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Willett Advisors LLC

North America, New York, United States, New York

Description

Investment arm for the personal and philanthropic assets of Michael R. Bloomberg

Investor Profile

Willett Advisors LLC has backed more than 15 startups, with 1 new investments in the last 12 months alone. The firm has led 0 rounds, about 0% of its total and boasts 3 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Series C, Series D, Series E rounds (top funding stages).
  • Majority of deals are located in United States.
  • Strong thematic focus on Biotechnology, Therapeutics, Health Care.

Stage Focus

  • Series C (20%)
  • Series D (20%)
  • Series E (13%)
  • Series B (13%)
  • Post Ipo Equity (7%)
  • Series Unknown (7%)
  • Private Equity (7%)
  • Series A (7%)
  • Series F (7%)

Country Focus

  • United States (100%)

Industry Focus

  • Biotechnology
  • Therapeutics
  • Health Care
  • Medical
  • Clinical Trials
  • Machine Learning
  • Life Science
  • Pharmaceutical
  • Banking
  • Blockchain
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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 Willett Advisors LLC frequently co-invest with?

OrbiMed
North America, New York, United States, New York
Co-Investments: 2
Shumway Capital
North America, Connecticut, United States, Greenwich
Co-Investments: 3
Alexandria Venture Investments
North America, California, United States, Pasadena
Co-Investments: 4
5AM Ventures
North America, California, United States, Menlo Park
Co-Investments: 2
BF
North America, California, United States, Berkeley
Co-Investments: 2
Avenir
North America, New York, United States, New York
Co-Investments: 3
Atlas Venture
North America, Massachusetts, United States, Cambridge
Co-Investments: 3
The Column Group
North America, California, United States, San Francisco
Co-Investments: 5
Janus Henderson Investors
Europe, England, United Kingdom, London
Co-Investments: 2
Fidelity
North America, Massachusetts, United States, Boston
Co-Investments: 3

Which angels does Willett Advisors LLC often collaborate with?

Uday Kumar Bangalore Shivaraman
Asia, Karnataka, India, Bengaluru
Shared Deals: 1
LW
North America, Washington, United States, Seattle
Shared Deals: 1
CC
North America, California, United States, San Jose
Shared Deals: 1
Shared Deals: 1

What are some of recent deals done by Willett Advisors LLC?

Cellares

South San Francisco, California, United States

Cellares is an Integrated Development and Manufacturing Organization dedicated to the automated, large-scale production of cell therapies.

BiotechnologyLife ScienceManufacturingMedicalTherapeutics
Series DJan 28, 2026
Amount Raised: $257,000,000
Kinaset Therapeutics

Boston, Massachusetts, United States

Kinaset Therapeutics is a biopharma company that focuses on advancement of novel drugs in areas of unmet medical needs.

Health CareMedicalTherapeutics
Series BJan 10, 2026
Amount Raised: $103,000,000
AAVantgarde Bio

Milano, Lombardia, Italy

AAVantgarde Bio is a clinical-stage biotechnology company that develops gene therapies for inherited retinal disorders.

BiotechnologyHealth CareLife ScienceTherapeutics
Series BNov 3, 2025
Amount Raised: $141,000,000
Neurona Therapeutics

San Francisco, California, United States

Neurona Therapeutics develops cell therapies for neurological disorders, focusing on treatments like NRTX-1001 for epilepsy.

BiotechnologyHealth CareTherapeutics
Series FApr 3, 2025
Amount Raised: $102,000,000
Scorpion Therapeutics

Boston, Massachusetts, United States

Scorpion Therapeutics is a clinical-stage oncology company that specializes in precision medicine for cancer patients.

BiotechnologyHealth CareLife ScienceOncologyPrecision Medicine
Series CJul 16, 2024
Amount Raised: $150,000,000
Neurona Therapeutics

San Francisco, California, United States

Neurona Therapeutics develops cell therapies for neurological disorders, focusing on treatments like NRTX-1001 for epilepsy.

BiotechnologyHealth CareTherapeutics
Series EFeb 8, 2024
Amount Raised: $120,000,000
Remix Therapeutics

Cambridge, Massachusetts, United States

Remix Therapeutics is a biotechnology company that is working on developing small molecule medicines.

BiotechnologyHealth CareMedicalTherapeutics
Series UnknownJan 3, 2024
Amount Raised: $60,000,000
Cellares

South San Francisco, California, United States

Cellares is a life sciences technology company that develops the Cell Shuttle to automate cell therapy manufacturing.

BiotechnologyLife ScienceManufacturingMedicalTherapeutics
Series CAug 23, 2023
Amount Raised: $255,000,000
Carmot Therapeutics

Berkeley, California, United States

Carmot Therapeutics provides drugs to treat inflammatory, metabolic, and neurological diseases.

BiotechnologyHealth CareTherapeutics
Series EMay 25, 2023
Amount Raised: $150,000,000
Carmot Therapeutics

Berkeley, California, United States

Carmot Therapeutics provides drugs to treat inflammatory, metabolic, and neurological diseases.

BiotechnologyHealth CareTherapeutics
Series DJul 26, 2022
Amount Raised: $160,000,000

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