Alkermes plc.
ALKS- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001520262
In the last 90 days, Alkermes plc. insiders filed 0 open-market purchases and 8 sales; 425 institutions reported holding it in 13F filings for Q2 2026, worth $9.32B in total; no superinvestor holds it.
13F holders, Q4 2023
Institutional positions in Alkermes plc. as of Dec 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 302
- −5 vs. Q3 2023
- Shares held
- 175.5M
- +13.2M (+8.1%) vs. Q3 2023
- Total value
- $4.87B
- +$306.2M (+6.7%) vs. Q3 2023
- New holders
- 56
- 121 more added
- Sold out
- 61
- 82 more reduced
2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ALKS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 425 | $9.32B |
| Q1 2026 | 390 | $6.22B |
| Q4 2025 | 366 | $5.05B |
| Q3 2025 | 358 | $5.09B |
| Q2 2025 | 353 | $4.84B |
| Q1 2025 | 371 | $5.69B |
| Q4 2024 | 343 | $4.81B |
| Q3 2024 | 338 | $5.01B |
| Q2 2024 | 323 | $4.32B |
| Q1 2024 | 337 | $4.77B |
| Q4 2023 | 302 | $4.87B |
| Q3 2023 | 309 | $4.59B |
| Q2 2023 | 293 | $5.03B |
| Q1 2023 | 269 | $4.56B |
| Q4 2022 | 279 | $4.24B |
| Q3 2022 | 275 | $3.57B |
| Q2 2022 | 276 | $4.67B |
| Q1 2022 | 249 | $4.21B |
| Q4 2021 | 219 | $3.68B |
| Q3 2021 | 227 | $4.77B |
| Q2 2021 | 226 | $3.95B |
| Q1 2021 | 200 | $2.95B |
Institutions, Q4 2023
Shares, value and share of portfolio for each institution holding Alkermes plc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 30,022,427 | $832.8M | 0.02% | +12,861,170+74.9% | Added |
| Vanguard Group Inc | 20,955,454 | $581.3M | 0.01% | +2,288,185+12.3% | Added |
| Wellington Management Group LLP | 15,241,470 | $422.8M | 0.08% | +3,494,678+29.8% | Added |
| State Street Corp | 9,352,970 | $259.5M | 0.01% | +3,261,476+53.5% | Added |
| Renaissance Technologies LLC | 6,049,317 | $167.8M | 0.26% | −66,696−1.1% | Reduced |
| Hardman Johnston Global Advisors LLC | 5,476,255 | $151.9M | 4.88% | −131,809−2.4% | Reduced |
| Pictet Asset Management Holding SA | 5,304,613 | $147.1M | 0.16% | −179,415−3.3% | Reduced |
| Deep Track Capital, LP | 4,000,000 | $111.0M | 3.89% | +200,000+5.3% | Added |
| RTW Investments, LP | 3,901,523 | $108.2M | 1.69% | +3,012,450+338.8% | Added |
| Geode Capital Management, LLC | 3,638,089 | $100.9M | 0.01% | +162,395+4.7% | Added |
| Primecap Management Co | 3,565,625 | $98.9M | 0.08% | −316,605−8.2% | Reduced |
| Bank of New York Mellon Corp | 3,286,990 | $91.2M | 0.02% | +525,674+19.0% | Added |
| Morgan Stanley | 2,518,615 | $69.9M | 0.01% | +505,823+25.1% | Added |
| Dimensional Fund Advisors LP | 2,403,195 | $66.7M | 0.02% | +90,219+3.9% | Added |
| Charles Schwab Investment Management Inc | 2,147,122 | $59.6M | 0.02% | −15,076−0.7% | Reduced |
| Artisan Partners Limited Partnership | 2,066,020 | $57.3M | 0.09% | +188,289+10.0% | Added |
| Norges Bank | 2,002,453 | $55.5M | 0.01% | +344,117+20.8% | Added |
| Nuveen Asset Management, LLC | 1,965,213 | $54.5M | 0.02% | +24,136+1.2% | Added |
| Northern Trust Corp | 1,843,831 | $51.1M | 0.01% | +154,944+9.2% | Added |
| First Trust Advisors LP | 1,651,040 | $45.8M | 0.05% | +163,251+11.0% | Added |
| Westfield Capital Management Co LP | 1,625,783 | $45.1M | 0.26% | −43,830−2.6% | Reduced |
| Price T Rowe Associates Inc | 1,595,585 | $44.3M | 0.01% | +75,100+4.9% | Added |
| Jupiter Asset Management Ltd | 1,486,256 | $41.2M | 0.41% | +194,903+15.1% | Added |
| Goldman Sachs Group Inc | 1,402,819 | $38.9M | 0.01% | −523,805−27.2% | Reduced |
| Bank of America Corp | 1,389,159 | $38.5M | 0.00% | +771,090+124.8% | Added |
| Jacobs Levy Equity Management, Inc | 1,256,038 | $34.8M | 0.18% | −205,208−14.0% | Reduced |
| Armistice Capital, LLC | 1,200,000 | $33.3M | 0.88% | −696,775−36.7% | Reduced |
| Woodline Partners LP | 1,170,689 | $32.5M | 0.35% | 00.0% | Unchanged |
| Segall Bryant & Hamill, LLC | 1,100,253 | $30.5M | 0.59% | +109,084+11.0% | Added |
| Two Sigma Advisers, LP | 1,083,600 | $30.1M | 0.07% | −477,900−30.6% | Reduced |
| FMR LLC | 1,053,220 | $29.2M | 0.00% | −257,789−19.7% | Reduced |
| American Century Companies Inc | 1,050,474 | $29.1M | 0.02% | +172,202+19.6% | Added |
| California Public Employees Retirement System | 965,192 | $26.8M | 0.02% | −2,612−0.3% | Reduced |
| Principal Financial Group Inc | 939,542 | $26.1M | 0.02% | +864,389+1,150.2% | Added |
| Man Group plc | 926,189 | $25.7M | 0.07% | – | – |
| Krensavage Asset Management, LLC | 918,038 | $25.5M | 9.04% | +11,978+1.3% | Added |
| Great Point Partners LLC | 875,044 | $24.3M | 4.14% | 00.0% | Unchanged |
| Invesco Ltd. | 849,988 | $23.6M | 0.01% | +457,122+116.4% | Added |
| Panagora Asset Management Inc | 782,657 | $21.7M | 0.12% | −5,406−0.7% | Reduced |
| Loomis Sayles & Co L P | 772,197 | $21.4M | 0.03% | +86,270+12.6% | Added |
| Voloridge Investment Management, LLC | 660,728 | $18.3M | 0.07% | +287,411+77.0% | Added |
| Ameriprise Financial Inc | 655,709 | $18.2M | 0.01% | +435,075+197.2% | Added |
| Squarepoint Ops LLC | 639,234 | $17.7M | 0.07% | +26,511+4.3% | Added |
| D. E. Shaw & Co., Inc. | 638,433 | $17.7M | 0.03% | −326,161−33.8% | Reduced |
| Legal & General Group Plc | 611,364 | $17.0M | 0.01% | +306,015+100.2% | Added |
| Palo Alto Investors LP | 603,400 | $16.7M | 1.51% | 00.0% | Unchanged |
| Eagle Asset Management Inc | 595,597 | $16.5M | 0.09% | −272,276−31.4% | Reduced |
| JPMorgan Chase & Co | 594,250 | $16.5M | 0.00% | +232,993+64.5% | Added |
| Federated Hermes, Inc. | 495,521 | $13.7M | 0.03% | −15,775−3.1% | Reduced |
| Rhumbline Advisers | 485,938 | $13.5M | 0.01% | +247,802+104.1% | Added |
| Glenmede Trust Co NA | 482,312 | $13.4M | 0.07% | −9,569−1.9% | Reduced |
| Teacher Retirement System of Texas | 452,217 | $12.5M | 0.09% | −206,144−31.3% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 451,261 | $12.5M | 0.06% | +38,439+9.3% | Added |
| Two Sigma Investments, LP | 428,675 | $11.9M | 0.03% | −760,514−64.0% | Reduced |
| Barclays PLC | 428,269 | $11.9M | 0.01% | +199,881+87.5% | Added |
| Ensign Peak Advisors, Inc | 393,940 | $10.9M | 0.02% | −8,831−2.2% | Reduced |
| AQR Capital Management LLC | 384,861 | $10.7M | 0.02% | +17,677+4.8% | Added |
| Allspring Global Investments Holdings, LLC | 377,489 | $10.5M | 0.02% | +169,385+81.4% | Added |
| Thrivent Financial for Lutherans | 357,302 | $9.91M | 0.02% | +109,041+43.9% | Added |
| Affinity Asset Advisors, LLC | 356,384 | $9.89M | 1.97% | +256,384+256.4% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 354,210 | $9.83M | 0.05% | −232,382−39.6% | Reduced |
| Rafferty Asset Management, LLC | 347,177 | $9.63M | 0.04% | +38,632+12.5% | Added |
| Public Sector Pension Investment Board | 346,300 | $9.61M | 0.07% | +346,300 | New |
| Rhenman & Partners Asset Management AB | 340,000 | $9.43M | 0.94% | −30,000−8.1% | Reduced |
| Prudential Financial Inc | 339,934 | $9.43M | 0.01% | +61,600+22.1% | Added |
| Royal Bank of Canada | 327,140 | $9.08M | 0.00% | +299,567+1,086.5% | Added |
| Standard Life Aberdeen plc | 323,435 | $8.97M | 0.02% | +323,435 | New |
| Voya Investment Management LLC | 320,674 | $8.90M | 0.01% | +33,703+11.7% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 320,542 | $8.89M | 0.01% | +30,496+10.5% | Added |
| Swiss National Bank | 311,800 | $8.65M | 0.01% | −16,900−5.1% | Reduced |
| Macquarie Group Ltd | 300,000 | $8.32M | 0.01% | 00.0% | Unchanged |
| AXA S.A. | 293,229 | $8.13M | 0.03% | −7,094−2.4% | Reduced |
| UBS Group AG | 271,757 | $7.54M | 0.00% | +137,691+102.7% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 270,496 | $7.50M | 0.03% | −604−0.2% | Reduced |
| Credit Suisse AG | 268,814 | $7.46M | 0.01% | +57,122+27.0% | Added |
| Alliancebernstein L.P. | 262,694 | $7.29M | 0.00% | −294,322−52.8% | Reduced |
| Neuberger Berman Group LLC | 259,238 | $7.19M | 0.01% | +58,399+29.1% | Added |
| Canada Pension Plan Investment Board | 257,000 | $7.13M | 0.01% | +232,000+928.0% | Added |
| Susquehanna Portfolio Strategies, LLC | 255,147 | $7.08M | 0.13% | +255,147 | New |
| Citigroup Inc | 254,676 | $7.06M | 0.01% | +62,020+32.2% | Added |
| Integral Health Asset Management, LLC | 249,000 | $6.91M | 1.00% | −26,000−9.5% | Reduced |
| BNP Paribas Arbitrage, SA | 243,961 | $6.77M | 0.01% | −190,381−43.8% | Reduced |
| Millennium Management LLC | 236,371 | $6.56M | 0.01% | −1,211,130−83.7% | Reduced |
| Deutsche Bank AG | 216,559 | $6.01M | 0.00% | −836−0.4% | Reduced |
| Sector Gamma AS | 200,000 | $5.55M | 1.35% | +200,000 | New |
| UBS Asset Management Americas Inc | 189,906 | $5.27M | 0.00% | +7,446+4.1% | Added |
| Burney Co | 176,511 | $4.90M | 0.21% | −867−0.5% | Reduced |
| Teachers Retirement System of the State of Kentucky | 175,354 | $4.87M | 0.05% | +45,400+34.9% | Added |
| Handelsbanken Fonder AB | 175,200 | $4.86M | 0.02% | +147,000+521.3% | Added |
| S&CO Inc | 173,145 | $4.80M | 0.37% | +20,145+13.2% | Added |
| Hillsdale Investment Management Inc. | 170,300 | $4.72M | 0.39% | −300−0.2% | Reduced |
| California State Teachers Retirement System | 168,660 | $4.68M | 0.01% | −165−0.1% | Reduced |
| Arrowstreet Capital, Limited Partnership | 163,513 | $4.54M | 0.00% | −831,714−83.6% | Reduced |
| State of Wisconsin Investment Board | 161,413 | $4.48M | 0.01% | +24,143+17.6% | Added |
| New York State Common Retirement Fund | 154,970 | $4.30M | 0.01% | +11,747+8.2% | Added |
| Algert Global LLC | 151,261 | $4.20M | 0.17% | −117,282−43.7% | Reduced |
| Franklin Resources Inc | 144,740 | $4.02M | 0.00% | −13,530−8.5% | Reduced |
| Texas Permanent School Fund | 144,142 | $4.00M | 0.03% | +144,142 | New |
| Lighthouse Investment Partners, LLC | 141,403 | $3.92M | 0.29% | +141,403 | New |
| Mackenzie Financial Corp | 132,252 | $3.67M | 0.01% | +10,027+8.2% | Added |