ALKS
Alkermes plc
NASDAQ · IEHealthcareBiotechnology
$52.41-0.60%
Price as of Jul 20, 2026
ALKS ownership
Alkermes plc ownership & insider activity
Latest available institutional positioning and SEC Form 4 insider transactions, coalesced at the company entity level when listings share coverage.
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
9
Net (3m)
-$2.2M
Insider trades by month Buys Sells
Feb
Mar
Apr
May
Jun
Jul
Context3-month price +53.9%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 6, 2026 | Gaffin David Josephofficer: EVP, CLO, Alkermes, Inc. | Sell | 2,034 | $54.03 |
| Jul 1, 2026 | Hopkinson Craig C.officer: EVP R&D, Chief Medical Officer | Option | 5,000 | $19.34 |
| Jul 1, 2026 | Hopkinson Craig C.officer: EVP R&D, Chief Medical Officer | Sell | 8,300 | $51.46 |
| Jul 1, 2026 | Hopkinson Craig C.officer: EVP R&D, Chief Medical Officer | Sell | 700 | $52.13 |
| Jun 12, 2026 | Wright Christopher Idirector | Sell | 2,000 | $45.10 |
| Jun 4, 2026 | Gaffin David Josephofficer: EVP, CLO, Alkermes, Inc. | Sell | 2,034 | $43.05 |
| Jun 1, 2026 | Hopkinson Craig C.officer: EVP R&D, Chief Medical Officer | Sell | 9,000 | $41.67 |
| Jun 1, 2026 | Hopkinson Craig C.officer: EVP R&D, Chief Medical Officer | Option | 5,000 | $19.34 |
| May 29, 2026 | Parisi Samuel Josephofficer: VP, Finance (Interim PAO) | Option | 3,392 | $20.03 |
| May 29, 2026 | Parisi Samuel Josephofficer: VP, Finance (Interim PAO) | Option | 12,825 | $19.34 |
| May 29, 2026 | Parisi Samuel Josephofficer: VP, Finance (Interim PAO) | Sell | 16,217 | $42.36 |
| May 22, 2026 | Lurker Nancydirector | Option | 6,142 | — |
| May 22, 2026 | LAURENCIN CATO Tdirector | Tax | 1,475 | $36.95 |
| May 22, 2026 | MCKEON BRIAN Pdirector | Grant | 5,409 | — |
| May 22, 2026 | LAURENCIN CATO Tdirector | Grant | 5,409 | — |
| May 22, 2026 | Wilson Frank Andersdirector | Grant | 11,538 | $36.98 |
| May 22, 2026 | snyderman nancy lynn MDdirector | Grant | 11,538 | $36.98 |
| May 22, 2026 | Cooke Shanedirector | Grant | 11,538 | $36.98 |
| May 22, 2026 | GAYNOR RICHARDdirector | Grant | 11,538 | $36.98 |
| May 22, 2026 | GAYNOR RICHARDdirector | Tax | 1,475 | $36.95 |
| May 22, 2026 | Lurker Nancydirector | Grant | 5,409 | — |
| May 22, 2026 | Cooke Shanedirector | Grant | 5,409 | — |
| May 22, 2026 | Wilson Frank Andersdirector | Tax | 1,475 | $36.95 |
| May 22, 2026 | Wright Christopher Idirector | Option | 6,142 | — |
| May 22, 2026 | snyderman nancy lynn MDdirector | Grant | 5,409 | — |
| May 22, 2026 | Lurker Nancydirector | Grant | 11,538 | $36.98 |
| May 22, 2026 | MCKEON BRIAN Pdirector | Tax | 1,475 | $36.95 |
| May 22, 2026 | MCKEON BRIAN Pdirector | Grant | 11,538 | $36.98 |
| May 22, 2026 | Wright Christopher Idirector | Grant | 11,538 | $36.98 |
| May 22, 2026 | snyderman nancy lynn MDdirector | Option | 6,142 | — |
Source: ALKS SEC Form 4 filings, latest Jul 6, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their ALKS positions over the last 6 months (SEC Form 13F).
Increased
272
New positions
139
Reduced
280
Sold out
96
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 28.3M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 28.3M | Feb 12, 2026 |
| VANGUARD GROUP INC | Reduced | 18.0M | Jan 29, 2026 |
| BAKER BROS. ADVISORS LP | Increased | 10.0M | Feb 17, 2026 |
| BAKER BROS. ADVISORS LP | Unchanged | 10.0M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 9.5M | May 8, 2026 |
| STATE STREET CORP | Increased | 9.5M | Feb 13, 2026 |
| STATE STREET CORP | Reduced | 9.5M | May 15, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | 9.0M | Feb 17, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 7.4M | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 6.7M | Feb 12, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 6.2M | May 14, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 6.1M | May 15, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 6.0M | Feb 13, 2026 |
| JPMORGAN CHASE & CO | Increased | 5.2M | Feb 11, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.