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 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 |
|---|---|---|---|---|---|
| Sterling Capital Management LLC | 5,318 | $188.0K | 0.00% | −2,831−34.7% | Reduced |
| Hantz Financial Services, Inc. | 5,333 | $189.0K | 0.00% | +3,288+160.8% | Added |
| GAMMA Investing LLC | 5,385 | $190.4K | 0.01% | +22+0.4% | Added |
| Jane Street Group, LLC | 5,700 | $201.6K | 0.00% | −55,070−90.6% | Reduced |
| RHS Financial, LLC | 5,761 | $203.7K | 0.10% | +5,761 | New |
| DekaBank Deutsche Girozentrale | 5,614 | $204.0K | 0.00% | 00.0% | Unchanged |
| Greenleaf Trust | 5,792 | $204.8K | 0.00% | +5,792 | New |
| M&T Bank Corp | 5,872 | $207.9K | 0.00% | +5,872 | New |
| Nisa Investment Advisors, LLC | 5,947 | $210.3K | 0.00% | −1,917−24.4% | Reduced |
| Centaurus Financial, Inc. | 5,963 | $211.0K | 0.01% | −260−4.2% | Reduced |
| PSP Research LLC | 6,000 | $212.2K | 0.15% | −13,280−68.9% | Reduced |
| FourThought Financial Partners, LLC | 6,068 | $214.6K | 0.02% | +6,068 | New |
| Dutch Asset Corp | 6,200 | $219.2K | 0.15% | +6,200 | New |
| Skopos Labs, Inc. | 6,261 | $221.4K | 0.01% | +6,261 | New |
| GW Henssler & Associates Ltd | 6,370 | $225.2K | 0.01% | +6,370 | New |
| Three Arch Wealth Management LLC | 6,459 | $228.4K | 0.04% | +6,459 | New |
| IMC-Chicago, LLC | 6,879 | $243.2K | 0.00% | +6,879 | New |
| Brinker Capital Investments, LLC | 7,104 | $251.2K | 0.00% | +7,104 | New |
| Moors & Cabot, Inc. | 7,117 | $251.7K | 0.01% | +7,117 | New |
| Bridgefront Capital, LLC | 7,291 | $257.8K | 0.06% | −90−1.2% | Reduced |
| National Bank of Canada | 7,402 | $261.7K | 0.00% | +234+3.3% | Added |
| Auxier Asset Management | 7,652 | $270.6K | 0.04% | 00.0% | Unchanged |
| Gallacher Capital Management LLC | 7,677 | $271.5K | 0.10% | +7,677 | New |
| CAPROCK Group, Inc. | 7,715 | $272.8K | 0.01% | −801−9.4% | Reduced |
| New Age Alpha Advisors, LLC | 7,815 | $276.3K | 0.01% | −201−2.5% | Reduced |
| Empowered Funds, LLC | 7,817 | $276.4K | 0.00% | −53,381−87.2% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 7,986 | $278.2K | 0.00% | −708−8.1% | Reduced |
| Evergreen Capital Management LLC | 8,220 | $290.7K | 0.01% | −1,957−19.2% | Reduced |
| CIBC Bancorp USA Inc. | 8,245 | $291.5K | 0.00% | +8,245 | New |
| GTS Securities LLC | 8,485 | $300.0K | 0.01% | +8,485 | New |
| Jones Financial Companies LLLP | 10,225 | $300.5K | 0.00% | +9,799+2,300.2% | Added |
| Credit Agricole S A | 8,500 | $300.6K | 0.00% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 8,577 | $303.3K | 0.00% | −4,917−36.4% | Reduced |
| Investors Asset Management of Georgia Inc | 8,600 | $303.5K | 0.12% | +8,600 | New |
| Mirae Asset Global Investments Co., Ltd. | 8,692 | $307.3K | 0.00% | +668+8.3% | Added |
| Hohimer Wealth Management, LLC | 8,693 | $307.4K | 0.04% | −357−3.9% | Reduced |
| Bellevue Group AG | 8,870 | $313.6K | 0.01% | +2,276+34.5% | Added |
| Mercer Global Advisors Inc | 8,934 | $315.9K | 0.00% | −204−2.2% | Reduced |
| Sequoia Financial Advisors, LLC | 9,272 | $327.9K | 0.00% | +422+4.8% | Added |
| Ensign Peak Advisors, Inc | 9,316 | $329.4K | 0.00% | −13,512−59.2% | Reduced |
| Ashton Thomas Private Wealth, LLC | 9,439 | $333.8K | 0.01% | +9,439 | New |
| Sanctuary Advisors, LLC | 9,825 | $347.4K | 0.00% | −2,316−19.1% | Reduced |
| Bleakley Financial Group, LLC | 10,064 | $355.9K | 0.01% | −4,668−31.7% | Reduced |
| Lombard Odier Asset Management (USA) Corp | 10,232 | $361.8K | 0.19% | +10,232 | New |
| James Investment Research Inc | 10,285 | $363.7K | 0.04% | +15+0.1% | Added |
| Advisors Asset Management, Inc. | 10,454 | $369.7K | 0.01% | −1,686−13.9% | Reduced |
| CWM, LLC | 11,225 | $396.9K | 0.00% | −1,017−8.3% | Reduced |
| The PNC Financial Services Group, Inc. | 11,318 | $400.2K | 0.00% | +992+9.6% | Added |
| CI Private Wealth, LLC | 11,546 | $408.3K | 0.00% | −10,386−47.4% | Reduced |
| Summit Global Investments | 11,691 | $413.0K | 0.02% | −17,971−60.6% | Reduced |
| Quadrant Capital Group LLC | 12,655 | $447.5K | 0.01% | −275−2.1% | Reduced |
| Crossmark Global Holdings, Inc. | 12,687 | $448.6K | 0.01% | 00.0% | Unchanged |
| Simplex Trading, LLC | 13,138 | $464.6K | 0.01% | +13,138 | New |
| Ameritas Investment Partners, Inc. | 13,171 | $465.7K | 0.01% | 00.0% | Unchanged |
| Jackson Creek Investment Advisors LLC | 13,201 | $467.0K | 0.14% | +13,201 | New |
| Daiwa Securities Group Inc. | 13,400 | $473.8K | 0.00% | +1,641+14.0% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 13,900 | $491.5K | 0.00% | +530+4.0% | Added |
| State of Wyoming | 14,676 | $518.9K | 0.06% | −2,662−15.4% | Reduced |
| Bank of Montreal | 14,756 | $521.8K | 0.00% | +397+2.8% | Added |
| Cetera Investment Advisers | 14,758 | $521.8K | 0.00% | −4,164−22.0% | Reduced |
| LSV Asset Management | 14,800 | $523.0K | 0.00% | −15,700−51.5% | Reduced |
| Aviva PLC | 15,354 | $542.9K | 0.00% | −1,592−9.4% | Reduced |
| Xponance, Inc. | 15,370 | $543.5K | 0.00% | −463−2.9% | Reduced |
| Captrust Financial Advisors | 15,793 | $558.2K | 0.00% | −20,974−57.0% | Reduced |
| Tower Research Capital LLC (TRC) | 16,120 | $570.0K | 0.01% | +13,536+523.8% | Added |
| JustInvest LLC | 16,413 | $580.4K | 0.01% | +2,295+16.3% | Added |
| Omers Administration Corp | 16,516 | $584.0K | 0.00% | +1,600+10.7% | Added |
| Schonfeld Strategic Advisors LLC | 16,584 | $586.4K | 0.00% | +16,584 | New |
| Todd Asset Management LLC | 16,818 | $594.7K | 0.01% | −27−0.2% | Reduced |
| Prelude Capital Management, LLC | 16,928 | $598.6K | 0.05% | +16,928 | New |
| Catalytic Wealth RIA, LLC | 16,980 | $600.4K | 0.02% | −20,438−54.6% | Reduced |
| Round Rock Advisors, LLC | 17,942 | $634.4K | 0.10% | +286+1.6% | Added |
| Public Employees Retirement Association of Colorado | 18,563 | $656.0K | 0.00% | 00.0% | Unchanged |
| AXS Investments LLC | 18,850 | $666.5K | 0.27% | −650−3.3% | Reduced |
| Marex Group plc | 19,891 | $703.3K | 0.01% | −24,960−55.7% | Reduced |
| DRW Securities, LLC | 20,180 | $713.6K | 0.04% | +20,180 | New |
| Teacher Retirement System of Texas | 20,264 | $716.5K | 0.00% | −3,021−13.0% | Reduced |
| Evolve Private Wealth, LLC | 20,401 | $721.4K | 0.04% | +652+3.3% | Added |
| Bryn Mawr Trust Co | 20,783 | $734.9K | 0.02% | 00.0% | Unchanged |
| Farallon Capital Management, L.L.C. | 20,800 | $735.5K | 0.00% | 00.0% | Unchanged |
| E Fund Management Co., Ltd. | 20,920 | $739.7K | 0.02% | +20,920 | New |
| Horizon Kinetics Asset Management LLC | 21,099 | $746.1K | 0.01% | −967−4.4% | Reduced |
| Caitong International Asset Management Co., Ltd | 21,290 | $752.8K | 0.14% | +21,290 | New |
| Entropy Technologies, LP | 22,885 | $809.2K | 0.04% | −40,839−64.1% | Reduced |
| Maryland State Retirement & Pension System | 24,161 | $854.3K | 0.02% | 00.0% | Unchanged |
| Seven Fleet Capital Management LP | 24,170 | $854.7K | 0.27% | +24,170 | New |
| Allspring Global Investments Holdings, LLC | 24,610 | $862.6K | 0.00% | +2,542+11.5% | Added |
| RSM US Wealth Management LLC | 25,259 | $893.2K | 0.01% | −144−0.6% | Reduced |
| Persistent Asset Partners Ltd | 25,563 | $903.9K | 0.35% | +25,563 | New |
| AdvisorShares Investments LLC | 26,369 | $932.4K | 0.17% | −4,211−13.8% | Reduced |
| Guggenheim Capital LLC | 28,649 | $1.01M | 0.01% | +28,649 | New |
| Allstate Corp | 29,154 | $1.03M | 0.01% | +29,154 | New |
| Federated Hermes, Inc. | 29,459 | $1.04M | 0.00% | +2,913+11.0% | Added |
| China Universal Asset Management Co., Ltd. | 29,573 | $1.05M | 0.08% | +2,667+9.9% | Added |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 29,805 | $1.05M | 0.02% | +4,991+20.1% | Added |
| Vestcor Inc | 30,230 | $1.07M | 0.03% | +8,464+38.9% | Added |
| DnB Asset Management AS | 30,525 | $1.08M | 0.00% | −237−0.8% | Reduced |
| Perbak Capital Partners LLP | 31,185 | $1.10M | 0.27% | +31,185 | New |
| Cerity Partners LLC | 31,836 | $1.13M | 0.00% | −494−1.5% | Reduced |
| Militia Capital Management LLC | 31,918 | $1.13M | 0.25% | +31,918 | New |