Amr Action Fund GP, LLC
Emerging managerSEC exempt reporting adviser (venture capital exemption).
- Website
- https://amractionfund.com/
- HQ
- MA
The AMR Action Fund GP invests in companies developing urgently needed therapeutics for priority pathogens and advocates for market reforms that better value these lifesaving drugs. Its portfolio includes Vedanta Biosciences, Trellis Bioscience, F2G, TenNor Therapeutics, Telum Therapeutics, BioVersys, Antabio, Elion Therapeutics, Peptilogics, Centauri Therapeutics, and Pattern Bioscience, a diagnostics company. Some companies, such as BiomX, Venatorx, and Utility Therapeutics, are described as former portfolio companies.
New fund likely raising soon
The firm's newest fund is 4 to 7 years past its first sale and no newer Form D has been filed.
01 · Says / Does
| Tag | Says | Does |
|---|---|---|
| Stages | Not stated | Not enough dated deals |
| Sectors | Biotech | Biotech |
| Regions | Global | Not enough dated deals |
Says: what the firm's funds state. Does: from 2 dated deals in the last 24 months.
02 · Fund history
| Fund | Year | Size | Status |
|---|---|---|---|
| AMR Action Fund, L.P. | approx. 2020 | $1250M (Form D) | Follow-ons only |
| AMR Action Fund, SCSp. | approx. 2020 | $1250M (Form D) | Follow-ons only |
03 · People across funds
- Carly Levine, Senior Associate
AMR Action Fund, L.P. (Team); AMR Action Fund, SCSp. (Team)
- Henni-Karoliina Ropponen, Venture Associate
AMR Action Fund, L.P. (Team); AMR Action Fund, SCSp. (Team)
- Henry Skinner, Chief Executive Officer
AMR Action Fund, L.P. (Team); AMR Action Fund, SCSp. (Team)
- Isabella Santi, Venture Associate
AMR Action Fund, L.P. (Team); AMR Action Fund, SCSp. (Team)
- Junjun Gao, Principal
AMR Action Fund, L.P. (Team); AMR Action Fund, SCSp. (Team)
- Martin Heidecker, Chief Investment Officer
AMR Action Fund, L.P. (Team); AMR Action Fund, SCSp. (Team)
- Carly Levine, PhD, Senior Associate
On the team page, not linked to a fund
- Henni-Karoliina Ropponen, PhD, Venture Associate
On the team page, not linked to a fund
- Henry Skinner, PhD, MBE, MJur, Chief Executive Officer
On the team page, not linked to a fund
- Isabella Santi, PhD, Venture Associate
On the team page, not linked to a fund
- Junjun Gao, PhD, Principal
On the team page, not linked to a fund
- Martin Heidecker, PhD, MBA, Chief Investment Officer
On the team page, not linked to a fund
04 · Recent deals
05 · Latest from the firm
- InvestmentVedanta Biosciences Secures New Funding to Advance Phase 3 ProgramAug 6, 2026
- InvestmentTrellis Bioscience Raises $9 Million to Advance Phase 2 Trial of mAb for PJIsJul 16, 2026
06 · Sources
- https://amractionfund.com/
- https://www.amractionfund.com/team
- https://www.amractionfund.com/investments
- https://www.amractionfund.com/blog/vedanta-biosciences-secures-new-funding-to-advance-phase-3-program
- https://www.amractionfund.com/about
- https://www.amractionfund.com/blog/trellis-bioscience-raises-9-million-to-advance-phase-2-trial-of-mab-for-pjis
Fund dates and sizes are from SEC Form D filings.
Last verified: Oct 25, 2026