Who Owns ARROWHEAD PHARMACEUTICALS IN (ARWR)? -- Institutional Holders (2026-03-31)

523 institutions reported holding $8.37B of ARROWHEAD PHARMACEUTICALS IN (ARWR) in SEC 13F filings for 2026-03-31. Largest institutional holders: BlackRock, Inc. ($1.14B), Avoro Capital Advisors LLC ($670.9M), FMR LLC ($463.0M), VANGUARD PORTFOLIO MANAGEMENT LLC ($448.1M), STATE STREET CORP ($421.5M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1BlackRock, Inc.$1.14B18.2MTrimmed
2Avoro Capital Advisors LLC$670.9M10.7MAdded
3FMR LLC$463.0M14.4MAdded
4VANGUARD PORTFOLIO MANAGEMENT LLC$448.1M7.1MNew
5STATE STREET CORP$421.5M20.2MAdded
6VANGUARD CAPITAL MANAGEMENT LLC$378.2M6.0MNew
7DEERFIELD MANAGEMENT COMPANY, L.P.$305.8M201.6MAdded
8GEODE CAPITAL MANAGEMENT, LLC$274.5M4.3MAdded
9FRED ALGER MANAGEMENT, LLC$209.6M3.3MAdded
10Invesco Ltd.$209.1M6.5MAdded
11Vestal Point Capital, LP$142.6M2.3MAdded
12BAKER BROS. ADVISORS LP$124.9M2.0MTrimmed
13SUSQUEHANNA INTERNATIONAL GROUP, LLP$115.1M1.8MAdded
14GOLDMAN SACHS GROUP INC$112.2M4.7MAdded
15NORTHERN TRUST CORP$103.8M1.7MAdded
16Siren, L.L.C.$101.3M1.6MAdded
17Linden Advisors LP$95.8M92.4MNew
18JANUS HENDERSON GROUP PLC$90.1M1.4MAdded
19UBS Group AG$88.1M5.5MAdded
20UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC$83.5M1.3MAdded
21Pictet Asset Management Holding SA$79.6M1.3MAdded
22D. E. Shaw & Co., Inc.$74.8M1.2MAdded
23CHARLES SCHWAB INVESTMENT MANAGEMENT INC$74.7M1.2MTrimmed
24Driehaus Capital Management LLC$74.6M1.2MTrimmed
25Fisher Asset Management, LLC$69.8M1.1MTrimmed

Source: SEC Form 13F filings · as of 2026-03-31