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 |
|---|---|---|---|---|---|
| Profund Advisors LLC | 30,855 | $952.0K | 0.03% | −1,240−3.9% | Reduced |
| Employees Retirement System of Texas | 32,300 | $996.0K | 0.01% | +32,300 | New |
| Zebra Capital Management LLC | 33,574 | $1.03M | 1.25% | +33,574 | New |
| Jane Street Group, LLC | 35,700 | $1.10M | 0.00% | +6,962+24.2% | Added |
| Handelsbanken Fonder AB | 36,500 | $1.13M | 0.01% | 00.0% | Unchanged |
| Moloney Securities Asset Management, LLC | 37,100 | $1.14M | 0.21% | +37,100 | New |
| SG Americas Securities, LLC | 41,028 | $1.26M | 0.01% | −35,982−46.7% | Reduced |
| Storebrand Asset Management AS | 41,937 | $1.29M | 0.01% | −21,949−34.4% | Reduced |
| Jackson Creek Investment Advisors LLC | 42,075 | $1.30M | 0.48% | +42,075 | New |
| Metropolitan Life Insurance Co | 42,137 | $1.30M | 0.02% | −1,863−4.2% | Reduced |
| American Century Companies Inc | 43,296 | $1.33M | 0.00% | +43,296 | New |
| Arizona State Retirement System | 43,706 | $1.35M | 0.01% | +421+1.0% | Added |
| Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors | 45,000 | $1.39M | 0.45% | 00.0% | Unchanged |
| AlphaCrest Capital Management LLC | 46,787 | $1.44M | 0.07% | +29,289+167.4% | Added |
| DuPont Capital Management Corp | 46,841 | $1.45M | 0.05% | +9,817+26.5% | Added |
| Birchview Capital, LP | 50,000 | $1.54M | 1.05% | 00.0% | Unchanged |
| STRS Ohio | 50,700 | $1.56M | 0.01% | +41,200+433.7% | Added |
| Hudson Portfolio Management LLC | 57,480 | $1.77M | 1.63% | +10,550+22.5% | Added |
| MetLife Investment Management | 57,471 | $1.77M | 0.02% | 00.0% | Unchanged |
| Martingale Asset Management L P | 57,727 | $1.78M | 0.02% | +57,727 | New |
| BNP Paribas Arbitrage, SA | 58,659 | $1.81M | 0.00% | +3,196+5.8% | Added |
| ProShare Advisors LLC | 58,840 | $1.81M | 0.01% | −17,407−22.8% | Reduced |
| Voya Investment Management LLC | 62,923 | $1.94M | 0.00% | +487+0.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 66,746 | $2.06M | 0.01% | +66,746 | New |
| Barclays PLC | 73,537 | $2.27M | 0.00% | +49,097+200.9% | Added |
| Globeflex Capital L P | 75,533 | $2.33M | 0.51% | +7,515+11.0% | Added |
| D. E. Shaw & Co., Inc. | 77,094 | $2.38M | 0.00% | −99,443−56.3% | Reduced |
| Tudor Investment Corp Et Al | 78,315 | $2.42M | 0.05% | −50,807−39.3% | Reduced |
| Platinum Investment Management Ltd | 80,185 | $2.47M | 0.07% | −101,901−56.0% | Reduced |
| Amundi | 80,703 | $2.49M | 0.00% | −17,065−17.5% | Reduced |
| Manufacturers Life Insurance Company, The | 82,341 | $2.54M | 0.00% | −7,716−8.6% | Reduced |
| Guggenheim Capital LLC | 83,866 | $2.59M | 0.02% | +83,866 | New |
| Massachusetts Financial Services Co | 85,492 | $2.64M | 0.00% | +15,055+21.4% | Added |
| EAM Investors, LLC | 85,923 | $2.65M | 0.45% | +85,923 | New |
| American International Group, Inc. | 87,801 | $2.71M | 0.01% | −2,088−2.3% | Reduced |
| Fisher Asset Management, LLC | 88,208 | $2.72M | 0.00% | −595−0.7% | Reduced |
| Man Group plc | 94,773 | $2.92M | 0.01% | +40,451+74.5% | Added |
| Seven Eight Capital, LP | 94,885 | $2.93M | 0.28% | +14,594+18.2% | Added |
| The PNC Financial Services Group, Inc. | 97,714 | $3.01M | 0.00% | +91,185+1,396.6% | Added |
| Tygh Capital Management, Inc. | 98,265 | $3.03M | 0.41% | +98,265 | New |
| Cinctive Capital Management LP | 99,924 | $3.08M | 0.17% | +34,148+51.9% | Added |
| Healthcare Value Capital, LLC | 100,000 | $3.08M | 8.00% | −50,000−33.3% | Reduced |
| SEI Investments Co | 121,968 | $3.09M | 0.01% | +33,871+38.4% | Added |
| Rafferty Asset Management, LLC | 102,096 | $3.15M | 0.02% | −2,119−2.0% | Reduced |
| State of New Jersey Common Pension Fund D | 102,794 | $3.17M | 0.01% | −10,840−9.5% | Reduced |
| Ameriprise Financial Inc | 105,607 | $3.26M | 0.00% | +3,693+3.6% | Added |
| Virginia Retirement Systems Et Al | 106,500 | $3.28M | 0.03% | −11,600−9.8% | Reduced |
| AQR Capital Management LLC | 110,371 | $3.40M | 0.01% | −29,252−21.0% | Reduced |
| New York State Common Retirement Fund | 112,641 | $3.47M | 0.00% | −51,759−31.5% | Reduced |
| State Board of Administration of Florida Retirement System | 122,539 | $3.78M | 0.01% | 00.0% | Unchanged |
| Hillsdale Investment Management Inc. | 147,200 | $4.54M | 0.35% | +121,400+470.5% | Added |
| Cubist Systematic Strategies, LLC | 150,504 | $4.64M | 0.06% | −68,178−31.2% | Reduced |
| PDT Partners, LLC | 150,800 | $4.65M | 0.33% | −84,800−36.0% | Reduced |
| Deutsche Bank AG | 151,677 | $4.68M | 0.00% | −58,267−27.8% | Reduced |
| S&CO Inc | 153,000 | $4.72M | 0.37% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 160,833 | $4.96M | 0.02% | +160,833 | New |
| Victory Capital Management Inc | 161,453 | $4.98M | 0.00% | +139,962+651.3% | Added |
| Rhumbline Advisers | 165,646 | $5.11M | 0.01% | +3,008+1.8% | Added |
| Credit Suisse AG | 165,891 | $5.12M | 0.00% | −468,255−73.8% | Reduced |
| AXA S.A. | 178,500 | $5.50M | 0.02% | +92,200+106.8% | Added |
| Citigroup Inc | 182,421 | $5.63M | 0.01% | −24,141−11.7% | Reduced |
| Alliancebernstein L.P. | 197,181 | $6.08M | 0.00% | −1,400−0.7% | Reduced |
| Alps Advisors Inc | 198,206 | $6.11M | 0.06% | −12,231−5.8% | Reduced |
| State of Wisconsin Investment Board | 208,100 | $6.42M | 0.01% | 00.0% | Unchanged |
| Rhenman & Partners Asset Management AB | 210,000 | $6.48M | 0.45% | −99,354−32.1% | Reduced |
| California State Teachers Retirement System | 217,929 | $6.72M | 0.01% | −3,301−1.5% | Reduced |
| Acadian Asset Management LLC | 225,519 | $6.95M | 0.03% | −69,632−23.6% | Reduced |
| Federated Hermes, Inc. | 226,680 | $6.99M | 0.01% | +183,299+422.5% | Added |
| Parametric Portfolio Associates LLC | 239,452 | $7.38M | 0.00% | +79,285+49.5% | Added |
| California Public Employees Retirement System | 252,015 | $7.77M | 0.01% | +252,015 | New |
| Principal Financial Group Inc | 275,195 | $8.49M | 0.01% | +8,214+3.1% | Added |
| Legal & General Group Plc | 295,037 | $9.10M | 0.00% | +35,476+13.7% | Added |
| Squarepoint Ops LLC | 295,894 | $9.13M | 0.06% | +34,844+13.3% | Added |
| Bank of America Corp | 303,333 | $9.35M | 0.00% | +35,281+13.2% | Added |
| Wells Fargo & Company | 304,854 | $9.40M | 0.00% | −768,348−71.6% | Reduced |
| Seizert Capital Partners, LLC | 330,040 | $10.2M | 0.47% | −104,991−24.1% | Reduced |
| Caption Management, LLC | 344,100 | $10.6M | 0.70% | −57,153−14.2% | Reduced |
| Prudential Financial Inc | 352,225 | $10.9M | 0.02% | +142,900+68.3% | Added |
| Swiss National Bank | 354,500 | $10.9M | 0.01% | +3,500+1.0% | Added |
| Price Michael F | 365,000 | $11.3M | 1.30% | −135,000−27.0% | Reduced |
| Asymmetry Capital Management, L.P. | 373,382 | $11.5M | 6.92% | +68,137+22.3% | Added |
| Tekla Capital Management LLC | 373,824 | $11.5M | 0.37% | +373,824 | New |
| Bank of Montreal | 381,213 | $12.3M | 0.01% | −15,067−3.8% | Reduced |
| Russell Investments Group, Ltd. | 400,628 | $12.4M | 0.02% | −4,683−1.2% | Reduced |
| Segall Bryant & Hamill, LLC | 410,547 | $12.7M | 0.12% | +8,198+2.0% | Added |
| Eagle Asset Management Inc | 411,428 | $12.7M | 0.06% | −26,921−6.1% | Reduced |
| Morgan Stanley | 417,136 | $12.9M | 0.00% | −448,914−51.8% | Reduced |
| Putnam Investments LLC | 417,800 | $12.9M | 0.02% | −173,666−29.4% | Reduced |
| Macquarie Group Ltd | 427,427 | $13.2M | 0.01% | 00.0% | Unchanged |
| Invesco Ltd. | 442,004 | $13.6M | 0.00% | −330,477−42.8% | Reduced |
| 13D Management LLC | 449,600 | $13.9M | 5.16% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 477,424 | $14.7M | 0.04% | −35,121−6.9% | Reduced |
| Pictet Asset Management SA | 486,738 | $15.0M | 0.02% | +486,738 | New |
| Panagora Asset Management Inc | 531,995 | $16.4M | 0.09% | +59,318+12.5% | Added |
| Citadel Advisors LLC | 553,958 | $17.1M | 0.02% | +291,038+110.7% | Added |
| TD Asset Management Inc | 562,089 | $17.3M | 0.02% | −4,300−0.8% | Reduced |
| Palo Alto Investors LP | 589,900 | $18.2M | 1.10% | +102,800+21.1% | Added |
| UBS Asset Management Americas Inc | 653,329 | $20.1M | 0.01% | +112,739+20.9% | Added |
| Two Sigma Advisers, LP | 881,300 | $27.2M | 0.07% | +317,300+56.3% | Added |
| Woodline Partners LP | 997,957 | $30.8M | 0.51% | +70.0% | Added |