What does CUSIP 04280A100 represent in this 13F holders report?

CUSIP 04280A100 is the security identifier for ARWR - ARROWHEAD PHARMACEUTICALS, INC. - Common Stock used to aggregate holder disclosures.

How many institutions held ARWR - ARROWHEAD PHARMACEUTICALS, INC. - Common Stock in Q2 2025?

279 institutional investors reported ARWR - ARROWHEAD PHARMACEUTICALS, INC. - Common Stock for Q2 2025. Use the holders table for investor-level position and value details.

ARROWHEAD PHARMACEUTICALS, INC. - Common Stock (ARWR)

CUSIP: 04280A100

Q2 2025 13F Holders as of 30 Jun 2025

Security type / class: Equity / Common Stock
Total 13F shares: 105,716,035
Total 13F value: $1,671,181,802
Share change: +2,396,724
Put/Call ratio: 128%
SEC-reported price per share: $15.80
Number of holders: 279
Value change: +$44,748,514
Number of buys: 153
Number of sells: 117
Shares outstanding: 140,947,086

Security key

04280A100

Report period

Q2 2025

Institutions

279

Top holders

ARWR full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 ARROWHEAD PHARMACEUTICALS, INC. SEC filings ARROWHEAD PHARMACEUTICALS, INC. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 04280A100

Newer quarter: Q2 2026

Recent filing periods:

Q2 2026

Ownership snapshot

Top reported holders of ARWR - ARROWHEAD PHARMACEUTICALS, INC. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Avoro Capital Advisors LLC

Disclosed value leader

BlackRock, Inc.

Comparable rows

15/15

Latest evidence

30 Jun 2025

13D/G 13F Lead comparable stake: 8.3% 13D/G row: Avoro Capital Advisors LLC Showing 1-6 of 15 holder rows.

Quick read

Avoro Capital Advisors LLC leads the comparable SEC ownership view at 8.3%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Avoro Capital Advisors LLC's linked filing trail.

Comparable ownership Top 5

Avoro Capital Advisors LLC 8.3%

STATE STREET CORP 4.6%

BlackRock, Inc. 14%

VANGUARD GROUP INC 9.4%

Slate Path Capital LP 3.7%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Avoro Capital Advisors LLC	13D/G 13F Company 13D/G 13F	8.3%	$193,377,834 11,517,441 shares	-$8,581,554	30 Jun 2025
STATE STREET CORP	13D/G 13F STATE STREET CORPORATION · Company 13D/G 13F	4.6%	$106,970,030 6,371,056 shares	-$10,547,360	30 Jun 2025
BlackRock, Inc.	13F Company 13F	14%	$253,859,202 19,926,154 shares	—	31 Mar 2025
VANGUARD GROUP INC	13F Company 13F	9.4%	$168,200,640 13,202,562 shares	—	31 Mar 2025
Slate Path Capital LP	13F Company 13F	3.7%	$66,655,680 5,232,000 shares	—	31 Mar 2025
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F Company 13F	3.4%	$60,961,689 4,785,062 shares	—	31 Mar 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

279

105,716,035

Rows available

279

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders

258

Q2 2025 holders

279

Holder diff

Investor	Q1 2025 Shares	Q2 2025 Shares	Share Diff	Share Chg %	Q1 2025 value	Q2 2025 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend