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, 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 |
|---|---|---|---|---|---|
| Price T Rowe Associates Inc | 21,343,581 | $496.5M | 0.04% | +77,340+0.4% | Added |
| Vanguard Group Inc | 16,891,710 | $392.9M | 0.01% | +52,885+0.3% | Added |
| BlackRock Inc. | 14,252,287 | $331.5M | 0.01% | +1,163,567+8.9% | Added |
| Sarissa Capital Management LP | 14,040,000 | $326.6M | 28.27% | +827,000+6.3% | Added |
| Wellington Management Group LLP | 11,808,222 | $274.7M | 0.04% | 00.0% | Unchanged |
| Primecap Management Co | 6,075,180 | $141.3M | 0.10% | −334,490−5.2% | Reduced |
| State Street Corp | 5,694,440 | $132.5M | 0.01% | +772,964+15.7% | Added |
| Hardman Johnston Global Advisors LLC | 5,538,740 | $128.8M | 3.47% | +1,306,461+30.9% | Added |
| Renaissance Technologies LLC | 4,810,945 | $111.9M | 0.14% | +66,463+1.4% | Added |
| Armistice Capital, LLC | 3,172,000 | $73.8M | 1.79% | +816,000+34.6% | Added |
| Holocene Advisors, LP | 2,964,792 | $69.0M | 0.37% | +409,816+16.0% | Added |
| Bank of New York Mellon Corp | 2,904,549 | $67.6M | 0.01% | +140,203+5.1% | Added |
| Geode Capital Management, LLC | 2,871,803 | $66.8M | 0.01% | +61,474+2.2% | Added |
| Norges Bank | 2,599,310 | $60.5M | 0.01% | +1,069,343+69.9% | Added |
| Artisan Partners Limited Partnership | 2,260,732 | $52.6M | 0.06% | −486,321−17.7% | Reduced |
| Dimensional Fund Advisors LP | 2,184,796 | $50.8M | 0.02% | +112,077+5.4% | Added |
| First Trust Advisors LP | 2,084,008 | $48.5M | 0.05% | −631,186−23.2% | Reduced |
| Goldman Sachs Group Inc | 1,968,966 | $45.8M | 0.01% | +75,453+4.0% | Added |
| Charles Schwab Investment Management Inc | 1,873,225 | $43.6M | 0.01% | −61,454−3.2% | Reduced |
| Northern Trust Corp | 1,714,561 | $39.9M | 0.01% | −30,369−1.7% | Reduced |
| Jacobs Levy Equity Management, Inc | 1,648,802 | $38.4M | 0.26% | −83,476−4.8% | Reduced |
| Woodline Partners LP | 1,618,805 | $37.7M | 0.55% | +620,848+62.2% | Added |
| Baker Bros. Advisors LP | 1,500,000 | $34.9M | 0.17% | +271,830+22.1% | Added |
| Krensavage Asset Management, LLC | 1,442,965 | $33.6M | 11.64% | +998+0.1% | Added |
| Nuveen Asset Management, LLC | 1,358,898 | $30.5M | 0.01% | −613,237−31.1% | Reduced |
| Camber Capital Management LP | 1,300,000 | $30.2M | 1.17% | −1,425,000−52.3% | Reduced |
| TD Asset Management Inc | 1,170,389 | $27.2M | 0.02% | +608,300+108.2% | Added |
| Emerald Advisers, LLC | 967,068 | $22.5M | 0.83% | −173,565−15.2% | Reduced |
| Emerald Mutual Fund Advisers Trust | 925,075 | $21.5M | 0.76% | −168,670−15.4% | Reduced |
| Palo Alto Investors LP | 754,200 | $17.5M | 1.12% | +164,300+27.9% | Added |
| Citadel Advisors LLC | 658,100 | $15.3M | 0.02% | +104,142+18.8% | Added |
| Panagora Asset Management Inc | 615,737 | $14.3M | 0.08% | +83,742+15.7% | Added |
| Two Sigma Advisers, LP | 595,700 | $13.9M | 0.03% | −285,600−32.4% | Reduced |
| Glenmede Trust Co NA | 566,251 | $13.2M | 0.06% | +566,251 | New |
| Invesco Ltd. | 512,928 | $11.9M | 0.00% | +70,924+16.0% | Added |
| Pictet Asset Management SA | 472,471 | $11.0M | 0.01% | −14,267−2.9% | Reduced |
| UBS Asset Management Americas Inc | 456,128 | $10.6M | 0.00% | −197,201−30.2% | Reduced |
| Segall Bryant & Hamill, LLC | 428,578 | $9.97M | 0.09% | +18,031+4.4% | Added |
| Macquarie Group Ltd | 427,427 | $9.94M | 0.01% | 00.0% | Unchanged |
| 13D Management LLC | 423,660 | $9.85M | 3.78% | −25,940−5.8% | Reduced |
| Morgan Stanley | 393,494 | $9.15M | 0.00% | −23,642−5.7% | Reduced |
| Eagle Asset Management Inc | 361,267 | $8.44M | 0.04% | −50,161−12.2% | Reduced |
| Price Michael F | 360,600 | $8.39M | 0.93% | −4,400−1.2% | Reduced |
| Swiss National Bank | 354,500 | $8.25M | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 339,725 | $7.90M | 0.01% | −60,903−15.2% | Reduced |
| Bank of America Corp | 339,613 | $7.90M | 0.00% | +36,280+12.0% | Added |
| Federated Hermes, Inc. | 337,445 | $7.85M | 0.01% | +110,765+48.9% | Added |
| Millennium Management LLC | 326,682 | $7.60M | 0.01% | +297,020+1,001.3% | Added |
| Jupiter Asset Management Ltd | 307,606 | $7.18M | 0.08% | +307,606 | New |
| Legal & General Group Plc | 305,951 | $7.12M | 0.00% | +10,914+3.7% | Added |
| California Public Employees Retirement System | 304,982 | $7.09M | 0.00% | +52,967+21.0% | Added |
| Ameriprise Financial Inc | 282,339 | $6.57M | 0.00% | +176,732+167.3% | Added |
| Seizert Capital Partners, LLC | 281,793 | $6.55M | 0.29% | −48,247−14.6% | Reduced |
| Caption Management, LLC | 280,000 | $6.51M | 0.40% | −64,100−18.6% | Reduced |
| Principal Financial Group Inc | 277,657 | $6.46M | 0.00% | +2,462+0.9% | Added |
| Tekla Capital Management LLC | 277,309 | $6.45M | 0.21% | −96,515−25.8% | Reduced |
| Barclays PLC | 249,240 | $5.80M | 0.00% | +175,703+238.9% | Added |
| Citigroup Inc | 245,055 | $5.70M | 0.01% | +62,634+34.3% | Added |
| Rafferty Asset Management, LLC | 244,123 | $5.68M | 0.03% | +142,027+139.1% | Added |
| Alliancebernstein L.P. | 232,981 | $5.42M | 0.00% | +35,800+18.2% | Added |
| California State Teachers Retirement System | 223,933 | $5.21M | 0.01% | +6,004+2.8% | Added |
| State of Wisconsin Investment Board | 214,800 | $5.00M | 0.01% | +6,700+3.2% | Added |
| Prudential Financial Inc | 214,590 | $4.99M | 0.01% | −137,635−39.1% | Reduced |
| Rhenman & Partners Asset Management AB | 210,000 | $4.90M | 0.33% | 00.0% | Unchanged |
| Edgestream Partners, L.P. | 206,408 | $4.80M | 0.30% | +206,408 | New |
| Wells Fargo & Company | 205,041 | $4.77M | 0.00% | −99,813−32.7% | Reduced |
| PDT Partners, LLC | 202,003 | $4.70M | 0.36% | +51,203+34.0% | Added |
| Allspring Global Investments Holdings, LLC | 194,263 | $4.52M | 0.01% | +194,263 | New |
| D. E. Shaw & Co., Inc. | 188,898 | $4.39M | 0.01% | +111,804+145.0% | Added |
| Alps Advisors Inc | 187,586 | $4.36M | 0.05% | −10,620−5.4% | Reduced |
| Two Sigma Investments, LP | 185,509 | $4.32M | 0.01% | −291,915−61.1% | Reduced |
| Credit Suisse AG | 171,229 | $3.98M | 0.00% | +5,338+3.2% | Added |
| Rhumbline Advisers | 163,576 | $3.81M | 0.00% | −2,070−1.2% | Reduced |
| S&CO Inc | 153,000 | $3.56M | 0.25% | 00.0% | Unchanged |
| Hillsdale Investment Management Inc. | 147,200 | $3.42M | 0.23% | 00.0% | Unchanged |
| AQR Capital Management LLC | 141,010 | $3.28M | 0.01% | +30,639+27.8% | Added |
| The PNC Financial Services Group, Inc. | 130,591 | $3.04M | 0.00% | +32,877+33.6% | Added |
| Victory Capital Management Inc | 124,784 | $2.90M | 0.00% | −36,669−22.7% | Reduced |
| State of New Jersey Common Pension Fund D | 120,853 | $2.81M | 0.01% | +18,059+17.6% | Added |
| 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 |
| New York State Common Retirement Fund | 112,276 | $2.61M | 0.00% | −365−0.3% | Reduced |
| Parametric Portfolio Associates LLC | 110,741 | $2.58M | 0.00% | −128,711−53.8% | Reduced |
| BNP Paribas Arbitrage, SA | 109,244 | $2.54M | 0.01% | +50,585+86.2% | Added |
| AlphaCrest Capital Management LLC | 108,475 | $2.52M | 0.09% | +61,688+131.8% | Added |
| Cubist Systematic Strategies, LLC | 104,931 | $2.44M | 0.02% | −45,573−30.3% | Reduced |
| Engineers Gate Manager LP | 99,702 | $2.32M | 0.10% | +84,326+548.4% | Added |
| Tygh Capital Management, Inc. | 98,069 | $2.28M | 0.29% | −196−0.2% | Reduced |
| Fisher Asset Management, LLC | 88,380 | $2.06M | 0.00% | +172+0.2% | Added |
| Putnam Investments LLC | 86,899 | $2.02M | 0.00% | −330,901−79.2% | Reduced |
| American International Group, Inc. | 85,251 | $1.98M | 0.01% | −2,550−2.9% | Reduced |
| Massachusetts Financial Services Co | 83,794 | $1.95M | 0.00% | −1,698−2.0% | Reduced |
| Manufacturers Life Insurance Company, The | 81,053 | $1.89M | 0.00% | −1,288−1.6% | Reduced |
| Man Group plc | 80,630 | $1.88M | 0.01% | −14,143−14.9% | Reduced |
| State Board of Administration of Florida Retirement System | 69,730 | $1.62M | 0.00% | −52,809−43.1% | Reduced |
| Squarepoint Ops LLC | 67,032 | $1.56M | 0.01% | −228,862−77.3% | Reduced |
| SG Americas Securities, LLC | 63,086 | $1.47M | 0.01% | +22,058+53.8% | Added |
| Voya Investment Management LLC | 62,346 | $1.45M | 0.00% | −577−0.9% | Reduced |
| ProShare Advisors LLC | 61,876 | $1.44M | 0.00% | +3,036+5.2% | Added |
| SEI Investments Co | 61,233 | $1.42M | 0.00% | −60,735−49.8% | Reduced |