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 2021
Institutional positions in Alkermes plc. as of Sep 30, 2021. 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
- 227
- +3 vs. Q2 2021
- Shares held
- 154.7M
- −5.97M (−3.7%) vs. Q2 2021
- Total value
- $4.77B
- +$830.4M (+21.1%) vs. Q2 2021
- New holders
- 43
- 72 more added
- Sold out
- 40
- 73 more reduced
2 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Alkermes plc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Price T Rowe Associates Inc | 21,266,241 | $655.9M | 0.06% | −1,578,713−6.9% | Reduced |
| Vanguard Group Inc | 16,838,825 | $519.3M | 0.01% | +238,336+1.4% | Added |
| Sarissa Capital Management LP | 13,213,000 | $407.5M | 31.99% | +1,343,000+11.3% | Added |
| BlackRock Inc. | 13,088,720 | $403.7M | 0.01% | +52,174+0.4% | Added |
| Wellington Management Group LLP | 11,808,222 | $364.2M | 0.06% | −2,423,415−17.0% | Reduced |
| Primecap Management Co | 6,409,670 | $197.7M | 0.14% | −148,750−2.3% | Reduced |
| State Street Corp | 4,921,476 | $151.8M | 0.01% | −32,860−0.7% | Reduced |
| Renaissance Technologies LLC | 4,744,482 | $146.3M | 0.19% | −534,131−10.1% | Reduced |
| Hardman Johnston Global Advisors LLC | 4,232,279 | $130.5M | 3.51% | +3,627,099+599.3% | Added |
| Geode Capital Management, LLC | 2,810,329 | $86.7M | 0.01% | −247,610−8.1% | Reduced |
| Bank of New York Mellon Corp | 2,764,346 | $85.3M | 0.02% | +72,340+2.7% | Added |
| Artisan Partners Limited Partnership | 2,747,053 | $84.7M | 0.10% | −166,203−5.7% | Reduced |
| Camber Capital Management LP | 2,725,000 | $84.0M | 3.12% | −1,575,000−36.6% | Reduced |
| First Trust Advisors LP | 2,715,194 | $83.7M | 0.09% | −436,095−13.8% | Reduced |
| Holocene Advisors, LP | 2,554,976 | $78.8M | 0.45% | +347,979+15.8% | Added |
| Armistice Capital, LLC | 2,356,000 | $72.7M | 1.80% | −1,544,000−39.6% | Reduced |
| Dimensional Fund Advisors LP | 2,072,719 | $63.9M | 0.02% | +290,637+16.3% | Added |
| Nuveen Asset Management, LLC | 1,972,135 | $60.8M | 0.02% | −199,406−9.2% | Reduced |
| Charles Schwab Investment Management Inc | 1,934,679 | $59.7M | 0.02% | +341,464+21.4% | Added |
| Goldman Sachs Group Inc | 1,893,513 | $58.4M | 0.01% | +16,283+0.9% | Added |
| Northern Trust Corp | 1,744,930 | $53.8M | 0.01% | −38,419−2.2% | Reduced |
| Jacobs Levy Equity Management, Inc | 1,732,278 | $53.4M | 0.36% | +18,161+1.1% | Added |
| Norges Bank | 1,529,967 | $47.2M | 0.01% | −226,468−12.9% | Reduced |
| Krensavage Asset Management, LLC | 1,441,967 | $44.5M | 13.95% | −246,874−14.6% | Reduced |
| Baker Bros. Advisors LP | 1,228,170 | $37.9M | 0.17% | 00.0% | Unchanged |
| Emerald Advisers, LLC | 1,140,633 | $35.2M | 1.28% | +1,140,633 | New |
| Emerald Mutual Fund Advisers Trust | 1,093,745 | $33.7M | 1.17% | +1,093,745 | New |
| Woodline Partners LP | 997,957 | $30.8M | 0.51% | +70.0% | Added |
| Two Sigma Advisers, LP | 881,300 | $27.2M | 0.07% | +317,300+56.3% | Added |
| UBS Asset Management Americas Inc | 653,329 | $20.1M | 0.01% | +112,739+20.9% | Added |
| Palo Alto Investors LP | 589,900 | $18.2M | 1.10% | +102,800+21.1% | Added |
| TD Asset Management Inc | 562,089 | $17.3M | 0.02% | −4,300−0.8% | Reduced |
| Citadel Advisors LLC | 553,958 | $17.1M | 0.02% | +291,038+110.7% | Added |
| Panagora Asset Management Inc | 531,995 | $16.4M | 0.09% | +59,318+12.5% | Added |
| Pictet Asset Management SA | 486,738 | $15.0M | 0.02% | +486,738 | New |
| Two Sigma Investments, LP | 477,424 | $14.7M | 0.04% | −35,121−6.9% | Reduced |
| 13D Management LLC | 449,600 | $13.9M | 5.16% | 00.0% | Unchanged |
| Invesco Ltd. | 442,004 | $13.6M | 0.00% | −330,477−42.8% | Reduced |
| Macquarie Group Ltd | 427,427 | $13.2M | 0.01% | 00.0% | Unchanged |
| Putnam Investments LLC | 417,800 | $12.9M | 0.02% | −173,666−29.4% | Reduced |
| Morgan Stanley | 417,136 | $12.9M | 0.00% | −448,914−51.8% | Reduced |
| Eagle Asset Management Inc | 411,428 | $12.7M | 0.06% | −26,921−6.1% | Reduced |
| Segall Bryant & Hamill, LLC | 410,547 | $12.7M | 0.12% | +8,198+2.0% | Added |
| Russell Investments Group, Ltd. | 400,628 | $12.4M | 0.02% | −4,683−1.2% | Reduced |
| Bank of Montreal | 381,213 | $12.3M | 0.01% | −15,067−3.8% | Reduced |
| Tekla Capital Management LLC | 373,824 | $11.5M | 0.37% | +373,824 | New |
| Asymmetry Capital Management, L.P. | 373,382 | $11.5M | 6.92% | +68,137+22.3% | Added |
| Price Michael F | 365,000 | $11.3M | 1.30% | −135,000−27.0% | Reduced |
| Swiss National Bank | 354,500 | $10.9M | 0.01% | +3,500+1.0% | Added |
| Prudential Financial Inc | 352,225 | $10.9M | 0.02% | +142,900+68.3% | Added |
| Caption Management, LLC | 344,100 | $10.6M | 0.70% | −57,153−14.2% | Reduced |
| Seizert Capital Partners, LLC | 330,040 | $10.2M | 0.47% | −104,991−24.1% | Reduced |
| Wells Fargo & Company | 304,854 | $9.40M | 0.00% | −768,348−71.6% | Reduced |
| Bank of America Corp | 303,333 | $9.35M | 0.00% | +35,281+13.2% | Added |
| Squarepoint Ops LLC | 295,894 | $9.13M | 0.06% | +34,844+13.3% | Added |
| Legal & General Group Plc | 295,037 | $9.10M | 0.00% | +35,476+13.7% | Added |
| Principal Financial Group Inc | 275,195 | $8.49M | 0.01% | +8,214+3.1% | Added |
| California Public Employees Retirement System | 252,015 | $7.77M | 0.01% | +252,015 | New |
| Parametric Portfolio Associates LLC | 239,452 | $7.38M | 0.00% | +79,285+49.5% | Added |
| Federated Hermes, Inc. | 226,680 | $6.99M | 0.01% | +183,299+422.5% | Added |
| Acadian Asset Management LLC | 225,519 | $6.95M | 0.03% | −69,632−23.6% | Reduced |
| California State Teachers Retirement System | 217,929 | $6.72M | 0.01% | −3,301−1.5% | Reduced |
| Rhenman & Partners Asset Management AB | 210,000 | $6.48M | 0.45% | −99,354−32.1% | Reduced |
| State of Wisconsin Investment Board | 208,100 | $6.42M | 0.01% | 00.0% | Unchanged |
| Alps Advisors Inc | 198,206 | $6.11M | 0.06% | −12,231−5.8% | Reduced |
| Alliancebernstein L.P. | 197,181 | $6.08M | 0.00% | −1,400−0.7% | Reduced |
| Citigroup Inc | 182,421 | $5.63M | 0.01% | −24,141−11.7% | Reduced |
| AXA S.A. | 178,500 | $5.50M | 0.02% | +92,200+106.8% | Added |
| Credit Suisse AG | 165,891 | $5.12M | 0.00% | −468,255−73.8% | Reduced |
| Rhumbline Advisers | 165,646 | $5.11M | 0.01% | +3,008+1.8% | Added |
| Victory Capital Management Inc | 161,453 | $4.98M | 0.00% | +139,962+651.3% | Added |
| Balyasny Asset Management LLC | 160,833 | $4.96M | 0.02% | +160,833 | New |
| S&CO Inc | 153,000 | $4.72M | 0.37% | 00.0% | Unchanged |
| Deutsche Bank AG | 151,677 | $4.68M | 0.00% | −58,267−27.8% | Reduced |
| PDT Partners, LLC | 150,800 | $4.65M | 0.33% | −84,800−36.0% | Reduced |
| Cubist Systematic Strategies, LLC | 150,504 | $4.64M | 0.06% | −68,178−31.2% | Reduced |
| Hillsdale Investment Management Inc. | 147,200 | $4.54M | 0.35% | +121,400+470.5% | Added |
| State Board of Administration of Florida Retirement System | 122,539 | $3.78M | 0.01% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 112,641 | $3.47M | 0.00% | −51,759−31.5% | Reduced |
| AQR Capital Management LLC | 110,371 | $3.40M | 0.01% | −29,252−21.0% | Reduced |
| Virginia Retirement Systems Et Al | 106,500 | $3.28M | 0.03% | −11,600−9.8% | Reduced |
| Ameriprise Financial Inc | 105,607 | $3.26M | 0.00% | +3,693+3.6% | Added |
| State of New Jersey Common Pension Fund D | 102,794 | $3.17M | 0.01% | −10,840−9.5% | Reduced |
| Rafferty Asset Management, LLC | 102,096 | $3.15M | 0.02% | −2,119−2.0% | Reduced |
| SEI Investments Co | 121,968 | $3.09M | 0.01% | +33,871+38.4% | Added |
| Healthcare Value Capital, LLC | 100,000 | $3.08M | 8.00% | −50,000−33.3% | Reduced |
| Cinctive Capital Management LP | 99,924 | $3.08M | 0.17% | +34,148+51.9% | Added |
| Tygh Capital Management, Inc. | 98,265 | $3.03M | 0.41% | +98,265 | New |
| The PNC Financial Services Group, Inc. | 97,714 | $3.01M | 0.00% | +91,185+1,396.6% | Added |
| Seven Eight Capital, LP | 94,885 | $2.93M | 0.28% | +14,594+18.2% | Added |
| Man Group plc | 94,773 | $2.92M | 0.01% | +40,451+74.5% | Added |
| Fisher Asset Management, LLC | 88,208 | $2.72M | 0.00% | −595−0.7% | Reduced |
| American International Group, Inc. | 87,801 | $2.71M | 0.01% | −2,088−2.3% | Reduced |
| EAM Investors, LLC | 85,923 | $2.65M | 0.45% | +85,923 | New |
| Massachusetts Financial Services Co | 85,492 | $2.64M | 0.00% | +15,055+21.4% | Added |
| Guggenheim Capital LLC | 83,866 | $2.59M | 0.02% | +83,866 | New |
| Manufacturers Life Insurance Company, The | 82,341 | $2.54M | 0.00% | −7,716−8.6% | Reduced |
| Amundi | 80,703 | $2.49M | 0.00% | −17,065−17.5% | Reduced |
| Platinum Investment Management Ltd | 80,185 | $2.47M | 0.07% | −101,901−56.0% | Reduced |
| Tudor Investment Corp Et Al | 78,315 | $2.42M | 0.05% | −50,807−39.3% | Reduced |