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, 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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 18,608,142 | $524.6M | 0.01% | +69,064+0.4% | Added |
| BlackRock Inc. | 16,621,253 | $468.6M | 0.01% | +197,079+1.2% | Added |
| Sarissa Capital Management LP | 8,964,640 | $252.7M | 32.32% | 00.0% | Unchanged |
| Wellington Management Group LLP | 6,710,335 | $189.2M | 0.04% | +665,957+11.0% | Added |
| Hardman Johnston Global Advisors LLC | 6,013,421 | $169.5M | 5.54% | +451,615+8.1% | Added |
| State Street Corp | 5,787,041 | $163.1M | 0.01% | −672,366−10.4% | Reduced |
| CIBC World Markets Corp | 5,075,360 | $143.1M | 2.35% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 4,938,913 | $139.2M | 0.18% | −705,600−12.5% | Reduced |
| Primecap Management Co | 4,198,290 | $118.3M | 0.10% | −605,040−12.6% | Reduced |
| Westfield Capital Management Co LP | 3,574,468 | $100.8M | 0.71% | +188,998+5.6% | Added |
| Citadel Advisors LLC | 3,484,619 | $98.2M | 0.11% | −2,943,669−45.8% | Reduced |
| Geode Capital Management, LLC | 3,174,034 | $89.5M | 0.01% | +130,271+4.3% | Added |
| Deep Track Capital, LP | 3,000,000 | $84.6M | 3.60% | +3,000,000 | New |
| Polar Capital Holdings Plc | 2,888,016 | $81.4M | 0.60% | +636,574+28.3% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 2,781,917 | $78.4M | 0.37% | +2,781,917 | New |
| Pictet Asset Management SA | 2,772,291 | $78.2M | 0.10% | +2,040,819+279.0% | Added |
| Holocene Advisors, LP | 2,762,149 | $77.9M | 0.39% | +120,573+4.6% | Added |
| Armistice Capital, LLC | 2,724,000 | $76.8M | 1.79% | −176,000−6.1% | Reduced |
| Bank of New York Mellon Corp | 2,656,569 | $74.9M | 0.02% | +158,721+6.4% | Added |
| Millennium Management LLC | 2,518,518 | $71.0M | 0.08% | −909,367−26.5% | Reduced |
| Putnam Investments LLC | 2,424,733 | $68.4M | 0.11% | −419,239−14.7% | Reduced |
| Dimensional Fund Advisors LP | 2,165,922 | $61.1M | 0.02% | +17,712+0.8% | Added |
| Nuveen Asset Management, LLC | 1,998,825 | $56.3M | 0.02% | +152,965+8.3% | Added |
| Charles Schwab Investment Management Inc | 1,948,813 | $54.9M | 0.02% | −22,190−1.1% | Reduced |
| First Trust Advisors LP | 1,920,519 | $54.1M | 0.06% | −88,426−4.4% | Reduced |
| Artisan Partners Limited Partnership | 1,894,058 | $53.4M | 0.09% | −26,209−1.4% | Reduced |
| Northern Trust Corp | 1,633,830 | $46.1M | 0.01% | +18,911+1.2% | Added |
| Price T Rowe Associates Inc | 1,543,351 | $43.5M | 0.01% | −26,962−1.7% | Reduced |
| Norges Bank | 1,511,084 | $42.6M | 0.01% | −186,490−11.0% | Reduced |
| Krensavage Asset Management, LLC | 1,395,797 | $39.3M | 11.95% | −5,986−0.4% | Reduced |
| Goldman Sachs Group Inc | 1,341,268 | $37.8M | 0.01% | −524,639−28.1% | Reduced |
| Two Sigma Advisers, LP | 1,309,600 | $36.9M | 0.10% | −184,100−12.3% | Reduced |
| Jacobs Levy Equity Management, Inc | 1,301,379 | $36.7M | 0.22% | −142,487−9.9% | Reduced |
| Bank of America Corp | 1,202,522 | $33.9M | 0.00% | +499,186+71.0% | Added |
| FMR LLC | 1,067,653 | $30.1M | 0.00% | +399,015+59.7% | Added |
| Segall Bryant & Hamill, LLC | 988,587 | $27.9M | 0.30% | +477,352+93.4% | Added |
| Panagora Asset Management Inc | 820,251 | $23.1M | 0.15% | +26,681+3.4% | Added |
| Eagle Asset Management Inc | 802,279 | $22.6M | 0.13% | +161,434+25.2% | Added |
| California Public Employees Retirement System | 790,700 | $22.3M | 0.02% | +285,424+56.5% | Added |
| Balyasny Asset Management LLC | 786,067 | $22.2M | 0.07% | −976,880−55.4% | Reduced |
| Teacher Retirement System of Texas | 783,618 | $22.1M | 0.15% | −211,889−21.3% | Reduced |
| Hood River Capital Management LLC | 731,630 | $20.6M | 0.67% | +45,688+6.7% | Added |
| Emerald Advisers, LLC | 699,499 | $19.7M | 0.95% | +60,069+9.4% | Added |
| Arrowstreet Capital, Limited Partnership | 677,934 | $19.1M | 0.02% | −574,701−45.9% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 638,797 | $18.0M | 0.10% | −680−0.1% | Reduced |
| Palo Alto Investors LP | 603,400 | $17.0M | 1.41% | 00.0% | Unchanged |
| International Biotechnology Trust PLC | 593,000 | $16.7M | 4.66% | 00.0% | Unchanged |
| Morgan Stanley | 574,571 | $16.2M | 0.00% | −277,262−32.5% | Reduced |
| Emerald Mutual Fund Advisers Trust | 568,314 | $16.0M | 0.95% | +185,807+48.6% | Added |
| Glenmede Trust Co NA | 491,651 | $13.9M | 0.08% | +5,825+1.2% | Added |
| Two Sigma Investments, LP | 473,611 | $13.4M | 0.04% | −426,824−47.4% | Reduced |
| Alliancebernstein L.P. | 449,985 | $12.7M | 0.01% | +254,404+130.1% | Added |
| D. E. Shaw & Co., Inc. | 444,280 | $12.5M | 0.02% | −127,074−22.2% | Reduced |
| Invesco Ltd. | 429,293 | $12.1M | 0.00% | −45,243−9.5% | Reduced |
| Macquarie Group Ltd | 423,142 | $11.9M | 0.01% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 405,355 | $11.4M | 0.02% | 00.0% | Unchanged |
| Price Jennifer C. | 360,600 | $10.2M | 3.24% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 358,996 | $10.1M | 0.09% | +171,519+91.5% | Added |
| Swiss National Bank | 354,700 | $10.0M | 0.01% | −41,900−10.6% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 340,534 | $9.60M | 0.06% | +24,508+7.8% | Added |
| AXA S.A. | 338,956 | $9.56M | 0.03% | +10,457+3.2% | Added |
| Loomis Sayles & Co L P | 330,994 | $9.33M | 0.02% | +330,994 | New |
| JPMorgan Chase & Co | 321,411 | $9.06M | 0.00% | +46,943+17.1% | Added |
| Prosight Management, LP | 316,165 | $8.91M | 4.27% | −25,356−7.4% | Reduced |
| Legal & General Group Plc | 313,979 | $8.85M | 0.00% | +8,506+2.8% | Added |
| Tekla Capital Management LLC | 309,613 | $8.73M | 0.33% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 302,758 | $8.53M | 0.01% | +181,141+148.9% | Added |
| Point72 Asset Management, L.P. | 299,577 | $8.45M | 0.03% | +62,858+26.6% | Added |
| Barclays PLC | 280,393 | $7.90M | 0.01% | −37,393−11.8% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 280,000 | $7.89M | 0.04% | −579,200−67.4% | Reduced |
| 13D Management LLC | 276,084 | $7.78M | 3.95% | −107,500−28.0% | Reduced |
| Rafferty Asset Management, LLC | 255,668 | $7.21M | 0.05% | −72,350−22.1% | Reduced |
| Thrivent Financial for Lutherans | 249,197 | $7.03M | 0.02% | 00.0% | Unchanged |
| Deutsche Bank AG | 242,182 | $6.83M | 0.00% | +24,080+11.0% | Added |
| Capital Fund Management S.A. | 241,048 | $6.80M | 0.13% | −134,708−35.8% | Reduced |
| Voya Investment Management LLC | 234,993 | $6.62M | 0.01% | −122−0.1% | Reduced |
| Sectoral Asset Management Inc | 231,100 | $6.51M | 1.25% | −800−0.3% | Reduced |
| Soleus Capital Management, L.P. | 230,000 | $6.48M | 0.80% | +230,000 | New |
| Rhumbline Advisers | 229,285 | $6.46M | 0.01% | +1,248+0.5% | Added |
| Citigroup Inc | 225,526 | $6.36M | 0.01% | +62,056+38.0% | Added |
| Ameriprise Financial Inc | 221,294 | $6.24M | 0.00% | +12,955+6.2% | Added |
| Credit Suisse AG | 217,372 | $6.13M | 0.01% | +9,452+4.5% | Added |
| UBS Asset Management Americas Inc | 213,376 | $6.02M | 0.00% | +23,851+12.6% | Added |
| California State Teachers Retirement System | 205,013 | $5.78M | 0.01% | −3,107−1.5% | Reduced |
| Brookfield Asset Management Inc. | 203,438 | $5.73M | 0.02% | −446,407−68.7% | Reduced |
| Algert Global LLC | 195,699 | $5.52M | 0.26% | +18,799+10.6% | Added |
| Schonfeld Strategic Advisors LLC | 192,842 | $5.44M | 0.05% | +45,654+31.0% | Added |
| Integral Health Asset Management, LLC | 179,000 | $5.05M | 1.05% | +179,000 | New |
| Hillsdale Investment Management Inc. | 170,700 | $4.81M | 0.41% | +1,300+0.8% | Added |
| BNP Paribas Arbitrage, SA | 164,145 | $4.63M | 0.01% | +4,433+2.8% | Added |
| New York State Common Retirement Fund | 160,307 | $4.52M | 0.01% | −34,499−17.7% | Reduced |
| ExodusPoint Capital Management, LP | 159,456 | $4.50M | 0.05% | +26,652+20.1% | Added |
| S&CO Inc | 153,000 | $4.31M | 0.37% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 151,626 | $4.27M | 0.01% | −13,254−8.0% | Reduced |
| AQR Capital Management LLC | 134,779 | $3.80M | 0.01% | −60,160−30.9% | Reduced |
| Rhenman & Partners Asset Management AB | 135,000 | $3.76M | 0.41% | −15,000−10.0% | Reduced |
| Fisher Asset Management, LLC | 127,926 | $3.61M | 0.00% | −3,502−2.7% | Reduced |
| Agf Management Ltd | 126,793 | $3.57M | 0.02% | −14,621−10.3% | Reduced |
| Federated Hermes, Inc. | 120,796 | $3.41M | 0.01% | +37,101+44.3% | Added |
| Marshall Wace, LLP | 113,404 | $3.20M | 0.01% | 00.0% | Unchanged |