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 |
|---|---|---|---|---|---|
| STRS Ohio | 42,500 | $1.40M | 0.01% | +29,700+232.0% | Added |
| Envestnet Asset Management Inc | 43,107 | $1.42M | 0.00% | −4,487−9.4% | Reduced |
| Diversified Trust Co | 43,860 | $1.45M | 0.04% | +1,351+3.2% | Added |
| Arizona State Retirement System | 44,066 | $1.46M | 0.01% | −1,320−2.9% | Reduced |
| ProShare Advisors LLC | 45,286 | $1.50M | 0.00% | −10,925−19.4% | Reduced |
| Amalgamated Bank | 46,320 | $1.53M | 0.01% | −1,154−2.4% | Reduced |
| Nicollet Investment Management, Inc. | 47,175 | $1.56M | 0.55% | +3,438+7.9% | Added |
| Royce & Associates LP | 47,187 | $1.56M | 0.02% | −7,244−13.3% | Reduced |
| Maryland State Retirement & Pension System | 47,432 | $1.57M | 0.04% | −7,057−13.0% | Reduced |
| Virtus ETF Advisers LLC | 47,708 | $1.58M | 1.02% | +47,708 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 47,738 | $1.58M | 0.01% | +47,738 | New |
| Birchview Capital, LP | 50,000 | $1.65M | 1.43% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 52,356 | $1.73M | 0.02% | −5,003−8.7% | Reduced |
| Fieldview Capital Management, LLC | 52,943 | $1.75M | 0.25% | +43,003+432.6% | Added |
| XTX Topco Ltd | 54,347 | $1.79M | 0.09% | +38,602+245.2% | Added |
| State of New Jersey Common Pension Fund D | 54,463 | $1.80M | 0.01% | −21,926−28.7% | Reduced |
| Danske Bank A/S | 55,848 | $1.84M | 0.01% | −97,073−63.5% | Reduced |
| Vident Advisory, LLC | 56,817 | $1.88M | 0.03% | −9,314−14.1% | Reduced |
| Natixis Advisors, L.P. | 57,067 | $1.88M | 0.00% | +7,145+14.3% | Added |
| Verition Fund Management LLC | 57,491 | $1.90M | 0.01% | +43,358+306.8% | Added |
| Advisor Resource Council | 60,952 | $1.92M | 0.16% | +60,952 | New |
| AMG National Trust Bank | 59,735 | $1.97M | 0.06% | −135−0.2% | Reduced |
| Yousif Capital Management, LLC | 61,347 | $2.03M | 0.02% | −1,294−2.1% | Reduced |
| Amundi | 67,345 | $2.13M | 0.00% | −16,318−19.5% | Reduced |
| Assenagon Asset Management S.A. | 68,049 | $2.25M | 0.00% | −12,196−15.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 69,335 | $2.26M | 0.00% | −22,414−24.4% | Reduced |
| KLP Kapitalforvaltning AS | 68,600 | $2.27M | 0.01% | −2,500−3.5% | Reduced |
| Tudor Investment Corp Et Al | 70,316 | $2.32M | 0.02% | +53,196+310.7% | Added |
| HighVista Strategies LLC | 70,762 | $2.34M | 0.90% | +16,316+30.0% | Added |
| Caption Management, LLC | 71,347 | $2.36M | 0.11% | +58,547+457.4% | Added |
| State of Tennessee, Treasury Department | 73,462 | $2.43M | 0.01% | −1,389−1.9% | Reduced |
| Campbell & CO Investment Adviser LLC | 75,069 | $2.48M | 0.19% | +75,069 | New |
| Louisiana State Employees Retirement System | 76,600 | $2.53M | 0.05% | −1,600−2.0% | Reduced |
| Robeco Institutional Asset Management B.V. | 76,853 | $2.54M | 0.00% | −45,636−37.3% | Reduced |
| Federated Hermes, Inc. | 79,590 | $2.63M | 0.01% | −274,659−77.5% | Reduced |
| Gotham Asset Management, LLC | 79,668 | $2.63M | 0.02% | +48,731+157.5% | Added |
| HSBC Holdings PLC | 81,056 | $2.64M | 0.00% | +51,393+173.3% | Added |
| Moody Aldrich Partners LLC | 81,234 | $2.68M | 0.56% | −1,239−1.5% | Reduced |
| Illinois Municipal Retirement Fund | 82,680 | $2.73M | 0.04% | +702+0.9% | Added |
| Corebridge Financial, Inc. | 84,142 | $2.78M | 0.02% | −1,625−1.9% | Reduced |
| Citadel Advisors LLC | 84,367 | $2.79M | 0.00% | +31,161+58.6% | Added |
| Creative Planning | 85,462 | $2.82M | 0.00% | +14,010+19.6% | Added |
| Intech Investment Management LLC | 85,564 | $2.83M | 0.03% | +17,413+25.6% | Added |
| Susquehanna Fundamental Investments, LLC | 86,899 | $2.87M | 0.05% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 89,703 | $2.96M | 0.01% | +2,425+2.8% | Added |
| State of Alaska, Department of Revenue | 90,103 | $2.98M | 0.03% | −1,853−2.0% | Reduced |
| Martingale Asset Management L P | 93,094 | $3.07M | 0.08% | +240+0.3% | Added |
| Franklin Resources Inc | 94,008 | $3.10M | 0.00% | −2,916−3.0% | Reduced |
| DAFNA Capital Management LLC | 94,200 | $3.11M | 0.88% | −26,500−22.0% | Reduced |
| Pathstone Holdings, LLC | 99,549 | $3.29M | 0.01% | +14,557+17.1% | Added |
| Voloridge Investment Management, LLC | 99,957 | $3.30M | 0.01% | −226,412−69.4% | Reduced |
| Wells Fargo & Company | 99,997 | $3.30M | 0.00% | +5,977+6.4% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 102,885 | $3.40M | 0.01% | +2,853+2.9% | Added |
| J. Goldman & Co LP | 110,051 | $3.63M | 0.13% | +110,051 | New |
| Edgestream Partners, L.P. | 110,244 | $3.64M | 0.12% | +56,138+103.8% | Added |
| Allostery Investments LP | 115,000 | $3.80M | 5.48% | −5,000−4.2% | Reduced |
| Alps Advisors Inc | 115,732 | $3.82M | 0.02% | −15,106−11.5% | Reduced |
| Wedge Capital Management L L P | 117,516 | $3.88M | 0.08% | +5,607+5.0% | Added |
| State of Wisconsin Investment Board | 118,197 | $3.90M | 0.01% | +10,145+9.4% | Added |
| Thrivent Financial for Lutherans | 119,443 | $3.94M | 0.01% | −5,623−4.5% | Reduced |
| Victory Capital Management Inc | 120,997 | $4.00M | 0.00% | +28,596+30.9% | Added |
| State Board of Administration of Florida Retirement System | 122,514 | $4.05M | 0.01% | +1,484+1.2% | Added |
| HRT Financial LP | 122,638 | $4.05M | 0.03% | +22,366+22.3% | Added |
| Silverarc Capital Management, LLC | 124,871 | $4.12M | 0.86% | +124,871 | New |
| BNP Paribas Arbitrage, SA | 127,990 | $4.23M | 0.00% | −89,990−41.3% | Reduced |
| Todd Asset Management LLC | 129,613 | $4.28M | 0.10% | −3,947−3.0% | Reduced |
| PDT Partners, LLC | 131,383 | $4.34M | 0.31% | +27,436+26.4% | Added |
| Man Group plc | 135,828 | $4.49M | 0.01% | +27,176+25.0% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 139,311 | $4.60M | 0.01% | +25,493+22.4% | Added |
| Lazard Asset Management LLC | 139,881 | $4.62M | 0.01% | +46,735+50.2% | Added |
| New York State Common Retirement Fund | 141,084 | $4.66M | 0.01% | −1,396−1.0% | Reduced |
| California State Teachers Retirement System | 144,931 | $4.79M | 0.01% | −1,697−1.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 145,071 | $4.79M | 0.03% | +135,270+1,380.2% | Added |
| Integral Health Asset Management, LLC | 150,000 | $4.95M | 0.55% | +150,000 | New |
| Rafferty Asset Management, LLC | 150,448 | $4.97M | 0.02% | −59,132−28.2% | Reduced |
| ExodusPoint Capital Management, LP | 151,396 | $5.00M | 0.07% | +151,396 | New |
| Van Eck Associates Corp | 152,391 | $5.03M | 0.01% | +14,824+10.8% | Added |
| Russell Investments Group, Ltd. | 152,859 | $5.07M | 0.01% | +147,906+2,986.2% | Added |
| Qube Research & Technologies Ltd | 156,476 | $5.17M | 0.01% | −30,409−16.3% | Reduced |
| Standard Life Aberdeen plc | 156,867 | $5.18M | 0.01% | −87,452−35.8% | Reduced |
| EAM Investors, LLC | 159,055 | $5.25M | 0.91% | +159,055 | New |
| Teachers Retirement System of the State of Kentucky | 174,400 | $5.76M | 0.05% | −4,600−2.6% | Reduced |
| Algert Global LLC | 176,859 | $5.84M | 0.14% | +176,859 | New |
| Millennium Management LLC | 177,105 | $5.85M | 0.01% | −463,401−72.3% | Reduced |
| Prudential Financial Inc | 178,641 | $5.90M | 0.01% | −18,990−9.6% | Reduced |
| LSV Asset Management | 182,965 | $6.04M | 0.01% | −189,435−50.9% | Reduced |
| StemPoint Capital LP | 192,352 | $6.35M | 2.03% | −224,616−53.9% | Reduced |
| Manufacturers Life Insurance Company, The | 194,992 | $6.44M | 0.01% | −1,839−0.9% | Reduced |
| Neuberger Berman Group LLC | 199,977 | $6.60M | 0.01% | +187,667+1,524.5% | Added |
| SEI Investments Co | 211,997 | $6.71M | 0.01% | +136,603+181.2% | Added |
| TD Asset Management Inc | 205,642 | $6.79M | 0.01% | −16,088−7.3% | Reduced |
| Deutsche Bank AG | 206,835 | $6.83M | 0.00% | −17,835−7.9% | Reduced |
| Krensavage Asset Management, LLC | 207,822 | $6.86M | 3.79% | −30,314−12.7% | Reduced |
| HealthInvest Partners AB | 214,778 | $7.09M | 3.13% | −51,721−19.4% | Reduced |
| Handelsbanken Fonder AB | 217,000 | $7.17M | 0.03% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 219,700 | $7.25M | 0.02% | +199,000+961.4% | Added |
| Palo Alto Investors LP | 221,513 | $7.31M | 1.39% | −67,795−23.4% | Reduced |
| S&CO Inc | 221,960 | $7.33M | 0.49% | +7,495+3.5% | Added |
| Alliancebernstein L.P. | 228,596 | $7.55M | 0.00% | −162,570−41.6% | Reduced |
| Susquehanna International Group, LLP | 232,025 | $7.66M | 0.01% | +116,318+100.5% | Added |