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 2026
Institutional positions in Alkermes plc. as of Mar 31, 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
- 390
- +30 vs. Q4 2025
- Shares held
- 176.6M
- +16.2M (+10.1%) vs. Q4 2025
- Total value
- $6.22B
- +$1.73B (+38.5%) vs. Q4 2025
- New holders
- 76
- 121 more added
- Sold out
- 46
- 149 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Alkermes plc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| AdvisorShares Investments LLC | 26,369 | $932.4K | 0.17% | −4,211−13.8% | Reduced |
| Persistent Asset Partners Ltd | 25,563 | $903.9K | 0.35% | +25,563 | New |
| RSM US Wealth Management LLC | 25,259 | $893.2K | 0.01% | −144−0.6% | Reduced |
| Allspring Global Investments Holdings, LLC | 24,610 | $862.6K | 0.00% | +2,542+11.5% | Added |
| Seven Fleet Capital Management LP | 24,170 | $854.7K | 0.27% | +24,170 | New |
| Maryland State Retirement & Pension System | 24,161 | $854.3K | 0.02% | 00.0% | Unchanged |
| Entropy Technologies, LP | 22,885 | $809.2K | 0.04% | −40,839−64.1% | Reduced |
| Caitong International Asset Management Co., Ltd | 21,290 | $752.8K | 0.14% | +21,290 | New |
| Horizon Kinetics Asset Management LLC | 21,099 | $746.1K | 0.01% | −967−4.4% | Reduced |
| E Fund Management Co., Ltd. | 20,920 | $739.7K | 0.02% | +20,920 | New |
| Farallon Capital Management, L.L.C. | 20,800 | $735.5K | 0.00% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 20,783 | $734.9K | 0.02% | 00.0% | Unchanged |
| Evolve Private Wealth, LLC | 20,401 | $721.4K | 0.04% | +652+3.3% | Added |
| Teacher Retirement System of Texas | 20,264 | $716.5K | 0.00% | −3,021−13.0% | Reduced |
| DRW Securities, LLC | 20,180 | $713.6K | 0.04% | +20,180 | New |
| Marex Group plc | 19,891 | $703.3K | 0.01% | −24,960−55.7% | Reduced |
| AXS Investments LLC | 18,850 | $666.5K | 0.27% | −650−3.3% | Reduced |
| Public Employees Retirement Association of Colorado | 18,563 | $656.0K | 0.00% | 00.0% | Unchanged |
| Round Rock Advisors, LLC | 17,942 | $634.4K | 0.10% | +286+1.6% | Added |
| Catalytic Wealth RIA, LLC | 16,980 | $600.4K | 0.02% | −20,438−54.6% | Reduced |
| Prelude Capital Management, LLC | 16,928 | $598.6K | 0.05% | +16,928 | New |
| Todd Asset Management LLC | 16,818 | $594.7K | 0.01% | −27−0.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 16,584 | $586.4K | 0.00% | +16,584 | New |
| Omers Administration Corp | 16,516 | $584.0K | 0.00% | +1,600+10.7% | Added |
| JustInvest LLC | 16,413 | $580.4K | 0.01% | +2,295+16.3% | Added |
| Tower Research Capital LLC (TRC) | 16,120 | $570.0K | 0.01% | +13,536+523.8% | Added |
| Captrust Financial Advisors | 15,793 | $558.2K | 0.00% | −20,974−57.0% | Reduced |
| Xponance, Inc. | 15,370 | $543.5K | 0.00% | −463−2.9% | Reduced |
| Aviva PLC | 15,354 | $542.9K | 0.00% | −1,592−9.4% | Reduced |
| LSV Asset Management | 14,800 | $523.0K | 0.00% | −15,700−51.5% | Reduced |
| Cetera Investment Advisers | 14,758 | $521.8K | 0.00% | −4,164−22.0% | Reduced |
| Bank of Montreal | 14,756 | $521.8K | 0.00% | +397+2.8% | Added |
| State of Wyoming | 14,676 | $518.9K | 0.06% | −2,662−15.4% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 13,900 | $491.5K | 0.00% | +530+4.0% | Added |
| Daiwa Securities Group Inc. | 13,400 | $473.8K | 0.00% | +1,641+14.0% | Added |
| Jackson Creek Investment Advisors LLC | 13,201 | $467.0K | 0.14% | +13,201 | New |
| Ameritas Investment Partners, Inc. | 13,171 | $465.7K | 0.01% | 00.0% | Unchanged |
| Simplex Trading, LLC | 13,138 | $464.6K | 0.01% | +13,138 | New |
| Crossmark Global Holdings, Inc. | 12,687 | $448.6K | 0.01% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 12,655 | $447.5K | 0.01% | −275−2.1% | Reduced |
| Summit Global Investments | 11,691 | $413.0K | 0.02% | −17,971−60.6% | Reduced |
| CI Private Wealth, LLC | 11,546 | $408.3K | 0.00% | −10,386−47.4% | Reduced |
| The PNC Financial Services Group, Inc. | 11,318 | $400.2K | 0.00% | +992+9.6% | Added |
| CWM, LLC | 11,225 | $396.9K | 0.00% | −1,017−8.3% | Reduced |
| Advisors Asset Management, Inc. | 10,454 | $369.7K | 0.01% | −1,686−13.9% | Reduced |
| James Investment Research Inc | 10,285 | $363.7K | 0.04% | +15+0.1% | Added |
| Lombard Odier Asset Management (USA) Corp | 10,232 | $361.8K | 0.19% | +10,232 | New |
| Bleakley Financial Group, LLC | 10,064 | $355.9K | 0.01% | −4,668−31.7% | Reduced |
| Sanctuary Advisors, LLC | 9,825 | $347.4K | 0.00% | −2,316−19.1% | Reduced |
| Ashton Thomas Private Wealth, LLC | 9,439 | $333.8K | 0.01% | +9,439 | New |
| Ensign Peak Advisors, Inc | 9,316 | $329.4K | 0.00% | −13,512−59.2% | Reduced |
| Sequoia Financial Advisors, LLC | 9,272 | $327.9K | 0.00% | +422+4.8% | Added |
| Mercer Global Advisors Inc | 8,934 | $315.9K | 0.00% | −204−2.2% | Reduced |
| Bellevue Group AG | 8,870 | $313.6K | 0.01% | +2,276+34.5% | Added |
| Hohimer Wealth Management, LLC | 8,693 | $307.4K | 0.04% | −357−3.9% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 8,692 | $307.3K | 0.00% | +668+8.3% | Added |
| Investors Asset Management of Georgia Inc | 8,600 | $303.5K | 0.12% | +8,600 | New |
| HighTower Advisors, LLC | 8,577 | $303.3K | 0.00% | −4,917−36.4% | Reduced |
| Credit Agricole S A | 8,500 | $300.6K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 10,225 | $300.5K | 0.00% | +9,799+2,300.2% | Added |
| GTS Securities LLC | 8,485 | $300.0K | 0.01% | +8,485 | New |
| CIBC Bancorp USA Inc. | 8,245 | $291.5K | 0.00% | +8,245 | New |
| Evergreen Capital Management LLC | 8,220 | $290.7K | 0.01% | −1,957−19.2% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 7,986 | $278.2K | 0.00% | −708−8.1% | Reduced |
| Empowered Funds, LLC | 7,817 | $276.4K | 0.00% | −53,381−87.2% | Reduced |
| New Age Alpha Advisors, LLC | 7,815 | $276.3K | 0.01% | −201−2.5% | Reduced |
| CAPROCK Group, Inc. | 7,715 | $272.8K | 0.01% | −801−9.4% | Reduced |
| Gallacher Capital Management LLC | 7,677 | $271.5K | 0.10% | +7,677 | New |
| Auxier Asset Management | 7,652 | $270.6K | 0.04% | 00.0% | Unchanged |
| National Bank of Canada | 7,402 | $261.7K | 0.00% | +234+3.3% | Added |
| Bridgefront Capital, LLC | 7,291 | $257.8K | 0.06% | −90−1.2% | Reduced |
| Moors & Cabot, Inc. | 7,117 | $251.7K | 0.01% | +7,117 | New |
| Brinker Capital Investments, LLC | 7,104 | $251.2K | 0.00% | +7,104 | New |
| IMC-Chicago, LLC | 6,879 | $243.2K | 0.00% | +6,879 | New |
| Three Arch Wealth Management LLC | 6,459 | $228.4K | 0.04% | +6,459 | New |
| GW Henssler & Associates Ltd | 6,370 | $225.2K | 0.01% | +6,370 | New |
| Skopos Labs, Inc. | 6,261 | $221.4K | 0.01% | +6,261 | New |
| Dutch Asset Corp | 6,200 | $219.2K | 0.15% | +6,200 | New |
| FourThought Financial Partners, LLC | 6,068 | $214.6K | 0.02% | +6,068 | New |
| PSP Research LLC | 6,000 | $212.2K | 0.15% | −13,280−68.9% | Reduced |
| Centaurus Financial, Inc. | 5,963 | $211.0K | 0.01% | −260−4.2% | Reduced |
| Nisa Investment Advisors, LLC | 5,947 | $210.3K | 0.00% | −1,917−24.4% | Reduced |
| M&T Bank Corp | 5,872 | $207.9K | 0.00% | +5,872 | New |
| Greenleaf Trust | 5,792 | $204.8K | 0.00% | +5,792 | New |
| DekaBank Deutsche Girozentrale | 5,614 | $204.0K | 0.00% | 00.0% | Unchanged |
| RHS Financial, LLC | 5,761 | $203.7K | 0.10% | +5,761 | New |
| Jane Street Group, LLC | 5,700 | $201.6K | 0.00% | −55,070−90.6% | Reduced |
| GAMMA Investing LLC | 5,385 | $190.4K | 0.01% | +22+0.4% | Added |
| Hantz Financial Services, Inc. | 5,333 | $189.0K | 0.00% | +3,288+160.8% | Added |
| Sterling Capital Management LLC | 5,318 | $188.0K | 0.00% | −2,831−34.7% | Reduced |
| KBC Group NV | 5,106 | $181.0K | 0.00% | 00.0% | Unchanged |
| Walleye Capital LLC | 5,029 | $177.8K | 0.00% | −16,568−76.7% | Reduced |
| Public Employees Retirement System of Ohio | 4,929 | $174.3K | 0.00% | +3,969+413.4% | Added |
| ABS Direct Equity Fund LLC | 4,900 | $167.4K | 0.13% | +4,900 | New |
| Covestor Ltd | 3,805 | $135.0K | 0.09% | −2,711−41.6% | Reduced |
| GF Fund Management Co. Ltd. | 3,709 | $131.2K | 0.00% | +465+14.3% | Added |
| Walleye Trading LLC | 3,395 | $120.0K | 0.00% | −8,154−70.6% | Reduced |
| EverSource Wealth Advisors, LLC | 3,278 | $115.9K | 0.00% | +823+33.5% | Added |
| Advisory Services Network, LLC | 3,009 | $106.4K | 0.00% | +3,009 | New |
| Rockefeller Capital Management L.P. | 2,566 | $90.7K | 0.00% | +1,155+81.9% | Added |