Adagio Medical HoldingsADGM

13F holders, Q1 2025 (March 31)
15holders
3new positions
3sold out
1famous investor
$0.80avg. 13F price*

At the end of Q1 2025, 15 institutions reported holding Adagio Medical Holdings Inc. (ADGM) in their 13F filings, unchanged from Q4 2024. 3 opened new positions and 3 sold out. The largest holders were Perceptive Advisors LLC ($7.9M), Adage Capital Partners Gp, L.L.C. ($563K) and Shaolin Capital Management LLC ($209K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Adagio Medical Holdings Inc.
CUSIP
00534B100
Latest filing quarter
Q2 2026

History

Number of 13F holders

0510152025 Q3 2024: 12Q3 2024Q4 2024: 15Q4 2024Q1 2025: 15Q1 2025Q2 2025: 12Q2 2025Q3 2025: 15Q3 2025Q4 2025: 21Q4 2025Q1 2026: 23Q1 2026Q2 2026: 24Q2 2026

Total Exit/New Position Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions3$587K
Exits3$14K

All 13F filers, Q4 2024 → Q1 2025: 816,499 shares bought and 25,068 shares sold, net +791,431 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 15 holders

Perceptive Advisors LLC 0.28% No change 9,812,419 $7.9M
Adage Capital Partners Gp, L.L.C. 0.00% New 700,000 $563K
Shaolin Capital Management LLC 0.07% Add +31.6% 260,000 $209K
Affinity Asset Advisors, LLC 0.03% No change 213,235 $170K
RTW Investments, LP 0.00% No change 209,361 $169K
Opaleye Management Inc. 0.02% No change 110,571 $92K
JPMorgan Chase & Co. 0.00% No change 100,000 $80K
ADAR1 Capital Management, LLC 0.01% No change 76,757 $62K
Geode Capital Management, LLC 0.00% Add +61.7% 36,799 $29K
Toronto Dominion Bank 0.00% Add +54.4% 30,875 $25K
Citadel Advisors 0.00% New 28,877 $23K
XTX Topco Ltd 0.00% Reduce -46.0% 11,435 $9K
Tower Research Capital LLC (TRC) 0.00% Reduce -40.0% 2,670 $2K
Barclays PLC 0.00% New 197 $159
Bank of America Corp. 0.00% Add +10.3% 32 $26

"% of holder's portfolio" is ADGM's weight in each manager's 13F, not the share of Adagio Medical Holdings Inc. the manager owns.