Arrowhead PharmaceuticalsARWR

13F holders, Q2 2025 (June 30)
281holders +17
53new positions
37sold out
5famous investors
$15.81avg. 13F price*

At the end of Q2 2025, 281 institutions reported holding Arrowhead Pharmaceuticals Inc. (ARWR) in their 13F filings, up 17 from Q1 2025. 53 opened new positions and 37 sold out. The largest holders were BlackRock, Inc. ($306.9M), Vanguard Group Inc. ($245.3M) and Avoro Capital Advisors LLC ($167.5M). 5 famous investors held it, including Ken Fisher (0.0% of Fisher Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Cliff Asness (0.0% of AQR Capital Management'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 Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions53$47.8M
Exits37$22.3M

All 13F filers, Q1 2025 → Q2 2025: 12,704,743 shares bought and 11,634,921 shares sold, net +1,069,822 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 281 holders

BlackRock, Inc. 0.01% Reduce -2.5% 19,424,887 $306.9M
Vanguard Group Inc. 0.00% Add +17.6% 15,525,072 $245.3M
Avoro Capital Advisors LLC 2.93% Reduce -4.6% 10,600,000 $167.5M
State Street Corp. 0.00% Reduce -9.0% 6,371,056 $100.7M
Slate Path Capital LP 1.43% No change 5,232,000 $82.7M
FMR LLC 0.00% Add +56.0% 5,170,310 $81.7M
Geode Capital Management, LLC 0.00% Add +1.0% 2,978,505 $47.1M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% Reduce -43.9% 2,684,317 $42.4M
Siren, L.L.C. 2.18% No change 2,669,880 $42.2M
Marshall Wace, LLP 0.04% Add +3507.8% 2,155,998 $34.1M
Goldman Sachs Group Inc. 0.01% Add +21.4% 2,115,314 $33.4M
Norges Bank 0.00% Add +6.8% 1,924,957 $30.4M
Morgan Stanley 0.00% Reduce -7.8% 1,705,266 $26.9M
UBS Group AG 0.01% Reduce -1.6% 1,600,596 $25.3M
Northern Trust Corp. 0.00% Add +5.1% 1,272,066 $20.1M
Charles Schwab Investment Management Inc. 0.00% Add +13.1% 1,170,745 $18.5M
Aberdeen Group plc 0.03% Reduce -10.5% 960,245 $15.2M
Baker Bros. Advisors LP 0.14% New 939,174 $14.8M
T. Rowe Price Investment Management, Inc. 0.01% Reduce -67.5% 822,343 $13.0M
Western Financial Corp 6.95% No change 820,239 $13.0M
Bank of New York Mellon Corp 0.00% Add +5.4% 818,079 $12.9M
Invesco Ltd. 0.00% Add +142.8% 762,665 $12.1M
Woodline Partners LP 0.06% Add +32.7% 746,156 $11.8M
Bank of America Corp. 0.00% Reduce -21.8% 624,496 $9.9M
Privium Fund Management B.V. 2.13% Reduce -2.7% 612,214 $9.9M
Principal Financial Group Inc. 0.01% Reduce -0.9% 623,097 $9.8M
Trexquant Investment LP 0.09% New 503,654 $8.0M
Schonfeld Strategic Advisors LLC 0.06% Add +816.1% 482,055 $7.6M
Fisher Asset Management 0.00% Reduce -6.5% 451,655 $7.1M
Public Sector Pension Investment Board 0.03% Add +7.1% 428,386 $6.8M
Barclays PLC 0.00% Add +78.0% 409,603 $6.5M
JPMorgan Chase & Co. 0.00% Reduce -16.4% 407,644 $6.4M
Legal & General Group Plc 0.00% Add +3.1% 407,341 $6.4M
Royal Bank of Canada 0.00% Add +784.7% 400,210 $6.3M
Two Sigma Advisers, LP 0.01% Reduce -45.9% 391,800 $6.2M
Clearbridge Investments, LLC 0.00% Reduce -17.2% 380,886 $6.0M
Dimensional Fund Advisors LP 0.00% New 366,711 $5.8M
Rhumbline Advisers 0.00% Add +4.0% 359,997 $5.7M
Nuveen, LLC 0.00% Reduce -8.2% 310,354 $4.9M
Susquehanna International Group, LLP 0.01% Add +6.3% 307,745 $4.9M
Pictet Asset Management Holding SA 0.00% Reduce -3.7% 277,333 $4.5M
Silvercrest Asset Management Group LLC 0.03% Add +0.1% 280,177 $4.4M
Ameriprise Financial Inc. 0.00% Reduce -6.7% 267,027 $4.2M
Hudson Bay Capital Management LP 0.03% Add +22.0% 260,000 $4.1M
Johnson & Johnson 1.19% No change 247,598 $4.0M
Deutsche Bank AG 0.00% Reduce -5.8% 235,446 $3.7M
Capital Fund Management S.A. 0.04% Add +38.8% 226,365 $3.6M
Nordea Investment Management AB 0.00% Add +63.0% 213,345 $3.5M
Pinnacle Associates Ltd. 0.05% Add +49.9% 211,561 $3.3M
Swiss National Bank 0.00% Reduce -3.3% 209,800 $3.3M
Sphera Funds Management LTD. 0.84% Reduce -26.9% 202,996 $3.2M
Raymond James Financial Inc. 0.00% Add +350.1% 169,748 $2.7M
Millennium Management 0.00% Reduce -75.5% 169,041 $2.7M
Wealth Effects LLC 0.98% Reduce -2.9% 165,650 $2.6M
Alliancebernstein L.P. 0.00% Add +2.8% 159,070 $2.5M
PDT Partners, LLC 0.14% New 152,988 $2.4M
AQR Capital Management 0.00% Add +276.1% 152,351 $2.4M
Prudential Financial Inc. 0.00% Add +5.1% 130,290 $2.4M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -36.5% 151,275 $2.4M
New York State Teachers Retirement System 0.00% Add +0.1% 148,476 $2.3M
Rafferty Asset Management, LLC 0.01% Reduce -26.4% 141,925 $2.2M
Citigroup Inc. 0.00% Reduce -57.0% 140,786 $2.2M
Neo Ivy Capital Management 0.70% New 138,081 $2.2M
Two Sigma Investments, LP 0.00% Reduce -84.0% 133,403 $2.1M
Kornitzer Capital Management Inc. 0.04% No change 126,510 $2.0M
HighTower Advisors, LLC 0.00% Add +10.3% 123,941 $2.0M
Man Group plc 0.00% Add +203.8% 118,782 $1.9M
CANADA LIFE ASSURANCE Co 0.00% Reduce -1.6% 116,305 $1.8M
Platinum Investment Management Ltd. 0.12% Add +12.8% 111,022 $1.8M
California State Teachers Retirement System 0.00% Add +1.3% 103,976 $1.6M
Algert Global LLC 0.03% New 102,490 $1.6M
T. Rowe Price Associates Inc. 0.00% Add +8.0% 100,608 $1.6M
Ontario Teachers Pension Plan Board 0.03% Add +112.7% 97,338 $1.5M
Aquatic Capital Management LLC 0.03% Reduce -7.3% 93,879 $1.5M
Thrivent Financial for Lutherans 0.00% Reduce -0.2% 92,408 $1.5M
Franklin Resources Inc. 0.00% New 81,226 $1.3M
Pinion Investment Advisors, LLC 0.41% Reduce -50.0% 75,000 $1.2M
State of Alaska, Department of Revenue 0.01% Add +7.1% 74,819 $1.2M
Alps Advisors Inc. 0.01% New 74,497 $1.2M
Engineers Gate Manager LP 0.01% Add +83.4% 74,405 $1.2M
MetLife Investment Management, LLC 0.01% No change 71,963 $1.1M
Wells Fargo & Company 0.00% Add +1.5% 68,374 $1.1M
M28 Capital Management LP 1.82% No change 67,400 $1.1M
State of Wisconsin Investment Board 0.00% Reduce -2.4% 64,760 $1.0M
Arrowstreet Capital, Limited Partnership 0.00% New 64,200 $1.0M
Manufacturers Life Insurance Company, The 0.00% Reduce -2.6% 63,999 $1.0M
Citadel Advisors 0.00% Reduce -93.7% 62,245 $983K
Boothbay Fund Management, LLC 0.03% New 61,947 $979K
Intech Investment Management LLC 0.01% Reduce -26.3% 60,534 $956K
Bayforest Capital Ltd 0.41% New 59,403 $939K
Louisiana State Employees Retirement System 0.02% Reduce -1.2% 58,700 $927K
Commonwealth Equity Services, LLC 0.00% Add +74.8% 58,310 $921K
Los Angeles Capital Management LLC 0.00% New 57,948 $916K
Simplex Trading, LLC 0.02% Add +0.4% 57,307 $905K
ADAR1 Capital Management, LLC 0.14% Reduce -1.9% 55,200 $872K
State of Tennessee, Department of Treasury 0.00% Reduce -1.2% 54,550 $862K
Voya Investment Management LLC 0.00% Add +65.5% 53,264 $842K
King Luther Capital Management Corp. 0.00% Reduce -37.6% 52,140 $824K
Guggenheim Capital LLC 0.01% Reduce -4.6% 50,818 $803K
Janus Henderson Group PLC 0.00% No change 49,845 $788K
Ensign Peak Advisors, Inc 0.00% No change 48,541 $767K
Wellington Management Group LLP 0.00% Reduce -8.2% 48,285 $763K
Erste Asset Management GmbH 0.01% No change 47,000 $756K
Yousif Capital Management, LLC 0.01% Add +0.8% 47,735 $754K
Victory Capital Management Inc. 0.00% Add +5.3% 47,689 $753K
Qube Research & Technologies Ltd 0.00% Reduce -64.7% 46,659 $737K
Exchange Traded Concepts, LLC 0.01% Reduce -6.2% 46,205 $730K
Creative Planning 0.00% Add +72.5% 45,662 $721K
Comerica Bank 0.00% Add +2.6% 43,432 $686K
LPL Financial LLC 0.00% Add +57.5% 43,168 $682K
WINTON GROUP Ltd 0.03% New 41,778 $660K
DekaBank Deutsche Girozentrale 0.00% No change 37,844 $609K
EP Wealth Advisors, LLC 0.00% New 38,524 $609K
Handelsbanken Fonder AB 0.00% Reduce -9.5% 37,300 $589K
Maryland State Retirement & Pension System 0.01% No change 36,992 $584K
New York State Common Retirement Fund 0.00% No change 36,979 $584K
Marex Group Ltd 0.01% Add +27.6% 36,469 $576K
Tidal Investments LLC 0.00% Add +82.2% 35,775 $565K
Amalgamated Bank 0.00% Reduce -0.6% 35,543 $562K
Tema ETFs LLC 0.15% Add +18.3% 35,359 $559K
NEOS Investment Management LLC 0.01% Add +18.3% 35,359 $559K
Caption Management, LLC 0.05% Add +104.7% 35,000 $553K
US Bancorp \de 0.00% Add +3.9% 34,403 $544K
Independent Financial Group, LLC 0.01% Reduce -14.6% 33,985 $537K
Profund Advisors LLC 0.02% Reduce -22.5% 33,888 $535K
BNP Paribas Financial Markets 0.00% Reduce -59.2% 33,824 $534K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Reduce -0.2% 33,517 $530K
Teachers Retirement System of the State of Kentucky 0.00% Reduce -5.7% 32,955 $520K
AlphaQuest LLC 0.05% Add +30636.8% 32,581 $515K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS 0.00% Add +6.9% 32,265 $510K
ProShare Advisors LLC 0.00% Reduce -5.2% 32,176 $508K
Arizona State Retirement System 0.00% Reduce -0.1% 32,041 $506K
Oak Ridge Investments LLC 0.04% Reduce -5.4% 31,926 $504K
Y-Intercept (Hong Kong) Ltd 0.01% New 31,105 $491K
Edgestream Partners, L.P. 0.01% Reduce -89.9% 30,804 $487K
Edgewood Management LLC 0.00% No change 30,000 $474K
State Board of Administration of Florida Retirement System 0.00% No change 29,743 $470K
Teacher Retirement System of Texas 0.00% Reduce -1.7% 29,629 $468K
Oregon Public Employees Retirement Fund 0.01% Reduce -1.0% 28,584 $452K
China Universal Asset Management Co., Ltd. 0.04% Add +9.7% 27,737 $438K
Police & Firemen's Retirement System of New Jersey 0.00% Add +7.6% 27,339 $432K
Amundi 0.00% Add +372.9% 25,194 $426K
Assenagon Asset Management S.A. 0.00% Add +12.6% 25,569 $404K
Bank of Montreal 0.00% Add +24.0% 24,918 $394K
KLP Kapitalforvaltning As 0.00% Add +5.2% 24,300 $384K
Graham Capital Management, L.P. 0.01% New 24,063 $380K
Verition Fund Management LLC 0.00% Reduce -79.8% 23,331 $369K
Sherbrooke Park Advisers LLC 0.16% New 22,712 $359K
Jane Street Group, LLC 0.00% Reduce -44.2% 22,243 $351K
Pine Valley Investments Ltd Liability Co 0.02% Add +2.9% 21,481 $339K
Dynamic Technology Lab Private Ltd 0.04% Reduce -27.6% 19,533 $309K
Group One Trading LLC 0.01% New 19,354 $306K
Teza Capital Management LLC 0.22% New 18,961 $300K
Gotham Asset Management 0.00% New 18,863 $298K
Myecfo, LLC 0.14% No change 18,497 $292K
Focus Partners Wealth 0.00% Add +9.5% 17,795 $281K
Pathstone Holdings, LLC 0.00% New 17,635 $279K
Ieq Capital, LLC 0.00% New 17,189 $272K
Corient Private Wealth LP 0.00% New 17,056 $269K
Captrust Financial Advisors 0.00% Reduce -12.3% 17,039 $269K
Cantor Fitzgerald, L. P. 0.01% New 17,000 $269K
Empowered Funds, LLC 0.00% Add +10.5% 16,855 $266K
Wealth Enhancement Advisory Services, LLC 0.00% New 15,580 $262K
Mutual of America Capital Management LLC 0.00% Reduce -12.1% 16,144 $255K
Cerity Partners LLC 0.00% Add +43.2% 15,863 $251K
E Fund Management Co., Ltd. 0.01% Reduce -12.3% 15,801 $250K
Farallon Capital Management, L.L.C. 0.00% No change 15,800 $250K
Virtus Advisers, LLC 0.15% New 15,644 $247K
IFP Advisors, Inc 0.01% Reduce -6.0% 14,866 $241K
Cibc World Markets Corp. 0.00% Reduce -43.9% 14,865 $235K
DDFG, Inc 0.06% No change 14,728 $233K
Mitsubishi UFJ Asset Management Co., Ltd. 0.00% Add +1.6% 14,702 $232K
Public Employees Retirement Association of Colorado 0.00% No change 14,553 $230K
Wolverine Trading, LLC 0.01% Reduce -11.0% 14,240 $229K
World Investment Advisors 0.00% Reduce -25.8% 13,777 $218K
Pale Fire Capital SE 0.02% Add +11.1% 13,571 $214K
Moody LYNN Lieberson & Walker, LLC 0.01% New 13,500 $213K
Nomura Holdings Inc. 0.00% Add +19.4% 13,485 $213K
Sei Investments Co. 0.00% Add +3.5% 13,422 $212K
Advantage Alpha Capital Partners LP 0.06% New 12,938 $204K
Neuberger Berman Group LLC 0.00% New 12,652 $200K
Ameritas Investment Partners, Inc. 0.01% No change 12,489 $197K
Wealth Architects, LLC 0.02% Reduce -1.4% 12,261 $194K
Osaic Holdings, Inc. 0.00% Reduce -65.9% 11,873 $188K
Scotia Capital Inc. 0.00% New 11,795 $186K
Resona Asset Management Co.,Ltd. 0.00% Add +8.7% 11,218 $180K
Cwm, LLC 0.00% Add +159.4% 11,415 $180K
Arrowroot Family Office, LLC 0.08% — 11,300 $179K
Private Advisor Group, LLC 0.00% Add +0.4% 11,263 $178K
Scientech Research LLC 0.04% New 10,959 $173K
Tower Research Capital LLC (TRC) 0.00% Add +107.3% 10,622 $168K
PNC Financial Services Group, Inc. 0.00% Add +297.5% 10,598 $167K
NJ State Employees Deferred Compensation Plan 0.02% No change 10,500 $166K
Bryce Point Capital, LLC 0.14% New 10,409 $164K
Beaumont Financial Advisors, LLC 0.01% Add +1.7% 10,243 $162K
Wexford Capital LP 0.04% New 9,229 $146K
State of Wyoming 0.02% New 9,015 $142K
SG Americas Securities, LLC 0.00% Reduce -87.3% 8,698 $137K
Virtus Investment Advisers, LLC 0.03% Reduce -21.8% 5,797 $92K
Lazard Asset Management LLC 0.00% New 5,771 $91K
Mirae Asset Global Investments Co., Ltd. 0.00% Add +29.5% 5,335 $84K
KBC Group NV 0.00% Reduce -35.4% 4,749 $75K
Daiwa Securities Group Inc. 0.00% Add +883.3% 4,189 $66K
Atlantic Private Wealth, LLC 0.04% No change 4,000 $63K
GF Fund Management Co. LTD. 0.00% No change 3,186 $50K
Van Eck Associates Corp. 0.00% Reduce -2.1% 3,114 $49K
Nisa Investment Advisors, LLC 0.00% Add +75.9% 3,032 $48K
Russell Investments Group, Ltd. 0.00% Reduce -52.1% 2,696 $43K
Private Trust Co. NA 0.00% No change 1,836 $29K
Friedenthal Financial 0.01% No change 1,670 $26K
Leonteq Securities AG 0.00% New 1,630 $26K
GAMMA Investing LLC 0.00% Reduce -26.6% 1,597 $25K
Acadian Asset Management LLC 0.00% New 1,542 $24K
Fifth Third Bancorp 0.00% Add +189.8% 1,365 $22K
NewEdge Advisors, LLC 0.00% Reduce -0.1% 1,300 $21K
Total Investment Management Inc. 0.00% New 1,244 $20K
Johnson Financial Group, Inc. 0.00% No change 1,215 $19K
Elevation Point Wealth Partners, LLC 0.00% New 1,200 $19K
STRS Ohio 0.00% New 1,200 $19K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% New 1,048 $17K
EverSource Wealth Advisors, LLC 0.00% Add +305.7% 1,002 $16K
CIBC Private Wealth Group LLC 0.00% No change 1,000 $16K
Manchester Capital Management LLC 0.00% Add +123.0% 979 $15K
Bessemer Group Inc. 0.00% Add +274.4% 936 $15K
Costello Asset Management, INC 0.01% Reduce -5.0% 940 $15K
MAI Capital Management 0.00% Add +29.0% 903 $14K
Washington Trust Advisors, Inc. 0.00% No change 820 $13K
Jones Financial Companies LLLP 0.00% Add +4.5% 797 $13K
Sound Income Strategies, LLC 0.00% No change 805 $13K
MassMutual Private Wealth & Trust, FSB 0.00% Add +777.8% 711 $11K
S&T Bank 0.00% No change 686 $11K
Steward Partners Investment Advisory, LLC 0.00% No change 605 $10K
Allworth Financial LP 0.00% Add +43.1% 551 $9K
Clearstead Advisors, LLC 0.00% Add +52800.0% 529 $8K
Raiffeisen Bank International AG 0.00% No change 500 $8K
UMB Bank, n.a. 0.00% Add +29.7% 476 $8K
Signaturefd, LLC 0.00% Add +19.1% 462 $7K
Brooklyn Investment Group 0.00% Add +119.2% 456 $7K
Covestor Ltd 0.00% Add +0.4% 457 $7K
Rothschild Investment LLC 0.00% Add +400.0% 350 $6K
Sterling Capital Management LLC 0.00% Add +138.5% 291 $5K
Lanark Financial, Inc. 0.00% No change 305 $4K
Northwestern Mutual Wealth Management Co. 0.00% No change 234 $4K
Global Retirement Partners, LLC 0.00% — 227 $4K
Parallel Advisors, LLC 0.00% Add +262.7% 214 $3K
Private Wealth Management Group, LLC 0.00% New 206 $3K
Valley National Advisers Inc. 0.00% No change 200 $3K
Hantz Financial Services, Inc. 0.00% Add +810.5% 173 $3K
Tradewinds Capital Management, LLC 0.00% No change 185 $3K
Signature Resources Capital Management, LLC 0.00% No change 180 $3K
WPG Advisers, LLC 0.00% Add +53.9% 177 $3K
Prestige Wealth Management Group LLC 0.00% Add +153.8% 165 $3K
Clearstead Trust, LLC 0.00% New 152 $2K
Bernard Wealth Management Corp. 0.00% No change 125 $2K
Parkside Financial Bank & Trust 0.00% Reduce -67.5% 104 $2K
Arcadia Investment Management Corp. 0.00% No change 100 $2K
Activest Wealth Management 0.00% Add +0.0% 93 $1K
MV Capital Management, Inc. 0.00% Add +2966.7% 92 $1K
Versant Capital Management, Inc 0.00% New 87 $1K
Annis Gardner Whiting Capital Advisors, LLC 0.00% New 80 $1K
Smartleaf Asset Management LLC 0.00% Reduce -69.5% 74 $1K
Essential Partners LLC 0.00% — 73 $1K
Geneos Wealth Management Inc. 0.00% Reduce -20.6% 73 $1K
Avion Wealth 0.00% Add +157.1% 126 $1K
CENTRAL TRUST Co 0.00% No change 59 $933
Twin Peaks Wealth Advisors, LLC 0.00% New 49 $872
Principal Securities, Inc. 0.00% Add +170.0% 54 $853
Bare Financial Services, Inc 0.00% New 48 $758
Koesten, Hirschmann & Crabtree, INC. 0.00% New 47 $738
Farmers & Merchants Investments Inc. 0.00% No change 46 $727
Farther Finance Advisors, LLC 0.00% Reduce -72.1% 46 $727
Fortitude Family Office, LLC 0.00% New 38 $600
WealthTrak Capital Management LLC 0.00% New 30 $474
Harbour Investments, Inc. 0.00% No change 27 $427
SBI Securities Co., Ltd. 0.00% No change 22 $348
Huntington National Bank 0.00% New 18 $284
GPS Wealth Strategies Group, LLC 0.00% No change 18 $284
True Wealth Design, LLC 0.00% Reduce -64.7% 12 $190
National Bank of Canada 0.00% New 10 $158
Larson Financial Group LLC 0.00% New 9 $142
Abound Wealth Management 0.00% No change 8 $127

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