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 |
|---|---|---|---|---|---|
| Ameritas Investment Partners, Inc. | 15,222 | $797.6K | 0.02% | +2,051+15.6% | Added |
| Bank of Montreal | 15,778 | $826.7K | 0.00% | +1,022+6.9% | Added |
| Vestmark Advisory Solutions, Inc. | 15,829 | $829.4K | 0.01% | +15,829 | New |
| Xponance, Inc. | 16,250 | $851.4K | 0.01% | +880+5.7% | Added |
| Todd Asset Management LLC | 16,818 | $881.2K | 0.02% | 00.0% | Unchanged |
| Round Rock Advisors, LLC | 17,942 | $940.1K | 0.12% | 00.0% | Unchanged |
| AXS Investments LLC | 18,200 | $953.6K | 0.27% | −650−3.4% | Reduced |
| Teacher Retirement System of Texas | 18,447 | $966.5K | 0.00% | −1,817−9.0% | Reduced |
| Public Employees Retirement Association of Colorado | 18,563 | $973.0K | 0.00% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 19,123 | $1.00M | 0.00% | +19,123 | New |
| JustInvest LLC | 19,841 | $1.04M | 0.01% | +3,428+20.9% | Added |
| STRS Ohio | 20,100 | $1.05M | 0.00% | −26,800−57.1% | Reduced |
| Horizon Kinetics Asset Management LLC | 20,132 | $1.05M | 0.01% | −967−4.6% | Reduced |
| DnB Asset Management AS | 20,328 | $1.07M | 0.00% | −10,197−33.4% | Reduced |
| IMC-Chicago, LLC | 20,383 | $1.07M | 0.01% | +13,504+196.3% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 20,588 | $1.08M | 0.00% | +19,704+2,229.0% | Added |
| Bryn Mawr Trust Co | 20,783 | $1.09M | 0.02% | 00.0% | Unchanged |
| Evolve Private Wealth, LLC | 21,237 | $1.11M | 0.07% | +836+4.1% | Added |
| Vontobel Holding Ltd. | 22,074 | $1.16M | 0.00% | −10,027−31.2% | Reduced |
| Seven Fleet Capital Management LP | 23,285 | $1.22M | 0.20% | −885−3.7% | Reduced |
| Maryland State Retirement & Pension System | 24,242 | $1.27M | 0.02% | +81+0.3% | Added |
| Allspring Global Investments Holdings, LLC | 25,494 | $1.32M | 0.00% | +884+3.6% | Added |
| Ritholtz Wealth Management | 25,487 | $1.34M | 0.02% | −20,357−44.4% | Reduced |
| RSM US Wealth Management LLC | 25,815 | $1.35M | 0.01% | +556+2.2% | Added |
| Tudor Investment Corp Et Al | 25,889 | $1.36M | 0.01% | +25,889 | New |
| Hudson Portfolio Management LLC | 25,930 | $1.36M | 1.03% | −6,305−19.6% | Reduced |
| Massar Capital Management, LP | 26,010 | $1.36M | 0.47% | +26,010 | New |
| China Universal Asset Management Co., Ltd. | 26,527 | $1.39M | 0.08% | −3,046−10.3% | Reduced |
| Royal Bank of Canada | 26,561 | $1.39M | 0.00% | −277,776−91.3% | Reduced |
| HSBC Holdings PLC | 28,196 | $1.48M | 0.00% | −20,141−41.7% | Reduced |
| ProShare Advisors LLC | 29,373 | $1.54M | 0.00% | −3,356−10.3% | Reduced |
| Vestcor Inc | 30,230 | $1.58M | 0.04% | 00.0% | Unchanged |
| Bridgefront Capital, LLC | 31,649 | $1.66M | 0.44% | +24,358+334.1% | Added |
| ExodusPoint Capital Management, LP | 31,684 | $1.66M | 0.02% | −172,640−84.5% | Reduced |
| Blackstone Group Inc. | 31,682 | $1.66M | 0.01% | +31,682 | New |
| Cerity Partners LLC | 32,005 | $1.68M | 0.00% | +169+0.5% | Added |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 32,067 | $1.68M | 0.02% | +2,262+7.6% | Added |
| O'Shaughnessy Asset Management, LLC | 32,456 | $1.70M | 0.01% | −39,322−54.8% | Reduced |
| Guggenheim Capital LLC | 32,738 | $1.72M | 0.01% | +4,089+14.3% | Added |
| Virginia Retirement Systems Et Al | 33,083 | $1.73M | 0.01% | −267,300−89.0% | Reduced |
| Capital Fund Management S.A. | 33,281 | $1.74M | 0.01% | −209,762−86.3% | Reduced |
| Cetera Investment Advisers | 35,490 | $1.86M | 0.00% | +20,732+140.5% | Added |
| KLP Kapitalforvaltning AS | 35,800 | $1.88M | 0.01% | −46,300−56.4% | Reduced |
| Simplex Trading, LLC | 36,189 | $1.90M | 0.05% | +23,051+175.5% | Added |
| AdvisorShares Investments LLC | 36,438 | $1.91M | 0.23% | +10,069+38.2% | Added |
| Oregon Public Employees Retirement Fund | 37,782 | $1.98M | 0.02% | 00.0% | Unchanged |
| Militia Capital Management LLC | 38,618 | $2.02M | 0.36% | +6,700+21.0% | Added |
| Dana Investment Advisors, Inc. | 38,992 | $2.04M | 0.05% | −1,376−3.4% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 39,525 | $2.07M | 0.01% | −1,308−3.2% | Reduced |
| Vanguard Investments Australia, Ltd. | 39,928 | $2.09M | 0.01% | +1,781+4.7% | Added |
| Profund Advisors LLC | 40,027 | $2.10M | 0.06% | −37,742−48.5% | Reduced |
| Intech Investment Management LLC | 40,552 | $2.12M | 0.02% | −20,415−33.5% | Reduced |
| Colony Group, LLC | 41,596 | $2.18M | 0.00% | −35,456−46.0% | Reduced |
| New York State Teachers Retirement System | 41,900 | $2.19M | 0.00% | −12,468−22.9% | Reduced |
| Hussman Strategic Advisors, Inc. | 42,000 | $2.20M | 0.51% | +42,000 | New |
| Captrust Financial Advisors | 42,278 | $2.22M | 0.00% | +26,485+167.7% | Added |
| Kornitzer Capital Management Inc | 42,920 | $2.25M | 0.05% | +42,920 | New |
| LPL Financial LLC | 43,053 | $2.26M | 0.00% | +3,606+9.1% | Added |
| Arizona State Retirement System | 43,580 | $2.28M | 0.01% | +494+1.1% | Added |
| Nicollet Investment Management, Inc. | 44,219 | $2.32M | 0.72% | +918+2.1% | Added |
| Amalgamated Bank | 44,801 | $2.35M | 0.02% | −2,577−5.4% | Reduced |
| Yousif Capital Management, LLC | 45,699 | $2.39M | 0.03% | +44+0.1% | Added |
| Hennion & Walsh Asset Management, Inc. | 47,317 | $2.48M | 0.07% | +47,317 | New |
| Canada Pension Plan Investment Board | 48,500 | $2.54M | 0.00% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 49,208 | $2.58M | 0.00% | +4,276+9.5% | Added |
| Virtus ETF Advisers LLC | 49,354 | $2.59M | 0.99% | +1,886+4.0% | Added |
| Police & Firemen's Retirement System of New Jersey | 49,469 | $2.59M | 0.02% | +5,324+12.1% | Added |
| Birchview Capital, LP | 50,000 | $2.62M | 1.23% | 00.0% | Unchanged |
| XTX Topco Ltd | 50,788 | $2.66M | 0.03% | +50,788 | New |
| State of New Jersey Common Pension Fund D | 51,069 | $2.68M | 0.01% | −2,540−4.7% | Reduced |
| Envestnet Asset Management Inc | 52,193 | $2.73M | 0.00% | +9,777+23.1% | Added |
| Susquehanna International Group, LLP | 52,448 | $2.75M | 0.00% | −4,347−7.7% | Reduced |
| Lumbard & Kellner, LLC | 52,592 | $2.76M | 0.84% | −10.0% | Reduced |
| Baird Financial Group, Inc. | 53,267 | $2.79M | 0.00% | +53,267 | New |
| Diversified Trust Co | 54,538 | $2.86M | 0.05% | −375−0.7% | Reduced |
| Handelsbanken Fonder AB | 55,000 | $2.88M | 0.01% | 00.0% | Unchanged |
| Atika Capital Management LLC | 55,571 | $2.91M | 0.29% | +55,571 | New |
| Royce & Associates LP | 58,072 | $3.04M | 0.02% | +2,389+4.3% | Added |
| Exome Asset Management LLC | 61,336 | $3.21M | 1.98% | −22,767−27.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 61,584 | $3.23M | 0.01% | −5,231−7.8% | Reduced |
| Rafferty Asset Management, LLC | 62,965 | $3.30M | 0.01% | −99,459−61.2% | Reduced |
| State of Tennessee, Treasury Department | 63,383 | $3.32M | 0.01% | −3,553−5.3% | Reduced |
| Vanguard Global Advisers, LLC | 63,665 | $3.34M | 0.00% | −17,977−22.0% | Reduced |
| State of Alaska, Department of Revenue | 63,841 | $3.34M | 0.03% | −26,705−29.5% | Reduced |
| Aquatic Capital Management LLC | 66,877 | $3.50M | 0.12% | +66,877 | New |
| Acadian Asset Management LLC | 67,283 | $3.52M | 0.00% | −160,656−70.5% | Reduced |
| Jupiter Topco LLC | 67,273 | $3.52M | 0.00% | +67,273 | New |
| Mutual of America Capital Management LLC | 70,084 | $3.67M | 0.04% | −2,584−3.6% | Reduced |
| Natixis Advisors, L.P. | 70,692 | $3.70M | 0.00% | −4,161−5.6% | Reduced |
| Louisiana State Employees Retirement System | 73,000 | $3.82M | 0.06% | −200−0.3% | Reduced |
| Moore Capital Management, LP | 76,540 | $4.01M | 0.09% | −81,959−51.7% | Reduced |
| Teachers Retirement System of the State of Kentucky | 77,928 | $4.08M | 0.03% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 82,327 | $4.31M | 0.01% | +339+0.4% | Added |
| Illinois Municipal Retirement Fund | 83,774 | $4.39M | 0.05% | −7,215−7.9% | Reduced |
| Vident Advisory, LLC | 84,111 | $4.41M | 0.03% | +210.0% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 84,556 | $4.43M | 0.01% | −3,061−3.5% | Reduced |
| Prudential Financial Inc | 87,355 | $4.58M | 0.00% | −44,515−33.8% | Reduced |
| Carrera Capital Advisors | 90,034 | $4.72M | 0.70% | +90,034 | New |
| Allianz Asset Management GmbH | 91,708 | $4.81M | 0.00% | +11,348+14.1% | Added |
| Robeco Institutional Asset Management B.V. | 92,592 | $4.85M | 0.01% | −127,929−58.0% | Reduced |