SR One overview
Stories about SR One

Ancora Biotech scores $60m in round co-led by Lightspeed and SR One
Ancora Biotech will use the funding to boost the clinical development of its trio of antibody treatments.

GSK spinout SR One collects $500m for fund
SR One, a biotech venture firm that recently spun out from GlaxoSmithKline, has raised $500 million for its new fund.
Pulmocide snags $30.4 mln Series B in SR One-led round
UK-based drug developer Pulmocide Ltd has closed $30.4 million in Series B financing. SR One led the round with participation from other investors that included Longwood Fund, SV Life Sciences, F-Prime Capital, Johnson & Johnson Innovation - JJDC, Inc. and Touchstone Innovations plc.
Morphic Therapeutic racks up $51.5 mln Series A
Waltham, Massachusetts-based Morphic Therapeutic, a biotechnology company focused on developing oral integrin drugs, has closed $51.5 million in Series A financing. SR One and Pfizer Venture Investments led the round with participation from other investors that included Omega Funds and AbbVie Ventures.
Spero Therapeutics nets $30 mln Series B
Cambridge, Massachusetts-based Spero Therapeutics, a biopharmaceutical company targeting drug resistant bacterial infections, raised $30 million in Series B preferred financing, matching the $30 million Series A round Spero raised in June. Existing Series A investors Atlas Venture, SR One, MRL Ventures, Lundbeckfond Ventures, The Kraft Group and Partners Innovation Fund all returned to participated.
Hearing company Decibel Therapeutics nabs $52 mln Series A
Cambridge, Massachusetts-based hearing company Decibel Therapeutics has launched with $52 million in Series A funding. Third Rock Ventures LLC led the round with participation from SR One. In addition to the funding, Kevin Starr, chairman and interim CEO of Decibel Therapeutics, Craig Muir, partner and chief technology officer at Third Rock and Dr. Jens Eckstein, president of SR One, have been named to Decibel Therapeutics' board of directors.

Gladius Pharmaceuticals nets $4.1 mln in Series A led by Lumira Capital
Gladius Pharmaceuticals Inc has secured $4.1 million in a Series A financing. The round was led by Canadian venture capital firm Lumira Capital through its Merck Lumira Biosciences Funds. Joining Lumira in the deal was the Fonds de solidarité FTQ and SR One, an affiliate of GlaxoSmithKline. Based in Montréal, Gladius is a biotechnology company focused on developing novel drugs to treat life-threatening, multi-drug-resistant bacterial infections. It is led by CEO Michael Atkin. Lumira's Daniel Hétu said the Gladius technology "is demonstrating strong promise to restore treatment options for resistant Gram-negative infections which have become a global challenge."
Spero Therapeutics fetches $30 mln Series A
Cambridge, Massachusetts-based Spero Therapeutics LLC, a biopharmaceutical company that focuses on treating bacterial infections, has raised $30 million in Series A funding. Lundbeckfond Ventures led the round with participation from other investors that included Merck Research Ventures, The Kraft Group, Atlas Venture, SR One and Partners Innovation Fund. In conjunction with the funding, Lundbeckfond Ventures’s Casper Breum and Merck’s Dr. Josh Resnick have been added to Spero's board.
SR One contact information
Offices
Contacts
| Name | Job title | Location | |
|---|---|---|---|
| Key Contact | Job titleChief Financial Officer | LocationRedwood City, United States | Email |
| Key Contact | Job titlePrincipal | LocationRedwood City, United States | Email |
Job titleManaging Partner and Chief Operating Officer | LocationRedwood City, United States | Email | |
Job titleChief Executive Officer and Managing Partner | LocationRedwood City, United States | Email | |
SR One fund commitments
Known fund commitments: 18
| Fund | Manager | Commitment date | Commitment size |
|---|---|---|---|
Manager | Commitment date- | Commitment size- | |
Manager | Commitment date- | Commitment size | |
Manager | Commitment date- | Commitment size | |
SR One funds managed
Funds in market: 3
| Fund | Fund size | Open date | Strategy |
|---|---|---|---|
Fund size | Open dateSep 2025 | Strategy | |
Fund size | Open dateOct 2024 | Strategy | |
Fund size | Open dateApr 2023 | Strategy | |
Closed funds: 6
| Fund | Fund size | Close date | Strategy |
|---|---|---|---|
Fund size | Close dateMar 2023 | Strategy | |
Fund size | Close date- | Strategy | |
Fund size | Close date- | Strategy | |
Stories that mention SR One
VC-backed biopharma company Mineralys Therapeutics raises $192m for IPO
The stock began trading February 10, 2023 on the NASDAQ under the ticker symbol "MLYS."
Nomic Bio inks $17m Series A financing led by Lux Capital
Montreal-based protein profiling company Nomic Bio has secured $17 million in Series A financing.
TCG X expands investment team with new hire
Previously, he worked at Ghost Tree Capital where he was a senior analyst.
Dren Bio rallies $60m Series A
San Carlos, California-based Dren Bio Inc, a biotech company, has secured $60 million in Series A funding.
Palleon Pharmaceuticals lands $100m Series B
Palleon Pharmaceuticals, a biotech company, has closed $100 million in Series B financing.
VC-backed Pandion Therapeutics debuts IPO
Watertown, Massachusetts-based Pandion Therapeutics Inc, a developer of treatments for patients suffering from autoimmune diseases, has raised $135 million for its IPO after pricing its 7.5 million shares at $18 per share.
Tranquis Therapeutics rakes in $30m Series A
Tranquis Therapeutics, a private immuno-neurology company, has raised $30 million in Series A funding.
Design Therapeutics snags $45m Series A
Design Therapeutics, which is developing treatments for serious degenerative disorders, has raised $45 million in Series A funding.