked

Also known as Polaris Growth Fund · POLARIS GROWTH MANAGEMENT, LLC

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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 Aug 25, 2026.

Stage
Seed–Growth
Check
$500K – $5M
HQ
Boston, Massachusetts, US
Instruments
Equity
Founded
1995
Last 12 months
10 investments
AUM
$4.2B
Tracked investments
78

Team · 36 people

from the firm's website & public directories
Chen-Ee Lee· Partner
Darren Carroll· Partnerin
Joanna Zesiger· Director of Finance
Leah Paquette· Director of Operations and LP Relationsin
Annie Wihongi· Executive Assistant and Office Manager
Daniel Anderson· Scientific Advisory Committee Member
Manik Kuchroo· Senior Associate
Pat Mulach· Vice Presidentin𝕏

Founder mafia

4 people who came through Polaris Partners went on to found or lead other companies.

What they invest in

from 63 of 78 portfolio companies

Biotech ×44Healthtech ×22AI & Machine Learning ×16Medical Devices ×15Enterprise Software ×9Digital Health ×7Deep Tech ×6SaaS ×5

HQs:United States×69Netherlands×1

Investments · 78 tracked

founders shown can be your intro path

By year:2026 · 52025 · 62024 · 52023 · 32022 · 102021 · 42020 · 42019 · 12018 · 32017 · 52016 · 82015 · 1168 dated

Adagio TherapeuticsNASDAQ: IVVDNov 2022SEC filingmedium confidence

BiotechWaltham, US

Tillman U. Gerngross(Executive Officer, Director)Lynn Connolly(Executive Officer)Eric Kimble(Executive Officer)Halley Gilbert(Executive Officer)Rebecca Dabora(Executive Officer)Ellie Hershberger(Executive Officer)

Board seatTerry McGuireTerrance G. McGuire· per SEC Form D · $23.7M raise · filed Nov 2022

Co-investorsMithril Capital ManagementVeltro Argento

Alectoralector.comin𝕏NASDAQ: ALECSep 2015SEC filingmedium confidence

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.)Tillman 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 PHARMAatyrpharma.comNASDAQ: ATYRMar 2015SEC filingmedium confidence

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

Camp4 Therapeutics CorpNASDAQ: CAMPJun 2022SEC filingmedium confidence

BiotechCambridge, US

JOSH MANDEL-BREHM(Executive Officer, Director)RICHARD YOUNG(Director)

BoardMICHAEL HIGGINS(Director)JORGE CONDE(Director)in

Board seatAmir Nashat· per SEC Form D · filed Jun 2022

Co-investors5AM VenturesAndreessen HorowitzLongwood Fund

Cardlyticscardlytics.comin𝕏NASDAQ: CDLXMay 2017SEC filingmedium confidence

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)Kirk Somers(Executive Officer)David Evans(Executive Officer)

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 (NASDAQ: RNAC)cartesiantherapeutics.comin𝕏NASDAQ: RNACDec 2016SEC filingmedium confidence

Cartesian Therapeutics is a biotechnology company developing cell therapies, formed through the November 2023 merger with Selecta.

BiotechHealthtechWatertown, US

Metin Kurtoglu(Executive Officer)Chris Jewell(Executive Officer)Carsten Brunn(President, CEO & Chairman of the Board)inEmily English(Executive Officer)Blaine Davis(Executive Officer)Stephen Smolinksi(Executive Officer)

Board seatAmir Nashat· per SEC Form D · $70M raise · filed Jan 2020

Co-investorsK2 HealthVenturesMaryland TEDCOSchooner CapitalTEDCO

Cyclerion Therapeuticscyclerion.comNASDAQ: CYCNApr 2019SEC filinghigh confidence

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)Ole 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 Capital

Dare Biosciencedarebioscience.comNASDAQ: DAREOct 2016SEC filingmedium confidence

Daré Bioscience is a women's health biotech company that conducts end-to-end clinical development of targeted therapeutics and products for conditions across areas such as contraception, menopause, vaginal infections, and sexual wellness.

BiotechDigital HealthFemTechSan Diego, US

MarDee Haring-Layton(Chief Accounting Officer)Sabrina 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 Therapeuticsfatetherapeutics.comNASDAQ: FATEMay 2015SEC filingmedium confidence

Fate Therapeutics develops clinical-stage cell therapy drug candidates for autoimmune diseases and cancer, using an induced pluripotent stem cell (iPSC) platform to create off-the-shelf, multiplexed-engineered cell products.

BiotechHealthtechSan Diego, US

Christian Weyer(Executive Officer, Director)J. Scott Wolchko(Executive Officer)Daniel Shoemaker(Executive Officer)

BoardJohn Mendlein(Director)William Rastetter(Director)

Board seatAmir Nashat· per SEC Form D · $10.3M raise · filed Aug 2016

Co-investorsSanofi VenturesVenrock

Fractylfractyl.comin𝕏NASDAQ: GUTSJan 2022SEC filingmedium confidence

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)JAY CAPLAN(Executive Officer, Director)Harith Rajagopalan(Executive Officer, Director)inLISA DAVIDSON(Executive Officer)Ajay Royan(Director)Christopher Gabrieli(Director)

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

Pulmatrixpulmatrix.comNASDAQ: PULMDec 2018SEC filingmedium confidence

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)Richard 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 Rockscholarrock.comin𝕏NASDAQ: SRRKDec 2015SEC filingmedium confidence

Scholar Rock is a biopharmaceutical company that develops therapies targeting growth factor proteins to treat serious diseases.

BiotechCambridge, US

Nagesh Mahanthappa(Executive Officer, Director)Timothy 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

Scholar Rock Holding Corp, Inc.NASDAQ: SRRKDec 2017SEC filingmedium confidence

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

Seer BiosciencesNASDAQ: SEERDec 2017SEC filingmedium confidence

BiotechBoston, US

Omid Farokhzad(Director)Philip 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

Tectonic TherapeuticNASDAQ: TECXApr 2021SEC filingmedium confidence

BiotechWatertown, US

Timothy Springer(Director)Andrew Kruse(Director)Timothy A. Springer(Director)Alise Reicin(Executive Officer, Director)Daniel Lochner(Executive Officer)Marc Schwabish(Executive Officer)

Board seatTerry McGuire· per SEC Form D · $80.1M raise · filed Apr 2021

Co-investorsAlly Bridge GroupClarusEcoR1 CapitalSoleus CapitalVida Ventures

Vaccinexvaccinex.comOTC: VCNXMay 2017SEC filingmedium confidence

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)Elizabeth Evans(Executive Officer)Ernest S. Smith Ph.D.(Executive Officer)Jill Sanchez(Executive Officer)Ernest S. Smith(Executive Officer)

Board seatAlan Crane· per SEC Form D · $18.2M raise · filed Jul 2017

X4 PharmaceuticalsNASDAQ: XFORApr 2016SEC filinghigh confidence

BiotechBoston, US

Mary DiBiase(Executive Officer)Christophe Arbet-Engels(Executive Officer)David Kirske(Executive Officer)John Volpone(Executive Officer)Mark 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 Labsleydenlabs.comin✓ verified

Leyden Labs develops nasal sprays that provide immediate protection against entire families of respiratory viruses through passive immunity, without relying on the body's own immune response.

BiotechHealthtechImpact & Social GoodMedical DevicesLeiden, NL

Koenraad Wiedhaup(Founder & CEO)inRonald Brus(Founder and Chief Growth Officer)inJaap Goudsmit(Founding Scientist and Senior Advisor)in

Co-investorsClavystBioInvest-NLQiming Venture PartnersConnecticut InnovationsF-Prime CapitalGV (Google Ventures)+1 more

1366 TechnologiesApr 2016SEC filingmedium confidence

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

480 BiomedicalNov 2016SEC filingmedium confidence

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

Agbiomeagbiome.comFeb 2022AcquiredSEC filingmedium confidence

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)Eric 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

Amagma, Inc.Dec 2022SEC filingmedium confidence

HealthtechWaltham, US

Tillman Gerngross(Executive Officer, Director)

Board seatAmy Schulman· per SEC Form D · $10M raise · filed Dec 2022

Co-investorsAtlas Venture

Ankyra Therapeuticsankyratx.comin𝕏May 2020SEC filingmedium confidence

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)Mithril Capital Management

Athletes' PerformanceFeb 2016SEC filingmedium confidence

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

Auron Therapeuticsaurontherapeutics.comDec 2025SEC filingmedium confidence

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)

Be Me HealthNov 2022SEC filingmedium confidence

Marblehead, US

Scott Cousino(Director)Ronald Geraty(Executive Officer, Director)

Board seatAlexandra Cantley· per SEC Form D · $8.2M raise · filed Nov 2022

Blue Rabbit VenturesMar 2021SEC filingmedium confidence

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

ByHeartbyheart.comMay 2026SEC filingmedium confidence

ByHeart is an infant formula company navigating an FDA return-to-market process following a product outbreak investigation.

ConsumerDirect to ConsumerFoodTechHealthtechNew York, US

Mia B. Funt(Executive Officer, Director)Ron Belldegrun(Executive Officer, Director, Promoter)Georg Krause-Vilmar(Executive Officer)Niall Mullane(Executive Officer)

BoardHemi Zucker(Director)in

Board seatAmy Schulman· per SEC Form D · $95.5M raise · filed May 2026

Co-investorsEvolution VC PartnersOCV PartnersRed Sea VenturesVida Ventures

Cardurion Pharmaceuticals, Inc.Dec 2022SEC filingmedium confidence

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 CapitalNEA SecondaryThird Rock Ventures

Cirrus Therapeutics, Inc.Aug 2025SEC filingmedium confidence

Cambridge, US

Ying Kai Chan(Executive Officer, Director, Promoter)Andrew Dick(Director, Promoter)

BoardKhoo Shih(Director)

Board seatAlexandra Cantley· per SEC Form D · $15.7M raise · filed Aug 2025

Crossbow Therapeuticscrossbowtx.cominSep 2025SEC filingmedium confidence

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 InvestmentsPfizer VenturesTaiho Ventures, LLC

Dewpoint Therapeuticsdewpointx.cominFeb 2022SEC filingmedium confidence

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)Ameet Nathwani, M.D.(Executive Officer, Director)

Board seatAmir Nashat· per SEC Form D · $150M raise · filed Feb 2022

Co-investorsARCH Venture PartnersEcoR1 CapitalSamsara BioCapital6 Dimensions CapitalGeneral CatalystInnovation Endeavors+5 more

Drizlydrizly.comApr 2015SEC filingmedium confidence

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

Epi Biologicsepibiologics.cominApr 2024SEC filingmedium confidence

Epibiologics develops protein degradation medicines using protein sciences and antibody engineering capabilities.

BiotechMedical DevicesSan Mateo, US

Ann Lee-Karlon(Executive Officer, Director)Mitchell 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

Faraday Pharmaceuticalsfaradaypharma.comOct 2022DefunctSEC filingmedium confidence

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)

Freenome HoldingsAug 2020SEC filingmedium confidence

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

Glympse Bioglympsebio.comDec 2021SEC filingmedium confidence

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

Icelandic ProvisionsJan 2017SEC filinghigh confidence

New York, US

Mark Alexander(Executive Officer, Director)Anthony Sciortino(Executive Officer)John Heath(Executive Officer)Brant Wutzl(Executive Officer)Gregg Rubin(Executive Officer, Director)

BoardHallbjorn Karlsson(Director)

Board seatTerrance McGuire· per SEC Form D · $9.1M raise · filed Jan 2017

Iora Healthin𝕏Jan 2015acquired by One MedicalSEC filingmedium confidence

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)CHRISTOPHER J. MCKOWN(Executive Officer, Director)DAVID FIELDING(Executive Officer)ALEXANDER PACKARD(Executive Officer)DAVID 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 Pharmaceuticalsironwoodpharma.comin𝕏Sep 2016SEC filingmedium confidence

Ironwood Pharmaceuticals is a gastrointestinal (GI) healthcare company focused on developing treatments for GI diseases.

BiotechDigital HealthHealthtechCambridge, US

PETER M. HECHT(Executive Officer, Director)MARK G. CURRIE(Executive Officer)HALLEY E. GIBLERT(Executive Officer)THOMAS GRANEY(Executive Officer)THOMAS A. MCCOURT(Executive Officer)

Board seatTerrance G. Mcguire· per SEC Form D · $150M raise · filed Oct 2016

Co-investorsF-Prime CapitalMountain Group CapitalRidgeback CapitalVenrockMaverick Ventures

Jnana Therapeutics Inc.Aug 2021SEC filingmedium confidence

Boston, US

Board seatTerrance G. McGuire· per SEC Form D · $50M raise · filed Aug 2021

Co-investorsVersant Ventures

Kallyopekallyope.cominSep 2015SEC filingmedium confidence

Kallyope is a drug discovery and development company working on therapeutic agents for neurological and metabolic diseases.

BiotechDeep TechHealthtechMedical DevicesNew York City, US

Tom Maniatis(Director)Nancy Thornberry(Executive Officer, Director)Kenneth 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

LyndraDec 2023SEC filingmedium confidence

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 FoundationKendall Capital Partners

Metacrinemetacrine.comJan 2015SEC filingmedium confidence

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

Microchips BiotechJun 2015SEC filingmedium confidence

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

Morphic Holding, Inc.Mar 2023SEC filingmedium confidence

BiotechWaltham, US

Timothy Springer(Director)Praveen Tiprirneni(Executive Officer, Director)Robert Farrell(Executive Officer)

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

Navitor Pharmaceuticalsnavitorpharma.comDec 2015SEC filingmedium confidence

BiotechCambridge, US

Rick Lundberg(Executive Officer)George P. Vlasuk(Executive Officer, Director)George Vlasuk(Executive Officer, Director)

BoardJean-Francois Formela(Director)inMarian Nakada(Director)

Board seatAlan Crane· per SEC Form D · $25M raise · filed Mar 2018

Co-investorsage1Brace PharmaSanofi VenturesAtlas VentureSR One Capital Management

Noetiknoetik.aiin𝕏Aug 2024SEC filingmedium confidence

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)Ronald 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 VenturesDCVC (Data Collective)

Nomad Healthnomadhealth.cominDec 2025

Nomad Health operates a self-service digital marketplace connecting clinicians—including doctors, nurses, and allied health professionals—with healthcare facilities for staffing and travel assignments without traditional recruiters.

B2B MarketplacesDigital HealthHealthtechHR TechMarketplacesNew York, US

Alexander Nazem(Director)inMaxwell Laurans(Director)Alexi Nazem(Co-Founder & Board Member)Justin Lambert(CEO)William 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

Pandion TherapeuticsJan 2018SEC filingmedium confidence

BiotechCambridge, US

Jo Viney(Executive Officer)Rahul Kakkar(Executive Officer, Director)Anthony 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

Podimetricspodimetrics.cominApr 2022SEC filingmedium confidence

Podimetrics offers a virtual care service that combines remote foot monitoring with personalized support to help people with complex diabetes prevent foot complications such as amputations.

Digital HealthHealthtechMedical DevicesSomerville, US

David Linders(Executive Officer, Director)Jonathan 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 Therapeuticsprimmunerx.comin𝕏Nov 2020SEC filingmedium confidence

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

Board seatAmir Nashat· per SEC Form D · $24M raise · filed Nov 2020

Co-investorsBioBritBioRock VenturesSamsara BioCapital

Pulmatrix OperatingJun 2015SEC filingmedium confidence

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

Quralisquralis.comin𝕏Sep 2025SEC filingmedium confidence

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)Roet(Co-founder)Woolf(Co-founder)Kasper Roet(Director, Executive Officer, Promoter)Shafique Virani(Executive Officer)Jason Brown(Mr. Brown is the Chief Financial Officer of the Issuer.)

Board seatAmy Schulman· per SEC Form D · $24.9M raise · filed Sep 2025

Co-investorsDroia VenturesMC Healthcare VenturesMission BiocapitalMitsui Global InvestmentSanofi VenturesSV Health Investors+2 more

Seismic Therapeuticseismictx.comin𝕏Sep 2024SEC filingmedium confidence

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

JoTimothy A. Springer(Scientific Advisor / Founder)Kevin(Head of Immunology and Biomarker)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)

Board seatAlan Crane· per SEC Form D · $146.3M raise · filed Sep 2024

Co-investorsBessemer Venture PartnersGV (Google Ventures)Mana Ventures

SequelaeNov 2025SEC filingmedium confidence

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

Seventh Sense BiosystemsJul 2014SEC filingmedium confidence

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

Sofregensofregen.comSep 2016SEC filingmedium confidence

Sofregen develops medical biomaterials based on purified silk protein for soft tissue regeneration, including injectable fillers and applications such as vocal fold medialization.

BiotechHealthtechMedical DevicesCambridge, 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

SunBird Bio, Inc.May 2023SEC filingmedium confidence

Cambridge, US

Board seatAlexandra Cantley· per SEC Form D · $23.2M raise · filed May 2023

Syros Pharmaceuticals, Inc.Dec 2020SEC filingmedium confidence

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

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 · 21

IPOs and acquisitions across the tracked portfolio

Adagio 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: SEERTectonic TherapeuticNASDAQ: TECXVaccinexOTC: VCNXX4 PharmaceuticalsNASDAQ: XFORIora Healthacq. by One MedicalJibeacq. by iCIMSLocalyticsacq. by Upland SoftwareLogEntriesacq. by Rapid7

Portfolio news

latest coverage across their companies

Fund performance · per public LP disclosures · 3

as of Jun 2025
FundVintageCommittedNet IRRTVPIDPI
Polaris Growth FundLPs: Los Angeles City Employees' Retirement System, Pension Reserves Investment Management Board201836.8%2.86x0.57x
Polaris Partners VIIILPs: Hawaii Employees' Retirement System, Los Angeles City Employees' Retirement System201715.8%2.08x1.10x
Polaris Partners VIILPs: Los Angeles City Employees' Retirement System, Hawaii Employees' Retirement System20148.5%1.88x0.68x

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 team

Tech 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

ARCH Venture Partners is a venture capital firm that backs and helps build transformational companies, with a strong focus on the life sciences and biotech sector.

$50K – $250M
GV (Google Ventures)

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.

$250K – $50M
Andreessen Horowitz

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.

$500K – $50M
Bessemer Venture Partners

Bessemer Venture Partners is a global venture capital firm that partners with entrepreneurs across enterprise, consumer, and healthcare sectors from early stages through growth.

$5M – $100M
Floodgate

Floodgate is a venture capital fund that backs founders at the earliest stages, positioning itself as their first true believers.

Both backed · 3
EgnyteLobLogEntries
$500K – $5M
F-Prime Capital

F-Prime Capital is an early-stage-focused investment firm backing companies across life sciences, technology, healthtech and services, and crypto.

$3M – $10M
Atlas Venture

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.

$500K – $1M
5AM Ventures

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.

$100K – $4M
Sanofi Ventures

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.

$5M
Mithril Capital Management

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

SV Health Investors is a healthcare-focused private equity and venture capital investment platform managing specialized and diversified funds across biotechnology, healthcare growth equity, and medtech.

$1M – $20M
Mission Biocapital

Mission BioCapital provides early-stage capital and shared lab space to life science entrepreneurs, supporting companies from idea through clinic and exit.

$500K
124 more co-investors

TechstarsDCVC (Data Collective)Sapphire VenturesVenrockLocus Ventures.406 VenturesVersant VenturesVivo CapitalVida VenturesGeneral CatalystFoundation CapitalCRV (Charles River Ventures)Canaan PartnersRRE VenturesObvious VenturesSoftBank Vision FundWildcat Venture PartnersRA CapitalFlare Capital PartnersGreatPoint VenturesSR One Capital ManagementMPM BioImpactFlagship PioneeringPfizer Venture InvestmentsDigitalis VenturesAisling CapitalDefine VenturesQiming Venture PartnersHealthQuest CapitalCatalio Capital Management, LPLightspeed 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 VenturesZetta Venture PartnersOrbiMedJavelin Venture PartnersBreakthrough Energy VenturesHighland Capital Partnersfoobar.vcOwl VenturesHoxton VenturesScrum VenturesVitalStage VenturesAmasiaHighbury HoldingsBIOSPRING PARTNERSSamsung NextArtis VenturesTen ElevenS32EQT Life SciencesStrata 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 VenturesBroadview 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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