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 2023
Institutional positions in Alkermes plc. as of Mar 31, 2023. 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
- 269
- −6 vs. Q4 2022
- Shares held
- 161.7M
- −345.2K (−0.2%) vs. Q4 2022
- Total value
- $4.56B
- +$324.0M (+7.7%) vs. Q4 2022
- New holders
- 35
- 90 more added
- Sold out
- 41
- 91 more reduced
4 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Alkermes plc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Barclays PLC | 280,393 | $7.90M | 0.01% | −37,393−11.8% | Reduced |
| Point72 Asset Management, L.P. | 299,577 | $8.45M | 0.03% | +62,858+26.6% | Added |
| Susquehanna International Group, LLP | 302,758 | $8.53M | 0.01% | +181,141+148.9% | Added |
| Tekla Capital Management LLC | 309,613 | $8.73M | 0.33% | 00.0% | Unchanged |
| Legal & General Group Plc | 313,979 | $8.85M | 0.00% | +8,506+2.8% | Added |
| Prosight Management, LP | 316,165 | $8.91M | 4.27% | −25,356−7.4% | Reduced |
| JPMorgan Chase & Co | 321,411 | $9.06M | 0.00% | +46,943+17.1% | Added |
| Loomis Sayles & Co L P | 330,994 | $9.33M | 0.02% | +330,994 | New |
| AXA S.A. | 338,956 | $9.56M | 0.03% | +10,457+3.2% | Added |
| Fuller & Thaler Asset Management, Inc. | 340,534 | $9.60M | 0.06% | +24,508+7.8% | Added |
| Swiss National Bank | 354,700 | $10.0M | 0.01% | −41,900−10.6% | Reduced |
| Cubist Systematic Strategies, LLC | 358,996 | $10.1M | 0.09% | +171,519+91.5% | Added |
| Price Jennifer C. | 360,600 | $10.2M | 3.24% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 405,355 | $11.4M | 0.02% | 00.0% | Unchanged |
| Macquarie Group Ltd | 423,142 | $11.9M | 0.01% | 00.0% | Unchanged |
| Invesco Ltd. | 429,293 | $12.1M | 0.00% | −45,243−9.5% | Reduced |
| D. E. Shaw & Co., Inc. | 444,280 | $12.5M | 0.02% | −127,074−22.2% | Reduced |
| Alliancebernstein L.P. | 449,985 | $12.7M | 0.01% | +254,404+130.1% | Added |
| Two Sigma Investments, LP | 473,611 | $13.4M | 0.04% | −426,824−47.4% | Reduced |
| Glenmede Trust Co NA | 491,651 | $13.9M | 0.08% | +5,825+1.2% | Added |
| Emerald Mutual Fund Advisers Trust | 568,314 | $16.0M | 0.95% | +185,807+48.6% | Added |
| Morgan Stanley | 574,571 | $16.2M | 0.00% | −277,262−32.5% | Reduced |
| International Biotechnology Trust PLC | 593,000 | $16.7M | 4.66% | 00.0% | Unchanged |
| Palo Alto Investors LP | 603,400 | $17.0M | 1.41% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 638,797 | $18.0M | 0.10% | −680−0.1% | Reduced |
| Arrowstreet Capital, Limited Partnership | 677,934 | $19.1M | 0.02% | −574,701−45.9% | Reduced |
| Emerald Advisers, LLC | 699,499 | $19.7M | 0.95% | +60,069+9.4% | Added |
| Hood River Capital Management LLC | 731,630 | $20.6M | 0.67% | +45,688+6.7% | Added |
| Teacher Retirement System of Texas | 783,618 | $22.1M | 0.15% | −211,889−21.3% | Reduced |
| Balyasny Asset Management LLC | 786,067 | $22.2M | 0.07% | −976,880−55.4% | Reduced |
| California Public Employees Retirement System | 790,700 | $22.3M | 0.02% | +285,424+56.5% | Added |
| Eagle Asset Management Inc | 802,279 | $22.6M | 0.13% | +161,434+25.2% | Added |
| Panagora Asset Management Inc | 820,251 | $23.1M | 0.15% | +26,681+3.4% | Added |
| Segall Bryant & Hamill, LLC | 988,587 | $27.9M | 0.30% | +477,352+93.4% | Added |
| FMR LLC | 1,067,653 | $30.1M | 0.00% | +399,015+59.7% | Added |
| Bank of America Corp | 1,202,522 | $33.9M | 0.00% | +499,186+71.0% | Added |
| Jacobs Levy Equity Management, Inc | 1,301,379 | $36.7M | 0.22% | −142,487−9.9% | Reduced |
| Two Sigma Advisers, LP | 1,309,600 | $36.9M | 0.10% | −184,100−12.3% | Reduced |
| Goldman Sachs Group Inc | 1,341,268 | $37.8M | 0.01% | −524,639−28.1% | Reduced |
| Krensavage Asset Management, LLC | 1,395,797 | $39.3M | 11.95% | −5,986−0.4% | Reduced |
| Norges Bank | 1,511,084 | $42.6M | 0.01% | −186,490−11.0% | Reduced |
| Price T Rowe Associates Inc | 1,543,351 | $43.5M | 0.01% | −26,962−1.7% | Reduced |
| Northern Trust Corp | 1,633,830 | $46.1M | 0.01% | +18,911+1.2% | Added |
| Artisan Partners Limited Partnership | 1,894,058 | $53.4M | 0.09% | −26,209−1.4% | Reduced |
| First Trust Advisors LP | 1,920,519 | $54.1M | 0.06% | −88,426−4.4% | Reduced |
| Charles Schwab Investment Management Inc | 1,948,813 | $54.9M | 0.02% | −22,190−1.1% | Reduced |
| Nuveen Asset Management, LLC | 1,998,825 | $56.3M | 0.02% | +152,965+8.3% | Added |
| Dimensional Fund Advisors LP | 2,165,922 | $61.1M | 0.02% | +17,712+0.8% | Added |
| Putnam Investments LLC | 2,424,733 | $68.4M | 0.11% | −419,239−14.7% | Reduced |
| Millennium Management LLC | 2,518,518 | $71.0M | 0.08% | −909,367−26.5% | Reduced |
| Bank of New York Mellon Corp | 2,656,569 | $74.9M | 0.02% | +158,721+6.4% | Added |
| Armistice Capital, LLC | 2,724,000 | $76.8M | 1.79% | −176,000−6.1% | Reduced |
| Holocene Advisors, LP | 2,762,149 | $77.9M | 0.39% | +120,573+4.6% | Added |
| Pictet Asset Management SA | 2,772,291 | $78.2M | 0.10% | +2,040,819+279.0% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 2,781,917 | $78.4M | 0.37% | +2,781,917 | New |
| Polar Capital Holdings Plc | 2,888,016 | $81.4M | 0.60% | +636,574+28.3% | Added |
| Deep Track Capital, LP | 3,000,000 | $84.6M | 3.60% | +3,000,000 | New |
| Geode Capital Management, LLC | 3,174,034 | $89.5M | 0.01% | +130,271+4.3% | Added |
| Citadel Advisors LLC | 3,484,619 | $98.2M | 0.11% | −2,943,669−45.8% | Reduced |
| Westfield Capital Management Co LP | 3,574,468 | $100.8M | 0.71% | +188,998+5.6% | Added |
| Primecap Management Co | 4,198,290 | $118.3M | 0.10% | −605,040−12.6% | Reduced |
| Renaissance Technologies LLC | 4,938,913 | $139.2M | 0.18% | −705,600−12.5% | Reduced |
| CIBC World Markets Corp | 5,075,360 | $143.1M | 2.35% | 00.0% | Unchanged |
| State Street Corp | 5,787,041 | $163.1M | 0.01% | −672,366−10.4% | Reduced |
| Hardman Johnston Global Advisors LLC | 6,013,421 | $169.5M | 5.54% | +451,615+8.1% | Added |
| Wellington Management Group LLP | 6,710,335 | $189.2M | 0.04% | +665,957+11.0% | Added |
| Sarissa Capital Management LP | 8,964,640 | $252.7M | 32.32% | 00.0% | Unchanged |
| BlackRock Inc. | 16,621,253 | $468.6M | 0.01% | +197,079+1.2% | Added |
| Vanguard Group Inc | 18,608,142 | $524.6M | 0.01% | +69,064+0.4% | Added |
| Jupiter Asset Management Ltd | 0 | $0 | 0.00% | −771,301−100.0% | Sold out |
| Virginia Retirement Systems Et Al | 0 | $0 | 0.00% | −580,200−100.0% | Sold out |
| Seizert Capital Partners, LLC | 0 | $0 | 0.00% | −267,776−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −167,096−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −143,106−100.0% | Sold out |
| Ally Bridge Group (NY) LLC | 0 | $0 | 0.00% | −142,002−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −136,149−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −126,971−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −111,689−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −73,615−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −73,096−100.0% | Sold out |
| Pura Vida Investments, LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Great Point Partners LLC | 0 | $0 | 0.00% | −46,185−100.0% | Sold out |
| Duality Advisers, LP | 0 | $0 | 0.00% | −43,393−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −30,800−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −30,680−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −28,619−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −21,933−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −21,481−100.0% | Sold out |
| Sumitomo Mitsui Trust Holdings, Inc. | 0 | $0 | 0.00% | −16,075−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −14,806−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −14,376−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −11,663−100.0% | Sold out |
| Quantamental Technologies LLC | 0 | $0 | 0.00% | −10,851−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −8,087−100.0% | Sold out |
| First Republic Investment Management, Inc. | 0 | $0 | 0.00% | −7,912−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −7,862−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −4,413−100.0% | Sold out |
| Vestcor Inc | 0 | $0 | 0.00% | −4,185−100.0% | Sold out |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −3,855−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −3,238−100.0% | Sold out |