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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, Q3 2025

Institutional positions in Alkermes plc. as of Sep 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
358
+10 vs. Q2 2025
Shares held
169.6M
+2.28M (+1.4%) vs. Q2 2025
Total value
$5.09B
+$301.2M (+6.3%) vs. Q2 2025
New holders
46
147 more added
Sold out
36
134 more reduced

5 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 358 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 heldQ3 2025: $5.09B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Alkermes plc.; share changes are against Q2 2025.

Institutions holding ALKS in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Capital Advisors, Ltd. LLC7$00.00%00.0%Unchanged
Avion Wealth21$00.00%00.0%Unchanged
Cloud Capital Management, LLC26$00.00%+26New
MV Capital Management, Inc.3$900.00%00.0%Unchanged
CIBC Private Wealth Group, LLC5$1500.00%+3+150.0%Added
Caitong International Asset Management Co., Ltd5$1500.00%+4+400.0%Added
Abound Wealth Management8$2400.00%00.0%Unchanged
Transamerica Financial Advisors, Inc.8$2400.00%+8New
Rialto Wealth Management, LLC9$2700.00%+4+80.0%Added
HFM Investment Advisors, LLC11$3300.00%+2+22.2%Added
Bay Harbor Wealth Management, LLC11$3300.00%+7+175.0%Added
Montag A & Associates Inc11$3300.00%+11New
True Wealth Design, LLC12$3600.00%−334−96.5%Reduced
Bear Mountain Capital, Inc.14$4400.00%+14New
SJS Investment Consulting Inc.18$5400.00%+5+38.5%Added
TD Capital Management LLC20$6000.00%00.0%Unchanged
Glen Eagle Advisors, LLC20$6000.00%00.0%Unchanged
Rossby Financial, LCC21$6440.00%+21New
Global Retirement Partners, LLC23$6900.00%−287−92.6%Reduced
DiNuzzo Private Wealth, Inc.26$7540.00%+5+23.8%Added
Picton Mahoney Asset Management42$1.00K0.00%00.0%Unchanged
Fortitude Family Office, LLC48$1.44K0.00%00.0%Unchanged
IFP Advisors, Inc57$1.71K0.00%−18−24.0%Reduced
GWM Advisors LLC57$1.71K0.00%00.0%Unchanged
Larson Financial Group LLC62$1.86K0.00%−724−92.1%Reduced
WPG Advisers, LLC68$2.04K0.00%+11+19.3%Added
Atlantic Trust, LLC69$2.07K0.00%00.0%Unchanged
Rothschild Investment LLC75$2.25K0.00%−70−48.3%Reduced
JFS Wealth Advisors, LLC77$2.31K0.00%00.0%Unchanged
Essential Partners LLC80$2.40K0.00%−254−76.0%Reduced
Farmers & Merchants Investments Inc100$3.00K0.00%00.0%Unchanged
Parkside Financial Bank & Trust104$3.12K0.00%−107−50.7%Reduced
Kilter Group LLC112$3.36K0.00%+29+34.9%Added
Principal Securities, Inc.112$3.36K0.00%+100+833.3%Added
Northwestern Mutual Wealth Management Co116$3.48K0.00%+116New
Mark Sheptoff Financial Planning, LLC150$4.00K0.00%−300−66.7%Reduced
Hemington Wealth Management145$4.00K0.00%+8+5.8%Added
South State Corp.134$4.02K0.00%00.0%Unchanged
Bell Investment Advisors, Inc137$4.11K0.00%−77−36.0%Reduced
Vermillion & White Wealth Management Group, LLC151$4.53K0.00%00.0%Unchanged
Clearstead Advisors, LLC174$5.22K0.00%−708−80.3%Reduced
Parallel Advisors, LLC179$5.37K0.00%−103−36.5%Reduced
Davis Capital Management203$6.09K0.00%+203New
Farther Finance Advisors, LLC213$6.39K0.00%−556−72.3%Reduced
Harbor Capital Advisors, Inc.232$7.00K0.00%−25−9.7%Reduced
Bare Financial Services, Inc246$7.38K0.00%+74+43.0%Added
NBC Securities, Inc.280$8.40K0.00%00.0%Unchanged
Private Wealth Management Group, LLC290$8.70K0.00%00.0%Unchanged
MAI Capital Management294$8.82K0.00%−199−40.4%Reduced
Massmutual Trust Co FSB304$9.12K0.00%−96−24.0%Reduced
Jones Financial Companies LLLP368$10.3K0.00%+202+121.7%Added
Rise Advisors, LLC345$10.3K0.00%00.0%Unchanged
Root Financial Partners, LLC351$10.5K0.00%+351New
Allworth Financial LP410$12.3K0.00%−6−1.4%Reduced
SRS Capital Advisors, Inc.485$14.6K0.00%+205+73.2%Added
Wealthspire Advisors, LLC527$15.8K0.00%+527New
Ci Investments Inc.517$16.0K0.00%−78−13.1%Reduced
Daiwa Securities Group Inc.519$16.0K0.00%−74−12.5%Reduced
WealthCollab, LLC544$16.3K0.01%00.0%Unchanged
Huntington National Bank561$16.8K0.00%+61+12.2%Added
Salomon & Ludwin, LLC577$17.9K0.00%+577New
Advisory Services Network, LLC658$19.7K0.00%+658New
Quent Capital, LLC678$20.3K0.00%+678New
Umb Bank N A774$23.2K0.00%−262−25.3%Reduced
Assetmark, Inc827$24.8K0.00%+747+933.8%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.884$26.5K0.00%00.0%Unchanged
Public Employees Retirement System of Ohio892$26.8K0.00%−3,526−79.8%Reduced
Storebrand Asset Management AS919$27.6K0.00%00.0%Unchanged
Johnson Financial Group, Inc.1,026$30.8K0.00%+1,026New
Fifth Third Bancorp1,083$32.5K0.00%−33−3.0%Reduced
Hantz Financial Services, Inc.1,239$37.0K0.00%+989+395.6%Added
Versant Capital Management, Inc1,262$37.9K0.01%+73+6.1%Added
Signaturefd, LLC1,285$38.5K0.00%−40−3.0%Reduced
Ronald Blue Trust, Inc.1,346$40.4K0.00%−169−11.2%Reduced
Walleye Capital LLC1,563$46.9K0.00%+1,563New
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,777$53.0K0.00%+48+2.8%Added
Group One Trading, L.P.1,903$57.1K0.00%−414−17.9%Reduced
Rockefeller Capital Management L.P.2,157$64.7K0.00%+2,157New
Bessemer Group Inc2,222$67.0K0.00%+1,378+163.3%Added
EMC Capital Management2,428$73.0K0.03%00.0%Unchanged
Advisor Group Holdings, Inc.2,716$79.4K0.00%+771+39.6%Added
EverSource Wealth Advisors, LLC2,817$84.5K0.00%−466−14.2%Reduced
Sterling Capital Management LLC3,107$93.2K0.00%+1,716+123.4%Added
US Bancorp3,209$96.3K0.00%+178+5.9%Added
Federated Hermes, Inc.3,501$105.0K0.00%−19,313−84.7%Reduced
GF Fund Management Co. Ltd.3,552$106.6K0.00%−591−14.3%Reduced
GAMMA Investing LLC4,394$131.8K0.01%−569−11.5%Reduced
Tower Research Capital LLC (TRC)4,464$133.9K0.00%−9,246−67.4%Reduced
KBC Group NV5,106$153.0K0.00%+1,105+27.6%Added
DekaBank Deutsche Girozentrale5,614$160.0K0.00%00.0%Unchanged
Centaurus Financial, Inc.5,602$168.0K0.01%+960+20.7%Added
Smartleaf Asset Management LLC6,303$183.0K0.01%+2,926+86.6%Added
Mirae Asset Global Investments Co., Ltd.6,382$191.5K0.00%+12+0.2%Added
Bellevue Group AG6,594$197.8K0.00%+6,594New
GW Henssler & Associates Ltd6,680$200.4K0.01%+6,680New
Moors & Cabot, Inc.6,777$203.3K0.01%+6,777New
Swiss Life Asset Management Ltd7,373$221.2K0.00%+7,373New
National Bank of Canada7,398$221.9K0.00%+85+1.2%Added
Verition Fund Management LLC7,480$224.4K0.00%−112,206−93.8%Reduced
Sequoia Financial Advisors, LLC7,793$233.8K0.00%+7,793New