Polaris Partners
A Boston venture firm with a long record of co-founding biotech companies with academic scientists such as Bob Langer. Its cancer companies include Syros Pharmaceuticals, Kronos Bio and the blood-test company Freenome.
Overview
Polaris Partners was founded in 1996 by Jon Flint, Terry McGuire and Steve Arnold and has offices in Boston, New York, San Francisco and Singapore (Wikipedia; company site). It runs main venture funds plus a Polaris Innovation Fund for company creation and a Polaris Growth Fund, and highlights that Bob Langer has co-founded more than 20 Polaris-backed companies. The firm typically leads seed and Series A rounds in therapeutics companies it helps form. Its full companies list (as of Q2 2026) includes oncology names such as Syros Pharmaceuticals, Kronos Bio, Kojin Therapeutics, IconOVir Bio (oncolytic viruses), Genocea and Freenome (blood-based cancer screening), as well as Candid Therapeutics and Scholar Rock.
Portfolio in OnCo (2)
Filter the startups table| Company | Stage | Type | Cancers | Latest round |
|---|---|---|---|---|
| Neogene Therapeutics Amsterdam, NL | Acquired | cell therapy | Acquisition 2023, $320M | |
| Noetik South San Francisco, CA, US | Startup | ai software | Series A 2024, $40M |
Pages like this
not linked directly; found by shared links- CompanyKhosla Ventures
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Shares Neogene Therapeutics and the tag vc.