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, Q2 2025
Institutional positions in Alkermes plc. as of Jun 30, 2025. 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
- 353
- −13 vs. Q1 2025
- Shares held
- 169.2M
- −2.54M (−1.5%) vs. Q1 2025
- Total value
- $4.84B
- −$829.6M (−14.6%) vs. Q1 2025
- New holders
- 42
- 154 more added
- Sold out
- 55
- 120 more reduced
5 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Alkermes plc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Knott David M Jr | 49,000 | $1.40M | 0.64% | +49,000 | New |
| Squarepoint Ops LLC | 49,267 | $1.41M | 0.00% | +19,503+65.5% | Added |
| Royce & Associates LP | 49,732 | $1.42M | 0.01% | +2,545+5.4% | Added |
| Birchview Capital, LP | 50,000 | $1.43M | 1.42% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 51,766 | $1.48M | 0.01% | −122,634−70.3% | Reduced |
| HighVista Strategies LLC | 52,944 | $1.51M | 0.56% | −17,818−25.2% | Reduced |
| Los Angeles Capital Management LLC | 53,200 | $1.52M | 0.01% | +13,410+33.7% | Added |
| Campbell & CO Investment Adviser LLC | 56,499 | $1.62M | 0.10% | −18,570−24.7% | Reduced |
| Vident Advisory, LLC | 59,576 | $1.70M | 0.02% | +2,759+4.9% | Added |
| AMG National Trust Bank | 59,787 | $1.71M | 0.04% | +52+0.1% | Added |
| SG Americas Securities, LLC | 60,842 | $1.74M | 0.01% | +46,854+335.0% | Added |
| Natixis Advisors, L.P. | 60,898 | $1.74M | 0.00% | +3,831+6.7% | Added |
| Vestcor Inc | 61,192 | $1.75M | 0.05% | +34,547+129.7% | Added |
| State of New Jersey Common Pension Fund D | 62,677 | $1.79M | 0.01% | +8,214+15.1% | Added |
| Yousif Capital Management, LLC | 62,951 | $1.80M | 0.02% | +1,604+2.6% | Added |
| Moody Aldrich Partners LLC | 66,919 | $1.91M | 0.37% | −14,315−17.6% | Reduced |
| Ritholtz Wealth Management | 68,634 | $1.96M | 0.04% | +58,102+551.7% | Added |
| State of Tennessee, Treasury Department | 72,275 | $2.07M | 0.01% | −1,187−1.6% | Reduced |
| Schonfeld Strategic Advisors LLC | 73,168 | $2.09M | 0.02% | −71,903−49.6% | Reduced |
| Edgestream Partners, L.P. | 73,898 | $2.11M | 0.06% | −36,346−33.0% | Reduced |
| KLP Kapitalforvaltning AS | 74,200 | $2.12M | 0.01% | +5,600+8.2% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 75,339 | $2.16M | 0.01% | +27,601+57.8% | Added |
| Louisiana State Employees Retirement System | 77,000 | $2.20M | 0.04% | +400+0.5% | Added |
| Millennium Management LLC | 77,939 | $2.23M | 0.00% | −99,166−56.0% | Reduced |
| Creative Planning | 78,423 | $2.24M | 0.00% | −7,039−8.2% | Reduced |
| Assenagon Asset Management S.A. | 84,017 | $2.40M | 0.00% | +15,968+23.5% | Added |
| Intech Investment Management LLC | 84,709 | $2.42M | 0.02% | −855−1.0% | Reduced |
| Illinois Municipal Retirement Fund | 84,942 | $2.43M | 0.03% | +2,262+2.7% | Added |
| Susquehanna Fundamental Investments, LLC | 86,899 | $2.49M | 0.07% | 00.0% | Unchanged |
| Alps Advisors Inc | 88,909 | $2.54M | 0.01% | −26,823−23.2% | Reduced |
| New York State Teachers Retirement System | 90,314 | $2.58M | 0.01% | +611+0.7% | Added |
| Pathstone Holdings, LLC | 90,430 | $2.59M | 0.01% | −9,119−9.2% | Reduced |
| PDT Partners, LLC | 91,610 | $2.62M | 0.15% | −39,773−30.3% | Reduced |
| Franklin Resources Inc | 94,011 | $2.69M | 0.00% | +30.0% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 96,813 | $2.77M | 0.01% | −6,072−5.9% | Reduced |
| State Board of Administration of Florida Retirement System | 97,350 | $2.79M | 0.00% | −25,164−20.5% | Reduced |
| State of Alaska, Department of Revenue | 98,173 | $2.81M | 0.03% | +8,070+9.0% | Added |
| State of Wisconsin Investment Board | 99,556 | $2.85M | 0.01% | −18,641−15.8% | Reduced |
| Integral Health Asset Management, LLC | 100,000 | $2.86M | 0.27% | −50,000−33.3% | Reduced |
| Ensign Peak Advisors, Inc | 101,288 | $2.90M | 0.00% | −359,012−78.0% | Reduced |
| Arrowstreet Capital, Limited Partnership | 103,278 | $2.95M | 0.00% | +103,278 | New |
| DAFNA Capital Management LLC | 103,748 | $2.97M | 0.82% | +9,548+10.1% | Added |
| O'Shaughnessy Asset Management, LLC | 108,735 | $3.11M | 0.02% | +80,800+289.2% | Added |
| HSBC Holdings PLC | 110,816 | $3.17M | 0.00% | +29,760+36.7% | Added |
| Robeco Institutional Asset Management B.V. | 113,320 | $3.24M | 0.01% | +36,467+47.5% | Added |
| Algert Global LLC | 115,270 | $3.30M | 0.07% | −61,589−34.8% | Reduced |
| Van Eck Associates Corp | 117,812 | $3.37M | 0.00% | −34,579−22.7% | Reduced |
| Verition Fund Management LLC | 119,686 | $3.42M | 0.02% | +62,195+108.2% | Added |
| Thrivent Financial for Lutherans | 121,254 | $3.47M | 0.01% | +1,811+1.5% | Added |
| Wells Fargo & Company | 122,258 | $3.50M | 0.00% | +22,261+22.3% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 123,665 | $3.54M | 0.01% | −15,646−11.2% | Reduced |
| Magnetar Financial LLC | 123,678 | $3.54M | 0.02% | +123,678 | New |
| Hussman Strategic Advisors, Inc. | 126,000 | $3.60M | 0.82% | +126,000 | New |
| Wedge Capital Management L L P | 128,462 | $3.68M | 0.07% | +10,946+9.3% | Added |
| Voloridge Investment Management, LLC | 131,431 | $3.76M | 0.01% | +31,474+31.5% | Added |
| Gotham Asset Management, LLC | 133,472 | $3.82M | 0.02% | +53,804+67.5% | Added |
| Martingale Asset Management L P | 135,251 | $3.87M | 0.09% | +42,157+45.3% | Added |
| Y-Intercept (Hong Kong) Ltd | 138,433 | $3.96M | 0.10% | +113,094+446.3% | Added |
| New York State Common Retirement Fund | 141,084 | $4.04M | 0.01% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 140,723 | $4.05M | 0.01% | −12,136−7.9% | Reduced |
| California State Teachers Retirement System | 144,931 | $4.15M | 0.00% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 161,285 | $4.61M | 0.02% | +10,837+7.2% | Added |
| ExodusPoint Capital Management, LP | 161,386 | $4.62M | 0.06% | +9,990+6.6% | Added |
| Prudential Financial Inc | 176,301 | $5.04M | 0.01% | −2,340−1.3% | Reduced |
| Standard Life Aberdeen plc | 178,719 | $5.11M | 0.01% | +21,852+13.9% | Added |
| Citigroup Inc | 187,846 | $5.37M | 0.00% | −174,539−48.2% | Reduced |
| Deutsche Bank AG | 191,448 | $5.48M | 0.00% | −15,387−7.4% | Reduced |
| Neuberger Berman Group LLC | 196,331 | $5.62M | 0.00% | −3,646−1.8% | Reduced |
| Alliancebernstein L.P. | 202,180 | $5.78M | 0.00% | −26,416−11.6% | Reduced |
| Susquehanna International Group, LLP | 204,389 | $5.85M | 0.01% | −27,636−11.9% | Reduced |
| Janus Henderson Group PLC | 204,595 | $5.85M | 0.00% | −28,349−12.2% | Reduced |
| Marshall Wace, LLP | 207,511 | $5.94M | 0.01% | +207,511 | New |
| Krensavage Asset Management, LLC | 207,822 | $5.95M | 3.15% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 208,088 | $5.95M | 0.01% | +13,096+6.7% | Added |
| TD Asset Management Inc | 216,442 | $6.19M | 0.01% | +10,800+5.3% | Added |
| SEI Investments Co | 216,906 | $6.21M | 0.01% | +4,909+2.3% | Added |
| S&CO Inc | 220,585 | $6.31M | 0.40% | −1,375−0.6% | Reduced |
| Palo Alto Investors LP | 221,021 | $6.32M | 1.35% | −492−0.2% | Reduced |
| Royal Bank of Canada | 226,442 | $6.48M | 0.00% | −49,084−17.8% | Reduced |
| HealthInvest Partners AB | 227,224 | $6.50M | 2.78% | +12,446+5.8% | Added |
| AXA S.A. | 236,189 | $6.76M | 0.02% | +380+0.2% | Added |
| Victory Capital Management Inc | 240,453 | $6.88M | 0.00% | +119,456+98.7% | Added |
| C WorldWide Group Holding A/S | 250,000 | $7.15M | 0.10% | 00.0% | Unchanged |
| Peregrine Capital Management LLC | 264,620 | $7.57M | 0.23% | +264,620 | New |
| Pictet Asset Management Holding SA | 269,170 | $7.75M | 0.01% | −142,151−34.6% | Reduced |
| Man Group plc | 275,822 | $7.89M | 0.02% | +139,994+103.1% | Added |
| Mackenzie Financial Corp | 290,327 | $8.31M | 0.01% | +53,323+22.5% | Added |
| Fisher Asset Management, LLC | 291,947 | $8.35M | 0.00% | −29,734−9.2% | Reduced |
| Swiss National Bank | 299,300 | $8.56M | 0.01% | +1,500+0.5% | Added |
| California Public Employees Retirement System | 308,542 | $8.83M | 0.01% | +15,352+5.2% | Added |
| Handelsbanken Fonder AB | 318,400 | $9.11M | 0.03% | +101,400+46.7% | Added |
| Two Sigma Investments, LP | 325,903 | $9.32M | 0.02% | −232,037−41.6% | Reduced |
| StemPoint Capital LP | 351,124 | $10.0M | 3.23% | +158,772+82.5% | Added |
| Jane Street Group, LLC | 357,097 | $10.2M | 0.02% | −167,590−31.9% | Reduced |
| Canada Pension Plan Investment Board | 370,900 | $10.6M | 0.01% | +65,400+21.4% | Added |
| Macquarie Group Ltd | 374,324 | $10.7M | 0.01% | +74,324+24.8% | Added |
| Rice Hall James & Associates, LLC | 421,885 | $12.1M | 0.65% | −4,700−1.1% | Reduced |
| AQR Capital Management LLC | 452,522 | $12.9M | 0.01% | −79,743−15.0% | Reduced |
| Raymond James Financial Inc | 454,417 | $13.0M | 0.00% | +24,935+5.8% | Added |
| Rhumbline Advisers | 472,857 | $13.5M | 0.01% | +17,660+3.9% | Added |