Institutional Ownership Arrowhead Pharmaceuticals, Inc. (ARWR)
This table provides information about the institutional ownership of Arrowhead Pharmaceuticals, Inc. (ARWR). We have compiled data on the 316 institutions that hold shares in the stock, with a total of 99 Million shares, which have been reported (via 13F filing form) to have a value of $1.76 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
15,683,206
shares
|
$279 Million
0.01% of portfolio
|
Q2 2024
Added 2.19%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
Aug 11, 2025 Q2 2025 |
15,525,072
shares
|
$276 Million
0.0% of portfolio
|
Q2 2025
Added 17.59%
|
|
|
Avoro Capital Advisors LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
10,600,000
shares
|
$189 Million
3.05% of portfolio
|
Q2 2025
Reduced 4.6%
|
|
|
State Street Corp
Boston, MA |
Aug 14, 2025 Q2 2025 |
6,371,056
shares
|
$113 Million
0.0% of portfolio
|
Q2 2025
Reduced 8.98%
|
|
|
Slate Path Capital LP
New York, NY |
Aug 14, 2025 Q2 2025 |
5,232,000
shares
|
$93.1 Million
1.65% of portfolio
|
Q4 2024
Added 7.1%
|
|
|
Geode Capital Management, LLC
Boston, MA |
Aug 08, 2025 Q2 2025 |
2,978,505
shares
|
$53 Million
0.0% of portfolio
|
Q2 2025
Added 0.96%
|
|
|
Ubs Asset Management Americas Inc
Chicago, IL |
Aug 14, 2025 Q2 2025 |
2,684,317
shares
|
$47.8 Million
0.01% of portfolio
|
Q2 2025
Reduced 43.9%
|
|
|
Siren, L.L.C.
New York, NY |
Aug 13, 2025 Q2 2025 |
2,669,880
shares
|
$47.5 Million
2.18% of portfolio
|
Q1 2025
Reduced 7.99%
|
|
|
Marshall Wace, LLP
London, X0 |
Aug 13, 2025 Q2 2025 |
2,155,998
shares
|
$38.4 Million
0.04% of portfolio
|
Q2 2025
Added 3507.76%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Aug 14, 2025 Q2 2025 |
2,115,314
shares
|
$37.7 Million
0.0% of portfolio
|
Q2 2025
Added 21.45%
|
|
|
Norges Bank
Oslo, Q8 |
Aug 13, 2025 Q2 2025 |
1,924,957
shares
|
$34.3 Million
0.0% of portfolio
|
Q2 2025
New holding
|
|
|
Morgan Stanley
New York, NY |
Aug 15, 2025 Q2 2025 |
1,705,266
shares
|
$30.4 Million
0.0% of portfolio
|
Q2 2025
Reduced 7.75%
|
|
|
Credit Suisse Ag
Zurich, V8 |
May 10, 2024 Q1 2024 |
1,626,513
shares
|
$29 Million
0.05% of portfolio
|
Q1 2024
Reduced 6.81%
|
|
|
Ubs Group Ag
|
Aug 14, 2025 Q2 2025 |
1,600,596
shares
|
$28.5 Million
0.0% of portfolio
|
Q2 2025
Reduced 1.6%
|
|
|
Northern Trust Corp
Chicago, IL |
Aug 13, 2025 Q2 2025 |
1,272,066
shares
|
$22.6 Million
0.0% of portfolio
|
Q2 2025
Added 5.06%
|
|
|
Charles Schwab Investment Management Inc
San Francisco, CA |
Aug 12, 2025 Q2 2025 |
1,170,745
shares
|
$20.8 Million
0.0% of portfolio
|
Q2 2025
Added 13.08%
|
|
|
Abrdn PLC
|
Jul 24, 2025 Q2 2025 |
960,245
shares
|
$17.1 Million
0.03% of portfolio
|
Q2 2025
Reduced 10.49%
|
|
|
Baker Bros. Advisors LP
New York, NY |
Aug 14, 2025 Q2 2025 |
939,174
shares
|
$16.7 Million
0.15% of portfolio
|
Q2 2025
New holding
|
|
|
T. Rowe Price Investment Management, Inc.
Baltimore, MD |
Aug 14, 2025 Q2 2025 |
822,343
shares
|
$14.6 Million
0.01% of portfolio
|
Q2 2025
Reduced 67.48%
|
|
|
Western Financial Corporation
|
Nov 03, 2022 Q3 2022 |
820,320
shares
|
$14.6 Million
18.96% of portfolio
|
Q2 2022
Added 0.0%
|
|
|
Western Financial Corp/Ca
San Diego, CA |
Jul 16, 2025 Q2 2025 |
820,239
shares
|
$14.6 Million
6.95% of portfolio
|
Q3 2023
Reduced 0.01%
|
|
|
Invesco Ltd.
Atlanta, GA |
Aug 13, 2025 Q2 2025 |
762,665
shares
|
$13.6 Million
0.0% of portfolio
|
Q2 2025
Added 142.83%
|
|
|
Woodline Partners LP
San Francisco, CA |
Aug 14, 2025 Q2 2025 |
746,156
shares
|
$13.3 Million
0.07% of portfolio
|
Q2 2025
Added 32.73%
|
|
|
Bank Of America Corp
Charlotte, NC |
Aug 14, 2025 Q2 2025 |
624,496
shares
|
$11.1 Million
0.0% of portfolio
|
Q2 2025
Reduced 21.76%
|
|
|
Principal Financial Group Inc
Des Moines, IA |
Aug 08, 2025 Q2 2025 |
623,097
shares
|
$11.1 Million
0.01% of portfolio
|
Q2 2025
Reduced 0.95%
|