AMR Action Fund

Boston, MA fund making equity investments in small and mid-size biotech companies developing antibiotics for drug-resistant infections, focusing on clinical-stage companies.

Type: VC firm
Location: Boston, Massachusetts, United States
Backs: Biotech and pharma, Medtech and digital health
Sectors: Healthtech and life sciences, Biotech, Media
Fund size / AUM: $976.9M gross private fund assets (Form ADV; private funds: 2, of which venture capital: 2)
Portfolio mix: Biotech and pharma 82%; Medtech and digital health 18% (n=11)
Website: amractionfund.com

Contacts on file

For AMR Action Fund, the paid file holds: 1 named decision-maker with roles.

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Notable investments

F2GTennor TherapeuticsTelumBioVersysTrellis BioScience

Sources

Last checked 5 Nov 2026. Is something wrong? Tell us.

Appears in 13 lists

Medtech investors in Massachusetts (37)Biotech investors in Massachusetts (37)Healthtech investors in Massachusetts (58)Media venture capital firms in the US (135)Venture capital firms in Massachusetts (185)Media investors (200)Biotech venture capital firms in the US (297)Medtech venture capital firms in the US (350)Medtech investors (457)Biotech investors (484)Healthtech venture capital firms in the US (709)Healthtech investors (1,207)Venture capital firms in the US (2,975)