
The AMR Action Fund is the world's largest venture capital fund dedicated to investing in urgently needed antimicrobial therapeutics. It makes equity investments in small and mid-size biotech companies developing treatments for patients suffering from life-threatening antimicrobial-resistant infections.
65% of their portfolio is in Biotech & Life Sciences. Deal activity increased 300% year-over-year (4 deals in the last 12 months). Average disclosed round size is $44.3M (across 12 rounds with reported amounts).
Portfolio
16
Fund Size
$1B
Top Stage
Series B
Last 12 Mo
4
Team
Chris Sweeney, MSJ
Executive Director, Communications and Media Relations
Deepali Patel, MPH
Director of International Policy
Junjun Gao, PhD
Principal
Henni-Karoliina Ropponen, PhD
Venture Associate
Isabella Santi, PhD
Venture Associate
Martin Heidecker, PhD, MBA
Chief Investment Officer
David Hellmuth, JD
Chief Legal Officer, Chief Compliance Officer, Chief Operating Officer
Henry Skinner, PhD, MBE, MJur
Chief Executive Officer
Portfolio Breakdown
Stage Distribution
Investment Activity
Portfolio
| Company | Round | Amount | Date |
|---|---|---|---|
| Series E | — | Sep 2026 | |
| TTennor | Series E | $41M | Sep 2026 |
| Series C | $9M | Jul 2026 | |
| Series A | — | Feb 2026 | |
| Series E | — | Oct 2024 | |
| Series B | $81M | Jun 2024 | |
| SSfunga Therapeutics | Series B | $81M | Jun 2024 |
| BBioVersys | Series C | $32.6M | May 2024 |
| FF2G | Series H | $100M | Jan 2024 |
| Series D | $40M | Jan 2024 | |
| Seed | — | Dec 2023 | |
| Series B | $35.4M | Dec 2020 | |
| Series C | $16.6M | Sep 2019 | |
| Series B | — | Jul 2017 | |
| Unknown | $28.7M | — | |
| CCentauri | Series A | — | — |
| TTelum Therapeutics | Series A | — | — |
| TTennor | Series B | $25M | — |
| VVenatorx Pharmaceuticals | Series C | — | — |
| AAdaptive Phage Therapeutics | Series B | $40.8M | — |
Top Co-Investors
Last updated: 20 October 2026