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, Q2 2026
Institutional positions in Alkermes plc. as of Jun 30, 2026. 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
- 425
- +39 vs. Q1 2026
- Shares held
- 177.9M
- +1.49M (+0.8%) vs. Q1 2026
- Total value
- $9.32B
- +$3.11B (+50.1%) vs. Q1 2026
- New holders
- 90
- 141 more added
- Sold out
- 51
- 137 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Alkermes plc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Asset Management, Ltd | 157,759 | $8.27M | 0.01% | +21,349+15.7% | Added |
| Bessemer Group Inc | 157,097 | $8.23M | 0.01% | −1,300−0.8% | Reduced |
| Alliancebernstein L.P. | 217,917 | $7.71M | 0.00% | −43,018−16.5% | Reduced |
| Balyasny Asset Management LLC | 142,366 | $7.46M | 0.01% | −444,409−75.7% | Reduced |
| SEI Investments Co | 141,362 | $7.41M | 0.01% | −12,455−8.1% | Reduced |
| Cinctive Capital Management LP | 138,603 | $7.26M | 0.29% | +138,603 | New |
| Creative Planning | 135,159 | $7.08M | 0.00% | +60,136+80.2% | Added |
| SummitTX Capital, L.P. | 134,194 | $7.03M | 0.19% | −22,065−14.1% | Reduced |
| New York State Common Retirement Fund | 132,017 | $6.92M | 0.01% | −5,601−4.1% | Reduced |
| Man Group plc | 124,038 | $6.50M | 0.01% | −501,008−80.2% | Reduced |
| Knott David M Jr | 121,759 | $6.38M | 3.37% | +1,759+1.5% | Added |
| Manufacturers Life Insurance Company, The | 120,562 | $6.32M | 0.00% | +49,147+68.8% | Added |
| Bellevue Group AG | 120,243 | $6.30M | 0.13% | +111,373+1,255.6% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 119,004 | $6.24M | 0.01% | −59,451−33.3% | Reduced |
| Voya Investment Management LLC | 118,998 | $6.23M | 0.01% | +25,868+27.8% | Added |
| TD Asset Management Inc | 118,432 | $6.21M | 0.01% | +118,432 | New |
| Squarepoint Ops LLC | 115,195 | $6.04M | 0.01% | −162,424−58.5% | Reduced |
| Silverarc Capital Management, LLC | 113,494 | $5.95M | 0.66% | −346,820−75.3% | Reduced |
| State Board of Administration of Florida Retirement System | 112,663 | $5.90M | 0.01% | −16,773−13.0% | Reduced |
| EAM Investors, LLC | 110,869 | $5.81M | 0.52% | +110,869 | New |
| Thrivent Financial for Lutherans | 109,450 | $5.74M | 0.01% | −762−0.7% | Reduced |
| DAFNA Capital Management LLC | 101,266 | $5.31M | 1.01% | −38,216−27.4% | Reduced |
| Integral Health Asset Management, LLC | 100,000 | $5.24M | 0.21% | +100,000 | New |
| State of Wisconsin Investment Board | 97,631 | $5.12M | 0.01% | −41,702−29.9% | Reduced |
| Neo Ivy Capital Management | 95,741 | $5.02M | 1.16% | +95,741 | New |
| Robeco Institutional Asset Management B.V. | 92,592 | $4.85M | 0.01% | −127,929−58.0% | Reduced |
| Allianz Asset Management GmbH | 91,708 | $4.81M | 0.00% | +11,348+14.1% | Added |
| Carrera Capital Advisors | 90,034 | $4.72M | 0.70% | +90,034 | New |
| Prudential Financial Inc | 87,355 | $4.58M | 0.00% | −44,515−33.8% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 84,556 | $4.43M | 0.01% | −3,061−3.5% | Reduced |
| Vident Advisory, LLC | 84,111 | $4.41M | 0.03% | +210.0% | Added |
| Illinois Municipal Retirement Fund | 83,774 | $4.39M | 0.05% | −7,215−7.9% | Reduced |
| Pathstone Holdings, LLC | 82,327 | $4.31M | 0.01% | +339+0.4% | Added |
| Teachers Retirement System of the State of Kentucky | 77,928 | $4.08M | 0.03% | 00.0% | Unchanged |
| Moore Capital Management, LP | 76,540 | $4.01M | 0.09% | −81,959−51.7% | Reduced |
| Louisiana State Employees Retirement System | 73,000 | $3.82M | 0.06% | −200−0.3% | Reduced |
| Natixis Advisors, L.P. | 70,692 | $3.70M | 0.00% | −4,161−5.6% | Reduced |
| Mutual of America Capital Management LLC | 70,084 | $3.67M | 0.04% | −2,584−3.6% | Reduced |
| Jupiter Topco LLC | 67,273 | $3.52M | 0.00% | +67,273 | New |
| Acadian Asset Management LLC | 67,283 | $3.52M | 0.00% | −160,656−70.5% | Reduced |
| Aquatic Capital Management LLC | 66,877 | $3.50M | 0.12% | +66,877 | New |
| State of Alaska, Department of Revenue | 63,841 | $3.34M | 0.03% | −26,705−29.5% | Reduced |
| Vanguard Global Advisers, LLC | 63,665 | $3.34M | 0.00% | −17,977−22.0% | Reduced |
| State of Tennessee, Treasury Department | 63,383 | $3.32M | 0.01% | −3,553−5.3% | Reduced |
| Rafferty Asset Management, LLC | 62,965 | $3.30M | 0.01% | −99,459−61.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 61,584 | $3.23M | 0.01% | −5,231−7.8% | Reduced |
| Exome Asset Management LLC | 61,336 | $3.21M | 1.98% | −22,767−27.1% | Reduced |
| Royce & Associates LP | 58,072 | $3.04M | 0.02% | +2,389+4.3% | Added |
| Atika Capital Management LLC | 55,571 | $2.91M | 0.29% | +55,571 | New |
| Handelsbanken Fonder AB | 55,000 | $2.88M | 0.01% | 00.0% | Unchanged |
| Diversified Trust Co | 54,538 | $2.86M | 0.05% | −375−0.7% | Reduced |
| Baird Financial Group, Inc. | 53,267 | $2.79M | 0.00% | +53,267 | New |
| Lumbard & Kellner, LLC | 52,592 | $2.76M | 0.84% | −10.0% | Reduced |
| Susquehanna International Group, LLP | 52,448 | $2.75M | 0.00% | −4,347−7.7% | Reduced |
| Envestnet Asset Management Inc | 52,193 | $2.73M | 0.00% | +9,777+23.1% | Added |
| State of New Jersey Common Pension Fund D | 51,069 | $2.68M | 0.01% | −2,540−4.7% | Reduced |
| XTX Topco Ltd | 50,788 | $2.66M | 0.03% | +50,788 | New |
| Birchview Capital, LP | 50,000 | $2.62M | 1.23% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 49,469 | $2.59M | 0.02% | +5,324+12.1% | Added |
| Virtus ETF Advisers LLC | 49,354 | $2.59M | 0.99% | +1,886+4.0% | Added |
| Quantinno Capital Management LP | 49,208 | $2.58M | 0.00% | +4,276+9.5% | Added |
| Canada Pension Plan Investment Board | 48,500 | $2.54M | 0.00% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 47,317 | $2.48M | 0.07% | +47,317 | New |
| Yousif Capital Management, LLC | 45,699 | $2.39M | 0.03% | +44+0.1% | Added |
| Amalgamated Bank | 44,801 | $2.35M | 0.02% | −2,577−5.4% | Reduced |
| Nicollet Investment Management, Inc. | 44,219 | $2.32M | 0.72% | +918+2.1% | Added |
| Arizona State Retirement System | 43,580 | $2.28M | 0.01% | +494+1.1% | Added |
| LPL Financial LLC | 43,053 | $2.26M | 0.00% | +3,606+9.1% | Added |
| Kornitzer Capital Management Inc | 42,920 | $2.25M | 0.05% | +42,920 | New |
| Captrust Financial Advisors | 42,278 | $2.22M | 0.00% | +26,485+167.7% | Added |
| Hussman Strategic Advisors, Inc. | 42,000 | $2.20M | 0.51% | +42,000 | New |
| New York State Teachers Retirement System | 41,900 | $2.19M | 0.00% | −12,468−22.9% | Reduced |
| Colony Group, LLC | 41,596 | $2.18M | 0.00% | −35,456−46.0% | Reduced |
| Intech Investment Management LLC | 40,552 | $2.12M | 0.02% | −20,415−33.5% | Reduced |
| Profund Advisors LLC | 40,027 | $2.10M | 0.06% | −37,742−48.5% | Reduced |
| Vanguard Investments Australia, Ltd. | 39,928 | $2.09M | 0.01% | +1,781+4.7% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 39,525 | $2.07M | 0.01% | −1,308−3.2% | Reduced |
| Dana Investment Advisors, Inc. | 38,992 | $2.04M | 0.05% | −1,376−3.4% | Reduced |
| Militia Capital Management LLC | 38,618 | $2.02M | 0.36% | +6,700+21.0% | Added |
| Oregon Public Employees Retirement Fund | 37,782 | $1.98M | 0.02% | 00.0% | Unchanged |
| AdvisorShares Investments LLC | 36,438 | $1.91M | 0.23% | +10,069+38.2% | Added |
| Simplex Trading, LLC | 36,189 | $1.90M | 0.05% | +23,051+175.5% | Added |
| KLP Kapitalforvaltning AS | 35,800 | $1.88M | 0.01% | −46,300−56.4% | Reduced |
| Cetera Investment Advisers | 35,490 | $1.86M | 0.00% | +20,732+140.5% | Added |
| Capital Fund Management S.A. | 33,281 | $1.74M | 0.01% | −209,762−86.3% | Reduced |
| Virginia Retirement Systems Et Al | 33,083 | $1.73M | 0.01% | −267,300−89.0% | Reduced |
| Guggenheim Capital LLC | 32,738 | $1.72M | 0.01% | +4,089+14.3% | Added |
| O'Shaughnessy Asset Management, LLC | 32,456 | $1.70M | 0.01% | −39,322−54.8% | Reduced |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 32,067 | $1.68M | 0.02% | +2,262+7.6% | Added |
| Cerity Partners LLC | 32,005 | $1.68M | 0.00% | +169+0.5% | Added |
| Blackstone Group Inc. | 31,682 | $1.66M | 0.01% | +31,682 | New |
| ExodusPoint Capital Management, LP | 31,684 | $1.66M | 0.02% | −172,640−84.5% | Reduced |
| Bridgefront Capital, LLC | 31,649 | $1.66M | 0.44% | +24,358+334.1% | Added |
| Vestcor Inc | 30,230 | $1.58M | 0.04% | 00.0% | Unchanged |
| ProShare Advisors LLC | 29,373 | $1.54M | 0.00% | −3,356−10.3% | Reduced |
| HSBC Holdings PLC | 28,196 | $1.48M | 0.00% | −20,141−41.7% | Reduced |
| Royal Bank of Canada | 26,561 | $1.39M | 0.00% | −277,776−91.3% | Reduced |
| China Universal Asset Management Co., Ltd. | 26,527 | $1.39M | 0.08% | −3,046−10.3% | Reduced |
| Massar Capital Management, LP | 26,010 | $1.36M | 0.47% | +26,010 | New |
| Hudson Portfolio Management LLC | 25,930 | $1.36M | 1.03% | −6,305−19.6% | Reduced |