Polaris Partners

Venture capital firm
Boston, United StatesFounded 1996www.polarispartners.comSee connections →

Strategy

Stages
SeedSeries ASeries B
Sectors
HealthcareEnterprise
Geographies
USABoston, United States
Check size
$1M-$50M

Recent changes

  1. Oct 13, 2026Invested in Souffle Therapeutics (Series B, $135M) FinancialContent

Portfolio

1 total

Recent Investment Activity

1

Track record: led 0 and participated in 1 of 1 tracked venture round · 1 in the last 12 months

DateCompanyEventRoleAmountValuationInvestorsSource
Oct 13, 2026Souffle TherapeuticsSeries BParticipated$135M—
Fidelity InvestmentsunverifiedARCH Venture PartnersunverifiedBessemer Venture PartnersunverifiedJanus Henderson InvestorsunverifiedLeaps by BayerunverifiedPolaris PartnersunverifiedTemasekunverifiedVida VenturesunverifiedJuvia GroupTCG Crossover ManagementBB BiotechBalyasny Asset Management+5 more
FinancialContent

Co-Investors

7

Similar Firms

overlapping sector, stage or region

Value Add Research

Latest Pulse

  1. TRexBio Closes $116.7M IPO, Lilly Eyes Bigger StakeTRexBio closed its IPO on Oct. 13, selling 8.33 million shares at $14 for about $116.7 million, with largest shareholder Eli Lilly signaling interest in raising its stake.→
  2. Souffle Therapeutics Raises $135M For RNA TherapiesSouffle Therapeutics closed an oversubscribed $135 million Series B led by Juvia Group on Oct. 13 to push its RNA-delivery platform's first three programs toward the clinic.→

Polaris Partners FAQ

What companies has Polaris Partners invested in?

Polaris Partners' portfolio includes Souffle Therapeutics.

Who does Polaris Partners co-invest with most?

In the rounds Value Add tracks, Polaris Partners most often invests alongside ARCH Venture Partners (1 shared deal), Bessemer Venture Partners (1 shared deal), Fidelity Investments (1 shared deal), Janus Henderson Investors (1 shared deal), Leaps by Bayer (1 shared deal).

Sources & methodologyshow
Where these figures come from

Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.

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