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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, Q1 2025

Institutional positions in Alkermes plc. as of Mar 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
371
+33 vs. Q4 2024
Shares held
172.3M
+6.96M (+4.2%) vs. Q4 2024
Total value
$5.69B
+$933.5M (+19.6%) vs. Q4 2024
New holders
62
127 more added
Sold out
29
133 more reduced

5 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 371 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 heldQ1 2025: $5.69B
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, Q1 2025

Shares, value and share of portfolio for each institution holding Alkermes plc.; share changes are against Q4 2024.

Institutions holding ALKS in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
New York State Common Retirement Fund141,084$4.66M0.01%−1,396−1.0%Reduced
Lazard Asset Management LLC139,881$4.62M0.01%+46,735+50.2%Added
Universal- Beteiligungs- und Servicegesellschaft mbH139,311$4.60M0.01%+25,493+22.4%Added
Man Group plc135,828$4.49M0.01%+27,176+25.0%Added
PDT Partners, LLC131,383$4.34M0.31%+27,436+26.4%Added
Todd Asset Management LLC129,613$4.28M0.10%−3,947−3.0%Reduced
BNP Paribas Arbitrage, SA127,990$4.23M0.00%−89,990−41.3%Reduced
Silverarc Capital Management, LLC124,871$4.12M0.86%+124,871New
HRT Financial LP122,638$4.05M0.03%+22,366+22.3%Added
State Board of Administration of Florida Retirement System122,514$4.05M0.01%+1,484+1.2%Added
Victory Capital Management Inc120,997$4.00M0.00%+28,596+30.9%Added
Thrivent Financial for Lutherans119,443$3.94M0.01%−5,623−4.5%Reduced
State of Wisconsin Investment Board118,197$3.90M0.01%+10,145+9.4%Added
Wedge Capital Management L L P117,516$3.88M0.08%+5,607+5.0%Added
Alps Advisors Inc115,732$3.82M0.02%−15,106−11.5%Reduced
Allostery Investments LP115,000$3.80M5.48%−5,000−4.2%Reduced
Edgestream Partners, L.P.110,244$3.64M0.12%+56,138+103.8%Added
J. Goldman & Co LP110,051$3.63M0.13%+110,051New
Mirae Asset Global ETFs Holdings Ltd.102,885$3.40M0.01%+2,853+2.9%Added
Wells Fargo & Company99,997$3.30M0.00%+5,977+6.4%Added
Voloridge Investment Management, LLC99,957$3.30M0.01%−226,412−69.4%Reduced
Pathstone Holdings, LLC99,549$3.29M0.01%+14,557+17.1%Added
DAFNA Capital Management LLC94,200$3.11M0.88%−26,500−22.0%Reduced
Franklin Resources Inc94,008$3.10M0.00%−2,916−3.0%Reduced
Martingale Asset Management L P93,094$3.07M0.08%+240+0.3%Added
State of Alaska, Department of Revenue90,103$2.98M0.03%−1,853−2.0%Reduced
New York State Teachers Retirement System89,703$2.96M0.01%+2,425+2.8%Added
Susquehanna Fundamental Investments, LLC86,899$2.87M0.05%00.0%Unchanged
Intech Investment Management LLC85,564$2.83M0.03%+17,413+25.6%Added
Creative Planning85,462$2.82M0.00%+14,010+19.6%Added
Citadel Advisors LLC84,367$2.79M0.00%+31,161+58.6%Added
Corebridge Financial, Inc.84,142$2.78M0.02%−1,625−1.9%Reduced
Illinois Municipal Retirement Fund82,680$2.73M0.04%+702+0.9%Added
Moody Aldrich Partners LLC81,234$2.68M0.56%−1,239−1.5%Reduced
HSBC Holdings PLC81,056$2.64M0.00%+51,393+173.3%Added
Gotham Asset Management, LLC79,668$2.63M0.02%+48,731+157.5%Added
Federated Hermes, Inc.79,590$2.63M0.01%−274,659−77.5%Reduced
Robeco Institutional Asset Management B.V.76,853$2.54M0.00%−45,636−37.3%Reduced
Louisiana State Employees Retirement System76,600$2.53M0.05%−1,600−2.0%Reduced
Campbell & CO Investment Adviser LLC75,069$2.48M0.19%+75,069New
State of Tennessee, Treasury Department73,462$2.43M0.01%−1,389−1.9%Reduced
Caption Management, LLC71,347$2.36M0.11%+58,547+457.4%Added
HighVista Strategies LLC70,762$2.34M0.90%+16,316+30.0%Added
Tudor Investment Corp Et Al70,316$2.32M0.02%+53,196+310.7%Added
KLP Kapitalforvaltning AS68,600$2.27M0.01%−2,500−3.5%Reduced
Allspring Global Investments Holdings, LLC69,335$2.26M0.00%−22,414−24.4%Reduced
Assenagon Asset Management S.A.68,049$2.25M0.00%−12,196−15.2%Reduced
Amundi67,345$2.13M0.00%−16,318−19.5%Reduced
Yousif Capital Management, LLC61,347$2.03M0.02%−1,294−2.1%Reduced
AMG National Trust Bank59,735$1.97M0.06%−135−0.2%Reduced
Advisor Resource Council60,952$1.92M0.16%+60,952New
Verition Fund Management LLC57,491$1.90M0.01%+43,358+306.8%Added
Natixis Advisors, L.P.57,067$1.88M0.00%+7,145+14.3%Added
Vident Advisory, LLC56,817$1.88M0.03%−9,314−14.1%Reduced
Danske Bank A/S55,848$1.84M0.01%−97,073−63.5%Reduced
State of New Jersey Common Pension Fund D54,463$1.80M0.01%−21,926−28.7%Reduced
XTX Topco Ltd54,347$1.79M0.09%+38,602+245.2%Added
Fieldview Capital Management, LLC52,943$1.75M0.25%+43,003+432.6%Added
Guggenheim Capital LLC52,356$1.73M0.02%−5,003−8.7%Reduced
Birchview Capital, LP50,000$1.65M1.43%00.0%Unchanged
Connor, Clark & Lunn Investment Management Ltd.47,738$1.58M0.01%+47,738New
Virtus ETF Advisers LLC47,708$1.58M1.02%+47,708New
Maryland State Retirement & Pension System47,432$1.57M0.04%−7,057−13.0%Reduced
Royce & Associates LP47,187$1.56M0.02%−7,244−13.3%Reduced
Nicollet Investment Management, Inc.47,175$1.56M0.55%+3,438+7.9%Added
Amalgamated Bank46,320$1.53M0.01%−1,154−2.4%Reduced
ProShare Advisors LLC45,286$1.50M0.00%−10,925−19.4%Reduced
Arizona State Retirement System44,066$1.46M0.01%−1,320−2.9%Reduced
Diversified Trust Co43,860$1.45M0.04%+1,351+3.2%Added
Envestnet Asset Management Inc43,107$1.42M0.00%−4,487−9.4%Reduced
STRS Ohio42,500$1.40M0.01%+29,700+232.0%Added
Massachusetts Financial Services Co42,430$1.40M0.00%−968−2.2%Reduced
Teacher Retirement System of Texas41,399$1.37M0.01%−4,939−10.7%Reduced
Hudson Portfolio Management LLC40,215$1.33M1.28%−10,360−20.5%Reduced
CI Private Wealth, LLC39,975$1.32M0.00%−469−1.2%Reduced
Los Angeles Capital Management LLC39,790$1.31M0.01%−6,135−13.4%Reduced
Vontobel Holding Ltd.39,673$1.31M0.00%−8,606−17.8%Reduced
Nisa Investment Advisors, LLC39,332$1.30M0.01%−54,200−57.9%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)39,035$1.29M0.00%+699+1.8%Added
Rhenman & Partners Asset Management AB39,000$1.29M0.15%−38,999−50.0%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys38,915$1.28M0.01%+4,373+12.7%Added
Fred Alger Management, LLC37,511$1.24M0.01%+37,511New
Oregon Public Employees Retirement Fund37,260$1.23M0.02%−758−2.0%Reduced
Profund Advisors LLC37,228$1.23M0.05%−10,116−21.4%Reduced
CIBC World Markets Corp35,733$1.18M0.01%+20,663+137.1%Added
Ieq Capital, LLC35,268$1.16M0.01%−1,495−4.1%Reduced
Police & Firemen's Retirement System of New Jersey34,889$1.15M0.01%00.0%Unchanged
Toroso Investments, LLC34,735$1.15M0.01%−4,181−10.7%Reduced
Fox Run Management, L.L.C.33,728$1.11M0.17%−33,134−49.6%Reduced
Twinbeech Capital LP33,016$1.09M0.02%+33,016New
Engineers Gate Manager LP32,983$1.09M0.02%+32,983New
China Universal Asset Management Co., Ltd.32,618$1.08M0.10%−1,690−4.9%Reduced
AXS Investments LLC31,200$1.03M0.28%+31,200New
Jain Global LLC30,078$993.2K0.02%+5,038+20.1%Added
Squarepoint Ops LLC29,764$982.8K0.00%−193,305−86.7%Reduced
Private Client Services, LLC28,132$928.9K0.46%+28,132New
Bank of Montreal28,057$926.4K0.00%+6,265+28.7%Added
O'Shaughnessy Asset Management, LLC27,935$922.4K0.01%+13,732+96.7%Added
LPL Financial LLC27,151$896.5K0.00%+27,151New
Vestcor Inc26,645$880.0K0.03%+13,268+99.2%Added