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 7 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 |
|---|---|---|---|---|---|
| Hussman Strategic Advisors, Inc. | 126,000 | $3.60M | 0.82% | +126,000 | New |
| Magnetar Financial LLC | 123,678 | $3.54M | 0.02% | +123,678 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 123,665 | $3.54M | 0.01% | −15,646−11.2% | Reduced |
| Wells Fargo & Company | 122,258 | $3.50M | 0.00% | +22,261+22.3% | Added |
| Thrivent Financial for Lutherans | 121,254 | $3.47M | 0.01% | +1,811+1.5% | Added |
| Verition Fund Management LLC | 119,686 | $3.42M | 0.02% | +62,195+108.2% | Added |
| Van Eck Associates Corp | 117,812 | $3.37M | 0.00% | −34,579−22.7% | Reduced |
| Algert Global LLC | 115,270 | $3.30M | 0.07% | −61,589−34.8% | Reduced |
| Robeco Institutional Asset Management B.V. | 113,320 | $3.24M | 0.01% | +36,467+47.5% | Added |
| HSBC Holdings PLC | 110,816 | $3.17M | 0.00% | +29,760+36.7% | Added |
| O'Shaughnessy Asset Management, LLC | 108,735 | $3.11M | 0.02% | +80,800+289.2% | Added |
| DAFNA Capital Management LLC | 103,748 | $2.97M | 0.82% | +9,548+10.1% | Added |
| Arrowstreet Capital, Limited Partnership | 103,278 | $2.95M | 0.00% | +103,278 | New |
| Ensign Peak Advisors, Inc | 101,288 | $2.90M | 0.00% | −359,012−78.0% | Reduced |
| Integral Health Asset Management, LLC | 100,000 | $2.86M | 0.27% | −50,000−33.3% | Reduced |
| State of Wisconsin Investment Board | 99,556 | $2.85M | 0.01% | −18,641−15.8% | Reduced |
| State of Alaska, Department of Revenue | 98,173 | $2.81M | 0.03% | +8,070+9.0% | Added |
| State Board of Administration of Florida Retirement System | 97,350 | $2.79M | 0.00% | −25,164−20.5% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 96,813 | $2.77M | 0.01% | −6,072−5.9% | Reduced |
| Franklin Resources Inc | 94,011 | $2.69M | 0.00% | +30.0% | Added |
| PDT Partners, LLC | 91,610 | $2.62M | 0.15% | −39,773−30.3% | Reduced |
| Pathstone Holdings, LLC | 90,430 | $2.59M | 0.01% | −9,119−9.2% | Reduced |
| New York State Teachers Retirement System | 90,314 | $2.58M | 0.01% | +611+0.7% | Added |
| Alps Advisors Inc | 88,909 | $2.54M | 0.01% | −26,823−23.2% | Reduced |
| Susquehanna Fundamental Investments, LLC | 86,899 | $2.49M | 0.07% | 00.0% | Unchanged |
| Illinois Municipal Retirement Fund | 84,942 | $2.43M | 0.03% | +2,262+2.7% | Added |
| Intech Investment Management LLC | 84,709 | $2.42M | 0.02% | −855−1.0% | Reduced |
| Assenagon Asset Management S.A. | 84,017 | $2.40M | 0.00% | +15,968+23.5% | Added |
| Creative Planning | 78,423 | $2.24M | 0.00% | −7,039−8.2% | Reduced |
| Millennium Management LLC | 77,939 | $2.23M | 0.00% | −99,166−56.0% | Reduced |
| Louisiana State Employees Retirement System | 77,000 | $2.20M | 0.04% | +400+0.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 75,339 | $2.16M | 0.01% | +27,601+57.8% | Added |
| KLP Kapitalforvaltning AS | 74,200 | $2.12M | 0.01% | +5,600+8.2% | Added |
| Edgestream Partners, L.P. | 73,898 | $2.11M | 0.06% | −36,346−33.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 73,168 | $2.09M | 0.02% | −71,903−49.6% | Reduced |
| State of Tennessee, Treasury Department | 72,275 | $2.07M | 0.01% | −1,187−1.6% | Reduced |
| Ritholtz Wealth Management | 68,634 | $1.96M | 0.04% | +58,102+551.7% | Added |
| Moody Aldrich Partners LLC | 66,919 | $1.91M | 0.37% | −14,315−17.6% | Reduced |
| Yousif Capital Management, LLC | 62,951 | $1.80M | 0.02% | +1,604+2.6% | Added |
| State of New Jersey Common Pension Fund D | 62,677 | $1.79M | 0.01% | +8,214+15.1% | Added |
| Vestcor Inc | 61,192 | $1.75M | 0.05% | +34,547+129.7% | Added |
| Natixis Advisors, L.P. | 60,898 | $1.74M | 0.00% | +3,831+6.7% | Added |
| SG Americas Securities, LLC | 60,842 | $1.74M | 0.01% | +46,854+335.0% | Added |
| AMG National Trust Bank | 59,787 | $1.71M | 0.04% | +52+0.1% | Added |
| Vident Advisory, LLC | 59,576 | $1.70M | 0.02% | +2,759+4.9% | Added |
| Campbell & CO Investment Adviser LLC | 56,499 | $1.62M | 0.10% | −18,570−24.7% | Reduced |
| Los Angeles Capital Management LLC | 53,200 | $1.52M | 0.01% | +13,410+33.7% | Added |
| HighVista Strategies LLC | 52,944 | $1.51M | 0.56% | −17,818−25.2% | Reduced |
| Teachers Retirement System of the State of Kentucky | 51,766 | $1.48M | 0.01% | −122,634−70.3% | Reduced |
| Birchview Capital, LP | 50,000 | $1.43M | 1.42% | 00.0% | Unchanged |
| Royce & Associates LP | 49,732 | $1.42M | 0.01% | +2,545+5.4% | Added |
| Squarepoint Ops LLC | 49,267 | $1.41M | 0.00% | +19,503+65.5% | Added |
| Knott David M Jr | 49,000 | $1.40M | 0.64% | +49,000 | New |
| Schroder Investment Management Group | 48,506 | $1.39M | 0.00% | +48,506 | New |
| Maryland State Retirement & Pension System | 48,462 | $1.39M | 0.03% | +1,030+2.2% | Added |
| Virtus ETF Advisers LLC | 47,708 | $1.36M | 0.83% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 47,594 | $1.36M | 0.02% | +14,611+44.3% | Added |
| Vontobel Holding Ltd. | 47,020 | $1.35M | 0.00% | +7,347+18.5% | Added |
| Amalgamated Bank | 46,848 | $1.34M | 0.01% | +528+1.1% | Added |
| Danske Bank A/S | 46,321 | $1.33M | 0.00% | −9,527−17.1% | Reduced |
| Nicollet Investment Management, Inc. | 46,223 | $1.32M | 0.44% | −952−2.0% | Reduced |
| STRS Ohio | 46,100 | $1.32M | 0.00% | +3,600+8.5% | Added |
| Arizona State Retirement System | 45,701 | $1.31M | 0.01% | +1,635+3.7% | Added |
| ADAR1 Capital Management, LLC | 45,000 | $1.29M | 0.21% | +45,000 | New |
| Oliver Luxxe Assets LLC | 44,551 | $1.27M | 0.23% | +44,551 | New |
| Ieq Capital, LLC | 44,293 | $1.27M | 0.01% | +9,025+25.6% | Added |
| Diversified Trust Co | 44,232 | $1.27M | 0.03% | +372+0.8% | Added |
| Envestnet Asset Management Inc | 43,658 | $1.25M | 0.00% | +551+1.3% | Added |
| Massachusetts Financial Services Co | 42,961 | $1.23M | 0.00% | +531+1.3% | Added |
| Horizon Investments, LLC | 42,615 | $1.22M | 0.02% | +42,615 | New |
| ProShare Advisors LLC | 42,422 | $1.21M | 0.00% | −2,864−6.3% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 42,337 | $1.21M | 0.01% | +3,422+8.8% | Added |
| Teacher Retirement System of Texas | 42,215 | $1.21M | 0.01% | +816+2.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 42,153 | $1.21M | 0.00% | +3,118+8.0% | Added |
| CI Private Wealth, LLC | 41,492 | $1.19M | 0.00% | +1,517+3.8% | Added |
| Capital Fund Management S.A. | 39,929 | $1.14M | 0.01% | +39,929 | New |
| Profund Advisors LLC | 39,869 | $1.14M | 0.04% | +2,641+7.1% | Added |
| Nisa Investment Advisors, LLC | 39,472 | $1.13M | 0.01% | +140+0.4% | Added |
| Rhenman & Partners Asset Management AB | 39,000 | $1.12M | 0.14% | 00.0% | Unchanged |
| Hudson Portfolio Management LLC | 37,775 | $1.08M | 1.01% | −2,440−6.1% | Reduced |
| Oregon Public Employees Retirement Fund | 37,460 | $1.07M | 0.02% | +200+0.5% | Added |
| Citadel Advisors LLC | 37,423 | $1.07M | 0.00% | −46,944−55.6% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 36,833 | $1.05M | 0.01% | +1,944+5.6% | Added |
| Toroso Investments, LLC | 35,130 | $1.01M | 0.01% | +395+1.1% | Added |
| LPL Financial LLC | 33,663 | $963.1K | 0.00% | +6,512+24.0% | Added |
| China Universal Asset Management Co., Ltd. | 33,120 | $947.6K | 0.09% | +502+1.5% | Added |
| Oxford Asset Management LLP | 32,321 | $924.7K | 0.30% | +25,756+392.3% | Added |
| Captrust Financial Advisors | 32,019 | $916.1K | 0.00% | +12,557+64.5% | Added |
| Jennison Associates LLC | 31,761 | $908.7K | 0.00% | +31,761 | New |
| Dark Forest Capital Management LP | 31,116 | $890.2K | 0.04% | +5,612+22.0% | Added |
| Bank of Montreal | 28,856 | $825.6K | 0.00% | +799+2.8% | Added |
| Amundi | 27,020 | $783.6K | 0.00% | −40,325−59.9% | Reduced |
| Exchange Traded Concepts, LLC | 25,789 | $737.8K | 0.01% | +640+2.5% | Added |
| Lighthouse Investment Partners, LLC | 25,000 | $715.3K | 0.03% | 00.0% | Unchanged |
| RSM US Wealth Management LLC | 24,314 | $695.6K | 0.01% | +3,502+16.8% | Added |
| Lazard Asset Management LLC | 23,753 | $679.0K | 0.00% | −116,128−83.0% | Reduced |
| Dana Investment Advisors, Inc. | 22,969 | $657.1K | 0.02% | −307−1.3% | Reduced |
| Federated Hermes, Inc. | 22,814 | $652.7K | 0.00% | −56,776−71.3% | Reduced |
| Fred Alger Management, LLC | 22,648 | $648.0K | 0.00% | −14,863−39.6% | Reduced |
| Horizon Kinetics Asset Management LLC | 22,066 | $631.3K | 0.01% | −967−4.2% | Reduced |