Reporting Manager
RA Capital Management, L.P.
Symbol
ADGM
Shares outstanding
16,666,667 shares
Disclosed Ownership
1,200,000 shares
Ownership
7.2%
Form type
SCHEDULE 13G/A
Filing time
26 Aug 2025, 16:59:08 UTC
Date of event
30 Jun 2025
Previous filing
15 May 2025

Quoteable Key Fact

"RA CAPITAL MANAGEMENT, L.P. disclosed 7.2% ownership in Adagio Medical Holdings, Inc. Common Stock, par value $0.0001 per share (ADGM) on 30 Jun 2025."

Quick Takeaways

  • RA CAPITAL MANAGEMENT, L.P. filed SCHEDULE 13G/A for Adagio Medical Holdings, Inc. Common Stock, par value $0.0001 per share (ADGM).
  • Disclosed ownership: 7.2%.
  • Date of event: 30 Jun 2025.

What Changed

  • Previous schedule filing date: 15 May 2025.
  • Current filing was accepted on 26 Aug 2025, 16:59.

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 (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
RA Capital Management, L.P. 7.2% 1,200,000 0 1,200,000 /s/ Peter Kolchinsky By Peter Kolchinsky, Authorized Signatory
Peter Kolchinsky 7.2% 1,200,000 0 1,200,000 /s/ Peter Kolchinsky Peter Kolchinsky
Rajeev Shah 7.2% 1,200,000 0 1,200,000 /s/ Rajeev Shah Rajeev Shah
RA Capital Healthcare Fund, L.P. 6.9% 1,140,000 0 1,140,000 /s/ Peter Kolchinsky By RA Capital Healthcare Fund GP, LLC, its General Partner, By Peter Kolchinsky, Manager