BlackRock, Inc.

Holdings History for ARROWHEAD PHARMACEUTICALS, INC. - Common Stock (ARWR)

Symbol: ARWR on Nasdaq
Investment type: Equity / Common Stock
Latest Disclosed Shares Owned: 20,323,221 shares
Security Ownership %: 15%

Shares, Excluding Options vs Price

Value, Excluding Options

BlackRock, Inc. ownership in ARROWHEAD PHARMACEUTICALS, INC. Common Stock (ARWR)

21 Jan 2026 - BlackRock, Inc. has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 20,323,221 shares of ARROWHEAD PHARMACEUTICALS, INC. Common Stock (ARWR). This represents 15% ownership of the company. In their previous filing dated 23 Apr 2025, BlackRock, Inc. had reported owning 19,012,855 shares, indicating an increase of +6.9%. .

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
BlackRock, Inc.	15%	+8.6%	$1,349,258,642	20,323,221	+1,310,366	+6.9%	$66.39	13G/A	31 Dec 2025	21 Jan 2026, 12:30
BlackRock, Inc.	14%		$253,631,486	19,012,855			$13.34	13G/A	31 Mar 2025	23 Apr 2025, 20:14

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	0.02%	+0%	$1,415,340,659	21,318,582	+1,093,757	+5.4%	$66.39	Q4 2025
30 Sep 2025	0.01%	+0%	$697,554,214	20,224,825	+799,938	+4.1%	$34.49	Q3 2025
30 Jun 2025	0.01%	-0%	$306,913,213	19,424,887	-501,267	-2.5%	$15.80	Q2 2025
31 Mar 2025	0.01%	+0%	$253,859,202	19,926,154	+3,748,154	+23%	$12.74	Q1 2025
31 Dec 2024	0.01%	+0%	$304,146,400	16,178,000	+342,088	+2.2%	$18.80	Q4 2024
30 Sep 2024	0.01%	0%	$306,741,615	15,835,912	0		$19.37	Q3 2024

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.