ADGMNasdaqSurgical & Medical Instruments & ApparatusFiscal year ends December 31
Adagio Medical Holdings, Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 11, 2026
$0.12+0.02 (+21.21%)
Close on Oct 19, 2026
- Market cap
- $2.67M
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
67.9%
15M of 22M shares
Institutional holders
24
4 new, 3 sold out
Net institutional buying
-1M
In Q2 2026
Insider trades, 12 months
2 buys · 0 sales
Net bought $243.97K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Alyeska Fund GP, LLC | 2,096,784 | 9.90% | 13G (passive) | Dec 31, 2025 |
| Peter Kolchinsky | 1,613,220 | 9.90% | 13G (passive) amendment | Dec 31, 2024 |
| Perceptive Advisors LLC | 15,321,655 | 55.40% | 13G (passive) amendment | Mar 31, 2026 |
| Joseph Edelman | 15,321,655 | 57.50% | 13G (passive) amendment | Dec 31, 2025 |
| Phillip Gross | 1,258,501 | 5.67% | 13G (passive) amendment | Mar 31, 2026 |
| Daniel Schneeberger | 1,205,447 | 5.40% | 13G (passive) amendment | Jun 30, 2026 |
| ADAR1 Capital Management, LLC | 1,205,447 | 5.70% | 13G (passive) | Dec 31, 2025 |
| Rajeev Shah | 1,200,000 | 7.20% | 13G (passive) amendment | Jun 30, 2025 |
| RA Capital Management, L.P. | 1,200,000 | 7.20% | 13G (passive) amendment | Mar 31, 2025 |
| Adage Capital Management, L.P. | 1,058,501 | 6.88% | 13G (passive) amendment | Sep 30, 2025 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of ADGM | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Perceptive Advisors LLC | 9,876,586 | 44.47% | $6.44M | +10 | 0.10% |
| Adage Capital Partners Gp, L.L.C. | 1,258,501 | 5.67% | $820.04K | – | 0.00% |
| ADAR1 Capital Management, LLC | 1,205,447 | 5.43% | $785.47K | – | 0.04% |
| Alyeska Investment Group, L.P. | 1,159,615 | 5.22% | $755.61K | – | 0.00% |
| Sio Capital Management, LLC | 698,989 | 3.15% | $455.46K | −589,472 | 0.08% |
| Silverarc Capital Management, LLC | 224,360 | 1.01% | $146.19K | −27,612 | 0.02% |
| Shaolin Capital Management LLC | 171,170 | 0.77% | $111.53K | – | 0.01% |
| Vanguard Capital Management LLC | 108,954 | 0.49% | $71.04K | +69,346 | 0.00% |
| Affinity Asset Advisors, LLC | 80,000 | 0.36% | $52.13K | – | 0.00% |
| Geode Capital Management, LLC | 79,115 | 0.36% | $51.55K | −46,126 | 0.00% |
| Vanguard Fiduciary Trust Co | 53,782 | 0.24% | $35.07K | – | 0.00% |
| Northern Trust Corp | 30,875 | 0.14% | $20.12K | +9,277 | 0.00% |
| Toronto Dominion Bank | 25,000 | 0.11% | $16.30K | – | 0.00% |
| Opaleye Management Inc. | 18,444 | 0.08% | $13.35K | – | 0.00% |
| XTX Topco Ltd | 18,153 | 0.08% | $11.83K | −5,197 | 0.00% |
| Citadel Advisors LLC | 16,155 | 0.07% | $10.53K | New | 0.00% |
| Hrt Financial LP | 13,705 | 0.06% | $8 | New | 0.00% |
| Citigroup Inc | 13,255 | 0.06% | $8.64K | +13,254 | 0.00% |
| Bank Of America Corp /De/ | 11,531 | 0.05% | $7.51K | −1,326 | 0.00% |
| Tower Research Capital LLC (TRC) | 6,454 | 0.03% | $4.21K | +4,252 | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 24 | 15M | 67.9% | 4 / 5 | 5 / 3 | 0M | 1M |
| Q1 2026 | 23 | 16M | 70.5% | 6 / 4 | 2 / 3 | 0M | 1M |
| Q4 2025 | 21 | 17M | 74.5% | 11 / 5 | 2 / 5 | 5M | 0M |
| Q3 2025 | 15 | 12M | 52.4% | 4 / 1 | 4 / 1 | 0M | 1M |
| Q2 2025 | 12 | 12M | 53.4% | 1 / 6 | 3 / 4 | 1M | 0M |
| Q1 2025 | 15 | 12M | 52.2% | 3 / 4 | 2 / 3 | 1M | 0M |
| Q4 2024 | 15 | 11M | 48.6% | 5 / 4 | 2 / 2 | 0M | 1M |
| Q3 2024 | 12 | 12M | 54.1% | 12 / 0 | 0 / 0 | 12M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of ADGM | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Extended Market Index Fund | 91,512 | 0.41% | $59.63K | 0.00% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 66,969 | 0.30% | $48.49K | 0.00% | May 31, 2026 |
| Vanguard Total Stock Market Index Fund | 17,442 | 0.08% | $11.37K | 0.00% | Jun 30, 2026 |
| Fidelity Series Total Market Index Fund | 10,400 | 0.05% | $7.53K | 0.00% | May 31, 2026 |
| Fidelity Nasdaq Composite Index Fund | 5,436 | 0.02% | $3.94K | 0.00% | May 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Todd Usen | Chief Executive Officer, Director | 207,315 | 0.93% | Mar 9, 2026 |
| Deborah Kaster | Chief Financial Officer | 15,000 | 0.07% | Mar 9, 2026 |
| Dan George | Interim CFO | – | – | Apr 28, 2025 |
| Orly Mishan | Director | – | – | Aug 12, 2026 |
| Sean Salmon | Director | – | – | Aug 12, 2026 |
| James L. Cox | Director | 36,698 | 0.17% | Aug 12, 2026 |
| Keyvan Mirsaeedi-Farahani | Director | – | – | Aug 12, 2026 |
| Timothy P. Moran | Director | – | – | Aug 12, 2026 |
| Sandra A. Gardiner | Director | – | – | Aug 12, 2026 |
| Advisors Llc Perceptive | Director, 10% owner | 9,876,586 | 44.47% | Oct 22, 2025 |
| Life Sciences LLC C2 | Director, 10% owner | – | – | Feb 14, 2025 |
| Joseph Edelman | 10% owner | – | – | Oct 22, 2025 |
| Life Sciences Master Fund Ltd Perceptive | 10% owner | – | – | Oct 22, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Deborah Kaster Chief Financial Officer | Dec 16, 2025 | Buy | +15,000 | $1.20 | $18.00K | 15,000 |
| Todd Usen Chief Executive Officer, Director | Dec 12, 2025 | Buy | +207,315 | $1.09 | $225.97K | 207,315 |
| Advisors Llc Perceptive Director, 10% owner | Jan 22, 2025 | Award | +64,167 | – | – | 9,675,684 |
| Adam Leo Stone 10% owner | Sep 27, 2024 | Other | −3,501,600 | – | – | 0 |
| James L. Cox Director | Jul 31, 2024 | Other | +36,698 | – | – | 36,698 |
| Hakon Bergheim Chief Operating Officer | Jul 31, 2024 | Other | +7,539 | – | – | 7,539 |
| Olav Bergheim CEO, Director | Jul 31, 2024 | Other | +22,081 | – | – | 22,081 |
| Olav Bergheim CEO, Director | Jul 31, 2024 | Other | +212,053 | – | – | 212,053 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.