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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.

Q2 2025 vs. Q1 2025

How the institutions holding Alkermes plc. changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of ALKS: Q1 2025 compared with Q2 2025
MeasureQ1 2025Of which not filed for Q2 2025Q2 2025Change
Holders3715353−13
Shares172.3M519.2K169.2M−2.54M (−1.5%)
Value$5.69B$17.1M$4.84B−$829.6M (−14.6%)

5 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (42)

Institutions that held Alkermes plc. at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to ALKS in Q2 2025
InstitutionSharesValue% of portfolio
Paradigm Biocapital Advisors LP1,375,569$39.4M1.68%
EcoR1 Capital, LLC500,000$14.3M0.85%
Glenmede Investment Management, LP483,363$13.8M0.07%
Peregrine Capital Management LLC264,620$7.57M0.23%
Marshall Wace, LLP207,511$5.94M0.01%
Hussman Strategic Advisors, Inc.126,000$3.60M0.82%
Magnetar Financial LLC123,678$3.54M0.02%
Arrowstreet Capital, Limited Partnership103,278$2.95M0.00%
Knott David M Jr49,000$1.40M0.64%
Schroder Investment Management Group48,506$1.39M0.00%
ADAR1 Capital Management, LLC45,000$1.29M0.21%
Oliver Luxxe Assets LLC44,551$1.27M0.23%
Horizon Investments, LLC42,615$1.22M0.02%
Capital Fund Management S.A.39,929$1.14M0.01%
Jennison Associates LLC31,761$908.7K0.00%
CenterBook Partners LP21,349$610.8K0.03%
Resona Asset Management Co.,Ltd.18,025$515.7K0.00%
Neo Ivy Capital Management16,150$462.1K0.15%
Moran Wealth Management, LLC15,833$453.0K0.01%
Polygon Management Ltd.15,632$447.2K0.08%
Boothbay Fund Management, LLC10,000$286.1K0.01%
MQS Management LLC9,370$268.1K0.15%
DRW Securities, LLC9,219$263.8K0.02%
Vise Technologies, Inc.8,523$243.8K0.01%
Pzena Investment Management LLC7,439$212.8K0.00%
Financiere des Professionnels - Fonds d,investissement inc.7,438$212.8K0.01%
DekaBank Deutsche Girozentrale5,614$159.0K0.00%
Mount Yale Investment Advisors, LLC2,862$81.9K0.01%
EMC Capital Management2,428$69.0K0.04%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,729$49.0K0.00%
Armstrong Advisory Group, Inc1,000$28.6K0.00%
Twin Peaks Wealth Advisors, LLC521$14.3K0.00%
Essential Partners LLC334$9.56K0.00%
Global Retirement Partners, LLC310$8.87K0.00%
AdvisorNet Financial, Inc250$7.15K0.00%
Altshuler Shaham Ltd131$3.75K0.00%
Kilter Group LLC83$2.38K0.00%
Atlantic Trust, LLC69$1.98K0.00%
Riggs Asset Managment Co. Inc.32$9160.00%
UMA Financial Services, Inc.21$6010.00%
Rialto Wealth Management, LLC5$1440.00%
Caitong International Asset Management Co., Ltd1$290.00%

Sold out (55)

Institutions that held Alkermes plc. at the end of Q1 2025 and filed for Q2 2025 without it.

Institutions that sold out of ALKS in Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Virginia Retirement Systems Et Al948,133$31.3M
Quantedge Capital Pte Ltd881,900$29.1M
LSV Asset Management182,965$6.04M
EAM Investors, LLC159,055$5.25M
Qube Research & Technologies Ltd156,476$5.17M
Silverarc Capital Management, LLC124,871$4.12M
HRT Financial LP122,638$4.05M
Allostery Investments LP115,000$3.80M
Corebridge Financial, Inc.84,142$2.78M
Tudor Investment Corp Et Al70,316$2.32M
Advisor Resource Council60,952$1.92M
XTX Topco Ltd54,347$1.79M
Fieldview Capital Management, LLC52,943$1.75M
Twinbeech Capital LP33,016$1.09M
Jain Global LLC30,078$993.2K
Private Client Services, LLC28,132$928.9K
Bridgefront Capital, LLC23,346$770.9K
Penserra Capital Management LLC23,010$759.0K
Baird Financial Group, Inc.17,764$586.6K
Inceptionr LLC16,858$556.7K
Syon Capital LLC14,938$493.3K
Bayesian Capital Management, LP13,500$445.8K
Jefferies Financial Group Inc.12,417$410.0K
Quantessence Capital LLC11,300$373.1K
United Services Automobile Association10,815$359.2K
Gsa Capital Partners LLP10,315$341.0K
SIH Partners, LLLP10,234$337.9K
Everence Capital Management Inc9,540$315.0K
Capula Management Ltd8,874$293.0K
Moors & Cabot, Inc.8,604$284.1K
Pitcairn Co8,110$267.8K
TownSquare Capital, LLC7,234$238.9K
Burney Co6,517$215.2K
Shelton Capital Management6,470$213.6K
Ashton Thomas Private Wealth, LLC6,446$212.8K
Mercer Global Advisors Inc6,432$212.4K
Sequoia Financial Advisors, LLC6,222$205.5K
Pallas Capital Advisors LLC6,192$204.5K
Coldstream Capital Management Inc4,105$135.5K
USA Financial Portformulas Corp1,469$48.5K
V-Square Quantitative Management LLC1,031$34.0K
Twin Tree Management, LP881$29.1K
Quent Capital, LLC678$22.4K
Hexagon Capital Partners LLC620$20.5K
Boston Private Wealth LLC189$6.24K
Walleye Trading LLC163$5.38K
Sierra Ocean, LLC42$1.39K
Private Trust Co NA41$1.35K
TD Private Client Wealth LLC28$925
Stephens Consulting, LLC20$661
Global Financial Private Client, LLC20$660
Creative Financial Designs Inc16$528
First Horizon Advisors, Inc.16$528
Cornerstone Planning Group LLC11$299
Activest Wealth Management1$33

Not filed for Q2 2025 yet (5)

Institutions that held Alkermes plc. at the end of Q1 2025 and haven't filed a 13F for Q2 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ALKS in Q1 2025 that haven't filed for Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Glenmede Trust Co NA499,019$16.5M
Orion Portfolio Solutions, LLC11,446$377.9K
CAPROCK Group, Inc.8,107$267.7K
Lindbrook Capital, LLC451$14.9K
Davis Capital Management203$6.70K