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, Q3 2023
Institutional positions in Alkermes plc. as of Sep 30, 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
- 309
- +20 vs. Q2 2023
- Shares held
- 163.3M
- +7.76M (+5.0%) vs. Q2 2023
- Total value
- $4.59B
- −$277.5M (−5.7%) vs. Q2 2023
- New holders
- 52
- 141 more added
- Sold out
- 32
- 79 more reduced
4 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Alkermes plc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 18,667,269 | $522.9M | 0.01% | +72,797+0.4% | Added |
| BlackRock Inc. | 17,161,257 | $480.7M | 0.01% | +271,782+1.6% | Added |
| Wellington Management Group LLP | 11,746,792 | $329.0M | 0.07% | +4,055,926+52.7% | Added |
| Sarissa Capital Management LP | 7,042,200 | $197.3M | 26.57% | −6,997,800−49.8% | Reduced |
| Renaissance Technologies LLC | 6,116,013 | $171.3M | 0.29% | +949,600+18.4% | Added |
| State Street Corp | 6,091,494 | $170.6M | 0.01% | +201,191+3.4% | Added |
| Hardman Johnston Global Advisors LLC | 5,608,064 | $157.1M | 5.27% | −154,492−2.7% | Reduced |
| Pictet Asset Management Holding SA | 5,484,028 | $153.6M | 0.19% | +5,484,028 | New |
| Primecap Management Co | 3,882,230 | $108.7M | 0.09% | −244,010−5.9% | Reduced |
| Deep Track Capital, LP | 3,800,000 | $106.4M | 4.13% | +800,000+26.7% | Added |
| Geode Capital Management, LLC | 3,475,694 | $97.4M | 0.01% | +139,251+4.2% | Added |
| Bank of New York Mellon Corp | 2,761,316 | $77.3M | 0.02% | +106,749+4.0% | Added |
| Dimensional Fund Advisors LP | 2,312,976 | $64.8M | 0.02% | +114,189+5.2% | Added |
| Charles Schwab Investment Management Inc | 2,162,198 | $60.6M | 0.02% | +114,388+5.6% | Added |
| Morgan Stanley | 2,012,792 | $56.4M | 0.01% | +891,641+79.5% | Added |
| Nuveen Asset Management, LLC | 1,941,077 | $54.4M | 0.02% | −96,383−4.7% | Reduced |
| Goldman Sachs Group Inc | 1,926,624 | $54.0M | 0.01% | +282,660+17.2% | Added |
| Armistice Capital, LLC | 1,896,775 | $53.1M | 1.58% | −103,225−5.2% | Reduced |
| Artisan Partners Limited Partnership | 1,877,731 | $52.6M | 0.09% | −6800.0% | Reduced |
| Marshall Wace, LLP | 1,768,014 | $49.5M | 0.11% | +1,042,937+143.8% | Added |
| Northern Trust Corp | 1,688,887 | $47.3M | 0.01% | +13,545+0.8% | Added |
| Westfield Capital Management Co LP | 1,669,613 | $46.8M | 0.32% | −645,697−27.9% | Reduced |
| Norges Bank | 1,658,336 | $46.4M | 0.01% | +110,779+7.2% | Added |
| Two Sigma Advisers, LP | 1,561,500 | $43.7M | 0.11% | +140,500+9.9% | Added |
| Price T Rowe Associates Inc | 1,520,485 | $42.6M | 0.01% | +11,039+0.7% | Added |
| First Trust Advisors LP | 1,487,789 | $41.7M | 0.05% | −235,780−13.7% | Reduced |
| Jacobs Levy Equity Management, Inc | 1,461,246 | $40.9M | 0.24% | +133,357+10.0% | Added |
| Millennium Management LLC | 1,447,501 | $40.5M | 0.04% | −211,530−12.8% | Reduced |
| Polar Capital Holdings Plc | 1,388,016 | $38.9M | 0.29% | −1,500,000−51.9% | Reduced |
| FMR LLC | 1,311,009 | $36.7M | 0.00% | +42,748+3.4% | Added |
| Jupiter Asset Management Ltd | 1,291,353 | $36.2M | 0.40% | +1,291,353 | New |
| Two Sigma Investments, LP | 1,189,189 | $33.3M | 0.09% | +244,470+25.9% | Added |
| Woodline Partners LP | 1,170,689 | $32.8M | 0.38% | +1,170,689 | New |
| PFM Health Sciences, LP | 1,162,030 | $32.5M | 1.56% | +10,646+0.9% | Added |
| Arrowstreet Capital, Limited Partnership | 995,227 | $27.9M | 0.03% | +238,826+31.6% | Added |
| Segall Bryant & Hamill, LLC | 991,169 | $27.8M | 0.32% | +8,552+0.9% | Added |
| Virginia Retirement Systems Et Al | 976,200 | $27.3M | 0.27% | +406,400+71.3% | Added |
| California Public Employees Retirement System | 967,804 | $27.1M | 0.02% | +116,474+13.7% | Added |
| D. E. Shaw & Co., Inc. | 964,594 | $27.0M | 0.04% | +282,975+41.5% | Added |
| Krensavage Asset Management, LLC | 906,060 | $25.4M | 9.34% | −197,391−17.9% | Reduced |
| RTW Investments, LP | 889,073 | $24.9M | 0.53% | +889,073 | New |
| American Century Companies Inc | 878,272 | $24.6M | 0.02% | +229,181+35.3% | Added |
| Great Point Partners LLC | 875,044 | $24.5M | 4.61% | +463,591+112.7% | Added |
| Eagle Asset Management Inc | 867,873 | $24.3M | 0.14% | +1,752+0.2% | Added |
| Susquehanna International Group, LLP | 827,880 | $23.2M | 0.04% | +605,043+271.5% | Added |
| Panagora Asset Management Inc | 788,063 | $22.1M | 0.14% | −2,562−0.3% | Reduced |
| Loomis Sayles & Co L P | 685,927 | $19.2M | 0.03% | +317,920+86.4% | Added |
| Teacher Retirement System of Texas | 658,361 | $18.4M | 0.12% | −62,777−8.7% | Reduced |
| Bank of America Corp | 618,069 | $17.3M | 0.00% | −84,820−12.1% | Reduced |
| Squarepoint Ops LLC | 612,723 | $17.2M | 0.08% | +584,761+2,091.3% | Added |
| Palo Alto Investors LP | 603,400 | $16.9M | 1.60% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 586,592 | $16.4M | 0.09% | −46,337−7.3% | Reduced |
| Alliancebernstein L.P. | 557,016 | $15.6M | 0.01% | −219,194−28.2% | Reduced |
| Sofinnova Investments, Inc. | 537,464 | $15.1M | 1.05% | +537,464 | New |
| Man Group plc | – | $14.8M | 0.05% | – | – |
| Federated Hermes, Inc. | 511,296 | $14.3M | 0.04% | +365,964+251.8% | Added |
| Glenmede Trust Co NA | 491,881 | $13.8M | 0.08% | −741−0.2% | Reduced |
| Redwood Investments, LLC | 435,588 | $12.2M | 1.65% | +435,588 | New |
| BNP Paribas Arbitrage, SA | 434,342 | $12.2M | 0.03% | +158,426+57.4% | Added |
| Fuller & Thaler Asset Management, Inc. | 412,822 | $11.6M | 0.07% | +33,089+8.7% | Added |
| Ensign Peak Advisors, Inc | 402,771 | $11.3M | 0.02% | −9,519−2.3% | Reduced |
| Invesco Ltd. | 392,866 | $11.0M | 0.00% | −8,376−2.1% | Reduced |
| Citadel Advisors LLC | 378,762 | $10.6M | 0.01% | −1,102,707−74.4% | Reduced |
| Voloridge Investment Management, LLC | 373,317 | $10.5M | 0.05% | +373,317 | New |
| Rhenman & Partners Asset Management AB | 370,000 | $10.4M | 1.12% | +20,000+5.7% | Added |
| AQR Capital Management LLC | 367,184 | $10.3M | 0.02% | +272,723+288.7% | Added |
| Twinbeech Capital LP | 361,467 | $10.1M | 0.19% | +361,467 | New |
| JPMorgan Chase & Co | 361,257 | $10.1M | 0.00% | +13,340+3.8% | Added |
| Acadian Asset Management LLC | 360,893 | $10.1M | 0.04% | +340,299+1,652.4% | Added |
| Swiss National Bank | 328,700 | $9.21M | 0.01% | +6,600+2.0% | Added |
| Rafferty Asset Management, LLC | 308,545 | $8.64M | 0.05% | +41,753+15.7% | Added |
| Legal & General Group Plc | 305,349 | $8.55M | 0.00% | +1,329+0.4% | Added |
| AXA S.A. | 300,323 | $8.41M | 0.03% | −28,223−8.6% | Reduced |
| Macquarie Group Ltd | 300,000 | $8.40M | 0.01% | 00.0% | Unchanged |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 290,046 | $8.12M | 0.01% | +290,046 | New |
| Voya Investment Management LLC | 286,971 | $8.04M | 0.01% | +32,380+12.7% | Added |
| Prudential Financial Inc | 278,334 | $7.80M | 0.01% | +179,201+180.8% | Added |
| Integral Health Asset Management, LLC | 275,000 | $7.70M | 1.09% | −9,000−3.2% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 271,100 | $7.59M | 0.03% | +195,100+256.7% | Added |
| Algert Global LLC | 268,543 | $7.52M | 0.35% | +62,674+30.4% | Added |
| Thrivent Financial for Lutherans | 248,261 | $6.95M | 0.02% | −105,171−29.8% | Reduced |
| Sectoral Asset Management Inc | 244,260 | $6.84M | 1.33% | +2,087+0.9% | Added |
| Rhumbline Advisers | 238,136 | $6.67M | 0.01% | +4,098+1.8% | Added |
| Barclays PLC | 228,388 | $6.40M | 0.00% | +23,511+11.5% | Added |
| Ameriprise Financial Inc | 220,634 | $6.18M | 0.00% | −3,751−1.7% | Reduced |
| Deutsche Bank AG | 217,395 | $6.09M | 0.00% | +13,945+6.9% | Added |
| Credit Suisse AG | 211,692 | $5.93M | 0.01% | −27,135−11.4% | Reduced |
| Allspring Global Investments Holdings, LLC | 208,104 | $5.83M | 0.01% | +198,634+2,097.5% | Added |
| Neuberger Berman Group LLC | 200,839 | $5.63M | 0.01% | +1,374+0.7% | Added |
| Citigroup Inc | 192,656 | $5.40M | 0.01% | +19,911+11.5% | Added |
| Trexquant Investment LP | 190,941 | $5.35M | 0.13% | +35,083+22.5% | Added |
| Russell Investments Group, Ltd. | 187,030 | $5.24M | 0.01% | +146,887+365.9% | Added |
| UBS Asset Management Americas Inc | 182,460 | $5.11M | 0.00% | −30,916−14.5% | Reduced |
| Burney Co | 177,378 | $4.97M | 0.23% | +128,788+265.1% | Added |
| Cubist Systematic Strategies, LLC | 175,281 | $4.91M | 0.06% | −317,970−64.5% | Reduced |
| Hillsdale Investment Management Inc. | 170,600 | $4.78M | 0.44% | −210−0.1% | Reduced |
| California State Teachers Retirement System | 168,825 | $4.73M | 0.01% | −16,559−8.9% | Reduced |
| Franklin Resources Inc | 158,270 | $4.43M | 0.00% | −10,199−6.1% | Reduced |
| S&CO Inc | 153,000 | $4.29M | 0.35% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 143,223 | $4.01M | 0.01% | +605+0.4% | Added |