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Imbria Pharmaceuticals secured investment from AXA IM Alts in an upsized Series B round to enhance clinical development of ninerafaxstat, aiming at serious cardiovascular diseases.

PRIVATENov 19, 2025

Round Type

Series B

BostonBiotechnologyHealth Care

Investors

Cytokinetics, Inc.CytokineticsCatalio Capital ManagementAN VenturesDeep Track CapitalSV Health InvestorsRA CapitalAxa Im Alts

Description

Imbria Pharmaceuticals, Inc., a Boston-based clinical-stage company, has received investment from AXA IM Alts in an upsized Series B financing. This investment includes prominent investors such as RA Capital and SV Health Investors. The funds will aid in the clinical development of ninerafaxstat, Imbria’s cardiotherapy. The lead investors' involvement highlights the confidence in Imbria’s groundbreaking approach.

Quick answer

Imbria Pharmaceuticals raised an undisclosed amount in a Series B round, dated November 19, 2025. Investors: Cytokinetics, Inc., Cytokinetics, Catalio Capital Management, AN Ventures, Deep Track Capital, SV Health Investors, RA Capital and Axa Im Alts. Imbria Pharmaceuticals is based in Boston, Massachusetts, United States.

How much did Imbria Pharmaceuticals raise?
Imbria Pharmaceuticals raised an undisclosed amount in a Series B round on November 19, 2025.
Who invested in Imbria Pharmaceuticals?
Cytokinetics, Inc., Cytokinetics, Catalio Capital Management, AN Ventures, Deep Track Capital, SV Health Investors, RA Capital and Axa Im Alts are named as investors in this round.
What does Imbria Pharmaceuticals do?
Imbria is a privately held, clinical stage company developing novel therapies for patients with life-altering cardiometabolic disorders.
Where is Imbria Pharmaceuticals based and how big is it?
Imbria Pharmaceuticals is based in Boston, Massachusetts, United States.
Who are the decision-makers at Imbria Pharmaceuticals?
Fundz holds 1 contact at Imbria Pharmaceuticals. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Biotechnology and Health Care around the same time

Companies in the same sectors as Imbria Pharmaceuticals that raised within 45 days of this round, from Fundz verified event records.

  • PrognomiQ raised $12M on January 2, 2026.
  • Navega Therapeutics raised $1.3M (Seed) on January 2, 2026.
  • SCA Health raised $412K (Seed) on December 31, 2025.
  • iSpecimen raised $5.5M (Series C) on December 30, 2025.
  • Biobeat Technologies raised $50M (Series B) on December 30, 2025.
  • Harvard Apparatus Regenerative Technology raised $700K on December 30, 2025.

Who to call at Imbria Pharmaceuticals, and when

A new round usually means Imbria Pharmaceuticals is about to hire and buy. The teams that reach out first get the meeting.

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Company Information

Company

Imbria Pharmaceuticals

Location

265 Franklin Street

Boston, Massachusetts, United States

About

Imbria is a privately held, clinical stage company developing novel therapies for patients with life-altering cardiometabolic disorders. Our clinical stage pipeline is focused on restoring or improving the cell’s ability to produce energy in cardiovascular disorders where energetic impairment is a fundamental contributor to symptoms and functional deficits. The lead product candidate, ninerafaxstat, is currently in Phase 2 clinical development in three indications: nHCM, stable angina, and HFpEF.

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Funding Insights

What this usually means
Timeline to next round
Series B companies typically work for 15-20 months before raising new capital
Growth expectations
Series B companies are expected to scale rapidly and expand market reach

Imbria Pharmaceuticals raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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