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Logos Capital

North America, California, United States, San Francisco

Description

Logos Capital is a San Francisco-based investment firm that specializes in the biotechnology sector, employing a fundamental, research-driven approach to identify promising opportunities across the healthcare landscape. Founded by Artem Fomenko, the firm is renowned for its deep expertise in life sciences, focusing on companies with innovative therapeutic platforms and strong scientific foundations. Their investment philosophy is rooted in rigorous scientific and clinical due diligence, aiming to support companies that are poised to make significant advancements in treating diseases.

Logos Capital's investment strategy encompasses both public and private equities, making it a prominent "crossover" investor within the biotech space. This dual approach allows them to engage with companies from their late-stage private development through their journey in the public markets. They are particularly interested in companies developing novel drug candidates and technologies across various therapeutic areas, including oncology, immunology, and neurological disorders, often taking significant positions in firms they believe possess high growth potential and strong intellectual property.

With reported assets under management (AUM) often cited in the range of $1.5 billion, Logos Capital is a substantial player in the biotech investment ecosystem. While a significant portion of their capital is allocated to public market positions, their active participation in private funding rounds, particularly late-stage Series C and D rounds, underscores their commitment to fostering growth in innovative private companies. For instance, they notably participated in the $100 million Series B for ReNAgade Therapeutics, demonstrating their capacity to deploy substantial capital into high-potential private ventures. Their typical first checks into private companies generally range from several million dollars up to tens of millions, reflecting their strategy of taking meaningful stakes in companies aligned with their long-term vision.

Investor Profile

Logos Capital has backed more than 130 startups, with 9 new investments in the last 12 months alone. The firm has led 5 rounds, about 4% of its total and boasts 73 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Series B, Post Ipo Equity, Series C rounds (top funding stages).
  • Majority of deals are located in United States, Canada, China.
  • Strong thematic focus on Biotechnology, Health Care, Therapeutics.
  • Typical check size: $5M – $50M.

Stage Focus

  • Series B (38%)
  • Post Ipo Equity (24%)
  • Series C (19%)
  • Series A (14%)
  • Series D (2%)
  • Series Unknown (2%)
  • Series E (1%)
  • Series G (1%)
  • Seed (1%)

Country Focus

  • United States (90%)
  • Canada (3%)
  • China (3%)
  • United Kingdom (2%)
  • Singapore (1%)
  • Ireland (1%)
  • Denmark (1%)

Industry Focus

  • Biotechnology
  • Health Care
  • Therapeutics
  • Medical
  • Pharmaceutical
  • Life Science
  • Oncology
  • Biopharma
  • Health Diagnostics
  • 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 Logos Capital frequently co-invest with?

OrbiMed
North America, New York, United States, New York
Co-Investments: 33
Wellington Management
North America, Massachusetts, United States, Boston
Co-Investments: 26
Surveyor Capital
North America, Illinois, United States, Chicago
Co-Investments: 57
CA
North America, Massachusetts, United States, Boston
Co-Investments: 40
Samsara BioCapital
North America, California, United States, Palo Alto
Co-Investments: 22
Biotechnology Value Fund
North America, California, United States, San Francisco
Co-Investments: 33
RA Capital Management
North America, Massachusetts, United States, Boston
Co-Investments: 48
Vivo Capital
North America, California, United States, Palo Alto
Co-Investments: 28
Janus Henderson Investors
Europe, England, United Kingdom, London
Co-Investments: 55
Boxer Capital
North America, Florida, United States, Windermere
Co-Investments: 24

Which angels does Logos Capital often collaborate with?

NB
North America, California, United States, Menlo Park
Shared Deals: 1
ER
North America, California, United States, San Francisco
Shared Deals: 1
G"
North America, California, United States
Shared Deals: 1
SL
North America, California, United States, San Francisco
Shared Deals: 1
KP
North America, California, United States, San Francisco
Shared Deals: 1
RK
North America, California, United States, Los Angeles
Shared Deals: 1
AA
North America, California, United States, San Francisco
Shared Deals: 1
TB
North America, California, United States, Los Altos
Shared Deals: 1
HS
North America, California, United States, Redwood City
Shared Deals: 1
RS
North America, Washington, United States, Seattle
Shared Deals: 1

What are some of recent deals done by Logos Capital?

OnKure Therapeutics

Boulder, Colorado, United States

OnKure is a clinical-stage biopharma company developing precision medicines targeting validated cancer drivers.

BiotechnologyLife SciencePrecision MedicineTherapeutics
Post Ipo EquityMar 27, 2026
Amount Raised: $150,000,000
Pinnacle Medicines

Doylestown, Pennsylvania, United States

Pinnacle Medicines is a peptide drug discovery company that provides peptide modality for medical needs.

BiopharmaBiotechnologyMedical
Series BMar 26, 2026
Amount Raised: $89,000,000
Diamyd Medical

Stockholm, Stockholms Lan, Sweden

Diamyd Medical is a Swedish diabetes company active in the field of pharmaceutical development.

BiotechnologyHealth DiagnosticsMedical Device
Post Ipo EquityMar 23, 2026
Amount Raised: $24,864,255
Longeveron

Miami, Florida, United States

Longeveron is a biotechnology company that focuses on developing cellular therapies for chronic aging-related and life-threatening diseases.

BiotechnologyLife ScienceMedicalTherapeutics
Post Ipo EquityMar 10, 2026
Amount Raised: $30,000,000
Sensei Biotherapeutics

Gaithersburg, Maryland, United States

Sensei Biotherapeutics is a clinical-stage biotechnology company specializing in the field of next-generation cancer immunotherapies.

BiotechnologyHealth DiagnosticsLife ScienceMedicalTherapeutics
Post Ipo EquityFeb 18, 2026
Amount Raised: $200,000,000
Angitia Biopharmaceuticals

Westlake Village, California, United States

Angitia Biopharmaceuticals develops biologic therapies for musculoskeletal diseases.

BiopharmaBiotechnologyHealth CareMedical
Series DFeb 5, 2026
Amount Raised: $130,000,000
Mirador Therapeutics

San Diego, California, United States

Mirador Therapeutics develops precision medicines for immune-mediated diseases.

BiotechnologyHealth CareMedicalTherapeutics
Series BJan 12, 2026
Amount Raised: $250,000,000
Yarrow

New York, New York, United States

Yarrow is developing a first-in-class antibody targeting TSHR for the treatment of Graves’ disease and thyroid eye disease.

Business IntelligenceHealth CareMedical
Series UnknownDec 17, 2025
Amount Raised: $200,000,000
Vor Biopharma

Cambridge, Massachusetts, United States

Vor Biopharma is an immuno-oncology company that develops therapies for treating cancer.

BiotechnologyHealth CareOncologyPharmaceutical
Post Ipo EquityDec 15, 2025
Amount Raised: $150,000,000
Tango Therapeutics

Cambridge, Massachusetts, United States

Tango Therapeutics is a biotechnology company that is developing next generation cancer therapies.

BiotechnologyHealth CareMedicalTherapeutics
Post Ipo EquityOct 23, 2025
Amount Raised: $197,000,000

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