Quick Takeaways
- Sio Capital Management, LLC filed SCHEDULE 13G for Adagio Medical Holdings, Inc. Common Stock, par value, $0.0001 per share (ADGM).
- Disclosed ownership: 6.1%.
- Date of event: 31 Dec 2025.
Sio Capital Management, LLC - 31 Dec 2025 SCHEDULE 13G Report for Adagio Medical Holdings, Inc. Common Stock, par value, $0.0001 per share (ADGM)
- Filing Manager
- Sio Capital Management, LLC
- Reporting Manager
- Sio Capital Management, LLC
- Symbol
- ADGM
- Shares outstanding
- 21,191,793 shares
- Disclosed Ownership
- 1,288,461 shares
- Ownership
- 6.1%
- Form type
- SCHEDULE 13G
- Filing time
- 11 Feb 2026, 16:39:17 UTC
- Date of event
- 31 Dec 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Sio Capital Management, LLC disclosed 6.1% ownership in Adagio Medical Holdings, Inc. Common Stock, par value, $0.0001 per share (ADGM) on 31 Dec 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 11 Feb 2026, 16:39.
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
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Sio Capital Management, LLC | 6.1% | 1,288,461 | 0 | 1,288,461 | /s/ Jin W. Lee | Chief Compliance Officer |