Updated
Arrowhead PharmaceuticalsARWR · Healthcare
$58.16+1.22%
Market cap$8.2B
IndustryBiotechnology

Arrowhead Pharmaceuticals (ARWR) Superinvestor holders

17 of the superinvestors we track hold Arrowhead Pharmaceuticals (ARWR) in their latest 13F filings, $659M in total.

Summary

The largest holder is Alger (Fred Alger Management), with $269M, 0.9% of the portfolio.

In their latest quarter: 4 opened a new position, 3 added, 9 trimmed.

Who holds it

Each investor's latest 13F filing, largest stake first. What a 13F shows.

InvestorLast changeSharesValue% of portfolioFiled for
Alger
Fred Alger Management
Trimmed 3,301,919$269M 0.9%Q2 2026
Brandon Haley
Holocene Advisors
New position 1,106,177$90M 0.2%Q2 2026
Ken Fisher
Fisher Investments
Trimmed 893,700$58M 0.0%Q3 2026
Two Sigma
Two Sigma Investments
Added 580,609$47M 0.0%Q2 2026
Jim Simons
Renaissance Technologies
Trimmed 468,921$38M 0.1%Q2 2026
David Shaw
D. E. Shaw & Co.
Trimmed 431,560$35M 0.0%Q2 2026
Artisan Partners New position 310,706$25M 0.0%Q2 2026
Paul Marshall
Marshall Wace
Added 305,031$25M 0.0%Q2 2026
Arrowstreet Capital Trimmed 218,133$18M 0.0%Q2 2026
Cliff Asness
AQR Capital Management
Added 198,842$16M 0.0%Q2 2026
WCM Investment Management Trimmed 171,232$14M 0.0%Q2 2026
Hersh Cohen
ClearBridge Investments
Trimmed 157,110$13M 0.0%Q2 2026
Alan Howard
Brevan Howard
New position 58,923$5M 0.1%Q2 2026
Ensign Peak
Ensign Peak Advisors
Trimmed 28,714$2M 0.0%Q2 2026
Alan Breed
Edgewood Management
Held 25,000$2M 0.0%Q2 2026
Joel Greenblatt
Gotham Asset Management
Trimmed 6,696$545,791 0.0%Q2 2026
Dan Davidowitz
Polen Capital Management
New position 6,612$538,944 0.0%Q2 2026

Holders by quarter

QuarterSuperinvestors holding it
Q2 202618
Q1 202617
Q4 202519
Q3 202513
Q2 202514
Q1 202511
Q4 20249
Q3 202410

Questions about Arrowhead Pharmaceuticals

Which superinvestors own Arrowhead Pharmaceuticals?

17 of the superinvestors we track hold Arrowhead Pharmaceuticals (ARWR) in their latest 13F filings, $659M in total. Alger, Brandon Haley, Ken Fisher, Two Sigma, Jim Simons, David Shaw.

Who is the largest superinvestor holder of ARWR?

The largest holder is Alger (Fred Alger Management), with $269M, 0.9% of the portfolio.

From Arrowhead Pharmaceuticals's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.

Investingly

Better research starts here.

Every filing, chart and insider trade behind Arrowhead Pharmaceuticals and thousands of other companies, in one place. Free to start.