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

Insider buying vs selling

Have Arrowhead Pharmaceuticals Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Michael S. PerryDirector2026-08-1811,600$87.30
$1.01MSell
Adeoye Y. OlukotunDirector2026-08-182,000$86.96
$173.92kSell
Hongbo LuDirector2026-05-122,970$76.88
$228.33kSell
James C. HamiltonChief Medical Officer2026-04-2310,000$75.00
$750.00kSell
Daniel Joseph ApelChief Financial Officer2026-04-221,157$70.45
$81.51kSell
Daniel Joseph ApelChief Financial Officer2026-04-223,208$70.11
$224.91kSell
Daniel Joseph ApelChief Financial Officer2026-04-228,730$71.92
$627.86kSell
James C. HamiltonChief Medical Officer2026-03-0510,000$64.19
$641.90kSell
Patrick 1. ObrienCOO2026-01-05600$61.12
$36.67kSell
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
David M. Knott3.97%5,609,690$352.01MInsider
Christopher Richard Anzalone2.69%3,792,739$237.99MInsider
Bruce D. Given0.60%850,730$53.38MInsider
Patrick 1. Obrien0.39%547,408$34.35MInsider
R. Bruce Stewart0.36%511,500$32.10MInsider
Kenneth Allen Myszkowski0.32%455,433$28.58MInsider
James C. Hamilton0.16%226,958$14.24MInsider
Zhen Li0.14%201,700$12.66MInsider
Martin Javier San0.14%198,497$12.46MInsider
Daniel Joseph Apel0.12%162,905$10.22MInsider

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ARWR vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ARWR0.08%9.73%Net SellingNet Selling
AXSM0.07%58.03%Net SellingNet Buying
TGTX0.07%48.64%Net SellingNet Selling
CYTK0.12%10.96%Net SellingNet Selling
CAI0.05%81.85%Net BuyingNet Buying

Arrowhead Pharmaceuticals Stock Ownership FAQ

Who owns Arrowhead Pharmaceuticals?

Arrowhead Pharmaceuticals (NASDAQ: ARWR) is owned by 0.08% institutional shareholders, 9.73% Arrowhead Pharmaceuticals insiders, and 90.19% retail investors. David M. Knott is the largest individual Arrowhead Pharmaceuticals shareholder, owning 5.61M shares representing 3.97% of the company. David M. Knott's Arrowhead Pharmaceuticals shares are currently valued at $340.68M.

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