Back to stocks
ALKS

ALKS

Alkermes plc

Institutional holders
427
As of Q2 2026
Total 13F value
$9.8B
Sum of disclosed positions
New positions
94
This quarter
Sold positions
54
This quarter

Top holders

Institutions with disclosed positions in this stock

FundValueShares% PortfolioChange
BlackRock, Inc.

Blackrock, Inc.

$1.5B29.24M0.02%+3.3%
BAKER BROS. ADVISORS LP

Baker Bros. Advisors Lp

$524.6M10.01M2.63%Unchanged
VANGUARD PORTFOLIO MANAGEMENT LLC

Vanguard Portfolio Management Llc

$497.3M9.49M0.02%-0.2%
STATE STREET CORP

State Street Corporation

$480M9.16M0.01%-3.2%
VANGUARD CAPITAL MANAGEMENT LLC

Vanguard Capital Management Llc

$393.7M7.52M0.01%+1.2%
PRICE T ROWE ASSOCIATES INC /MD/

Price T Rowe Associates Inc /Md/

$353M6.74M0.03%+44.4%
RENAISSANCE TECHNOLOGIES LLC

Renaissance Technologies

$338.5M6.46M0.47%+4.9%
GEODE CAPITAL MANAGEMENT, LLC

Geode Capital Management, Llc

$234.7M4.48M0.01%+7.1%
DIMENSIONAL FUND ADVISORS LP

Dimensional Fund Advisors Lp

$219.8M4.19M0.04%-7.2%
Deep Track Capital, LP

Deep Track Capital, Lp

$209.6M4.00M3.05%+11.4%
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

California State Teachers Retirement System

$207.8M10.54M0.03%+5527.7%
AMERICAN CENTURY COMPANIES INC

American Century Companies Inc

$207.2M3.95M0.09%-34.9%
Holocene Advisors, LP

Holocene Advisors, Lp

$188.7M3.60M0.43%+55.4%
CITADEL ADVISORS LLC

Citadel Advisors

$172.4M3.29M0.01%-26.6%
Commodore Capital LP

Commodore Capital Lp

$157.2M3.00M9.36%-28.6%
WELLINGTON MANAGEMENT GROUP LLP

Wellington Management Group Llp

$147.5M2.81M0.02%-5.2%
PRIMECAP MANAGEMENT CO/CA/

Primecap Management Co/Ca/

$132.5M2.53M0.08%-0.5%
FIRST TRUST ADVISORS LP

First Trust Advisors Lp

$126.8M2.42M0.07%-18.4%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Charles Schwab Investment Management Inc

$122.3M2.34M0.02%+4.4%
Sixth Street Partners Management Company, L.P.

Sixth Street Partners Management Company, L.P.

$122.3M2.34M0.02%New Position
Nuveen, LLC

Nuveen, Llc

$121.8M2.32M0.01%-5.5%
NORGES BANK

Norges Bank

$113M2.16M0.01%New Position
BVF INC/IL

Bvf Inc/Il

$112.9M2.15M2.89%+7.7%
GOLDMAN SACHS GROUP INC

Goldman Sachs Group

$106M2.02M0.00%+7.5%
Bain Capital Life Sciences Investors, LLC

Bain Capital Life Sciences Investors, Llc

$101.5M1.94M6.04%+217.7%
NORTHERN TRUST CORP

Northern Trust Corp

$96M1.83M0.01%+7.9%
MORGAN STANLEY

Morgan Stanley

$91.8M1.75M0.00%+0.9%
RTW INVESTMENTS, LP

Rtw Investments, Lp

$87.6M1.67M0.75%Unchanged
LOOMIS SAYLES & CO L P

Loomis Sayles & Co L P

$83.1M1.59M0.08%-11.2%
ADAGE CAPITAL PARTNERS GP, L.L.C.

Adage Capital Partners Gp, L.L.C.

$71.7M1.37M0.10%New Position
PUBLIC SECTOR PENSION INVESTMENT BOARD

Public Sector Pension Investment Board

$71M1.35M0.09%Unchanged
D. E. Shaw & Co., Inc.

D.E. Shaw & Co

$68.7M1.31M0.03%+84.7%
DRIEHAUS CAPITAL MANAGEMENT LLC

Driehaus Capital Management Llc

$64.9M1.24M0.38%+56.4%
VANGUARD FIDUCIARY TRUST CO

Vanguard Fiduciary Trust Co

$61.7M1.18M0.01%+4.3%
FRANKLIN RESOURCES INC

Franklin Resources Inc

$61.3M1.17M0.01%+541.1%
BNP Paribas Asset Management Holding S.A.

Bnp Paribas Asset Management Holding S.A.

$60.7M1.16M0.05%+383.7%
FMR LLC

Fmr Llc

$59.4M1.13M0.00%-14.3%
Affinity Asset Advisors, LLC

Affinity Asset Advisors, Llc

$58.9M1.13M2.66%-16.7%
Bank of New York Mellon Corp

Bank Of New York Mellon Corp

$57.5M1.10M0.01%+5.9%
T. Rowe Price Investment Management, Inc.

T. Rowe Price Investment Management, Inc.

$57.2M1.09M0.04%+22.0%
TWO SIGMA INVESTMENTS, LP

Two Sigma Investments

$54.4M1.04M0.04%+33.0%
Soleus Capital Management, L.P.

Soleus Capital Management, L.P.

$53.9M1.03M1.86%-47.8%
PRINCIPAL FINANCIAL GROUP INC

Principal Financial Group Inc

$51.5M983.8K0.03%+2.7%
MARSHALL WACE, LLP

Marshall Wace, Llp

$50.8M970.0K0.04%-2.9%
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC

Summit Partners Public Asset Management, Llc

$49.8M950.2K0.88%New Position
BANK OF AMERICA CORP /DE/

Bank Of America

$48.1M918.3K0.00%-24.2%
VICTORY CAPITAL MANAGEMENT INC

Victory Capital Management Inc

$48M916.7K0.03%+196.7%
Pictet Asset Management Holding SA

Pictet Asset Management Holding Sa

$44M838.0K0.04%-11.1%
Artisan Partners Limited Partnership

Artisan Partners Limited Partnership

$43.5M831.0K0.07%-25.3%
PANAGORA ASSET MANAGEMENT INC

Panagora Asset Management Inc

$40.1M765.5K0.12%-17.9%

Explore