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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, Q4 2025

Institutional positions in Alkermes plc. as of Dec 31, 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
366
+12 vs. Q3 2025
Shares held
180.4M
+11.5M (+6.8%) vs. Q3 2025
Total value
$5.05B
−$19.2M (−0.4%) vs. Q3 2025
New holders
59
144 more added
Sold out
47
124 more reduced

4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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.

Institutional holdersQ4 2025: 366 institutions
Q1 2021: 200 institutionsQ2 2021: 226 institutionsQ3 2021: 227 institutionsQ4 2021: 219 institutionsQ1 2022: 249 institutionsQ2 2022: 276 institutionsQ3 2022: 275 institutionsQ4 2022: 279 institutionsQ1 2023: 269 institutionsQ2 2023: 293 institutionsQ3 2023: 309 institutionsQ4 2023: 302 institutionsQ1 2024: 337 institutionsQ2 2024: 323 institutionsQ3 2024: 338 institutionsQ4 2024: 343 institutionsQ1 2025: 371 institutionsQ2 2025: 353 institutionsQ3 2025: 358 institutionsQ4 2025: 366 institutionsQ1 2026: 390 institutionsQ2 2026: 425 institutions
Value heldQ4 2025: $5.05B
Q1 2021: $2.95BQ2 2021: $3.95BQ3 2021: $4.77BQ4 2021: $3.68BQ1 2022: $4.21BQ2 2022: $4.67BQ3 2022: $3.57BQ4 2022: $4.24BQ1 2023: $4.56BQ2 2023: $5.03BQ3 2023: $4.59BQ4 2023: $4.87BQ1 2024: $4.77BQ2 2024: $4.32BQ3 2024: $5.01BQ4 2024: $4.81BQ1 2025: $5.69BQ2 2025: $4.84BQ3 2025: $5.09BQ4 2025: $5.05BQ1 2026: $6.22BQ2 2026: $9.32B
Institutions holding ALKS and their total value by quarter
QuarterHoldersValue
Q2 2026425$9.32B
Q1 2026390$6.22B
Q4 2025366$5.05B
Q3 2025358$5.09B
Q2 2025353$4.84B
Q1 2025371$5.69B
Q4 2024343$4.81B
Q3 2024338$5.01B
Q2 2024323$4.32B
Q1 2024337$4.77B
Q4 2023302$4.87B
Q3 2023309$4.59B
Q2 2023293$5.03B
Q1 2023269$4.56B
Q4 2022279$4.24B
Q3 2022275$3.57B
Q2 2022276$4.67B
Q1 2022249$4.21B
Q4 2021219$3.68B
Q3 2021227$4.77B
Q2 2021226$3.95B
Q1 2021200$2.95B

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Alkermes plc.; share changes are against Q3 2025.

Institutions holding ALKS in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Capital Advisors, Ltd. LLC7$00.00%00.0%Unchanged
Avion Wealth21$00.00%00.0%Unchanged
MV Capital Management, Inc.3$840.00%00.0%Unchanged
Dunhill Financial, LLC4$1020.00%+4New
Harbour Investments, Inc.5$1400.00%+5New
HFM Investment Advisors, LLC8$2240.00%−3−27.3%Reduced
Abound Wealth Management8$2240.00%00.0%Unchanged
Rialto Wealth Management, LLC9$2520.00%00.0%Unchanged
Bay Harbor Wealth Management, LLC10$2790.00%−1−9.1%Reduced
Flagship Harbor Advisors, LLC10$2800.00%+10New
True Wealth Design, LLC11$3080.00%−1−8.3%Reduced
Gilpin Wealth Management, LLC12$3360.00%+12New
Global Retirement Partners, LLC18$5040.00%−5−21.7%Reduced
Signature Equity Partners, LLC19$5320.00%+19New
TD Capital Management LLC20$5600.00%00.0%Unchanged
Glen Eagle Advisors, LLC20$5600.00%00.0%Unchanged
Manchester Capital Management LLC20$5600.00%+20New
Rossby Financial, LCC21$5880.00%00.0%Unchanged
Rakuten Securities, Inc.25$7000.00%+25New
Ankerstar Wealth, LLC26$7270.00%+26New
Ares Financial Consulting, LLC26$7270.00%+26New
DiNuzzo Private Wealth, Inc.26$7280.00%00.0%Unchanged
WPG Advisers, LLC32$8950.00%−36−52.9%Reduced
SJS Investment Consulting Inc.37$1.04K0.00%+19+105.6%Added
Godfrey Financial Associates, Inc.41$1.15K0.00%+41New
Picton Mahoney Asset Management42$1.18K0.00%00.0%Unchanged
Larson Financial Group LLC44$1.23K0.00%−18−29.0%Reduced
Torren Management, LLC44$1.23K0.00%+44New
CIBC Private Wealth Group, LLC45$1.26K0.00%+40+800.0%Added
Keating Financial Advisory Services, Inc.53$1.48K0.00%+53New
Fortitude Family Office, LLC56$1.57K0.00%+8+16.7%Added
GWM Advisors LLC57$1.59K0.00%00.0%Unchanged
Kilter Group LLC65$1.82K0.00%−47−42.0%Reduced
Essential Partners LLC86$2.41K0.00%+6+7.5%Added
Three Bearings Fiduciary Advisors, Inc.75$2.54K0.00%+75New
South State Corp.99$2.77K0.00%−35−26.1%Reduced
Farmers & Merchants Investments Inc100$2.80K0.00%00.0%Unchanged
Parkside Financial Bank & Trust104$2.91K0.00%00.0%Unchanged
Rothschild Investment LLC107$2.99K0.00%+32+42.7%Added
SRS Capital Advisors, Inc.116$3.25K0.00%−369−76.1%Reduced
JFS Wealth Advisors, LLC118$3.30K0.00%+41+53.2%Added
Bell Investment Advisors, Inc120$3.36K0.00%−17−12.4%Reduced
Mark Sheptoff Financial Planning, LLC150$4.00K0.00%00.0%Unchanged
Clearstead Advisors, LLC174$4.87K0.00%00.0%Unchanged
Parallel Advisors, LLC179$5.01K0.00%00.0%Unchanged
Davis Capital Management203$5.68K0.00%00.0%Unchanged
MAI Capital Management213$5.96K0.00%−81−27.6%Reduced
Bare Financial Services, Inc237$6.63K0.00%−9−3.7%Reduced
Private Wealth Management Group, LLC285$7.97K0.00%−5−1.7%Reduced
Harbor Capital Advisors, Inc.286$8.00K0.00%+54+23.3%Added
Massmutual Trust Co FSB304$8.51K0.00%00.0%Unchanged
Jones Financial Companies LLLP426$11.9K0.00%+58+15.8%Added
Root Financial Partners, LLC436$12.2K0.00%+85+24.2%Added
Kemnay Advisory Services Inc.472$13.2K0.00%+472New
Allworth Financial LP493$13.8K0.00%+83+20.2%Added
WealthCollab, LLC544$15.2K0.01%00.0%Unchanged
NBC Securities, Inc.573$16.0K0.00%+293+104.6%Added
Huntington National Bank634$17.7K0.00%+73+13.0%Added
Assetmark, Inc649$18.2K0.00%−178−21.5%Reduced
Golden State Wealth Management, LLC650$18.2K0.00%+650New
Quent Capital, LLC678$19.0K0.00%00.0%Unchanged
Farther Finance Advisors, LLC751$21.0K0.00%+538+252.6%Added
IFP Advisors, Inc823$23.0K0.00%+766+1,343.9%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.884$25.0K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.937$26.2K0.00%−409−30.4%Reduced
Public Employees Retirement System of Ohio960$26.9K0.00%+68+7.6%Added
Cullen/Frost Bankers, Inc.1,015$28.4K0.00%+1,015New
Fifth Third Bancorp1,174$32.8K0.00%+91+8.4%Added
Versant Capital Management, Inc1,178$33.0K0.00%−84−6.7%Reduced
Danske Bank A/S1,200$33.6K0.00%−32,271−96.4%Reduced
US Bancorp1,218$34.1K0.00%−1,991−62.0%Reduced
Umb Bank N A1,220$34.1K0.00%+446+57.6%Added
Salomon & Ludwin, LLC1,244$34.8K0.00%+667+115.6%Added
Signaturefd, LLC1,285$36.0K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.1,411$39.5K0.00%−746−34.6%Reduced
Pinnacle Wealth Planning Services, Inc.1,696$47.5K0.00%+1,696New
Hantz Financial Services, Inc.2,045$57.0K0.00%+806+65.1%Added
EMC Capital Management2,064$58.0K0.03%−364−15.0%Reduced
T. Rowe Price Investment Management, Inc.2,099$59.0K0.00%+2,099New
EverSource Wealth Advisors, LLC2,455$68.7K0.00%−362−12.9%Reduced
Leonteq Securities AG2,515$70.4K0.00%+2,515New
Tower Research Capital LLC (TRC)2,584$72.3K0.00%−1,880−42.1%Reduced
C M Bidwell & Associates Ltd2,630$73.6K0.03%+2,630New
Advisor Group Holdings, Inc.2,677$74.9K0.00%−39−1.4%Reduced
GF Fund Management Co. Ltd.3,244$90.8K0.00%−308−8.7%Reduced
Horizon Investments, LLC3,296$92.2K0.00%−39,706−92.3%Reduced
KBC Group NV5,106$143.0K0.00%00.0%Unchanged
GAMMA Investing LLC5,363$150.1K0.01%+969+22.1%Added
DekaBank Deutsche Girozentrale5,614$153.0K0.00%00.0%Unchanged
St Germain D J Co Inc6,180$172.9K0.01%+6,180New
Centaurus Financial, Inc.6,223$174.0K0.01%+621+11.1%Added
Smartleaf Asset Management LLC6,402$178.0K0.01%+99+1.6%Added
Covestor Ltd6,516$182.0K0.10%−1,399−17.7%Reduced
Bellevue Group AG6,594$184.5K0.00%00.0%Unchanged
National Bank of Canada7,168$200.5K0.00%−230−3.1%Reduced
MQS Management LLC7,252$202.9K0.12%+7,252New
Avanza Fonder AB7,327$205.0K0.01%−893−10.9%Reduced
Bridgefront Capital, LLC7,381$206.5K0.05%+7,381New
Auxier Asset Management7,652$214.1K0.03%−185−2.4%Reduced
Nisa Investment Advisors, LLC7,864$220.0K0.00%−723−8.4%Reduced