Companies / Arrowhead Pharmaceuticals, Inc.

Arrowhead Pharmaceuticals, Inc.

Nasdaq: ARWRCIK 879407PASADENA, CAarrowheadpharma.com ↗

Financials · FY2025

Revenue$829.45M
Net income$30.11M
Total debt—
Cash$69.40M
Diluted EPS$-0.01
Shares outstanding141.3M

Ownership

141.3M shares outstanding · as of Jul 30, 2026
3.4%Insiders
Ownership
Insiders3.37%4,753,305
10%+ / strategic14.39%20,323,221
Institutions68.54%96,813,940
Public float13.71%19,364,001

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 4

View all →
Insider% of sharesShares
Anzalone Christopher RichardCEOChief Executive Officer · Director
2.69%3,792,739
O'Brien PatrickCOO
0.39%547,408
Hamilton James CChief Medical Officer
0.17%236,958
Apel Daniel JosephChief Financial Officer
0.12%176,200

Institutional holders 427

View all →
HolderValue% of shares
BlackRock, Inc.$1.21B10.50%
Vanguard Group Inc$1.02B10.83%
Avoro Capital Advisors LLC$705.39M7.52%
State Street Corporation$464.17M4.03%
Fmr LLC$432.89M4.62%
Geode Capital Management, LLC$274.50M3.03%
Slate Path Capital LP$167.54M1.79%
Baker Bros. Advisors LP$124.95M1.41%
Fred Alger Management, LLC$121.69M1.30%
Driehaus Capital Management LLC$117.47M1.25%

Activity

View all →
InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Jan 5, 2026Hamilton James C
Executive
SellCommon Stock$932.0K-15K
-7.34%
186,615
0.13% of shares
medium
Jan 5, 2026O'Brien Patrick
Executive
SellCommon Stock$846.9K-13K
-2.62%
500,418
0.35% of shares
medium
Jan 5, 2026Hamilton James C
Executive
SellCommon Stock$812.9K-13K
-6.81%
173,904
0.12% of shares
medium
Jan 5, 2026O'Brien Patrick
Executive
SellCommon Stock$756.0K-12K
-2.37%
488,576
0.35% of shares
medium
Mar 5, 2026Hamilton James C
Executive
SellCommon Stock$641.9K-10K
-4.05%
236,958
0.17% of shares
medium
Jan 2, 2026Anzalone Christopher Richard
CEO
SellCommon Stock$488.6K-7K
-0.19%
3,798,510
2.69% of shares
medium
Jan 5, 2026O'Brien Patrick
Executive
SellCommon Stock$383.6K-6K
-1.19%
513,869
0.36% of shares
medium
Jan 2, 2026Anzalone Christopher Richard
CEO
SellCommon Stock$383.1K-6K
-0.15%
3,792,739
2.69% of shares
medium

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Vanguard Group IncPassive13G/A—0—
BlackRock, Inc.Passive13G/A—20,323,221—

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
ARWR——04280A100—