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, Q3 2025
Institutional positions in Alkermes plc. as of Sep 30, 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
- 358
- +10 vs. Q2 2025
- Shares held
- 169.6M
- +2.28M (+1.4%) vs. Q2 2025
- Total value
- $5.09B
- +$301.2M (+6.3%) vs. Q2 2025
- New holders
- 46
- 147 more added
- Sold out
- 36
- 134 more reduced
5 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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 2025
Shares, value and share of portfolio for each institution holding Alkermes plc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Millennium Management LLC | 147,460 | $4.42M | 0.00% | +69,521+89.2% | Added |
| Standard Life Aberdeen plc | 146,224 | $4.39M | 0.01% | −32,495−18.2% | Reduced |
| Manufacturers Life Insurance Company, The | 145,193 | $4.36M | 0.00% | −62,895−30.2% | Reduced |
| Wedge Capital Management L L P | 141,090 | $4.23M | 0.07% | +12,628+9.8% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 139,166 | $4.17M | 0.01% | +15,501+12.5% | Added |
| Algert Global LLC | 135,970 | $4.08M | 0.07% | +20,700+18.0% | Added |
| DAFNA Capital Management LLC | 134,748 | $4.04M | 1.00% | +31,000+29.9% | Added |
| Robeco Institutional Asset Management B.V. | 134,387 | $4.03M | 0.01% | +21,067+18.6% | Added |
| Wells Fargo & Company | 132,619 | $3.98M | 0.00% | +10,361+8.5% | Added |
| State Board of Administration of Florida Retirement System | 131,696 | $3.95M | 0.01% | +34,346+35.3% | Added |
| Hussman Strategic Advisors, Inc. | 126,000 | $3.78M | 0.82% | 00.0% | Unchanged |
| TD Asset Management Inc | 124,670 | $3.74M | 0.00% | −91,772−42.4% | Reduced |
| Thrivent Financial for Lutherans | 122,209 | $3.67M | 0.01% | +955+0.8% | Added |
| Capital Fund Management S.A. | 120,959 | $3.63M | 0.04% | +81,030+202.9% | Added |
| Van Eck Associates Corp | 119,502 | $3.58M | 0.00% | +1,690+1.4% | Added |
| Susquehanna International Group, LLP | 114,811 | $3.44M | 0.01% | −89,578−43.8% | Reduced |
| Assenagon Asset Management S.A. | 106,561 | $3.20M | 0.00% | +22,544+26.8% | Added |
| Rock Springs Capital Management LP | 106,537 | $3.20M | 0.19% | +106,537 | New |
| State of Wisconsin Investment Board | 99,936 | $3.00M | 0.01% | +380+0.4% | Added |
| Rhenman & Partners Asset Management AB | 94,000 | $2.82M | 0.31% | +55,000+141.0% | Added |
| State of Alaska, Department of Revenue | 91,717 | $2.75M | 0.03% | −6,456−6.6% | Reduced |
| Illinois Municipal Retirement Fund | 91,616 | $2.75M | 0.04% | +6,674+7.9% | Added |
| O'Shaughnessy Asset Management, LLC | 90,932 | $2.73M | 0.02% | −17,803−16.4% | Reduced |
| Polygon Management Ltd. | 89,612 | $2.69M | 0.39% | +73,980+473.3% | Added |
| New York State Teachers Retirement System | 89,402 | $2.68M | 0.01% | −912−1.0% | Reduced |
| Los Angeles Capital Management LLC | 85,535 | $2.57M | 0.01% | +32,335+60.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 84,577 | $2.53M | 0.00% | −12,236−12.6% | Reduced |
| Engineers Gate Manager LP | 83,157 | $2.49M | 0.03% | +35,563+74.7% | Added |
| Eagle Health Investments LP | 81,800 | $2.45M | 0.64% | +81,800 | New |
| Pathstone Holdings, LLC | 81,701 | $2.45M | 0.01% | −8,729−9.7% | Reduced |
| Vident Advisory, LLC | 81,430 | $2.44M | 0.02% | +21,854+36.7% | Added |
| KLP Kapitalforvaltning AS | 80,400 | $2.41M | 0.01% | +6,200+8.4% | Added |
| Alps Advisors Inc | 77,832 | $2.33M | 0.01% | −11,077−12.5% | Reduced |
| Louisiana State Employees Retirement System | 75,900 | $2.28M | 0.04% | −1,100−1.4% | Reduced |
| Intech Investment Management LLC | 74,037 | $2.22M | 0.02% | −10,672−12.6% | Reduced |
| State of Tennessee, Treasury Department | 73,815 | $2.21M | 0.01% | +1,540+2.1% | Added |
| State of New Jersey Common Pension Fund D | 73,196 | $2.20M | 0.01% | +10,519+16.8% | Added |
| Diadema Partners LP | 72,079 | $2.16M | 1.51% | +72,079 | New |
| Natixis Advisors, L.P. | 67,459 | $2.02M | 0.00% | +6,561+10.8% | Added |
| Globeflex Capital L P | 66,218 | $1.99M | 0.31% | +50,425+319.3% | Added |
| Citigroup Inc | 65,901 | $1.98M | 0.00% | −121,945−64.9% | Reduced |
| Gotham Asset Management, LLC | 62,986 | $1.89M | 0.01% | −70,486−52.8% | Reduced |
| Creative Planning | 61,995 | $1.86M | 0.00% | −16,428−20.9% | Reduced |
| Ritholtz Wealth Management | 61,742 | $1.85M | 0.04% | −6,892−10.0% | Reduced |
| AMG National Trust Bank | 60,175 | $1.81M | 0.04% | +388+0.6% | Added |
| Tudor Investment Corp Et Al | 56,383 | $1.69M | 0.01% | +56,383 | New |
| ADAR1 Capital Management, LLC | 56,200 | $1.69M | 0.17% | +11,200+24.9% | Added |
| Schroder Investment Management Group | 57,639 | $1.67M | 0.00% | +9,133+18.8% | Added |
| Moody Aldrich Partners LLC | 55,615 | $1.67M | 0.32% | −11,304−16.9% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 53,067 | $1.59M | 0.04% | −85,366−61.7% | Reduced |
| Yousif Capital Management, LLC | 52,663 | $1.58M | 0.02% | −10,288−16.3% | Reduced |
| Birchview Capital, LP | 50,000 | $1.50M | 1.13% | 00.0% | Unchanged |
| Royce & Associates LP | 49,769 | $1.49M | 0.01% | +37+0.1% | Added |
| Virtus ETF Advisers LLC | 47,708 | $1.43M | 0.79% | 00.0% | Unchanged |
| Amalgamated Bank | 47,113 | $1.41M | 0.01% | +265+0.6% | Added |
| Diversified Trust Co | 46,805 | $1.40M | 0.03% | +2,573+5.8% | Added |
| Teachers Retirement System of the State of Kentucky | 46,744 | $1.40M | 0.01% | −5,022−9.7% | Reduced |
| Arizona State Retirement System | 46,340 | $1.39M | 0.01% | +639+1.4% | Added |
| STRS Ohio | 46,100 | $1.38M | 0.01% | 00.0% | Unchanged |
| Oliver Luxxe Assets LLC | 45,884 | $1.38M | 0.22% | +1,333+3.0% | Added |
| Police & Firemen's Retirement System of New Jersey | 45,302 | $1.36M | 0.01% | +8,469+23.0% | Added |
| Nicollet Investment Management, Inc. | 44,979 | $1.35M | 0.44% | −1,244−2.7% | Reduced |
| Exchange Traded Concepts, LLC | 44,759 | $1.34M | 0.01% | +18,970+73.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 44,689 | $1.34M | 0.00% | +2,536+6.0% | Added |
| XTX Topco Ltd | 44,628 | $1.34M | 0.07% | +44,628 | New |
| Profund Advisors LLC | 44,557 | $1.34M | 0.04% | +4,688+11.8% | Added |
| HighVista Strategies LLC | 44,081 | $1.32M | 0.32% | −8,863−16.7% | Reduced |
| LPL Financial LLC | 43,845 | $1.32M | 0.00% | +10,182+30.2% | Added |
| Vontobel Holding Ltd. | 43,233 | $1.30M | 0.00% | −3,787−8.1% | Reduced |
| Vestcor Inc | 43,140 | $1.29M | 0.04% | −18,052−29.5% | Reduced |
| Horizon Investments, LLC | 43,002 | $1.29M | 0.02% | +387+0.9% | Added |
| Envestnet Asset Management Inc | 42,861 | $1.29M | 0.00% | −797−1.8% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 42,041 | $1.26M | 0.01% | −296−0.7% | Reduced |
| CI Private Wealth, LLC | 41,363 | $1.24M | 0.00% | −129−0.3% | Reduced |
| Teacher Retirement System of Texas | 38,523 | $1.16M | 0.00% | −3,692−8.7% | Reduced |
| Oregon Public Employees Retirement Fund | 37,160 | $1.11M | 0.01% | −300−0.8% | Reduced |
| Ensign Peak Advisors, Inc | 37,041 | $1.11M | 0.00% | −64,247−63.4% | Reduced |
| ProShare Advisors LLC | 36,497 | $1.09M | 0.00% | −5,925−14.0% | Reduced |
| Hudson Portfolio Management LLC | 36,455 | $1.09M | 0.97% | −1,320−3.5% | Reduced |
| HSBC Holdings PLC | 35,548 | $1.06M | 0.00% | −75,268−67.9% | Reduced |
| Toroso Investments, LLC | 33,949 | $1.02M | 0.00% | −1,181−3.4% | Reduced |
| Danske Bank A/S | 33,471 | $1.00M | 0.00% | −12,850−27.7% | Reduced |
| Captrust Financial Advisors | 30,730 | $921.9K | 0.00% | −1,289−4.0% | Reduced |
| SG Americas Securities, LLC | 30,617 | $919.0K | 0.00% | −30,225−49.7% | Reduced |
| Amundi | 29,410 | $911.4K | 0.00% | +2,390+8.8% | Added |
| Neo Ivy Capital Management | 29,756 | $892.7K | 0.22% | +13,606+84.2% | Added |
| Omers Administration Corp | 29,500 | $885.0K | 0.01% | +29,500 | New |
| China Universal Asset Management Co., Ltd. | 28,936 | $868.1K | 0.07% | −4,184−12.6% | Reduced |
| CenterBook Partners LP | 27,928 | $837.8K | 0.04% | +6,579+30.8% | Added |
| Dana Investment Advisors, Inc. | 27,334 | $820.0K | 0.02% | +4,365+19.0% | Added |
| RSM US Wealth Management LLC | 26,946 | $808.4K | 0.01% | +2,632+10.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 26,817 | $804.5K | 0.00% | −48,522−64.4% | Reduced |
| Lazard Asset Management LLC | 25,723 | $771.7K | 0.00% | +1,970+8.3% | Added |
| AdvisorShares Investments LLC | 25,649 | $769.5K | 0.13% | +8,974+53.8% | Added |
| Campbell & CO Investment Adviser LLC | 24,691 | $740.7K | 0.06% | −31,808−56.3% | Reduced |
| PDT Partners, LLC | 24,198 | $725.9K | 0.05% | −67,412−73.6% | Reduced |
| Maryland State Retirement & Pension System | 23,732 | $712.0K | 0.01% | −24,730−51.0% | Reduced |
| Cetera Investment Advisers | 23,504 | $705.1K | 0.00% | +9,597+69.0% | Added |
| Entropy Technologies, LP | 23,291 | $698.7K | 0.05% | +23,291 | New |
| Horizon Kinetics Asset Management LLC | 23,033 | $691.0K | 0.01% | +967+4.4% | Added |