Alkermes Inc. plc (ALKS) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for ALKS. 13F holdings as of 2026-06-30.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock | 29,235,739 | $1.5B | INCREASED |
| Vanguard | 18,464,981 | $967M | INCREASED |
| Baker Bros. Advisors | 10,012,267 | $525M | UNCHANGED |
| State Street | 9,160,575 | $480M | DECREASED |
| T. Rowe Price | 7,828,275 | $410M | INCREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| David Joseph Gaffin (EVP, CLO, Alkermes, Inc.) | SELL | 2,034 | $98K | 2026-09-03 |
| Craig C. Hopkinson (EVP R&D, Chief Medical Officer) | EXERCISE | 5,000 | $123K | 2026-09-01 |
| Craig C. Hopkinson (EVP R&D, Chief Medical Officer) | SELL | 9,000 | $423K | 2026-09-01 |
| Christian Todd Nichols (SVP, Chief Commercial Officer) | SELL | 664 | $33K | 2026-08-17 |
| Christian Todd Nichols (SVP, Chief Commercial Officer) | SELL | 6,912 | $340K | 2026-08-17 |
Full institutional holdings, insider history, and congressional trades for Alkermes Inc. plc on SentiSense.