Alkermes plc.
ALKS- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001520262
Insider trades, last 90 days
0 buys · 8 sells
- Sold $4.24M
- Open-market purchases (P) and sales (S), counted by Form 4 filing.
13F holders, Q2 2026
425
- +35 vs. Q1 2026
- Total value $9.32B
Superinvestors holding ALKS
0
- None of the superinvestors held ALKS at the end of Q2 2026.
Price chart
Latest insider trades
View all: Latest insider tradesOpen-market purchases and sales by ALKS insiders, newest first.
| Filed (ET) | Trade date | Insider | Transaction | Shares | Avg price | Value | Shares after | Holding change | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Sep 3, 20266:32 PM ET | Sep 3, 2026 | Gaffin David JosephEVP, CLO, Alkermes, Inc. | SSaleOrdinary Shares | −2.03K | $48.01 | −$97.65K | 223.42K | −0.9% | SEC10b5-1 |
| Sep 1, 20267:08 PM ET | Sep 1, 2026 | Hopkinson Craig C.EVP R&D, Chief Medical Officer | SSaleOrdinary Shares | −9K | $46.986 | −$422.87K | 65.39K | −12.1% | SEC10b5-1 |
| Aug 17, 20266:53 PM ET | Aug 17, 2026 | Nichols Christian ToddSVP, Chief Commercial Officer | SSaleOrdinary Shares | −7.58K | $49.2261 | −$372.94K | 102.19K | −6.9% | SEC10b5-1 |
| Aug 3, 20267:16 PM ET | Aug 3, 2026 | snyderman nancy lynn MDDirector | SSaleOrdinary Shares | −44.47K | $50.348 | −$2.24M | 15.4K | −74.3% | SEC |
| Aug 3, 20267:12 PM ET | Aug 3, 2026 | Hopkinson Craig C.EVP R&D, Chief Medical Officer | SSaleOrdinary Shares | −9K | $48.58 | −$437.22K | 69.39K | −11.5% | SEC10b5-1 |
Top 5 13F holders, Q2 2026
View all: Top 5 13F holders, Q2 2026The largest institutional positions in ALKS at the end of Q2 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 29,235,739 | $1.53B | 0.02% | +921,329+3.3% | Added |
| BAKER BROS. ADVISORS LP | 10,012,267 | $524.59M | 2.63% | 00.0% | Unchanged |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 9,490,818 | $497.27M | 0.02% | −20,294−0.2% | Reduced |
| STATE STREET CORP | 9,160,575 | $479.97M | 0.01% | −304,711−3.2% | Reduced |
| VANGUARD CAPITAL MANAGEMENT LLC | 7,515,025 | $393.75M | 0.01% | +87,628+1.2% | Added |