Arrowhead PharmaceuticalsARWR

13F holders, Q1 2025 (March 31)
264holders −5
41new positions
45sold out
5famous investors
$12.75avg. 13F price*

At the end of Q1 2025, 264 institutions reported holding Arrowhead Pharmaceuticals Inc. (ARWR) in their 13F filings, down 5 from Q4 2024. 41 opened new positions and 45 sold out. The largest holders were BlackRock, Inc. ($253.9M), Vanguard Group Inc. ($168.2M) and Avoro Capital Advisors LLC ($141.6M). 5 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio).

Company
Arrowhead Pharmaceuticals Inc.
CUSIP
04280A100
Latest filing quarter
Q2 2026

History

Number of 13F holders

0200400600 Q1 2024: 273Q1 2024Q2 2024: 272Q2 2024Q3 2024: 272Q3 2024Q4 2024: 269Q4 2024Q1 2025: 264Q1 2025Q2 2025: 281Q2 2025Q3 2025: 303Q3 2025Q4 2025: 401Q4 2025Q1 2026: 437Q1 2026Q2 2026: 501Q2 2026

Total Exit/New Position Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions41$20.1M
Exits45$36.2M

All 13F filers, Q4 2024 → Q1 2025: 16,187,414 shares bought and 10,678,282 shares sold, net +5,509,132 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 264 holders

BlackRock, Inc. 0.01% Add +23.2% 19,926,154 $253.9M
Vanguard Group Inc. 0.00% Add +8.4% 13,202,562 $168.2M
Avoro Capital Advisors LLC 2.21% No change 11,111,111 $141.6M
State Street Corp. 0.00% Add +16.3% 6,999,249 $89.2M
Slate Path Capital LP 1.20% No change 5,232,000 $66.7M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.02% Add +138.1% 4,785,062 $61.0M
FMR LLC 0.00% Reduce -35.0% 3,315,082 $42.2M
Geode Capital Management, LLC 0.00% Reduce -0.2% 2,950,312 $37.6M
Siren, L.L.C. 1.92% Reduce -8.0% 2,669,880 $34.0M
T. Rowe Price Investment Management, Inc. 0.02% Add +0.9% 2,528,982 $32.2M
Morgan Stanley 0.00% Add +20.3% 1,848,536 $23.6M
Norges Bank 0.00% Reduce -12.3% 1,802,584 $23.0M
Goldman Sachs Group Inc. 0.00% Add +34.6% 1,741,666 $22.2M
UBS Group AG 0.00% Add +24.6% 1,626,563 $20.7M
Northern Trust Corp. 0.00% Reduce -18.4% 1,210,813 $15.4M
Aberdeen Group plc 0.03% Add +138.4% 1,072,827 $13.7M
Charles Schwab Investment Management Inc. 0.00% Add +1.7% 1,035,290 $13.2M
Citadel Advisors 0.01% Add +168.2% 986,951 $12.6M
Two Sigma Investments, LP 0.02% Add +5.1% 835,174 $10.6M
Western Financial Corp 6.07% No change 820,239 $10.4M
Bank of America Corp. 0.00% Add +38.6% 798,200 $10.2M
Bank of New York Mellon Corp 0.00% Reduce -6.5% 776,039 $9.9M
Two Sigma Advisers, LP 0.02% Add +68.0% 723,800 $9.2M
Millennium Management 0.01% Reduce -24.5% 690,796 $8.8M
Privium Fund Management B.V. 2.09% Add +65.3% 629,214 $8.0M
Principal Financial Group Inc. 0.00% Add +117.8% 629,075 $8.0M
Woodline Partners LP 0.05% Reduce -33.1% 562,175 $7.2M
Aquilo Capital Management, LLC 18.90% Reduce -22.3% 550,130 $7.0M
JPMorgan Chase & Co. 0.00% Reduce -75.9% 487,671 $6.2M
Fisher Asset Management 0.00% Add +238.1% 483,253 $6.2M
Clearbridge Investments, LLC 0.01% New 459,854 $5.9M
Public Sector Pension Investment Board 0.02% New 399,870 $5.1M
Legal & General Group Plc 0.00% Add +61.1% 395,114 $5.0M
Rhumbline Advisers 0.00% Reduce -9.0% 345,979 $4.4M
Nuveen, LLC 0.00% — 337,878 $4.3M
Citigroup Inc. 0.00% Add +88.2% 327,310 $4.2M
Invesco Ltd. 0.00% Add +78.2% 314,080 $4.0M
Pictet Asset Management Holding SA 0.00% Add +1926.4% 288,030 $4.0M
Edgestream Partners, L.P. 0.13% Add +153.7% 305,507 $3.9M
Susquehanna International Group, LLP 0.01% Reduce -30.8% 289,376 $3.7M
Ameriprise Financial Inc. 0.00% Add +27.2% 286,231 $3.6M
Silvercrest Asset Management Group LLC 0.03% Reduce -0.3% 279,749 $3.6M
Sphera Funds Management LTD. 0.87% Add +40.5% 277,550 $3.5M
Deutsche Bank AG 0.00% Reduce -3.5% 249,989 $3.2M
Johnson & Johnson 0.92% No change 247,598 $3.2M
Squarepoint Ops LLC 0.01% Add +179.1% 240,175 $3.1M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.01% Reduce -1.8% 238,328 $3.0M
Barclays PLC 0.00% Reduce -26.4% 230,138 $2.9M
Swiss National Bank 0.00% Reduce -1.4% 216,900 $2.8M
Hudson Bay Capital Management LP 0.02% Add +21.8% 213,130 $2.7M
Rafferty Asset Management, LLC 0.01% Add +39.3% 192,791 $2.5M
Prudential Financial Inc. 0.00% Add +909.0% 123,955 $2.3M
Schroder Investment Management Group 0.00% Reduce -19.9% 165,122 $2.3M
Integral Health Asset Management, LLC 0.25% Reduce -36.4% 175,000 $2.2M
Wealth Effects LLC 0.91% Add +9.4% 170,550 $2.2M
Capital Fund Management S.A. 0.03% New 163,146 $2.1M
Alliancebernstein L.P. 0.00% Reduce -41.7% 154,770 $2.0M
Pinion Investment Advisors, LLC 0.42% Add +100.0% 150,000 $1.9M
New York State Teachers Retirement System 0.00% Add +6.9% 148,376 $1.9M
Pinnacle Associates Ltd. 0.03% New 141,162 $1.8M
Qube Research & Technologies Ltd 0.00% Add +11.1% 132,095 $1.7M
Nordea Investment Management AB 0.00% Reduce -1.0% 130,872 $1.7M
Kornitzer Capital Management Inc. 0.03% No change 126,510 $1.6M
Capital International Investors 0.00% No change 126,230 $1.6M
CANADA LIFE ASSURANCE Co 0.00% Add +17.5% 118,172 $1.5M
Verition Fund Management LLC 0.01% Add +250.7% 115,229 $1.5M
HighTower Advisors, LLC 0.00% Add +49.8% 112,417 $1.4M
California State Teachers Retirement System 0.00% Reduce -2.4% 102,675 $1.3M
State of New Jersey Common Pension Fund D 0.01% Reduce -9.1% 102,572 $1.3M
Aquatic Capital Management LLC 0.03% Reduce -40.2% 101,331 $1.3M
Balyasny Asset Management L.P. 0.00% Reduce -73.3% 99,723 $1.3M
Platinum Investment Management Ltd. 0.07% Add +11.3% 98,409 $1.3M
T. Rowe Price Associates Inc. 0.00% Add +22.9% 93,189 $1.2M
Walleye Capital LLC 0.01% Reduce -46.3% 93,041 $1.2M
Thrivent Financial for Lutherans 0.00% Add +216.6% 92,621 $1.2M
Jump Financial, LLC 0.02% Reduce -37.4% 88,204 $1.1M
King Luther Capital Management Corp. 0.01% Add +8.6% 83,590 $1.1M
BNP Paribas Financial Markets 0.00% Reduce -5.9% 82,823 $1.1M
Intech Investment Management LLC 0.01% Reduce -7.3% 82,153 $1.0M
HRT Financial LP 0.01% Reduce -5.8% 73,577 $937K
MetLife Investment Management, LLC 0.00% Reduce -49.0% 71,963 $917K
Gsa Capital Partners LLP 0.08% Add +514.4% 71,685 $913K
Magnetar Financial LLC 0.01% Add +389.8% 70,375 $897K
State of Alaska, Department of Revenue 0.01% Add +393.4% 69,870 $890K
SG Americas Securities, LLC 0.00% New 68,346 $871K
M28 Capital Management LP 1.18% No change 67,400 $859K
Wells Fargo & Company 0.00% Add +7.1% 67,340 $858K
CenterBook Partners LP 0.05% Reduce -80.9% 66,913 $852K
State of Wisconsin Investment Board 0.00% Add +0.4% 66,331 $845K
Tudor Investment Corporation 0.01% Reduce -1.3% 65,708 $837K
Manufacturers Life Insurance Company, The 0.00% Reduce -52.5% 65,685 $837K
Corebridge Financial, Inc. 0.00% Reduce -68.6% 62,556 $797K
Marshall Wace, LLP 0.00% Reduce -31.0% 59,760 $761K
Louisiana State Employees Retirement System 0.02% Add +72.2% 59,400 $757K
Simplex Trading, LLC 0.03% Add +250.1% 57,092 $727K
TD Asset Management Inc 0.00% Reduce -11.3% 56,606 $721K
ADAR1 Capital Management, LLC 0.14% Add +336.4% 56,300 $717K
Fox Run Management, L.L.C. 0.11% Add +5.8% 55,404 $706K
State of Tennessee, Department of Treasury 0.00% Add +79.6% 55,236 $704K
Janus Henderson Group PLC 0.00% No change 49,845 $689K
Guggenheim Capital LLC 0.01% Add +14.8% 53,258 $679K
Schonfeld Strategic Advisors LLC 0.00% Reduce -91.7% 52,620 $670K
Wellington Management Group LLP 0.00% Reduce -5.0% 52,614 $670K
Erste Asset Management GmbH 0.01% No change 47,000 $650K
Exchange Traded Concepts, LLC 0.01% Add +31.8% 49,247 $627K
Ensign Peak Advisors, Inc 0.00% No change 48,541 $618K
Yousif Capital Management, LLC 0.01% Add +5.2% 47,347 $603K
Ontario Teachers Pension Plan Board 0.01% New 45,769 $583K
Victory Capital Management Inc. 0.00% Add +99.2% 45,283 $577K
Royal Bank of Canada 0.00% Add +30.2% 45,239 $576K
Profund Advisors LLC 0.02% Add +43.5% 43,745 $557K
Comerica Bank 0.00% Add +17.9% 42,343 $539K
Handelsbanken Fonder AB 0.00% No change 41,200 $525K
DekaBank Deutsche Girozentrale 0.00% No change 37,844 $518K
Engineers Gate Manager LP 0.01% Reduce -42.0% 40,568 $517K
AQR Capital Management 0.00% New 40,506 $514K
Jane Street Group, LLC 0.00% Reduce -93.9% 39,882 $508K
Independent Financial Group, LLC 0.02% Add +4.1% 39,783 $507K
Man Group plc 0.00% New 39,099 $498K
Raymond James Financial Inc. 0.00% Add +8.9% 37,709 $480K
Maryland State Retirement & Pension System 0.01% New 36,992 $471K
New York State Common Retirement Fund 0.00% No change 36,979 $471K
Amalgamated Bank 0.00% Reduce -37.0% 35,744 $455K
Teachers Retirement System of the State of Kentucky 0.00% No change 34,942 $445K
Osaic Holdings, Inc. 0.00% Reduce -6.2% 34,815 $444K
ProShare Advisors LLC 0.00% Reduce -25.2% 33,927 $432K
Oak Ridge Investments LLC 0.04% Add +2.5% 33,734 $430K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Reduce -0.0% 33,596 $428K
Commonwealth Equity Services, LLC 0.00% Reduce -2.6% 33,364 $425K
US Bancorp \de 0.00% Reduce -4.1% 33,101 $422K
Voya Investment Management LLC 0.00% Reduce -40.2% 32,184 $410K
Arizona State Retirement System 0.00% Reduce -1.1% 32,082 $409K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS 0.00% Add +9.9% 30,176 $384K
Teacher Retirement System of Texas 0.00% Reduce -9.1% 30,143 $384K
Buffington Mohr McNeal 0.08% No change 30,000 $382K
Edgewood Management LLC 0.00% Add +50.0% 30,000 $382K
Tema ETFs LLC 0.11% Reduce -51.4% 29,893 $381K
NEOS Investment Management LLC 0.01% Reduce -51.4% 29,893 $381K
State Board of Administration of Florida Retirement System 0.00% No change 29,743 $379K
Oregon Public Employees Retirement Fund 0.01% Add +14.0% 28,884 $368K
Marex Group Ltd 0.01% New 28,583 $364K
LPL Financial LLC 0.00% Add +80.4% 27,405 $349K
Dynamic Technology Lab Private Ltd 0.05% Add +40.9% 26,969 $343K
Cibc World Markets Corp. 0.00% Add +137.1% 26,490 $337K
Creative Planning 0.00% Reduce -52.4% 26,468 $337K
Police & Firemen's Retirement System of New Jersey 0.00% No change 25,414 $324K
China Universal Asset Management Co., Ltd. 0.03% Reduce -4.1% 25,293 $322K
KLP Kapitalforvaltning As 0.00% No change 23,100 $294K
Assenagon Asset Management S.A. 0.00% Reduce -57.2% 22,701 $289K
Pine Valley Investments Ltd Liability Co 0.02% Add +5.8% 20,881 $266K
Bank of Montreal 0.00% Add +33.8% 20,100 $256K
Tidal Investments LLC 0.00% Reduce -7.6% 19,635 $250K
Captrust Financial Advisors 0.00% Add +13.8% 19,434 $248K
Quadrant Capital Group LLC 0.01% Add +1809.3% 19,169 $244K
World Investment Advisors 0.01% Reduce -1.1% 18,557 $236K
Myecfo, LLC 0.12% No change 18,497 $236K
Mutual of America Capital Management LLC 0.00% Reduce -72.0% 18,363 $234K
E Fund Management Co., Ltd. 0.01% New 18,017 $230K
Wolverine Trading, LLC 0.01% Add +54.1% 15,995 $221K
Caption Management, LLC 0.01% New 17,100 $218K
Focus Partners Wealth 0.00% Reduce -3.1% 16,252 $207K
IFP Advisors, Inc 0.01% Reduce -23.9% 15,813 $201K
Farallon Capital Management, L.L.C. 0.00% Reduce -97.5% 15,800 $201K
Bridgefront Capital, LLC 0.06% New 15,324 $195K
Empowered Funds, LLC 0.00% Add +6.9% 15,252 $194K
DDFG, Inc 0.05% No change 14,728 $188K
Public Employees Retirement Association of Colorado 0.00% No change 14,553 $185K
Mitsubishi UFJ Asset Management Co., Ltd. 0.00% Add +9.0% 14,476 $184K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% New 13,622 $174K
HSBC Holdings PLC 0.00% New 13,850 $173K
Walleye Trading LLC 0.00% Add +41.4% 13,158 $168K
Bayesian Capital Management, LP 0.03% New 13,000 $166K
Sei Investments Co. 0.00% New 12,962 $165K
Ameritas Investment Partners, Inc. 0.01% Reduce -67.1% 12,489 $159K
Wealth Architects, LLC 0.02% Add +2.7% 12,441 $158K
Gratus Wealth Advisors, LLC 0.03% No change 12,250 $156K
Pale Fire Capital SE 0.02% New 12,221 $156K
Nomura Holdings Inc. 0.00% Reduce -31.4% 11,294 $144K
Private Advisor Group, LLC 0.00% No change 11,216 $143K
Resona Asset Management Co.,Ltd. 0.00% Reduce -53.7% 10,318 $143K
Cerity Partners LLC 0.00% New 11,078 $141K
NJ State Employees Deferred Compensation Plan 0.02% No change 10,500 $134K
XTX Topco Ltd 0.01% New 10,421 $133K
Beaumont Financial Advisors, LLC 0.01% No change 10,075 $128K
Virtus Investment Advisers, LLC 0.03% New 7,415 $94K
KBC Group NV 0.00% Add +40.8% 7,356 $94K
Russell Investments Group, Ltd. 0.00% Reduce -96.9% 5,629 $72K
Tower Research Capital LLC (TRC) 0.00% Reduce -86.4% 5,123 $65K
Amundi 0.00% Reduce -0.6% 5,327 $64K
Aster Capital Management (DIFC) Ltd 0.01% New 3,190 $60K
Mirae Asset Global Investments Co., Ltd. 0.00% Reduce -0.6% 4,121 $57K
Cwm, LLC 0.00% Add +134.3% 4,401 $56K
Atlantic Private Wealth, LLC 0.04% No change 4,000 $51K
Van Eck Associates Corp. 0.00% Add +6.8% 3,182 $41K
GF Fund Management Co. LTD. 0.00% Add +21.9% 3,186 $41K
PNC Financial Services Group, Inc. 0.00% Reduce -23.5% 2,666 $34K
Coldstream Capital Management Inc. 0.00% New 2,380 $30K
GAMMA Investing LLC 0.00% Add +297.6% 2,175 $28K
Private Trust Co. NA 0.00% Add +15.8% 1,836 $23K
Nisa Investment Advisors, LLC 0.00% Add +7.2% 1,724 $22K
Friedenthal Financial 0.01% No change 1,670 $21K
NewEdge Advisors, LLC 0.00% No change 1,301 $17K
Caitong International Asset Management Co., Ltd 0.01% Reduce -47.2% 1,300 $17K
Johnson Financial Group, Inc. 0.00% New 1,215 $15K
Costello Asset Management, INC 0.01% No change 990 $13K
Jones Financial Companies LLLP 0.00% No change 763 $11K
Washington Trust Advisors, Inc. 0.00% No change 820 $10K
Sound Income Strategies, LLC 0.00% No change 805 $10K
CIBC Private Wealth Group LLC 0.00% No change 1,000 $10K
MAI Capital Management 0.00% No change 700 $9K
S&T Bank 0.00% New 686 $9K
Steward Partners Investment Advisory, LLC 0.00% No change 605 $8K
Picton Mahoney Asset Management 0.00% New 511 $7K
Raiffeisen Bank International AG 0.00% No change 500 $6K
SVB Wealth LLC 0.00% New 473 $6K
Fifth Third Bancorp 0.00% Reduce -65.6% 471 $6K
Covestor Ltd 0.00% Add +0.4% 455 $6K
Manchester Capital Management LLC 0.00% New 439 $6K
Allworth Financial LP 0.00% Add +100.5% 385 $5K
Daiwa Securities Group Inc. 0.00% No change 426 $5K
Signaturefd, LLC 0.00% Reduce -41.9% 388 $5K
Lindbrook Capital, LLC 0.00% Reduce -29.5% 377 $5K
UMB Bank, n.a. 0.00% Reduce -49.8% 367 $5K
Parkside Financial Bank & Trust 0.00% Add +6300.0% 320 $4K
Smartleaf Asset Management LLC 0.00% Reduce -55.0% 243 $3K
EverSource Wealth Advisors, LLC 0.00% Add +109.3% 247 $3K
Lanark Financial, Inc. 0.00% — 305 $3K
Bessemer Group Inc. 0.00% Add +2.9% 250 $3K
Northwestern Mutual Wealth Management Co. 0.00% Reduce -88.2% 234 $3K
High Note Wealth, LLC 0.00% New 209 $3K
Brooklyn Investment Group 0.00% Add +2871.4% 208 $3K
Tradewinds Capital Management, LLC 0.00% New 185 $2K
Signature Resources Capital Management, LLC 0.00% No change 180 $2K
Farther Finance Advisors, LLC 0.00% Add +275.0% 165 $2K
Valley National Advisers Inc. 0.00% No change 200 $2K
Bernard Wealth Management Corp. 0.00% No change 125 $2K
Sterling Capital Management LLC 0.00% No change 122 $2K
WPG Advisers, LLC 0.00% New 115 $1K
AlphaQuest LLC 0.00% New 106 $1K
Arcadia Investment Management Corp. 0.00% No change 100 $1K
Stonebridge Financial Group, LLC 0.00% No change 100 $1K
Geneos Wealth Management Inc. 0.00% New 92 $1K
MassMutual Private Wealth & Trust, FSB 0.00% Reduce -33.6% 81 $1K
Rothschild Investment LLC 0.00% Reduce -65.8% 70 $892
Physician Wealth Advisors, Inc. 0.00% New 68 $867
Prestige Wealth Management Group LLC 0.00% No change 65 $829
CENTRAL TRUST Co 0.00% No change 59 $752
Parallel Advisors, LLC 0.00% Reduce -94.8% 59 $752
Stephens Consulting, LLC 0.00% New 50 $637
Farmers & Merchants Investments Inc. 0.00% No change 46 $586
JFS Wealth Advisors, LLC 0.00% Reduce -30.4% 39 $497
True Wealth Design, LLC 0.00% New 34 $434
Principal Securities, Inc. 0.00% No change 20 $376
Harbour Investments, Inc. 0.00% No change 27 $344
Blue Trust, Inc. 0.00% New 27 $344
Bokf, NA 0.00% No change 22 $280
SBI Securities Co., Ltd. 0.00% Reduce -47.6% 22 $280
GPS Wealth Strategies Group, LLC 0.00% No change 18 $229
AdvisorNet Financial, Inc 0.00% No change 12 $153
Abound Wealth Management 0.00% New 8 $102
MV Capital Management, Inc. 0.00% Reduce -92.5% 3 $39
Clearstead Advisors, LLC 0.00% New 1 $13
Hantz Financial Services, Inc. 0.00% New 19 $0
Avion Wealth 0.00% New 49 $0

"% of holder's portfolio" is ARWR's weight in each manager's 13F, not the share of Arrowhead Pharmaceuticals Inc. the manager owns.