JM

John Maraganore

North America, Massachusetts, United States, Boston

Description

Chief Executive Officer & Director at Alnylam Pharmaceuticals.

Investor Profile

John Maraganore has backed more than 5 startups, with 1 new investments in the last 12 months alone. The firm has led 0 rounds, about 0% of its total and boasts 1 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Seed, Series Unknown, Series A rounds (top funding stages).
  • Majority of deals are located in United States, The Netherlands.
  • Strong thematic focus on Biotechnology, Medical, Biopharma.

Stage Focus

  • Seed (60%)
  • Series Unknown (20%)
  • Series A (20%)

Country Focus

  • United States (60%)
  • The Netherlands (20%)

Industry Focus

  • Biotechnology
  • Medical
  • Biopharma
  • Health Care
  • Therapeutics
  • Artificial Intelligence (Ai)
  • Life Science
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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 John Maraganore frequently co-invest with?

Arranta Bio
North America, Massachusetts, United States, Watertown
Co-Investments: 1
Bruker
North America, Massachusetts, United States, Billerica
Co-Investments: 1
N
North America, California, United States, Santa Clara
Co-Investments: 1
HM
North America, California, United States, Palo Alto
Co-Investments: 1
Olive Capital
North America, California, United States, San Francisco
Co-Investments: 1
Pillar VC
North America, Massachusetts, United States, Boston
Co-Investments: 1
MV
North America, California, United States, San Francisco
Co-Investments: 1
Brainstorm Ventures
North America, California, United States, San Francisco
Co-Investments: 1
NV
North America, Massachusetts, United States, Boston
Co-Investments: 1

Which angels does John Maraganore often collaborate with?

David Meeker
North America, Massachusetts, United States, Boston
Shared Deals: 1
DA
Europe, Zuid-Holland, The Netherlands, Leiden
Shared Deals: 1
PR
North America, Massachusetts, United States, Boston
Shared Deals: 1
BD
North America, California, United States, Monrovia
Shared Deals: 1
JP
North America, United States
Shared Deals: 1
HG
Europe, Noord-Holland, The Netherlands, Amsterdam
Shared Deals: 1
DV
Europe, Zuid-Holland, The Netherlands, Leiden
Shared Deals: 1
GC
North America, Massachusetts, United States, Boston
Shared Deals: 1
MB
North America, Massachusetts, United States, Boston
Shared Deals: 1
EK
North America, Massachusetts, United States, Boston
Shared Deals: 1

What are some of recent deals done by John Maraganore?

Corsera Health

Boston, Massachusetts, United States

Corsera Health develops preventive RNA interference medicines that reduces cardiovascular disease risk before long-term damage occurs.

BiotechnologyEmergency MedicineMedical
Series AJan 7, 2026
Amount Raised: $80,000,000

Terrain BioSciences accelerates RNA-based therapeutics and vaccine development using AI and proprietary platforms.

Biotechnology
SeedFeb 12, 2025
Amount Raised: $9,000,000
Terray Therapeutics

Pasadena, California, United States

Terray Therapeutics is a biotechnology company that propels drug discovery into the information age.

Artificial Intelligence (AI)BiopharmaBiotechnologyLife ScienceMedical
Series UnknownNov 9, 2023
Thymmune Therapeutics

Cambridge, Massachusetts, United States

Thymmune Therapeutics is a biotechnology company developing a machine learning-driven thymic cell engineering platform.

BiotechnologyTherapeutics
SeedMar 1, 2023
Amount Raised: $7,000,000
Lipidio Pharmaceuticals

San Diego, California, United States

Lipidio Pharmaceuticals focuses on advancing a molecule to treat diseases associated with excess body fat.

BiopharmaBiotechnologyHealth CareMedical
Series ANov 10, 2022
Amount Raised: $20,000,000
Xinvento

Amsterdam, Noord-Holland, The Netherlands

Xinvento provides a credible alternative treatment for congenital hyperinsulinism.

Health CareMedical
SeedApr 21, 2022

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