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 339 institutions that hold shares in the stock, with a total of 103 Million shares, which have been reported (via 13F filing form) to have a value of $4.25 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Vanguard Group Inc
Valley Forge, PA |
Nov 07, 2025 Q3 2025 |
16,035,870
shares
|
$662 Million
0.01% of portfolio
|
Q3 2025
Added 3.29%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
15,683,206
shares
|
$647 Million
0.01% of portfolio
|
Q2 2024
Added 2.19%
|
|
|
Avoro Capital Advisors LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
10,900,000
shares
|
$450 Million
5.14% of portfolio
|
Q3 2025
Added 2.83%
|
|
|
State Street Corp
Boston, MA |
Nov 14, 2025 Q3 2025 |
6,397,364
shares
|
$264 Million
0.01% of portfolio
|
Q3 2025
Added 0.41%
|
|
|
Slate Path Capital LP
New York, NY |
Nov 14, 2025 Q3 2025 |
4,982,000
shares
|
$206 Million
3.21% of portfolio
|
Q3 2025
Reduced 4.78%
|
|
|
Geode Capital Management, LLC
Boston, MA |
Nov 12, 2025 Q3 2025 |
3,131,042
shares
|
$129 Million
0.01% of portfolio
|
Q3 2025
Added 5.12%
|
|
|
Siren, L.L.C.
New York, NY |
Nov 13, 2025 Q3 2025 |
2,669,880
shares
|
$110 Million
3.6% of portfolio
|
Q1 2025
Reduced 7.99%
|
|
|
Driehaus Capital Management LLC
Chicago, IL |
Nov 14, 2025 Q3 2025 |
2,099,398
shares
|
$86.6 Million
0.61% of portfolio
|
Q3 2025
New holding
|
|
|
Arrowstreet Capital, Limited Partnership
Boston, MA |
Nov 13, 2025 Q3 2025 |
2,081,689
shares
|
$85.9 Million
0.05% of portfolio
|
Q3 2025
Added 3142.51%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Nov 14, 2025 Q3 2025 |
1,773,878
shares
|
$73.2 Million
0.01% of portfolio
|
Q3 2025
Reduced 16.14%
|
|
|
Ubs Asset Management Americas Inc
Chicago, IL |
Nov 14, 2025 Q3 2025 |
1,759,489
shares
|
$72.6 Million
0.01% of portfolio
|
Q3 2025
Reduced 34.45%
|
|
|
Morgan Stanley
New York, NY |
Nov 14, 2025 Q3 2025 |
1,702,674
shares
|
$70.3 Million
0.0% of portfolio
|
Q3 2025
Reduced 0.15%
|
|
|
Baker Bros. Advisors LP
New York, NY |
Nov 14, 2025 Q3 2025 |
1,670,762
shares
|
$68.9 Million
0.47% of portfolio
|
Q3 2025
Added 77.9%
|
|
|
Credit Suisse Ag
Zurich, V8 |
May 10, 2024 Q1 2024 |
1,626,513
shares
|
$67.1 Million
0.05% of portfolio
|
Q1 2024
Reduced 6.81%
|
|
|
Marshall Wace, LLP
London, X0 |
Nov 13, 2025 Q3 2025 |
1,436,840
shares
|
$59.3 Million
0.05% of portfolio
|
Q3 2025
Reduced 33.36%
|
|
|
Charles Schwab Investment Management Inc
San Francisco, CA |
Nov 10, 2025 Q3 2025 |
1,345,860
shares
|
$55.5 Million
0.01% of portfolio
|
Q3 2025
Added 14.96%
|
|
|
Northern Trust Corp
Chicago, IL |
Nov 14, 2025 Q3 2025 |
1,311,590
shares
|
$54.1 Million
0.01% of portfolio
|
Q3 2025
Added 3.11%
|
|
|
Ken Fisher
Fisher Asset Management, LLC | Camas, Wa
|
Nov 12, 2025 Q3 2025 |
1,053,794
shares
|
$43.5 Million
0.01% of portfolio
|
Q3 2025
Added 133.32%
|
|
|
Woodline Partners LP
San Francisco, CA |
Nov 14, 2025 Q3 2025 |
1,000,158
shares
|
$41.3 Million
0.18% of portfolio
|
Q3 2025
Added 34.04%
|
|
|
Deerfield Management Company, L.P. (Series C)
New York, NY |
Nov 14, 2025 Q3 2025 |
993,000
shares
|
$41 Million
0.64% of portfolio
|
Q3 2025
New holding
|
|
|
Janus Henderson Group PLC
London, X0 |
Nov 14, 2025 Q3 2025 |
973,567
shares
|
$40.2 Million
0.02% of portfolio
|
Q3 2025
Added 1853.19%
|
|
|
Ubs Group Ag
|
Nov 13, 2025 Q3 2025 |
918,183
shares
|
$37.9 Million
0.01% of portfolio
|
Q3 2025
Reduced 42.63%
|
|
|
Western Financial Corporation
|
Nov 03, 2022 Q3 2022 |
820,320
shares
|
$33.8 Million
18.96% of portfolio
|
Q2 2022
Added 0.0%
|
|
|
Western Financial Corp/Ca
San Diego, CA |
Oct 21, 2025 Q3 2025 |
820,239
shares
|
$33.8 Million
12.31% of portfolio
|
Q3 2023
Reduced 0.01%
|
|
|
Balyasny Asset Management LLC
Chicago, IL |
Nov 14, 2025 Q3 2025 |
792,966
shares
|
$32.7 Million
0.04% of portfolio
|
Q3 2025
New holding
|
|