Adagio Medical Holdings, Inc. - ADGM

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
PERCEPTIVE ADVISORS LLC History No change 9,876,576 10,271 0.18% 0.55% 1 0 0.0% Q4 2025 Feb 17, 2026
Sio Capital Management, LLC History New 1,288,461 1,339 0.21% 2 +1,288,461 New Q4 2025 Feb 17, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C. History Added to 1,258,501 1,308 0.0% 0.0% 3 +200,000 18.89% Q4 2025 Feb 17, 2026
Alyeska Investment Group, L.P. History New 1,159,615 1,206 0.0% 4 +1,159,615 New Q4 2025 Feb 13, 2026
ADAR1 Capital Management, LLC History New 1,159,614 1,205 0.09% 5 +1,159,614 New Q4 2025 Feb 18, 2026
SILVERARC CAPITAL MANAGEMENT, LLC History New 515,384 535 0.07% 6 +515,384 New Q4 2025 Feb 12, 2026
ARMISTICE CAPITAL, LLC History New 478,000 497 0.01% 7 +478,000 New Q4 2025 Feb 17, 2026
Hudson Bay Capital Management LP History New 296,369 308 0.0% 8 +296,369 New Q4 2025 Feb 13, 2026
Shaolin Capital Management LLC History Reduced 171,170 178 0.01% 0.02% 9 -8,830 -4.91% Q4 2025 Feb 17, 2026
Opaleye Management Inc. History No change 110,571 114 0.02% 0.03% 10 0 0.0% Q4 2025 Feb 17, 2026
Affinity Asset Advisors, LLC History No change 80,000 83 0.0% 0.01% 11 0 0.0% Q4 2025 Feb 13, 2026
VANGUARD GROUP INC History Added to 79,451 82 0.0% 0.0% 12 +46,373 140.19% Q4 2025 Jan 29, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 68,342 71 0.0% 0.0% 13 +32,100 88.57% Q4 2025 Feb 09, 2026
TORONTO DOMINION BANK History No change 25,000 26 0.0% 0.0% 14 0 0.0% Q4 2025 Feb 17, 2026
NORTHERN TRUST CORP History New 21,598 22 0.0% 15 +21,598 New Q4 2025 Feb 17, 2026
HRT FINANCIAL LP History New 18,618 19 0.0% 16 +18,618 New Q4 2025 Feb 12, 2026
XTX Topco Ltd History New 18,103 18 0.0% 17 +18,103 New Q4 2025 Feb 17, 2026
BANK OF AMERICA CORP /DE/ History Added to 11,494 11 0.0% 18 +11,465 39534.48% Q4 2025 Feb 17, 2026
Tower Research Capital LLC (TRC) History Added to 8,146 8 0.0% 0.0% 19 +6,062 290.88% Q4 2025 Feb 17, 2026
RENAISSANCE TECHNOLOGIES LLC History Closed out 0 0 0.0% -27,000 -100.0% Q3 2025 Nov 13, 2025
Crewe Advisors LLC History New 500 0 +500 New Q4 2025 Jan 16, 2026
MORGAN STANLEY History New 137 0 +137 New Q4 2025 Feb 13, 2026
UBS Group AG History Closed out 0 0 -83 -100.0% Q3 2025 Nov 13, 2025
BARCLAYS PLC History Closed out 0 0 -14 -100.0% Q3 2025 Mar 31, 2026
CITIGROUP INC History Closed out 0 0 -1 -100.0% Q3 2025 Nov 10, 2025