Adagio Medical Ownership | Who Owns Adagio Medical?
Adagio Medical Ownership Summary
Adagio Medical is owned by 75.67% institutional investors, 8.00% insiders, and 16.34% retail investors. Perceptive advisors is the largest institutional shareholder, holding 64.21% of ADGM shares.
ADGM Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Adagio Medical | 75.67% | 8.00% | 16.34% |
| Sector | Healthcare Stocks | 42.53% | 10.81% | 46.67% |
| Industry | Medical Device Stocks | 37.80% | 10.03% | 52.17% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Perceptive advisors | 9.88M | 64.21% | $19.16M |
| Adage capital partners gp | 1.06M | 6.88% | $2.05M |
| Rtw investments, lp | 209.36K | 1.36% | $406.16K |
| Shaolin capital management | 180.00K | 1.17% | $349.20K |
| Opaleye management | 110.57K | 0.72% | $214.51K |
| Affinity asset advisors | 80.00K | 0.52% | $155.20K |
| Geode capital management | 36.24K | 0.24% | $70.31K |
| Vanguard group | 33.08K | 0.21% | $64.17K |
| Renaissance | 27.00K | 0.18% | $52.38K |
| Toronto dominion bank | 25.00K | 0.16% | $48.50K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Perceptive advisors | 9.88M | 0.55% | $19.16M |
| Opaleye management | 110.57K | 0.03% | $214.51K |
| Shaolin capital management | 180.00K | 0.02% | $349.20K |
| Affinity asset advisors | 80.00K | 0.01% | $155.20K |
| Rtw investments, lp | 209.36K | 0.01% | $406.16K |
| Adage capital partners gp | 1.06M | 0.00% | $2.05M |
| Tower research capital llc (trc) | 2.08K | 0.00% | $4.04K |
| Renaissance | 27.00K | 0.00% | $52.38K |
| Toronto dominion bank | 25.00K | 0.00% | $48.50K |
| Vanguard group | 33.08K | - | $64.17K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Adage capital partners gp | 1.06M | 0.00% | 237.24K |
| Vanguard group | 33.08K | - | 33.08K |
| Renaissance | 27.00K | 0.00% | 27.00K |
| Barclays | 14.00 | - | 14.00 |
| Citigroup | 1.00 | - | 1.00 |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Shaolin capital management | 180.00K | 0.02% | -436.16K |
| Jpmorgan chase | - | - | -100.00K |
| Adar1 capital management | - | - | -76.76K |
| Cresset asset management | - | - | -30.00K |
| Ubs group | 83.00 | - | -12.48K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Vanguard group | 33.08K | - | 33.08K | $64.17K |
| Renaissance | 27.00K | 0.00% | 27.00K | $52.38K |
| Barclays | 14.00 | - | 14.00 | $27.00 |
| Citigroup | 1.00 | - | 1.00 | $2.00 |
Sold Out
| Holder | Change |
|---|---|
| Xtx topco | -11.44K |
| Cresset asset management | -30.00K |
| Adar1 capital management | -76.76K |
| Jpmorgan chase | -100.00K |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 15 | 15.38% | 11,638,540 | -2.05% | 75 | 1.27% | 5 | -37.50% | 4 | 33.33% |
| Jun 30, 2025 | 13 | -7.14% | 11,882,184 | 2.49% | 77 | 1.36% | 8 | 33.33% | 3 | 50.00% |
| Mar 31, 2025 | 14 | -6.67% | 11,593,031 | 7.33% | 75 | 1.43% | 6 | -33.33% | 2 | - |
| Dec 31, 2024 | 15 | 25.00% | 10,801,797 | -10.13% | 72 | 1.06% | 9 | -25.00% | 2 | - |
| Sep 30, 2024 | 12 | - | 12,019,550 | - | 82 | - | 12 | - | - | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 20, 2025 | PERCEPTIVE ADVISORS LLC | Buy | $219.05 | |
| Oct 20, 2025 | PERCEPTIVE ADVISORS LLC | Buy | $2.30M | |
| Oct 20, 2025 | PERCEPTIVE ADVISORS LLC | Buy | $2.30M | |
| Oct 20, 2025 | PERCEPTIVE ADVISORS LLC | Buy | $2.30M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | 4 | - |
| 2025 Q3 | - | - |
| 2025 Q2 | - | - |
| 2025 Q1 | - | - |
| 2024 Q4 | - | - |
ADGM Ownership FAQ
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