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, Q2 2025
Institutional positions in Alkermes plc. as of Jun 30, 2025. 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
- 353
- −13 vs. Q1 2025
- Shares held
- 169.2M
- −2.54M (−1.5%) vs. Q1 2025
- Total value
- $4.84B
- −$829.6M (−14.6%) vs. Q1 2025
- New holders
- 42
- 154 more added
- Sold out
- 55
- 120 more reduced
5 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding Alkermes plc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Glenmede Investment Management, LP | 483,363 | $13.8M | 0.07% | +483,363 | New |
| EcoR1 Capital, LLC | 500,000 | $14.3M | 0.85% | +500,000 | New |
| Voya Investment Management LLC | 503,585 | $14.4M | 0.01% | +26,402+5.5% | Added |
| Legal & General Group Plc | 535,342 | $15.3M | 0.00% | −17,227−3.1% | Reduced |
| MPM Oncology Impact Management LP | 549,262 | $15.7M | 2.72% | +211,659+62.7% | Added |
| Woodline Partners LP | 558,465 | $16.0M | 0.08% | −185,535−24.9% | Reduced |
| Segall Bryant & Hamill, LLC | 593,938 | $17.0M | 0.24% | +65,117+12.3% | Added |
| Invesco Ltd. | 613,023 | $17.5M | 0.00% | −122,473−16.7% | Reduced |
| Public Sector Pension Investment Board | 636,913 | $18.2M | 0.08% | +51,651+8.8% | Added |
| MetLife Investment Management | 656,648 | $18.8M | 0.11% | +89,027+15.7% | Added |
| UBS Asset Management Americas Inc | 671,429 | $19.2M | 0.00% | +189,097+39.2% | Added |
| Acadian Asset Management LLC | 687,252 | $19.6M | 0.04% | −194,575−22.1% | Reduced |
| Farallon Capital Management, L.L.C. | 691,663 | $19.8M | 0.09% | −698,137−50.2% | Reduced |
| Barclays PLC | 694,122 | $19.9M | 0.01% | +274,171+65.3% | Added |
| Ameriprise Financial Inc | 706,007 | $20.2M | 0.00% | +175,235+33.0% | Added |
| D. E. Shaw & Co., Inc. | 820,096 | $23.5M | 0.02% | +351,615+75.1% | Added |
| Driehaus Capital Management LLC | 826,811 | $23.7M | 0.19% | +33,980+4.3% | Added |
| Panagora Asset Management Inc | 877,174 | $25.1M | 0.11% | +17,192+2.0% | Added |
| Pacer Advisors, Inc. | 906,957 | $25.9M | 0.07% | +16,813+1.9% | Added |
| Principal Financial Group Inc | 914,795 | $26.2M | 0.01% | −14,070−1.5% | Reduced |
| Affinity Asset Advisors, LLC | 1,000,000 | $28.6M | 4.23% | 00.0% | Unchanged |
| Frazier Life Sciences Management, L.P. | 1,000,647 | $28.6M | 1.14% | +399,518+66.5% | Added |
| BNP Paribas Arbitrage, SA | 1,135,478 | $32.5M | 0.03% | +1,007,488+787.2% | Added |
| FMR LLC | 1,278,006 | $36.6M | 0.00% | −265,052−17.2% | Reduced |
| UBS Group AG | 1,342,402 | $38.4M | 0.01% | −1,700,807−55.9% | Reduced |
| Paradigm Biocapital Advisors LP | 1,375,569 | $39.4M | 1.68% | +1,375,569 | New |
| First Trust Advisors LP | 1,397,281 | $40.0M | 0.03% | −223,765−13.8% | Reduced |
| Bank of New York Mellon Corp | 1,535,886 | $43.9M | 0.01% | −154,309−9.1% | Reduced |
| Artisan Partners Limited Partnership | 1,541,807 | $44.1M | 0.07% | −94,462−5.8% | Reduced |
| Goldman Sachs Group Inc | 1,667,697 | $47.7M | 0.01% | +195,646+13.3% | Added |
| Wellington Management Group LLP | 1,700,103 | $48.6M | 0.01% | −1,396,776−45.1% | Reduced |
| Morgan Stanley | 1,802,052 | $51.6M | 0.00% | −361,547−16.7% | Reduced |
| Northern Trust Corp | 1,813,609 | $51.9M | 0.01% | −63,281−3.4% | Reduced |
| Norges Bank | 1,863,895 | $53.3M | 0.01% | −52,651−2.7% | Reduced |
| Nuveen, LLC | 2,048,073 | $58.6M | 0.02% | +28,405+1.4% | Added |
| Charles Schwab Investment Management Inc | 2,092,049 | $59.9M | 0.01% | +44,646+2.2% | Added |
| Loomis Sayles & Co L P | 2,109,894 | $60.4M | 0.08% | −330,389−13.5% | Reduced |
| Bank of America Corp | 2,155,087 | $61.7M | 0.00% | +647,905+43.0% | Added |
| Commodore Capital LP | 2,450,000 | $70.1M | 4.95% | +500,000+25.6% | Added |
| Holocene Advisors, LP | 2,853,768 | $81.6M | 0.20% | +679,166+31.2% | Added |
| Avoro Capital Advisors LLC | 2,900,000 | $83.0M | 1.45% | +450,000+18.4% | Added |
| Primecap Management Co | 2,902,510 | $83.0M | 0.07% | −101,585−3.4% | Reduced |
| Dimensional Fund Advisors LP | 3,096,637 | $88.6M | 0.02% | +105,632+3.5% | Added |
| American Century Companies Inc | 3,657,223 | $104.6M | 0.06% | +191,549+5.5% | Added |
| Geode Capital Management, LLC | 4,023,552 | $115.1M | 0.01% | +83,858+2.1% | Added |
| RTW Investments, LP | 4,682,289 | $134.0M | 1.91% | −2,202,409−32.0% | Reduced |
| JPMorgan Chase & Co | 4,836,294 | $138.4M | 0.01% | −398,701−7.6% | Reduced |
| Renaissance Technologies LLC | 5,810,160 | $166.2M | 0.22% | +71,332+1.2% | Added |
| Baker Bros. Advisors LP | 6,410,603 | $183.4M | 1.78% | +1,927,318+43.0% | Added |
| State Street Corp | 8,208,256 | $234.8M | 0.01% | +185,586+2.3% | Added |
| Price T Rowe Associates Inc | 10,041,900 | $287.3M | 0.03% | −1,746,345−14.8% | Reduced |
| Vanguard Group Inc | 18,503,074 | $529.4M | 0.01% | +290,400+1.6% | Added |
| BlackRock, Inc. | 27,856,163 | $797.0M | 0.02% | +449,795+1.6% | Added |
| Activest Wealth Management | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Virginia Retirement Systems Et Al | 0 | $0 | 0.00% | −948,133−100.0% | Sold out |
| Quantedge Capital Pte Ltd | 0 | $0 | 0.00% | −881,900−100.0% | Sold out |
| LSV Asset Management | 0 | $0 | 0.00% | −182,965−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −159,055−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −156,476−100.0% | Sold out |
| Silverarc Capital Management, LLC | 0 | $0 | 0.00% | −124,871−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −122,638−100.0% | Sold out |
| Allostery Investments LP | 0 | $0 | 0.00% | −115,000−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −84,142−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −70,316−100.0% | Sold out |
| Advisor Resource Council | 0 | $0 | 0.00% | −60,952−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −54,347−100.0% | Sold out |
| Fieldview Capital Management, LLC | 0 | $0 | 0.00% | −52,943−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −33,016−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −30,078−100.0% | Sold out |
| Private Client Services, LLC | 0 | $0 | 0.00% | −28,132−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −23,346−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −23,010−100.0% | Sold out |
| Baird Financial Group, Inc. | 0 | $0 | 0.00% | −17,764−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −16,858−100.0% | Sold out |
| Syon Capital LLC | 0 | $0 | 0.00% | −14,938−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −13,500−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −12,417−100.0% | Sold out |
| Quantessence Capital LLC | 0 | $0 | 0.00% | −11,300−100.0% | Sold out |
| United Services Automobile Association | 0 | $0 | 0.00% | −10,815−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −10,315−100.0% | Sold out |
| SIH Partners, LLLP | 0 | $0 | 0.00% | −10,234−100.0% | Sold out |
| Everence Capital Management Inc | 0 | $0 | 0.00% | −9,540−100.0% | Sold out |
| Capula Management Ltd | 0 | $0 | 0.00% | −8,874−100.0% | Sold out |
| Moors & Cabot, Inc. | 0 | $0 | 0.00% | −8,604−100.0% | Sold out |
| Pitcairn Co | 0 | $0 | 0.00% | −8,110−100.0% | Sold out |
| TownSquare Capital, LLC | 0 | $0 | 0.00% | −7,234−100.0% | Sold out |
| Burney Co | 0 | $0 | 0.00% | −6,517−100.0% | Sold out |
| Shelton Capital Management | 0 | $0 | 0.00% | −6,470−100.0% | Sold out |
| Ashton Thomas Private Wealth, LLC | 0 | $0 | 0.00% | −6,446−100.0% | Sold out |
| Mercer Global Advisors Inc | 0 | $0 | 0.00% | −6,432−100.0% | Sold out |
| Sequoia Financial Advisors, LLC | 0 | $0 | 0.00% | −6,222−100.0% | Sold out |
| Pallas Capital Advisors LLC | 0 | $0 | 0.00% | −6,192−100.0% | Sold out |
| Coldstream Capital Management Inc | 0 | $0 | 0.00% | −4,105−100.0% | Sold out |
| USA Financial Portformulas Corp | 0 | $0 | 0.00% | −1,469−100.0% | Sold out |
| V-Square Quantitative Management LLC | 0 | $0 | 0.00% | −1,031−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −881−100.0% | Sold out |
| Quent Capital, LLC | 0 | $0 | 0.00% | −678−100.0% | Sold out |
| Hexagon Capital Partners LLC | 0 | $0 | 0.00% | −620−100.0% | Sold out |
| Boston Private Wealth LLC | 0 | $0 | 0.00% | −189−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −163−100.0% | Sold out |