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 2021
Institutional positions in Alkermes plc. as of Jun 30, 2021. 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
- 226
- +27 vs. Q1 2021
- Shares held
- 161.2M
- +3.33M (+2.1%) vs. Q1 2021
- Total value
- $3.95B
- +$1.01B (+34.1%) vs. Q1 2021
- New holders
- 58
- 69 more added
- Sold out
- 31
- 67 more reduced
1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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 2021
Shares, value and share of portfolio for each institution holding Alkermes plc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Price T Rowe Associates Inc | 22,844,954 | $560.2M | 0.05% | −909,684−3.8% | Reduced |
| Vanguard Group Inc | 16,600,489 | $407.0M | 0.01% | +731,077+4.6% | Added |
| Wellington Management Group LLP | 14,231,637 | $349.0M | 0.06% | −6,295,792−30.7% | Reduced |
| BlackRock Inc. | 13,036,546 | $319.7M | 0.01% | +3,654,863+39.0% | Added |
| Sarissa Capital Management LP | 11,870,000 | $291.1M | 23.14% | +3,920,000+49.3% | Added |
| Primecap Management Co | 6,558,420 | $160.8M | 0.11% | −112,070−1.7% | Reduced |
| Renaissance Technologies LLC | 5,278,613 | $129.4M | 0.16% | −786,900−13.0% | Reduced |
| State Street Corp | 4,954,336 | $121.5M | 0.01% | +459,735+10.2% | Added |
| Camber Capital Management LP | 4,300,000 | $105.4M | 4.14% | −1,300,000−23.2% | Reduced |
| Armistice Capital, LLC | 3,900,000 | $95.6M | 2.54% | +376,000+10.7% | Added |
| First Trust Advisors LP | 3,151,289 | $77.3M | 0.08% | −115,128−3.5% | Reduced |
| Geode Capital Management, LLC | 3,057,939 | $75.0M | 0.01% | +815,113+36.3% | Added |
| Artisan Partners Limited Partnership | 2,913,256 | $71.4M | 0.09% | −78,020−2.6% | Reduced |
| Bank of New York Mellon Corp | 2,692,006 | $66.0M | 0.01% | +558,943+26.2% | Added |
| Holocene Advisors, LP | 2,206,997 | $54.1M | 0.33% | +2,206,997 | New |
| Nuveen Asset Management, LLC | 2,171,541 | $53.2M | 0.02% | +203,116+10.3% | Added |
| Goldman Sachs Group Inc | 1,877,230 | $46.0M | 0.01% | +995,070+112.8% | Added |
| Northern Trust Corp | 1,783,349 | $43.7M | 0.01% | +1,026,700+135.7% | Added |
| Dimensional Fund Advisors LP | 1,782,082 | $43.7M | 0.01% | +485,629+37.5% | Added |
| Norges Bank | 1,756,435 | $43.1M | 0.01% | +84,550+5.1% | Added |
| Jacobs Levy Equity Management, Inc | 1,714,117 | $42.0M | 0.28% | +300,918+21.3% | Added |
| Krensavage Asset Management, LLC | 1,688,841 | $41.4M | 14.06% | +61,518+3.8% | Added |
| Charles Schwab Investment Management Inc | 1,593,215 | $39.1M | 0.01% | +375,454+30.8% | Added |
| Arrowstreet Capital, Limited Partnership | 1,542,778 | $37.8M | 0.05% | +343,111+28.6% | Added |
| Baker Bros. Advisors LP | 1,228,170 | $30.1M | 0.13% | 00.0% | Unchanged |
| Wells Fargo & Company | 1,073,202 | $26.3M | 0.01% | +531,450+98.1% | Added |
| Clearbridge Investments, LLC | 1,057,389 | $25.9M | 0.02% | −108,494−9.3% | Reduced |
| Woodline Partners LP | 997,950 | $24.5M | 0.46% | +126,390+14.5% | Added |
| Morgan Stanley | 866,050 | $21.2M | 0.00% | +325,610+60.2% | Added |
| Invesco Ltd. | 772,481 | $18.9M | 0.00% | +3,927+0.5% | Added |
| Canada Pension Plan Investment Board | 763,200 | $18.7M | 0.02% | +763,200 | New |
| Millennium Management LLC | 757,567 | $18.6M | 0.02% | −49,141−6.1% | Reduced |
| Credit Suisse AG | 634,146 | $15.5M | 0.01% | −935,368−59.6% | Reduced |
| Hardman Johnston Global Advisors LLC | 605,180 | $14.8M | 0.36% | −34,070−5.3% | Reduced |
| TD Asset Management Inc | 566,389 | $14.7M | 0.01% | +2,200+0.4% | Added |
| Putnam Investments LLC | 591,466 | $14.5M | 0.02% | +409,878+225.7% | Added |
| Two Sigma Advisers, LP | 564,000 | $13.8M | 0.04% | +408,000+261.5% | Added |
| UBS Asset Management Americas Inc | 540,590 | $13.3M | 0.01% | −367,983−40.5% | Reduced |
| Two Sigma Investments, LP | 512,545 | $12.6M | 0.03% | +512,545 | New |
| Price Michael F | 500,000 | $12.3M | 1.35% | +195,000+63.9% | Added |
| Pictet Asset Management Ltd | 494,304 | $12.1M | 0.01% | −2,453−0.5% | Reduced |
| Palo Alto Investors LP | 487,100 | $11.9M | 0.66% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 472,677 | $11.6M | 0.06% | +466,285+7,294.8% | Added |
| 13D Management LLC | 449,600 | $11.0M | 3.79% | +449,600 | New |
| Eagle Asset Management Inc | 438,349 | $10.7M | 0.05% | −26,677−5.7% | Reduced |
| Seizert Capital Partners, LLC | 435,031 | $10.7M | 0.51% | −28,569−6.2% | Reduced |
| Macquarie Group Ltd | 427,427 | $10.5M | 0.01% | −1,341−0.3% | Reduced |
| Russell Investments Group, Ltd. | 405,311 | $9.94M | 0.02% | −339,172−45.6% | Reduced |
| Segall Bryant & Hamill, LLC | 402,349 | $9.87M | 0.10% | −444−0.1% | Reduced |
| Caption Management, LLC | 401,253 | $9.84M | 0.88% | −63,747−13.7% | Reduced |
| Bank of Montreal | 396,280 | $9.64M | 0.01% | +70,904+21.8% | Added |
| Swiss National Bank | 351,000 | $8.61M | 0.01% | −12,700−3.5% | Reduced |
| Rhenman & Partners Asset Management AB | 309,354 | $7.58M | 0.51% | +100,000+47.8% | Added |
| Asymmetry Capital Management, L.P. | 305,245 | $7.49M | 5.15% | +305,245 | New |
| Acadian Asset Management LLC | 295,151 | $7.24M | 0.03% | −129,786−30.5% | Reduced |
| UBS Group AG | 282,206 | $6.92M | 0.00% | −1,514,727−84.3% | Reduced |
| Jefferies Group LLC | 270,100 | $6.62M | 0.12% | +270,100 | New |
| Bank of America Corp | 268,052 | $6.57M | 0.00% | −49,569−15.6% | Reduced |
| Principal Financial Group Inc | 266,981 | $6.55M | 0.00% | +6,633+2.5% | Added |
| Citadel Advisors LLC | 262,920 | $6.45M | 0.01% | −48,822−15.7% | Reduced |
| Squarepoint Ops LLC | 261,050 | $6.40M | 0.05% | +79,326+43.7% | Added |
| Legal & General Group Plc | 259,561 | $6.37M | 0.00% | +19,100+7.9% | Added |
| PDT Partners, LLC | 235,600 | $5.78M | 0.38% | +46,740+24.7% | Added |
| California State Teachers Retirement System | 221,230 | $5.42M | 0.01% | −52,972−19.3% | Reduced |
| Cubist Systematic Strategies, LLC | 218,682 | $5.36M | 0.06% | +26,995+14.1% | Added |
| Alps Advisors Inc | 210,437 | $5.16M | 0.05% | −77,501−26.9% | Reduced |
| Deutsche Bank AG | 209,944 | $5.15M | 0.00% | +194,019+1,218.3% | Added |
| Prudential Financial Inc | 209,325 | $5.13M | 0.01% | +209,325 | New |
| State of Wisconsin Investment Board | 208,100 | $5.10M | 0.01% | +187,983+934.4% | Added |
| Citigroup Inc | 206,562 | $5.07M | 0.00% | −2,304,100−91.8% | Reduced |
| Alliancebernstein L.P. | 198,581 | $4.87M | 0.00% | +125,155+170.5% | Added |
| Platinum Investment Management Ltd | 182,086 | $4.46M | 0.10% | +19,370+11.9% | Added |
| D. E. Shaw & Co., Inc. | 176,537 | $4.33M | 0.00% | +110,626+167.8% | Added |
| Susquehanna International Group, LLP | 174,216 | $4.27M | 0.00% | −132,866−43.3% | Reduced |
| Jupiter Asset Management Ltd | 172,774 | $4.24M | 0.04% | +172,774 | New |
| New York State Common Retirement Fund | 164,400 | $4.03M | 0.00% | −13,200−7.4% | Reduced |
| Rhumbline Advisers | 162,638 | $3.99M | 0.01% | −1,133−0.7% | Reduced |
| Parametric Portfolio Associates LLC | 160,167 | $3.93M | 0.00% | −1,461−0.9% | Reduced |
| S&CO Inc | 153,000 | $3.75M | 0.29% | +800+0.5% | Added |
| Healthcare Value Capital, LLC | 150,000 | $3.68M | 7.95% | +50,000+50.0% | Added |
| Integral Health Asset Management, LLC | 150,000 | $3.68M | 1.01% | +150,000 | New |
| AQR Capital Management LLC | 139,623 | $3.42M | 0.01% | +56,282+67.5% | Added |
| JPMorgan Chase & Co | 132,652 | $3.25M | 0.00% | +59,549+81.5% | Added |
| Tudor Investment Corp Et Al | 129,122 | $3.17M | 0.06% | −43,713−25.3% | Reduced |
| State Board of Administration of Florida Retirement System | 122,539 | $3.00M | 0.01% | −72,196−37.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 118,902 | $2.92M | 0.03% | +118,902 | New |
| Virginia Retirement Systems Et Al | 118,100 | $2.90M | 0.03% | −21,700−15.5% | Reduced |
| State of New Jersey Common Pension Fund D | 113,634 | $2.79M | 0.01% | +3,303+3.0% | Added |
| Rafferty Asset Management, LLC | 104,215 | $2.56M | 0.02% | −67,349−39.3% | Reduced |
| Ameriprise Financial Inc | 101,914 | $2.50M | 0.00% | +1,564+1.6% | Added |
| Amundi | 97,768 | $2.40M | 0.00% | +97,768 | New |
| Manufacturers Life Insurance Company, The | 90,057 | $2.21M | 0.00% | +90,057 | New |
| American International Group, Inc. | 89,889 | $2.20M | 0.01% | +88,001+4,661.1% | Added |
| Fisher Asset Management, LLC | 88,803 | $2.18M | 0.00% | +5,103+6.1% | Added |
| SEI Investments Co | 88,097 | $2.16M | 0.00% | −24,602−21.8% | Reduced |
| AXA S.A. | 86,300 | $2.12M | 0.01% | 00.0% | Unchanged |
| Seven Eight Capital, LP | 80,291 | $1.97M | 0.28% | +62,603+353.9% | Added |
| Point72 Asset Management, L.P. | 78,700 | $1.93M | 0.01% | −1,062,700−93.1% | Reduced |
| SG Americas Securities, LLC | 77,010 | $1.89M | 0.01% | +57,744+299.7% | Added |
| ProShare Advisors LLC | 76,247 | $1.87M | 0.01% | +51,220+204.7% | Added |