Flagship Pioneering
Cambridge, Massachusetts · Invests in US; Europe; Global · Website
Check size
$500K-$15M
Thesis
Create first-in-category bioplatform companies through scientific innovation and systematic entrepreneurship. Combine institutional scale with pioneer creativity to build breakthrough life sciences companies.
Likely not a fit for
No late-stage companies competing in mature markets. No pure software or digital-only businesses. Emphasis on biological and scientific innovation, not technology for technology's sake.
How they invest
- Lead or follow
- Usually leads
- Typical decision
- ~1 month
- Warm intro
- Preferred
- Involvement
- Takes a board seat
- Fund status
- Actively deploying
- Assets under mgmt
- $14B
- Decision process
- Investment Committee
Partners & team
3 contacts on file
Noubar Afeyan
Founder & CEO · Primary contact
Molly Gibson
Origination Partner
Adrian Rawcliffe
CEO-Partner and CEO of Etiome
Portfolio
Refaccionaria Moderna is a leading automotive parts supplier in northern Mexico, with over 70 years in the market and multiple branches strategically located in metropolitan Monterrey and other states.
Tessera Therapeutics is pioneering Gene Writing™, a new genome engineering technology that writes therapeutic messages into the genome to treat diseases at their source.
Generate Biomedicines is focused on leveraging advanced computational techniques to design and develop new therapeutic proteins, particularly in the field of biomedicine.
Quotient Therapeutics is pioneering somatic genomics to transform genetically-validated targets into breakthrough medicines, unlocking new therapeutic strategies for various diseases.
Lila Sciences is the world’s first scientific superintelligence platform and autonomous lab for life, chemistry, and materials science. We are building the foundation to apply AI to every aspect of the scientific method, enabling scientists to bring forth solutions in human health and sustainability at a pace and scale never experienced before.
Valo Health is redefining drug discovery by combining real-world data, AI, advanced causal inference techniques, and predictive chemistry to create a powerful drug discovery and development engine.
Profound Therapeutics focuses on novel proteins from the human genome. They aim to elucidate their functions.
Sana Biotechnology is focused on engineered cells as medicines, aiming to repair and control genes or replace missing or damaged cells to address the underlying causes of diseases.
Seres Therapeutics is a clinical stage biotechnology company developing new therapies comprised of rationally selected live bacteria consortia to modulate the human microbiome and revolutionize treatment for serious diseases.
Recent activity
- Apr 2026
Serif Biomedicines
Founding · Lead
- Oct 2025
Expedition Medicines
Founding · Lead
- Sep 2025
Extuitive
Seed · Lead
- May 2025
Mirai Bio
Growth · Syndicate
- Apr 2025
Repertoire Immune Medicines
Series B · Syndicate
- Mar 2025
Lila Sciences
Founding · Lead
- Jan 2025
Valo Health
Growth · Syndicate
Flagship Pioneering in the news
Fierce Biotech
BIO 2026: Flagship inks research collaboration with Saudi sovereign wealth fund company
29 days ago
PR Newswire
Flagship Pioneering and Lean Business Services Company Announce Collaboration to Advance Healthcare Innovation and AI-Enabled Biomedical Research in Saudi Arabia
1 month ago
Genetic Engineering and Biotechnology News
‘Type’ Casting: Flagship-Founded Serif Modifying DNA into New Therapy Class
2 months ago
Fierce Biotech
With $50M from Flagship Pioneering, Serif strives to write new chapter for DNA medicines
3 months ago
Endpoints News
Flagship’s latest startup aims to solve gene therapy’s thorniest technical challenge
3 months ago
BioPharma Dive
Serif, Flagship’s latest biotech, aims to make a new kind of genetic medicine
3 months ago
Reuters
Flagship-backed Generate Biomedicines eyes $2.2 billion valuation in US IPO
5 months ago
BioPharma Dive
Generate, an AI-driven Flagship startup, pitches an IPO
5 months ago
BioSpace
Flagship CEO Calls Out Attacks on Science, Warns of China Dominance
6 months ago
The Business Journals
Flagship Pioneering CEO Noubar Afeyan on building a biotech empire and planning his exit
8 months ago
MedCity News
Startup Expedition Medicines Launches to Learn Nature’s Rules for Binding Elusive Proteins
9 months ago
The Boston Globe
Flagship, the firm that spawned Moderna, has a new AI startup. But it’s not for health care.
10 months ago
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