F-Prime Capital is the venture firm that grew out of Fidelity's own money. It invests in healthcare and technology companies, including cancer diagnostics and therapeutics, from seed to growth.
F-Prime Capital is a global venture capital firm with roots in Fidelity Investments, investing in healthcare, life sciences and technology companies from company formation to growth stage, with offices in Cambridge (Massachusetts), San Francisco and London. Its healthcare portfolio spans therapeutics, diagnostics, medical devices and health IT, and includes oncology companies at several stages. Portfolio links in OnCo are derived from the startup records that name it.
| Company | Stage | Type | Cancers | Latest round |
|---|---|---|---|---|
| Adela Toronto, CA | Startup | diagnostics | Series A 2023, $48M | |
| AvenCell Therapeutics Watertown, MA, US | Growth stage | cell therapy | Diffuse large B-cell lymphomaNon-Hodgkin lymphoma (all types)Acute myeloid leukaemia | Grant 2025, $40M |
| CHARM Therapeutics London, GB | Growth stage | biotech | Acute myeloid leukaemiaNPM1-mutated and KMT2A-rearranged acute myeloid leukaemia | Series B 2025, $80M |
| K36 Therapeutics Cambridge, MA, US | Startup | biotech | Multiple myelomaProstate cancer | Series B 2023, $70M |
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