Reporting Manager
Alyeska Investment Group, L.P.
Symbol
ADGM
Shares outstanding
21,179,636 shares
Disclosed Ownership
2,096,784 shares
Ownership
9.9%
Form type
SCHEDULE 13G
Filing time
17 Feb 2026, 16:32:15 UTC
Date of event
31 Dec 2025

Quoteable Key Fact

"Alyeska Investment Group, L.P. disclosed 9.9% ownership in Adagio Medical Holdings, Inc. Common Stock, par value $0.0001per share (ADGM) on 31 Dec 2025."

Quick Takeaways

  • Alyeska Investment Group, L.P. filed SCHEDULE 13G for Adagio Medical Holdings, Inc. Common Stock, par value $0.0001per share (ADGM).
  • Disclosed ownership: 9.9%.
  • Date of event: 31 Dec 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 17 Feb 2026, 16:32.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Alyeska Investment Group, L.P. 9.9% 2,096,784 0 2,096,784 Jason Bragg Jason Bragg | Chief Financial Officer
Alyeska Fund GP, LLC 9.9% 2,096,784 0 2,096,784 Jason Bragg Jason Bragg | Chief Financial Officer
Anand Parekh 9.9% 2,096,784 0 2,096,784 Anand Parekh Anand Parekh | Self