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Who owns Arrowhead Pharmaceuticals (ARWR) stock

461 funds reported Arrowhead Pharmaceuticals (ARWR) shares in their latest 13F filings, worth $10.3B in all. The largest holder is BlackRock ($1.2B). Last quarter 245 funds added to their stakes and 203 cut them.

Largest holders of ARWR (13F)Largest holders of ARWR (13F)BlackRock$1.2BVanguard Group$1.0BAvoro Capital Advisors LLC$926MFMR LLC$655MVanguard Portfolio Management LLC$518MVanguard Capital Management LLC$498MState Street$464MInvesco$317MGeode Capital Management, LLC$299MFred Alger Management, LLC$269M

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock14,830,553$1.2Bdecrease2026-06-30
Vanguard Group15,293,121$1.0Bdecrease2025-12-31
Avoro Capital Advisors LLC11,355,555$926Mincrease2026-06-30
FMR LLC8,039,804$655Mincrease2026-06-30
Vanguard Portfolio Management LLC6,351,355$518Mdecrease2026-06-30
Vanguard Capital Management LLC6,110,953$498Mincrease2026-06-30
State Street5,694,640$464Mdecrease2026-06-30
Invesco3,883,976$317Mincrease2026-06-30
Geode Capital Management, LLC3,530,612$299Mdecrease2026-06-30
Fred Alger Management, LLC3,301,919$269Mdecrease2026-06-30
Baker Bros. Advisors LP1,992,783$162Munchanged2026-06-30
Siren, L.L.C.1,715,476$140Mincrease2026-06-30
Vestal Point Capital, LP1,575,000$128Mdecrease2026-06-30
Deerfield Management Company, L.P. (series C)1,389,055$113Mdecrease2026-06-30
First Trust Advisors LP1,352,918$110Mincrease2026-06-30

Arrowhead Pharmaceuticals' latest quarter

Arrowhead Pharmaceuticals, Q3 FY26: revenue $75.3M (+171% year over year), operating margin -226.0%, net loss $179M, operating cash flow −$177M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most ARWR stock?

By the latest 13F filings: BlackRock ($1.2B); Vanguard Group ($1.0B); Avoro Capital Advisors LLC ($926M); FMR LLC ($655M); Vanguard Portfolio Management LLC ($518M).

What is the short interest in ARWR?

10,959,276 shares were sold short at the 2026-10-15 settlement, 1.85% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.