ALKERMES PLC (ALKS) Stock Ownership and Short Interest
USA - NASDAQ:ALKS - IE00B56GVS15 - Common Stock
32.89 USD
+1.21 (+3.82%)
32.89 USD
0 (0%)
| Shares Outstanding | 165.08M |
| Float | 161.34M |
| Float Short Interest Percentage | 8.93% |
| Owners (insider) | 1.66% |
| Owners (institutional) | 104.46% |
| Owners (insider) change | 1.36% |
| Owners (institutional) change | 0.1% |
Insider Transactions
Top Institutional Holders
Insider Owners
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Nov 3, 2025 | Hopkinson Craig C. | Option Excercise | 5000 | 19.34 | $ 96,700.00 |
| Nov 3, 2025 | Hopkinson Craig C. | Open Market Sale | 9000 | 30.38 | $ 273,441.60 |
| Oct 15, 2025 | Hopkinson Craig C. | Option Excercise | 5000 | 19.34 | $ 96,700.00 |
| Oct 15, 2025 | Hopkinson Craig C. | Open Market Sale | 9000 | 31.53 | $ 283,776.30 |
| Aug 3, 2025 | Gaffin David Joseph | Option Excercise | 2014 | $ 0.00 | |
| Aug 3, 2025 | Gaffin David Joseph | Option Excercise | 895 | 26.55 | $ 23,762.25 |
| May 31, 2025 | Lurker Nancy | Option Excercise | 8013 | $ 0.00 | |
| May 31, 2025 | Lurker Nancy | Option Excercise | 1924 | 30.61 | $ 58,893.64 |
| May 31, 2025 | LAURENCIN CATO T | Option Excercise | 8013 | $ 0.00 | |
| May 31, 2025 | LAURENCIN CATO T | Option Excercise | 1924 | 30.61 | $ 58,893.64 |
| May 31, 2025 | GAYNOR RICHARD | Option Excercise | 8013 | $ 0.00 | |
| May 31, 2025 | GAYNOR RICHARD | Option Excercise | 1924 | 30.61 | $ 58,893.64 |
| May 31, 2025 | Cooke Shane | Option Excercise | 8013 | $ 0.00 | |
| May 31, 2025 | Cooke Shane | Option Excercise | 4175 | 30.61 | $ 127,796.75 |
| May 31, 2025 | Wright Christopher I | Option Excercise | 8013 | $ 0.00 | |
| May 31, 2025 | Wright Christopher I | Option Excercise | 1924 | 30.61 | $ 58,893.64 |
| May 31, 2025 | Wilson Frank Anders | Option Excercise | 8013 | $ 0.00 | |
| May 31, 2025 | Wilson Frank Anders | Option Excercise | 1924 | 30.61 | $ 58,893.64 |
| May 31, 2025 | snyderman nancy lynn MD | Option Excercise | 8013 | $ 0.00 | |
| May 31, 2025 | snyderman nancy lynn MD | Option Excercise | 1924 | 30.61 | $ 58,893.64 |
| May 31, 2025 | MCKEON BRIAN P | Option Excercise | 8013 | $ 0.00 | |
| May 31, 2025 | MCKEON BRIAN P | Option Excercise | 1924 | 30.61 | $ 58,893.64 |
| Apr 11, 2025 | Lurker Nancy | Option Excercise | 6075 | $ 0.00 | |
| Apr 11, 2025 | Lurker Nancy | Option Excercise | 1459 | 27.00 | $ 39,393.00 |
| Feb 28, 2025 | Parisi Samuel Joseph | Open Market Sale | 1938 | 34.00 | $ 65,892.00 |
| Feb 26, 2025 | Parisi Samuel Joseph | Option Excercise | 808 | 34.80 | $ 28,114.36 |
| Feb 26, 2025 | Nichols Christian Todd | Option Excercise | 5409 | $ 0.00 | |
| Feb 26, 2025 | Nichols Christian Todd | Option Excercise | 2402 | 34.80 | $ 83,577.59 |
| Feb 26, 2025 | Jackson Blair Curtis | Option Excercise | 8322 | $ 0.00 | |
| Feb 26, 2025 | Jackson Blair Curtis | Option Excercise | 3695 | 34.80 | $ 128,567.53 |
| Feb 26, 2025 | Hopkinson Craig C. | Option Excercise | 6866 | $ 0.00 | |
| Feb 26, 2025 | Hopkinson Craig C. | Option Excercise | 3049 | 34.80 | $ 106,089.96 |
| Feb 26, 2025 | Gaffin David Joseph | Option Excercise | 6866 | $ 0.00 | |
| Feb 26, 2025 | Gaffin David Joseph | Option Excercise | 3049 | 34.80 | $ 106,089.96 |
| Feb 26, 2025 | Brown Iain Michael | Option Excercise | 5617 | $ 0.00 | |
| Feb 26, 2025 | Brown Iain Michael | Option Excercise | 2494 | 34.80 | $ 86,778.73 |
| Feb 26, 2025 | Parisi Samuel Joseph | Option Excercise | 2746 | $ 0.00 | |
| Feb 25, 2025 | Parisi Samuel Joseph | Open Market Sale | 3743 | 35.26 | $ 131,978.18 |
| Feb 22, 2025 | Gaffin David Joseph | Option Excercise | 15121 | $ 0.00 | |
| Feb 22, 2025 | Gaffin David Joseph | Option Excercise | 6714 | 35.32 | $ 237,138.48 |
| Feb 22, 2025 | Jackson Blair Curtis | Option Excercise | 18432 | $ 0.00 | |
| Feb 22, 2025 | Jackson Blair Curtis | Option Excercise | 8185 | 35.32 | $ 289,094.20 |
| Feb 22, 2025 | Parisi Samuel Joseph | Option Excercise | 5398 | $ 0.00 | |
| Feb 22, 2025 | Parisi Samuel Joseph | Option Excercise | 1655 | 35.32 | $ 58,454.60 |
| Feb 22, 2025 | Brown Iain Michael | Option Excercise | 12934 | $ 0.00 | |
| Feb 22, 2025 | Brown Iain Michael | Option Excercise | 5741 | 35.32 | $ 202,772.12 |
| Feb 22, 2025 | Nichols Christian Todd | Option Excercise | 13517 | $ 0.00 | |
| Feb 22, 2025 | Nichols Christian Todd | Option Excercise | 6003 | 35.32 | $ 212,025.96 |
| Feb 22, 2025 | Hopkinson Craig C. | Option Excercise | 19968 | $ 0.00 | |
| Feb 22, 2025 | Hopkinson Craig C. | Option Excercise | 8866 | 35.32 | $ 313,147.12 |
| Feb 20, 2025 | Parisi Samuel Joseph | Open Market Sale | 1327 | 35.69 | $ 47,360.63 |
| Feb 18, 2025 | Parisi Samuel Joseph | Option Excercise | 2033 | $ 0.00 | |
| Feb 18, 2025 | Parisi Samuel Joseph | Option Excercise | 706 | 35.90 | $ 25,345.40 |
| Feb 18, 2025 | Nichols Christian Todd | Option Excercise | 6354 | $ 0.00 | |
| Feb 18, 2025 | Nichols Christian Todd | Option Excercise | 1869 | 35.90 | $ 67,097.10 |
| Feb 18, 2025 | Gaffin David Joseph | Option Excercise | 6354 | $ 0.00 | |
| Feb 18, 2025 | Gaffin David Joseph | Option Excercise | 2822 | 35.90 | $ 101,309.80 |
| Feb 18, 2025 | Brown Iain Michael | Option Excercise | 6354 | $ 0.00 | |
| Feb 18, 2025 | Brown Iain Michael | Option Excercise | 1869 | 35.90 | $ 67,097.10 |
| Feb 18, 2025 | Jackson Blair Curtis | Option Excercise | 8896 | $ 0.00 | |
| Feb 18, 2025 | Jackson Blair Curtis | Option Excercise | 3950 | 35.90 | $ 141,805.00 |
| Feb 18, 2025 | Hopkinson Craig C. | Option Excercise | 8896 | $ 0.00 | |
| Feb 18, 2025 | Hopkinson Craig C. | Option Excercise | 3950 | 35.90 | $ 141,805.00 |
| Feb 12, 2025 | Hopkinson Craig C. | Option Excercise | 343615 | 24.05 | $ 8,262,968.61 |
| Feb 12, 2025 | Hopkinson Craig C. | Open Market Sale | 349340 | 33.92 | $ 11,848,975.19 |
| Feb 6, 2025 | Nichols Christian Todd | Option Excercise | 7399 | 31.39 | $ 232,254.61 |
| Feb 6, 2025 | Jackson Blair Curtis | Grant | 34393 | $ 0.00 | |
| Feb 6, 2025 | Jackson Blair Curtis | Option Excercise | 10647 | 31.39 | $ 334,209.33 |
| Feb 6, 2025 | Hopkinson Craig C. | Grant | 34393 | $ 0.00 | |
| Feb 6, 2025 | Hopkinson Craig C. | Option Excercise | 15083 | 31.39 | $ 473,455.37 |
| Feb 6, 2025 | Gaffin David Joseph | Grant | 32350 | $ 0.00 | |
| Feb 6, 2025 | Gaffin David Joseph | Option Excercise | 9752 | 31.39 | $ 306,115.28 |
| Feb 6, 2025 | Brown Iain Michael | Grant | 24565 | $ 0.00 | |
| Feb 6, 2025 | Brown Iain Michael | Option Excercise | 7514 | 31.39 | $ 235,864.46 |
| Feb 6, 2025 | POPS RICHARD F | Grant | 190640 | $ 0.00 | |
| Feb 6, 2025 | POPS RICHARD F | Option Excercise | 79925 | 31.39 | $ 2,508,845.75 |
| Feb 6, 2025 | Nichols Christian Todd | Grant | 24565 | $ 0.00 | |
| Jan 30, 2025 | Hopkinson Craig C. | Option Excercise | 97632 | 22.22 | $ 2,169,136.62 |
| Jan 30, 2025 | Hopkinson Craig C. | Open Market Sale | 100918 | 32.05 | $ 3,234,381.53 |
| Dec 9, 2024 | Hopkinson Craig C. | Option Excercise | 48997 | 22.70 | $ 1,112,259.14 |
| Dec 9, 2024 | Hopkinson Craig C. | Open Market Sale | 61151 | 32.07 | $ 1,961,406.09 |
| Dec 9, 2024 | LAURENCIN CATO T | Open Market Sale | 2691 | 31.85 | $ 85,708.35 |
| Dec 8, 2024 | LAURENCIN CATO T | Option Excercise | 6854 | 8.84 | $ 60,601.32 |
| Dec 8, 2024 | LAURENCIN CATO T | Option Excercise | 958 | 31.46 | $ 30,138.68 |
| Dec 5, 2024 | Hopkinson Craig C. | Open Market Sale | 9221 | 31.50 | $ 290,461.50 |
| Dec 4, 2024 | Hopkinson Craig C. | Open Market Sale | 14349 | 30.77 | $ 441,550.30 |
| Nov 27, 2024 | Nichols Christian Todd | Open Market Sale | 5208 | 29.15 | $ 151,813.20 |
| Nov 11, 2024 | Hopkinson Craig C. | Option Excercise | 43058 | 20.03 | $ 862,451.74 |
| Nov 11, 2024 | Hopkinson Craig C. | Open Market Sale | 58996 | 30.08 | $ 1,774,576.08 |