Adagio Medical Holdings, Inc.
ADGM- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0002006986
No open-market purchases or sales by Adagio Medical Holdings, Inc. insiders were filed in the last 90 days; 24 institutions reported holding it in 13F filings for Q2 2026, worth $9.83M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Adagio Medical Holdings, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 21
- +6 vs. Q3 2025
- Shares held
- 16.6M
- +4.91M (+42.2%) vs. Q3 2025
- Total value
- $17.2M
- −$5.36M (−23.8%) vs. Q3 2025
- New holders
- 11
- 5 more added
- Sold out
- 5
- 2 more reduced
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ADGM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 24 | $9.83M |
| Q1 2026 | 23 | $17.7M |
| Q4 2025 | 21 | $17.2M |
| Q3 2025 | 15 | $22.6M |
| Q2 2025 | 12 | $14.9M |
| Q1 2025 | 15 | $9.33M |
| Q4 2024 | 15 | $11.3M |
| Q3 2024 | 12 | $31.0M |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Adagio Medical Holdings, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Perceptive Advisors LLC | 9,876,576 | $10.3M | 0.19% | 00.0% | Unchanged |
| Sio Capital Management, LLC | 1,288,461 | $1.34M | 0.22% | +1,288,461 | New |
| Adage Capital Partners GP, L.L.C. | 1,258,501 | $1.31M | 0.00% | +200,000+18.9% | Added |
| Alyeska Investment Group, L.P. | 1,159,615 | $1.21M | 0.00% | +1,159,615 | New |
| ADAR1 Capital Management, LLC | 1,159,614 | $1.21M | 0.09% | +1,159,614 | New |
| Silverarc Capital Management, LLC | 515,384 | $536.0K | 0.08% | +515,384 | New |
| Armistice Capital, LLC | 478,000 | $497.1K | 0.01% | +478,000 | New |
| Hudson Bay Capital Management LP | 296,369 | $308.2K | 0.00% | +296,369 | New |
| Shaolin Capital Management LLC | 171,170 | $178.0K | 0.01% | −8,830−4.9% | Reduced |
| Affinity Asset Advisors, LLC | 80,000 | $83.2K | 0.01% | 00.0% | Unchanged |
| Vanguard Group Inc | 79,451 | $82.6K | 0.00% | +46,373+140.2% | Added |
| Geode Capital Management, LLC | 68,342 | $71.1K | 0.00% | +32,100+88.6% | Added |
| Toronto Dominion Bank | 25,000 | $26.0K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 21,598 | $22.5K | 0.00% | +21,598 | New |
| Opaleye Management Inc. | 18,444 | $19.2K | 0.00% | −92,127−83.3% | Reduced |
| HRT Financial LP | 18,618 | $19.0K | 0.00% | +18,618 | New |
| XTX Topco Ltd | 18,103 | $18.8K | 0.00% | +18,103 | New |
| Bank of America Corp | 11,494 | $12.0K | 0.00% | +11,465+39,534.5% | Added |
| Tower Research Capital LLC (TRC) | 8,146 | $8.47K | 0.00% | +6,062+290.9% | Added |
| Crewe Advisors LLC | 500 | $520 | 0.00% | +500 | New |
| Morgan Stanley | 137 | $142 | 0.00% | +137 | New |
| RTW Investments, LP | 0 | $0 | 0.00% | −209,361−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −27,000−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −83−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −1−100.0% | Sold out |