Alkermes plc.ALKSEarnings & Financial Report
Nasdaq · Health Care · Pharmaceutical Preparations
Alkermes plc is a fully-integrated biopharmaceutical company that focuses on developing medicines for psychiatric and neurological disorders. The company was founded in 1987 by Michael Wall. In September 2011 Alkermes, Inc. merged with Elan Drug Technologies (EDT), the former drug formulation and manufacturing division of Élan Corporation, plc. The company is headquartered in Dublin, and has an R&D center in Waltham, Massachusetts, and a manufacturing facility in Wilmington, Ohio.
Top Holders
| Holder | % Owned | Shares | Change | As of |
|---|---|---|---|---|
| BlackRock, Inc. | 18.00% | 30.0M | — | 2024-01-08 |
| The Vanguard Group | 11.52% | 19.0M | flat | 2024-11-12 |
| T. ROWE PRICE ASSOCIATES, INC. | 7.90% | 13.0M | — | 2024-11-14 |
| Wellington Management Group LLP | 7.69% | 12.7M | ▼ -1.44pp | 2024-11-08 |
| STATE STREET CORPORATION | 5.60% | 1.6K | — | 2024-01-24 |
| Sarissa Capital Management LP | 5.00% | 8.3M | — | 2023-08-24 |
Insider Transactions
Net 90d: −$1.16M · buys $0 / sells $1.16MRange:
Action:
Role:
| Insider | Role | Action | ||||
|---|---|---|---|---|---|---|
| 2026-04-11 | Nancy Lurker | Director | Option exercise | 3.8K | — | — |
| 2026-04-06 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell (open market) | 2.0K | $34.57 | $70.3K |
| 2026-04-01 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Option exercise | 5.0K | $19.34 | $96.7K |
| 2026-04-01 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell (open market) | 9.0K | $35.51 | $319.6K |
| 2026-03-03 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell (open market) | 2.0K | $29.76 | $60.5K |
| 2026-03-02 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell (open market) | 6.0K | $30.00 | $180.0K |
| 2026-03-02 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Option exercise | 5.0K | $19.34 | $96.7K |
| 2026-03-02 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell (open market) | 9.0K | $29.72 | $267.5K |
| 2026-03-02 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell (open market) | 2.0K | $29.29 | $59.6K |
| 2026-03-02 | Parisi Samuel Joseph | VP, Finance (Interim PAO) | Sell (open market) | 6.9K | $29.29 | $201.8K |
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