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NASDAQ: ARWR
Arrowhead Pharmaceuticals Inc Stock Ownership - Who owns Arrowhead Pharmaceuticals?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Arrowhead Pharmaceuticals Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Patrick 1. ObrienCOO2026-01-0546$68.00
$3.13kSell
Patrick 1. ObrienCOO2026-01-055,873$62.91
$369.47kSell
Patrick 1. ObrienCOO2026-01-054,368$61.20
$267.32kSell
James C. HamiltonChief Medical Officer2026-01-05309$68.00
$21.01kSell
James C. HamiltonChief Medical Officer2026-01-05437$65.97
$28.83kSell
James C. HamiltonChief Medical Officer2026-01-051,200$64.49
$77.39kSell
James C. HamiltonChief Medical Officer2026-01-0512,711$63.95
$812.87kSell
James C. HamiltonChief Medical Officer2026-01-0514,792$63.01
$932.04kSell
James C. HamiltonChief Medical Officer2026-01-056,090$62.28
$379.29kSell
James C. HamiltonChief Medical Officer2026-01-054,625$61.24
$283.24kSell

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Net Insider Buy/Sell (L12M) Ownership

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ARWR Shareholders

What type of owners hold Arrowhead Pharmaceuticals Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc14.89%20,224,825$1.40BInstitution
Vanguard Group Inc11.81%16,035,870$1.11BInstitution
Avoro Capital Advisors LLC8.03%10,900,000$753.41MInstitution
State Street Corp4.71%6,397,364$442.19MInstitution
Fmr LLC4.24%5,759,830$398.12MInstitution
David M. Knott4.13%5,609,690$387.74MInsider
Slate Path Capital LP3.67%4,982,000$344.36MInstitution
Christopher Richard Anzalone2.79%3,792,739$262.15MInsider
Geode Capital Management LLC2.31%3,131,042$216.42MInstitution
Siren LLC1.97%2,669,880$184.54MInstitution

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ARWR vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ARWR81.72%10.16%Net SellingNet Selling
AXSM61.71%38.29%Net SellingNet Buying
TECH97.61%2.39%Net BuyingNet Selling
JAZZ28.42%71.58%Net SellingNet Selling
HALO77.68%22.32%Net SellingNet Selling
View Top Biotech Stocks

Arrowhead Pharmaceuticals Stock Ownership FAQ

Who owns Arrowhead Pharmaceuticals?

Arrowhead Pharmaceuticals (NASDAQ: ARWR) is owned by 81.72% institutional shareholders, 10.16% Arrowhead Pharmaceuticals insiders, and 8.12% retail investors. David M. Knott is the largest individual Arrowhead Pharmaceuticals shareholder, owning 5.61M shares representing 4.13% of the company. David M. Knott's Arrowhead Pharmaceuticals shares are currently valued at $388.92M.

If you're new to stock investing, here's how to buy Arrowhead Pharmaceuticals stock.
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