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, Q1 2025
Institutional positions in Alkermes plc. as of Mar 31, 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
- 371
- +33 vs. Q4 2024
- Shares held
- 172.3M
- +6.96M (+4.2%) vs. Q4 2024
- Total value
- $5.69B
- +$933.5M (+19.6%) vs. Q4 2024
- New holders
- 62
- 127 more added
- Sold out
- 29
- 133 more reduced
5 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Alkermes plc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Janus Henderson Group PLC | 232,944 | $7.73M | 0.00% | +159,971+219.2% | Added |
| AXA S.A. | 235,809 | $7.79M | 0.03% | −57,288−19.5% | Reduced |
| Mackenzie Financial Corp | 237,004 | $7.83M | 0.01% | −95,622−28.7% | Reduced |
| C WorldWide Group Holding A/S | 250,000 | $8.26M | 0.10% | 00.0% | Unchanged |
| Royal Bank of Canada | 275,526 | $9.10M | 0.00% | +148,696+117.2% | Added |
| California Public Employees Retirement System | 293,190 | $9.68M | 0.01% | +3,391+1.2% | Added |
| Swiss National Bank | 297,800 | $9.83M | 0.01% | −9,900−3.2% | Reduced |
| Macquarie Group Ltd | 300,000 | $9.91M | 0.01% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 305,500 | $10.1M | 0.01% | +9,900+3.3% | Added |
| Fisher Asset Management, LLC | 321,681 | $10.6M | 0.00% | −9,678−2.9% | Reduced |
| MPM Oncology Impact Management LP | 337,603 | $11.1M | 1.92% | +337,603 | New |
| Citigroup Inc | 362,385 | $12.0M | 0.01% | +30,717+9.3% | Added |
| Pictet Asset Management Holding SA | 411,321 | $13.7M | 0.02% | −408,660−49.8% | Reduced |
| Barclays PLC | 419,951 | $13.9M | 0.01% | −5,826−1.4% | Reduced |
| Rice Hall James & Associates, LLC | 426,585 | $14.1M | 0.83% | −3,342−0.8% | Reduced |
| Raymond James Financial Inc | 429,482 | $14.2M | 0.01% | +2,060+0.5% | Added |
| Rhumbline Advisers | 455,197 | $15.0M | 0.01% | −9,517−2.0% | Reduced |
| Ensign Peak Advisors, Inc | 460,300 | $15.2M | 0.03% | +397,384+631.6% | Added |
| D. E. Shaw & Co., Inc. | 468,481 | $15.5M | 0.02% | −87,446−15.7% | Reduced |
| Voya Investment Management LLC | 477,183 | $15.8M | 0.02% | +27,136+6.0% | Added |
| UBS Asset Management Americas Inc | 482,332 | $15.9M | 0.00% | +20,091+4.3% | Added |
| Glenmede Trust Co NA | 499,019 | $16.5M | 0.09% | −15,929−3.1% | Reduced |
| Jane Street Group, LLC | 524,687 | $17.3M | 0.03% | +196,846+60.0% | Added |
| Segall Bryant & Hamill, LLC | 528,821 | $17.5M | 0.27% | −40,799−7.2% | Reduced |
| Ameriprise Financial Inc | 530,772 | $17.5M | 0.00% | +133,253+33.5% | Added |
| AQR Capital Management LLC | 532,265 | $17.6M | 0.02% | −279,276−34.4% | Reduced |
| Legal & General Group Plc | 552,569 | $18.2M | 0.00% | −21,679−3.8% | Reduced |
| Two Sigma Investments, LP | 557,940 | $18.4M | 0.04% | +229,420+69.8% | Added |
| MetLife Investment Management | 567,621 | $18.7M | 0.10% | +470,926+487.0% | Added |
| Public Sector Pension Investment Board | 585,262 | $19.3M | 0.08% | +182,159+45.2% | Added |
| Frazier Life Sciences Management, L.P. | 601,129 | $19.8M | 0.91% | 00.0% | Unchanged |
| Invesco Ltd. | 735,496 | $24.3M | 0.00% | +13,580+1.9% | Added |
| Woodline Partners LP | 744,000 | $24.6M | 0.16% | +1,284+0.2% | Added |
| Driehaus Capital Management LLC | 792,831 | $26.2M | 0.25% | +792,831 | New |
| Panagora Asset Management Inc | 859,982 | $28.4M | 0.14% | −2,158−0.3% | Reduced |
| Acadian Asset Management LLC | 881,827 | $29.1M | 0.08% | +846,861+2,422.0% | Added |
| Quantedge Capital Pte Ltd | 881,900 | $29.1M | 9.21% | +824,000+1,423.1% | Added |
| Pacer Advisors, Inc. | 890,144 | $29.4M | 0.07% | −2,572,938−74.3% | Reduced |
| Principal Financial Group Inc | 928,865 | $30.7M | 0.02% | +29,101+3.2% | Added |
| Virginia Retirement Systems Et Al | 948,133 | $31.3M | 0.23% | +948,133 | New |
| Affinity Asset Advisors, LLC | 1,000,000 | $33.0M | 5.17% | −100,000−9.1% | Reduced |
| Farallon Capital Management, L.L.C. | 1,389,800 | $45.9M | 0.25% | +1,389,800 | New |
| Goldman Sachs Group Inc | 1,472,051 | $48.6M | 0.01% | +29,255+2.0% | Added |
| Bank of America Corp | 1,507,182 | $49.8M | 0.00% | +1,107,897+277.5% | Added |
| FMR LLC | 1,543,058 | $51.0M | 0.00% | +1,329,485+622.5% | Added |
| First Trust Advisors LP | 1,621,046 | $53.5M | 0.05% | +127,395+8.5% | Added |
| Artisan Partners Limited Partnership | 1,636,269 | $54.0M | 0.09% | −352,527−17.7% | Reduced |
| Bank of New York Mellon Corp | 1,690,195 | $55.8M | 0.01% | −446,395−20.9% | Reduced |
| Northern Trust Corp | 1,876,890 | $62.0M | 0.01% | −35,242−1.8% | Reduced |
| Norges Bank | 1,916,546 | $63.3M | 0.01% | −54,395−2.8% | Reduced |
| Commodore Capital LP | 1,950,000 | $64.4M | 4.74% | −350,000−15.2% | Reduced |
| Nuveen, LLC | 2,019,668 | $66.7M | 0.02% | +2,019,668 | New |
| Charles Schwab Investment Management Inc | 2,047,403 | $67.6M | 0.01% | −21,558−1.0% | Reduced |
| Morgan Stanley | 2,163,599 | $71.4M | 0.01% | +344,604+18.9% | Added |
| Holocene Advisors, LP | 2,174,602 | $71.8M | 0.21% | +1,916,699+743.2% | Added |
| Loomis Sayles & Co L P | 2,440,283 | $80.6M | 0.12% | +137,378+6.0% | Added |
| Avoro Capital Advisors LLC | 2,450,000 | $80.9M | 1.26% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 2,991,005 | $98.8M | 0.02% | −28,503−0.9% | Reduced |
| Primecap Management Co | 3,004,095 | $99.2M | 0.08% | −91,415−3.0% | Reduced |
| UBS Group AG | 3,043,209 | $100.5M | 0.02% | +2,723,284+851.2% | Added |
| Wellington Management Group LLP | 3,096,879 | $102.3M | 0.02% | −3,915,604−55.8% | Reduced |
| American Century Companies Inc | 3,465,674 | $114.4M | 0.07% | +14,967+0.4% | Added |
| Geode Capital Management, LLC | 3,939,694 | $130.1M | 0.01% | +121,045+3.2% | Added |
| Baker Bros. Advisors LP | 4,483,285 | $148.0M | 1.64% | +301,534+7.2% | Added |
| JPMorgan Chase & Co | 5,234,995 | $172.9M | 0.01% | +4,345,523+488.6% | Added |
| Renaissance Technologies LLC | 5,738,828 | $189.5M | 0.29% | +260,100+4.7% | Added |
| RTW Investments, LP | 6,884,698 | $227.3M | 3.48% | −673,137−8.9% | Reduced |
| State Street Corp | 8,022,670 | $264.9M | 0.01% | −792,305−9.0% | Reduced |
| Price T Rowe Associates Inc | 11,788,245 | $389.2M | 0.05% | −468,202−3.8% | Reduced |
| Vanguard Group Inc | 18,212,674 | $601.4M | 0.01% | −283,511−1.5% | Reduced |
| BlackRock, Inc. | 27,406,368 | $905.0M | 0.02% | −446,541−1.6% | Reduced |
| Camber Capital Management LP | 0 | $0 | 0.00% | −1,500,000−100.0% | Sold out |
| Sofinnova Investments, Inc. | 0 | $0 | 0.00% | −894,266−100.0% | Sold out |
| Logos Global Management LP | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −163,581−100.0% | Sold out |
| EFG Asset Management (North America) Corp. | 0 | $0 | 0.00% | −129,662−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −104,467−100.0% | Sold out |
| Philadelphia Trust Co | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| PFM Health Sciences, LP | 0 | $0 | 0.00% | −80,719−100.0% | Sold out |
| Hussman Strategic Advisors, Inc. | 0 | $0 | 0.00% | −67,200−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −21,783−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −17,574−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −15,739−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −12,225−100.0% | Sold out |
| Savant Capital, LLC | 0 | $0 | 0.00% | −11,075−100.0% | Sold out |
| ADAR1 Capital Management, LLC | 0 | $0 | 0.00% | −10,188−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −9,710−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −8,000−100.0% | Sold out |
| Gallacher Capital Management LLC | 0 | $0 | 0.00% | −7,568−100.0% | Sold out |
| Farringdon Capital, Ltd. | 0 | $0 | 0.00% | −7,084−100.0% | Sold out |
| Cornerstone Investment Partners, LLC | 0 | $0 | 0.00% | −7,058−100.0% | Sold out |
| DekaBank Deutsche Girozentrale | 0 | $0 | 0.00% | −5,614−100.0% | Sold out |
| Archer Investment Corp | 0 | $0 | 0.00% | −4,500−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −965−100.0% | Sold out |
| Venturi Wealth Management, LLC | 0 | $0 | 0.00% | −871−100.0% | Sold out |
| Coppell Advisory Solutions LLC | 0 | $0 | 0.00% | −467−100.0% | Sold out |
| Whittier Trust Co | 0 | $0 | 0.00% | −415−100.0% | Sold out |
| Van Hulzen Asset Management, LLC | 0 | $0 | 0.00% | −59−100.0% | Sold out |
| Knights of Columbus Asset Advisors LLC | 0 | $0 | 0.00% | −55−100.0% | Sold out |
| Cranbrook Wealth Management, LLC | 0 | $0 | 0.00% | −44−100.0% | Sold out |