ARROWHEAD PHARMACEUTICALS IN (ARWR) Institutional Ownership Changes & 13F Activity

ARROWHEAD PHARMACEUTICALS IN (ARWR). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Invesco Ltd., Holocene Advisors, Lp, State Street Corp, D. E. Shaw & Co., Inc., and Vestal Point Capital, Lp.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Envestnet Asset Management IncBuy+187,478+280.9%254,228$20.72MQ2 2026Sep 23, 2026
Qrg Capital Management, Inc.Buy+317+7.1%4,810$392.01KQ2 2026Sep 23, 2026
State Street CorpSell-801,490-12.3%5,694,640$464.17MQ2 2026Sep 22, 2026
Anchor Investment Management, LlcBuy+28—28$2.28KQ2 2026Sep 15, 2026
Manufacturers Life Insurance Company, TheSell-48,467-30.2%111,955$9.13MQ2 2026Sep 09, 2026
Integrated Wealth Concepts LlcBuy+412+5.2%8,297$676.29KQ2 2026Sep 09, 2026
Parkside Financial Bank & TrustSell-20-4.6%413$33.66KQ2 2026Sep 04, 2026
Allianz Asset Management GmbhBuy+19,731+35.5%75,353$6.14MQ2 2026Sep 02, 2026
Corient Private Wealth LlcSell-344-2.1%15,769$1.29MQ2 2026Aug 27, 2026
California State Teachers Retirement SystemSell-4,487-3.1%139,826$11.40MQ2 2026Aug 24, 2026
Assenagon Asset Management S.A.Buy+143,192+243.8%201,927$16.46MQ2 2026Aug 21, 2026
Archer Investment CorpBuy+500—500$40.76KQ2 2026Aug 19, 2026
Mercer Global Advisors IncSell-332-5.3%5,984$487.76KQ2 2026Aug 19, 2026
Fulcrum Asset Management LlpBuy+128—128$10.30KQ2 2026Aug 18, 2026
Transamerica Financial Advisors, LlcBuy+77,398+1547960.0%77,403$6.31MQ2 2026Aug 17, 2026
Public Employees Retirement System Of OhioBuy+38,507—38,507$3.14MQ2 2026Aug 17, 2026
Empowered Funds, LlcSell-29,179-21.3%108,041$8.81MQ2 2026Aug 17, 2026
Jefferies Financial Group Inc.Buy+4,994—4,994$407.06KQ2 2026Aug 17, 2026
Centaurus Financial, Inc.Buy+36+2.1%1,774$145.00KQ2 2026Aug 17, 2026
Invesco Ltd.Buy+3,883,976—3,883,976$316.58MQ2 2026Aug 14, 2026
Holocene Advisors, LpBuy+1,106,177—1,106,177$90.16MQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Sell-752,278-63.5%431,560$35.18MQ2 2026Aug 14, 2026
Vestal Point Capital, LpSell-700,000-30.8%1,575,000$128.38MQ2 2026Aug 14, 2026
Avoro Capital Advisors LlcBuy+655,556+6.1%11,355,555$925.59MQ2 2026Aug 14, 2026
Goldman Sachs Group IncSell-589,916-33.9%1,150,007$93.74MQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+544,809+1521.8%580,609$47.33MQ2 2026Aug 14, 2026
Hrt Financial LpBuy+498,655—498,655$40.65MQ2 2026Aug 14, 2026
Alyeska Investment Group, L.P.Sell-414,148-87.6%58,722$4.79MQ2 2026Aug 14, 2026
Millennium Management LlcBuy+329,337—329,337$26.84MQ2 2026Aug 14, 2026
Summit Partners Public Asset Management, LlcBuy+290,103+53.7%830,247$67.67MQ2 2026Aug 14, 2026
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Frequently asked questions about ARWR activity

  • Which institutional owners are buying ARWR?

    Institutional owners buying ARWR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ARWR activity?

    "Buy" means an investor increased their reported position in ARWR compared to the prior reporting period. This reflects growing exposure to ARROWHEAD PHARMACEUTICALS IN (ARWR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ARWR increasing?

    Institutional interest in ARWR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.