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, Q4 2021
Institutional positions in Alkermes plc. as of Dec 31, 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
- 219
- −6 vs. Q3 2021
- Shares held
- 158.1M
- +3.47M (+2.2%) vs. Q3 2021
- Total value
- $3.68B
- −$1.09B (−22.9%) vs. Q3 2021
- New holders
- 34
- 76 more added
- Sold out
- 40
- 75 more reduced
2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Alkermes plc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Franklin Resources Inc | 35,435 | $824.0K | 0.00% | +5,218+17.3% | Added |
| AGF Investments LLC | 35,783 | $832.0K | 0.07% | +15,631+77.6% | Added |
| Bank of Nova Scotia | 40,704 | $947.0K | 0.00% | +25,013+159.4% | Added |
| Robeco Institutional Asset Management B.V. | 41,712 | $971.0K | 0.00% | +41,712 | New |
| Storebrand Asset Management AS | 41,937 | $975.5K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 42,137 | $980.1K | 0.01% | 00.0% | Unchanged |
| Employees Retirement System of Texas | 42,300 | $984.0K | 0.01% | +10,000+31.0% | Added |
| Paradiem, LLC | 38,903 | $992.0K | 0.32% | +6,958+21.8% | Added |
| Arizona State Retirement System | 43,422 | $1.01M | 0.01% | −284−0.6% | Reduced |
| Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors | 45,000 | $1.05M | 0.30% | 00.0% | Unchanged |
| American Century Companies Inc | 45,239 | $1.05M | 0.00% | +1,943+4.5% | Added |
| Parallax Volatility Advisers, L.P. | 48,490 | $1.13M | 0.01% | +48,490 | New |
| Globeflex Capital L P | 49,286 | $1.15M | 0.23% | −26,247−34.7% | Reduced |
| Birchview Capital, LP | 50,000 | $1.16M | 0.75% | 00.0% | Unchanged |
| Integral Health Asset Management, LLC | 50,000 | $1.16M | 0.32% | +50,000 | New |
| Tudor Investment Corp Et Al | 54,086 | $1.26M | 0.02% | −24,229−30.9% | Reduced |
| Virginia Retirement Systems Et Al | 55,200 | $1.28M | 0.01% | −51,300−48.2% | Reduced |
| MetLife Investment Management | 57,471 | $1.34M | 0.01% | 00.0% | Unchanged |
| Hudson Portfolio Management LLC | 59,680 | $1.39M | 1.23% | +2,200+3.8% | Added |
| SEI Investments Co | 61,233 | $1.42M | 0.00% | −60,735−49.8% | Reduced |
| ProShare Advisors LLC | 61,876 | $1.44M | 0.00% | +3,036+5.2% | Added |
| Voya Investment Management LLC | 62,346 | $1.45M | 0.00% | −577−0.9% | Reduced |
| SG Americas Securities, LLC | 63,086 | $1.47M | 0.01% | +22,058+53.8% | Added |
| Squarepoint Ops LLC | 67,032 | $1.56M | 0.01% | −228,862−77.3% | Reduced |
| State Board of Administration of Florida Retirement System | 69,730 | $1.62M | 0.00% | −52,809−43.1% | Reduced |
| Man Group plc | 80,630 | $1.88M | 0.01% | −14,143−14.9% | Reduced |
| Manufacturers Life Insurance Company, The | 81,053 | $1.89M | 0.00% | −1,288−1.6% | Reduced |
| Massachusetts Financial Services Co | 83,794 | $1.95M | 0.00% | −1,698−2.0% | Reduced |
| American International Group, Inc. | 85,251 | $1.98M | 0.01% | −2,550−2.9% | Reduced |
| Putnam Investments LLC | 86,899 | $2.02M | 0.00% | −330,901−79.2% | Reduced |
| Fisher Asset Management, LLC | 88,380 | $2.06M | 0.00% | +172+0.2% | Added |
| Tygh Capital Management, Inc. | 98,069 | $2.28M | 0.29% | −196−0.2% | Reduced |
| Engineers Gate Manager LP | 99,702 | $2.32M | 0.10% | +84,326+548.4% | Added |
| Cubist Systematic Strategies, LLC | 104,931 | $2.44M | 0.02% | −45,573−30.3% | Reduced |
| AlphaCrest Capital Management LLC | 108,475 | $2.52M | 0.09% | +61,688+131.8% | Added |
| BNP Paribas Arbitrage, SA | 109,244 | $2.54M | 0.01% | +50,585+86.2% | Added |
| Parametric Portfolio Associates LLC | 110,741 | $2.58M | 0.00% | −128,711−53.8% | Reduced |
| New York State Common Retirement Fund | 112,276 | $2.61M | 0.00% | −365−0.3% | Reduced |
| Deutsche Bank AG | 114,854 | $2.67M | 0.00% | −36,823−24.3% | Reduced |
| Duality Advisers, LP | 114,834 | $2.67M | 0.29% | +114,834 | New |
| State of New Jersey Common Pension Fund D | 120,853 | $2.81M | 0.01% | +18,059+17.6% | Added |
| Victory Capital Management Inc | 124,784 | $2.90M | 0.00% | −36,669−22.7% | Reduced |
| The PNC Financial Services Group, Inc. | 130,591 | $3.04M | 0.00% | +32,877+33.6% | Added |
| AQR Capital Management LLC | 141,010 | $3.28M | 0.01% | +30,639+27.8% | Added |
| Hillsdale Investment Management Inc. | 147,200 | $3.42M | 0.23% | 00.0% | Unchanged |
| S&CO Inc | 153,000 | $3.56M | 0.25% | 00.0% | Unchanged |
| Rhumbline Advisers | 163,576 | $3.81M | 0.00% | −2,070−1.2% | Reduced |
| Credit Suisse AG | 171,229 | $3.98M | 0.00% | +5,338+3.2% | Added |
| Two Sigma Investments, LP | 185,509 | $4.32M | 0.01% | −291,915−61.1% | Reduced |
| Alps Advisors Inc | 187,586 | $4.36M | 0.05% | −10,620−5.4% | Reduced |
| D. E. Shaw & Co., Inc. | 188,898 | $4.39M | 0.01% | +111,804+145.0% | Added |
| Allspring Global Investments Holdings, LLC | 194,263 | $4.52M | 0.01% | +194,263 | New |
| PDT Partners, LLC | 202,003 | $4.70M | 0.36% | +51,203+34.0% | Added |
| Wells Fargo & Company | 205,041 | $4.77M | 0.00% | −99,813−32.7% | Reduced |
| Edgestream Partners, L.P. | 206,408 | $4.80M | 0.30% | +206,408 | New |
| Rhenman & Partners Asset Management AB | 210,000 | $4.90M | 0.33% | 00.0% | Unchanged |
| Prudential Financial Inc | 214,590 | $4.99M | 0.01% | −137,635−39.1% | Reduced |
| State of Wisconsin Investment Board | 214,800 | $5.00M | 0.01% | +6,700+3.2% | Added |
| California State Teachers Retirement System | 223,933 | $5.21M | 0.01% | +6,004+2.8% | Added |
| Alliancebernstein L.P. | 232,981 | $5.42M | 0.00% | +35,800+18.2% | Added |
| Rafferty Asset Management, LLC | 244,123 | $5.68M | 0.03% | +142,027+139.1% | Added |
| Citigroup Inc | 245,055 | $5.70M | 0.01% | +62,634+34.3% | Added |
| Barclays PLC | 249,240 | $5.80M | 0.00% | +175,703+238.9% | Added |
| Tekla Capital Management LLC | 277,309 | $6.45M | 0.21% | −96,515−25.8% | Reduced |
| Principal Financial Group Inc | 277,657 | $6.46M | 0.00% | +2,462+0.9% | Added |
| Caption Management, LLC | 280,000 | $6.51M | 0.40% | −64,100−18.6% | Reduced |
| Seizert Capital Partners, LLC | 281,793 | $6.55M | 0.29% | −48,247−14.6% | Reduced |
| Ameriprise Financial Inc | 282,339 | $6.57M | 0.00% | +176,732+167.3% | Added |
| California Public Employees Retirement System | 304,982 | $7.09M | 0.00% | +52,967+21.0% | Added |
| Legal & General Group Plc | 305,951 | $7.12M | 0.00% | +10,914+3.7% | Added |
| Jupiter Asset Management Ltd | 307,606 | $7.18M | 0.08% | +307,606 | New |
| Millennium Management LLC | 326,682 | $7.60M | 0.01% | +297,020+1,001.3% | Added |
| Federated Hermes, Inc. | 337,445 | $7.85M | 0.01% | +110,765+48.9% | Added |
| Bank of America Corp | 339,613 | $7.90M | 0.00% | +36,280+12.0% | Added |
| Russell Investments Group, Ltd. | 339,725 | $7.90M | 0.01% | −60,903−15.2% | Reduced |
| Swiss National Bank | 354,500 | $8.25M | 0.00% | 00.0% | Unchanged |
| Price Michael F | 360,600 | $8.39M | 0.93% | −4,400−1.2% | Reduced |
| Eagle Asset Management Inc | 361,267 | $8.44M | 0.04% | −50,161−12.2% | Reduced |
| Morgan Stanley | 393,494 | $9.15M | 0.00% | −23,642−5.7% | Reduced |
| 13D Management LLC | 423,660 | $9.85M | 3.78% | −25,940−5.8% | Reduced |
| Macquarie Group Ltd | 427,427 | $9.94M | 0.01% | 00.0% | Unchanged |
| Segall Bryant & Hamill, LLC | 428,578 | $9.97M | 0.09% | +18,031+4.4% | Added |
| UBS Asset Management Americas Inc | 456,128 | $10.6M | 0.00% | −197,201−30.2% | Reduced |
| Pictet Asset Management SA | 472,471 | $11.0M | 0.01% | −14,267−2.9% | Reduced |
| Invesco Ltd. | 512,928 | $11.9M | 0.00% | +70,924+16.0% | Added |
| Glenmede Trust Co NA | 566,251 | $13.2M | 0.06% | +566,251 | New |
| Two Sigma Advisers, LP | 595,700 | $13.9M | 0.03% | −285,600−32.4% | Reduced |
| Panagora Asset Management Inc | 615,737 | $14.3M | 0.08% | +83,742+15.7% | Added |
| Citadel Advisors LLC | 658,100 | $15.3M | 0.02% | +104,142+18.8% | Added |
| Palo Alto Investors LP | 754,200 | $17.5M | 1.12% | +164,300+27.9% | Added |
| Emerald Mutual Fund Advisers Trust | 925,075 | $21.5M | 0.76% | −168,670−15.4% | Reduced |
| Emerald Advisers, LLC | 967,068 | $22.5M | 0.83% | −173,565−15.2% | Reduced |
| TD Asset Management Inc | 1,170,389 | $27.2M | 0.02% | +608,300+108.2% | Added |
| Camber Capital Management LP | 1,300,000 | $30.2M | 1.17% | −1,425,000−52.3% | Reduced |
| Nuveen Asset Management, LLC | 1,358,898 | $30.5M | 0.01% | −613,237−31.1% | Reduced |
| Krensavage Asset Management, LLC | 1,442,965 | $33.6M | 11.64% | +998+0.1% | Added |
| Baker Bros. Advisors LP | 1,500,000 | $34.9M | 0.17% | +271,830+22.1% | Added |
| Woodline Partners LP | 1,618,805 | $37.7M | 0.55% | +620,848+62.2% | Added |
| Jacobs Levy Equity Management, Inc | 1,648,802 | $38.4M | 0.26% | −83,476−4.8% | Reduced |
| Northern Trust Corp | 1,714,561 | $39.9M | 0.01% | −30,369−1.7% | Reduced |