Arrowhead Pharmaceuticals, Inc. ARWR

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57.46 USD -4.19 (-6.80%)

At closeNov 5, 2026, 6:37 PM EST

57.00 -0.46 -0.80%

After hours · Nov 5, 6:37 PM ET

57.24 Day range 61.73

37.06 52-week range 95.49

Held by insiders 3.66%

Held by institutions 85.37%

Float held by institutions 88.61%

Institutions 664

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	10.53%	14,830,553	852.31M	Jun 29, 2026
Avoro Capital Advisors LLC	8.06%	11,355,555	652.60M	Jun 29, 2026
FMR, LLC	5.71%	8,039,804	462.05M	Jun 29, 2026
Vanguard Portfolio Management LLC	4.51%	6,351,355	365.01M	Jun 29, 2026
Vanguard Capital Management LLC	4.34%	6,110,953	351.20M	Jun 29, 2026
State Street Corporation	4.04%	5,694,640	327.27M	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
iShares Trust-iShares Core S&P Mid-Cap ETF	3.57%	5,031,501	289.16M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	3.01%	4,246,637	244.05M	Jun 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund	2.18%	3,067,819	176.31M	Jun 29, 2026
Fidelity Mt. Vernon Street Trust-Fidelity Growth Company Fund	1.89%	2,663,269	153.06M	Sep 29, 2026
Invesco Exchange-Traded Fund Trust-Invesco S&P MidCap Momentum ETF	1.28%	1,799,303	103.41M	Sep 29, 2026
SPDR SERIES TRUST-State Street SPDR S&P Biotech ETF	1.27%	1,788,396	102.78M	Sep 29, 2026

ARWR insiders
Insider	Relation	Latest transaction	Date	Shares held
ANZALONE CHRISTOPHER RICHARD	Chief Executive Officer	Sale	Jan 1, 2026	3,792,740
APEL DANIEL JOSEPH	Chief Financial Officer	Sale	Apr 21, 2026	162,905
FERRARI MAURO	Director	Sale	Dec 25, 2025	69,053
GIVEN DOUGLAS BRUCE	Director	Sale	Dec 16, 2024	124,167
HAMILTON JAMES C	Officer	Sale	Apr 22, 2026	226,958
LU HONGBO B	Director	Sale	May 11, 2026	52,012

Held by funds