Arrowhead Pharmaceuticals Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:ARWR Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
11 Apr 25	SellUS$1,533,337	Christopher Anzalone	Individual	141,122	US$11.76
13 Mar 25	SellUS$774,975	Christopher Anzalone	Individual	51,425	US$15.07
07 Jan 25	SellUS$196,900	Kenneth Myszkowski	Individual	10,000	US$19.69
18 Dec 24	SellUS$567,486	Christopher Anzalone	Individual	26,712	US$22.12

Insider Trading Volume

Insider Buying: ARWR insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of ARWR?
Owner Type	Number of Shares	Ownership Percentage
State or Government	30,748	0.0244%
Individual Insiders	6,038,285	4.79%
Hedge Funds	12,028,552	9.54%
General Public	16,679,420	13.2%
Institutions	91,321,106	72.4%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 71.12% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
15.1%	BlackRock, Inc.	19,012,855	US$257.1m	17.5%	no data
9.66%	The Vanguard Group, Inc.	12,184,289	US$164.7m	-0.37%	no data
9.54%	Avoro Capital Advisors LLC	12,028,552	US$162.6m	35.3%	2.5%
4.77%	State Street Global Advisors, Inc.	6,016,227	US$81.3m	-5.32%	no data
4.15%	Slate Path Capital LP	5,232,000	US$70.7m	7.1%	1.38%
4.04%	FMR LLC	5,096,607	US$68.9m	-16%	no data
3.11%	Christopher Anzalone	3,921,255	US$53.0m	3.85%	no data
2.63%	UBS Asset Management AG	3,315,458	US$44.8m	27.7%	no data
2.34%	Geode Capital Management, LLC	2,954,947	US$40.0m	-0.31%	no data
2.3%	Invus Financial Advisors, LLC	2,901,681	US$39.2m	18%	2.17%
2.05%	T. Rowe Price Group, Inc.	2,583,154	US$34.9m	-29.3%	no data
1.63%	Norges Bank Investment Management	2,054,364	US$27.8m	29.6%	no data
1.18%	Northern Trust Global Investments	1,484,419	US$20.1m	11.4%	no data
1.09%	JP Morgan Asset Management	1,374,490	US$18.6m	-25.7%	no data
1.03%	Morgan Stanley, Investment Banking and Brokerage Investments	1,302,803	US$17.6m	-9.02%	no data
0.81%	Charles Schwab Investment Management, Inc.	1,017,720	US$13.8m	0%	no data
0.8%	Goldman Sachs Group, Investment Banking and Securities Investments	1,013,816	US$13.7m	0%	0.01%
0.73%	Millennium Management LLC	914,550	US$12.4m	41.7%	0.01%
0.67%	Woodline Partners LP	840,174	US$11.4m	-2.96%	0.08%
0.65%	BNY Asset Management	821,617	US$11.1m	-4.27%	no data
0.65%	Western Financial Corporation	820,239	US$11.1m	0%	6.28%
0.63%	Two Sigma Investments, LP	794,373	US$10.7m	281%	0.03%
0.56%	Aquilo Capital Management, LLC	707,589	US$9.6m	-11.1%	19.89%
0.52%	Jane Street Group, LLC, Asset Management Arm	656,256	US$8.9m	41.5%	0.01%
0.5%	Schonfeld Strategic Advisors LLC	632,214	US$8.5m	63.1%	0.06%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/04/29 11:02
End of Day Share Price	2025/04/29 00:00
Earnings	2024/12/31
Annual Earnings	2024/09/30

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Arrowhead Pharmaceuticals, Inc. is covered by 29 analysts. 15 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Ishan Majumdar	Baptista Research
Ying Huang	Barclays
Jason Matthew Gerberry	BofA Global Research