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Bain Capital Life Sciences

North America, Massachusetts, United States, Boston

Description

Bain Capital Life Sciences is a dedicated fund within the global private investment firm Bain Capital, specializing in the biopharmaceutical, specialty pharmaceutical, medical device, diagnostics, and life science tool sectors. The fund focuses on a range of investment strategies, including growth equity, buyouts, inflection capital, and turnaround investments, targeting companies at critical stages of development or transformation. Its approach involves leveraging Bain Capital's deep industry expertise and operational capabilities to drive value creation in its portfolio companies.

The firm has demonstrated substantial financial capacity through its dedicated funds. Bain Capital Life Sciences Fund I closed with $725 million in 2017, marking its initial foray into this specialized strategy. Building on this success, the firm significantly expanded its capital base, with both Bain Capital Life Sciences Fund II (closed in 2021) and Bain Capital Life Sciences Fund III (closed in 2023) each securing $1.9 billion in commitments. This substantial capital pool enables the fund to pursue a wide array of opportunities, from significant minority growth investments to large-scale buyouts.

Bain Capital Life Sciences typically targets companies that are poised for significant growth or require strategic capital to navigate complex market dynamics. While specific check sizes vary based on the opportunity, the fund is known for deploying substantial capital. For growth equity and inflection capital rounds, it often leads investments with initial checks frequently in the range of $50 million to $150 million, as seen in various Series B and C rounds for promising biotechs. For larger buyout opportunities, the fund is capable of committing hundreds of millions of dollars, often taking controlling stakes. Their investment philosophy emphasizes active partnership with management teams, providing strategic guidance and operational support to accelerate growth and achieve key milestones.

Investor Profile

Bain Capital Life Sciences has backed more than 95 startups, with 11 new investments in the last 12 months alone. The firm has led 36 rounds, about 38% of its total and boasts 45 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Post Ipo Equity, Series B, Series C rounds (top funding stages).
  • Majority of deals are located in United States, Switzerland, The Netherlands.
  • Strong thematic focus on Biotechnology, Health Care, Medical.
  • Led 6 rounds in the past year.
  • Typical check size: $50M – $300M.

Stage Focus

  • Post Ipo Equity (31%)
  • Series B (18%)
  • Series C (17%)
  • Series A (12%)
  • Private Equity (8%)
  • Series D (7%)
  • Series Unknown (3%)
  • Series E (1%)
  • Post Ipo Debt (1%)
  • Series F (1%)

Country Focus

  • United States (94%)
  • Switzerland (3%)
  • The Netherlands (1%)
  • South Korea (1%)
  • China (1%)

Industry Focus

  • Biotechnology
  • Health Care
  • Medical
  • Therapeutics
  • Pharmaceutical
  • Biopharma
  • Life Science
  • Health Diagnostics
  • Genetics
  • Medical Device
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FAQ

Frequently Asked Questions

Learn who this investor regularly partners with—both firms and angels—and explore their latest activity.

Who does Bain Capital Life Sciences frequently co-invest with?

OrbiMed
North America, New York, United States, New York
Co-Investments: 10
CA
North America, Massachusetts, United States, Boston
Co-Investments: 11
Venrock Healthcare Capital Partners
North America, California, United States, Palo Alto
Co-Investments: 11
Google Ventures
North America, California, United States, Mountain View
Co-Investments: 9
Adage Capital Management
North America, Massachusetts, United States, Boston
Co-Investments: 11
RA Capital Management
North America, Massachusetts, United States, Boston
Co-Investments: 28
Rock Springs Capital
North America, Maryland, United States, Baltimore
Co-Investments: 14
Perceptive Advisors
North America, New York, United States, New York
Co-Investments: 18
Redmile Group
North America, California, United States, San Francisco
Co-Investments: 10
Janus Henderson Investors
Europe, England, United Kingdom, London
Co-Investments: 16

Which angels does Bain Capital Life Sciences often collaborate with?

BG
North America, Washington, United States, Seattle
Shared Deals: 1
BT
North America, Massachusetts, United States, Marblehead
Shared Deals: 1

What are some of recent deals done by Bain Capital Life Sciences?

Merida Biosciences

Cambridge, Massachusetts, United States

Merida Biosciences is a biotech company focused on developing precision treatments, particularly for autoimmune diseases.

BiotechnologyLife ScienceTherapeutics
Series AApr 8, 2025
Amount Raised: $121,000,000
Atsena Therapeutics

Durham, North Carolina, United States

Atsena Therapeutics is a clinical-stage gene therapy company that develops novel treatments for inherited forms of blindness.

BiotechnologyHealth CareTherapeutics
Series CApr 2, 2025
Amount Raised: $150,000,000
Heartflow

Mountain View, California, United States

Heartflow is a medical technology company that provides various methods of diagnosis and treatment of cardiovascular disease.

Artificial Intelligence (AI)BiotechnologyHealth CareHealth DiagnosticsMedical
Convertible NoteMar 26, 2025
Amount Raised: $98,000,000
Solid Biosciences

Marlborough, Massachusetts, United States

Solid Biosciences is a life science company that conducts research for the treatment of Duchenne muscular dystrophy.

BiotechnologyGeneticsHealth CareMedical
Post Ipo EquityFeb 18, 2025
Amount Raised: $200,000,000
Abcuro

Newton, Massachusetts, United States

Abcuro develops immunotherapies to treat autoimmunity and cancer.

BiotechnologyHealth CareMedicalTherapeutics
Series CFeb 12, 2025
Amount Raised: $200,000,000
Timberlyne Therapeutics

San Diego, California, United States

Timberlyne Therapeutics is a biopharmaceutical company that develops therapies for autoimmune diseases.

BiopharmaBiotechnologyHealth Care
Series AJan 9, 2025
Amount Raised: $180,000,000
Angitia Biopharmaceuticals

Guangzhou, Guangdong, China

Angitia Biopharmaceuticals is a global biotechnology company focusing on the discovery and development of innovative therapeutics.

BiopharmaBiotechnologyHealth CareMedical
Series CDec 11, 2024
Amount Raised: $120,000,000
Olema Oncology

San Francisco, California, United States

Olema Oncology is a preclinical biotechnology company that develops new drugs for the treatment and prevention of breast cancer.

BiopharmaBiotechnologyHealth CareMedicalOncologyPharmaceutical
Post Ipo EquityDec 2, 2024
Amount Raised: $250,000,000
Kailera Therapeutics

Waltham, Massachusetts, United States

Kailera Therapeutics is a clinical-stage biotechnology company that provides therapies for treating obesity and related diseases.

BiotechnologyPharmaceuticalTherapeutics
Series AOct 1, 2024
Amount Raised: $400,000,000
Serán Bioscience

Bend, Oregon, United States

Serán Bioscience is a contract development and manufacturing organization.

BiotechnologyClinical TrialsManufacturingPharmaceutical
Private EquitySep 17, 2024
Amount Raised: $200,000,000