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ARWR

ARWR

Arrowhead Pharmaceuticals, Inc.Healthcare

Institutional holders
502
As of Q2 2026
Total 13F value
$10B
Sum of disclosed positions
New positions
129
This quarter
Sold positions
59
This quarter

Top holders

Institutions with disclosed positions in this stock

FundValueShares% PortfolioChange
BlackRock, Inc.

Blackrock, Inc.

$1.2B14.83M0.01%-18.3%
Avoro Capital Advisors LLC

Avoro Capital Advisors Llc

$925.6M11.36M8.31%+6.1%
FMR LLC

Fmr Llc

$655.3M8.04M0.02%+10.6%
VANGUARD PORTFOLIO MANAGEMENT LLC

Vanguard Portfolio Management Llc

$517.7M6.35M0.02%-11.1%
VANGUARD CAPITAL MANAGEMENT LLC

Vanguard Capital Management Llc

$498.1M6.11M0.01%+1.3%
STATE STREET CORP

State Street Corporation

$464.2M5.69M0.01%-12.3%
NORGES BANK

Norges Bank

$317.6M3.90M0.03%New Position
Invesco Ltd.

Invesco Ltd.

$316.6M3.88M0.01%+18.4%
GEODE CAPITAL MANAGEMENT, LLC

Geode Capital Management, Llc

$298.8M3.53M0.01%-17.5%
FRED ALGER MANAGEMENT, LLC

Fred Alger Management, Llc

$269.1M3.30M0.90%-1.2%
BAKER BROS. ADVISORS LP

Baker Bros. Advisors Lp

$162.4M1.99M0.81%Unchanged
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

California State Teachers Retirement System

$151.2M11.54M0.02%+7797.6%
Siren, L.L.C.

Siren, L.L.C.

$139.8M1.72M2.83%+6.2%
Vestal Point Capital, LP

Vestal Point Capital, Lp

$128.4M1.57M3.00%-30.8%
DEERFIELD MANAGEMENT COMPANY, L.P.

Deerfield Management Company, L.P. (Series C)

$113.2M1.39M1.18%-11.7%
FIRST TRUST ADVISORS LP

First Trust Advisors Lp

$110.3M1.35M0.06%+807.1%
DRIEHAUS CAPITAL MANAGEMENT LLC

Driehaus Capital Management Llc

$110.1M1.35M0.64%+13.5%
Jupiter Topco LLC

Jupiter Topco Llc

$99.6M1.22M0.04%New Position
NORTHERN TRUST CORP

Northern Trust Corp

$97.2M1.19M0.01%-28.0%
DIMENSIONAL FUND ADVISORS LP

Dimensional Fund Advisors Lp

$96.3M1.18M0.02%+94.2%
GOLDMAN SACHS GROUP INC

Goldman Sachs Group

$93.7M1.15M0.00%-33.9%
BANK OF AMERICA CORP /DE/

Bank Of America

$92.9M1.14M0.00%+7.1%
Hood River Capital Management LLC

Hood River Capital Management Llc

$91.4M1.12M0.66%+6.1%
Holocene Advisors, LP

Holocene Advisors, Lp

$90.2M1.11M0.20%New Position
MORGAN STANLEY

Morgan Stanley

$88.4M1.08M0.00%+12.9%
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC

Ubs Asset Management Americas Inc

$78.6M964.5K0.01%-27.5%
Fisher Asset Management, LLC

Fisher Asset Management

$78.1M957.7K0.02%-14.0%
Sixth Street Partners Management Company, L.P.

Sixth Street Partners Management Company, L.P.

$75.3M923.9K0.01%New Position
CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Charles Schwab Investment Management Inc

$75.3M923.9K0.01%-22.5%
VANGUARD FIDUCIARY TRUST CO

Vanguard Fiduciary Trust Co

$73.1M896.7K0.02%-7.2%
UBS Group AG

Ubs Group Ag

$70.2M861.5K0.00%-35.5%
Bank of New York Mellon Corp

Bank Of New York Mellon Corp

$70.1M859.5K0.00%-10.5%
PRICE T ROWE ASSOCIATES INC /MD/

Price T Rowe Associates Inc /Md/

$69.6M853.4K0.01%-18.2%
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC

Summit Partners Public Asset Management, Llc

$67.7M830.2K1.19%+53.7%
Western Financial Corp/CA

Western Financial Corp/Ca

$66.9M820.2K19.58%Unchanged
JPMORGAN CHASE & CO

Jpmorgan Chase

$51.8M637.4K0.00%New Position
Connor, Clark & Lunn Investment Management Ltd.

Connor, Clark & Lunn Investment Management Ltd.

$51M625.6K0.10%-25.3%
SUSQUEHANNA INTERNATIONAL GROUP, LLP

Susquehanna International Group, Llp

$48.6M596.6K0.00%+57.5%
TWO SIGMA INVESTMENTS, LP

Two Sigma Investments

$47.3M580.6K0.03%+1521.8%
Pictet Asset Management Holding SA

Pictet Asset Management Holding Sa

$46.7M573.4K0.04%-55.0%
BNP PARIBAS FINANCIAL MARKETS

Bnp Paribas Arbitrage, Snc

$45.5M558.6K0.02%-14.1%
LORD, ABBETT & CO. LLC

Lord, Abbett & Co. Llc

$44.1M540.5K0.13%+72.8%
1832 Asset Management L.P.

1832 Asset Management L.P.

$43.9M538.5K0.02%New Position
PRINCIPAL FINANCIAL GROUP INC

Principal Financial Group Inc

$41.9M514.7K0.02%+5.0%
HRT FINANCIAL LP

Hrt Financial Lp

$40.6M498.7K0.07%New Position
VOYA INVESTMENT MANAGEMENT LLC

Voya Investment Management Llc

$39.4M483.5K0.02%-26.3%
BALYASNY ASSET MANAGEMENT L.P.

Balyasny Asset Management Llc

$38.4M470.8K0.05%+128.1%
RENAISSANCE TECHNOLOGIES LLC

Renaissance Technologies

$38.2M468.9K0.05%-54.8%
FRANKLIN RESOURCES INC

Franklin Resources Inc

$37.7M462.1K0.00%-0.1%
D. E. Shaw & Co., Inc.

D.E. Shaw & Co

$35.2M431.6K0.01%-63.5%

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