ADGM Adagio Medical Holdings, Inc.: institutional ownership and insider trading
25 funds reported holding $9.91M of Adagio Medical Holdings, Inc. in their latest 13F filings; in Q2 2026 funds net sold $382K, with 4 new positions and 3 funds selling out; over the last 12 months insiders bought $244K and sold $0 on the open market.
Famous investors holding ADGM
- Ken Griffin (Citadel Advisors): $10.5K, 0.0% of the portfolio
Largest institutional holders of ADGM
- PERCEPTIVE ADVISORS LLC — $6.44M
- ADAGE CAPITAL PARTNERS GP, L.L.C. — $820K
- ADAR1 Capital Management, LLC — $785K
- Alyeska Investment Group, L.P. — $756K
- Sio Capital Management, LLC — $455K
- SILVERARC CAPITAL MANAGEMENT, LLC — $146K
- Shaolin Capital Management LLC — $112K
- VANGUARD GROUP INC — $82.6K
- VANGUARD CAPITAL MANAGEMENT LLC — $71.0K
- Affinity Asset Advisors, LLC — $52.1K
Recent ADGM insider trades
- Dec 16, 2025: Kaster Deborah bought 15,000 shares ($18.0K)
- Dec 12, 2025: Usen Todd bought 207,315 shares ($226K)
5%+ owners
- Perceptive Advisors LLC: 55.4% (Schedule 13G/A, filed May 15, 2026)
- Adage Capital Management, L.P.: 5.7% (Schedule 13G/A, filed May 13, 2026)
- ADAR1 Capital Management, LLC: 5.4% (Schedule 13G/A, filed Aug 14, 2026)