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, Q1 2026
Institutional positions in Adagio Medical Holdings, Inc. as of Mar 31, 2026. 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
- 23
- +3 vs. Q4 2025
- Shares held
- 15.7M
- −815.0K (−4.9%) vs. Q4 2025
- Total value
- $17.7M
- +$529.5K (+3.1%) vs. Q4 2025
- New holders
- 6
- 4 more added
- Sold out
- 3
- 2 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Adagio Medical Holdings, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Perceptive Advisors LLC | 9,876,576 | $11.0M | 0.22% | 00.0% | Unchanged |
| Sio Capital Management, LLC | 1,288,461 | $1.48M | 0.21% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 1,258,501 | $1.45M | 0.00% | 00.0% | Unchanged |
| ADAR1 Capital Management, LLC | 1,205,447 | $1.39M | 0.08% | +45,833+4.0% | Added |
| Alyeska Investment Group, L.P. | 1,159,615 | $1.33M | 0.00% | 00.0% | Unchanged |
| Silverarc Capital Management, LLC | 251,972 | $289.8K | 0.03% | −263,412−51.1% | Reduced |
| Shaolin Capital Management LLC | 171,170 | $196.8K | 0.01% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 125,241 | $144.0K | 0.00% | +56,899+83.3% | Added |
| Affinity Asset Advisors, LLC | 80,000 | $92.0K | 0.01% | 00.0% | Unchanged |
| Vanguard Fiduciary Trust Co | 53,782 | $61.8K | 0.00% | +53,782 | New |
| Vanguard Capital Management LLC | 39,608 | $45.5K | 0.00% | +39,608 | New |
| Granite Investment Partners, LLC | 27,053 | $31.1K | 0.00% | +27,053 | New |
| Toronto Dominion Bank | 25,000 | $28.8K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 23,350 | $26.9K | 0.00% | +5,247+29.0% | Added |
| Northern Trust Corp | 21,598 | $24.8K | 0.00% | 00.0% | Unchanged |
| Opaleye Management Inc. | 18,444 | $21.2K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 16,557 | $19.0K | 0.00% | +16,557 | New |
| Bank of America Corp | 12,857 | $14.8K | 0.00% | +1,363+11.9% | Added |
| Tower Research Capital LLC (TRC) | 2,202 | $2.53K | 0.00% | −5,944−73.0% | Reduced |
| JPMorgan Chase & Co | 975 | $1.05K | 0.00% | +975 | New |
| Crewe Advisors LLC | 500 | $575 | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 137 | $158 | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 1 | $1 | 0.00% | +1 | New |
| Armistice Capital, LLC | 0 | $0 | 0.00% | −478,000−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −296,369−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −18,618−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |