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Arrowhead Pharmaceuticals, Inc.

ARWR
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0000879407

In the last 90 days, Arrowhead Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 2 sales; 501 institutions reported holding it in 13F filings for Q2 2026, worth $9.73B in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in Arrowhead Pharmaceuticals, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
401
+100 vs. Q3 2025
Shares held
116.0M
+5.08M (+4.6%) vs. Q3 2025
Total value
$7.70B
+$3.88B (+101.3%) vs. Q3 2025
New holders
127
125 more added
Sold out
27
110 more reduced

2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ARWR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 401 institutions
Q1 2021: 289 institutionsQ2 2021: 314 institutionsQ3 2021: 297 institutionsQ4 2021: 311 institutionsQ1 2022: 307 institutionsQ2 2022: 279 institutionsQ3 2022: 278 institutionsQ4 2022: 282 institutionsQ1 2023: 257 institutionsQ2 2023: 274 institutionsQ3 2023: 257 institutionsQ4 2023: 266 institutionsQ1 2024: 273 institutionsQ2 2024: 272 institutionsQ3 2024: 272 institutionsQ4 2024: 269 institutionsQ1 2025: 264 institutionsQ2 2025: 281 institutionsQ3 2025: 303 institutionsQ4 2025: 401 institutionsQ1 2026: 437 institutionsQ2 2026: 501 institutions
Value heldQ4 2025: $7.70B
Q1 2021: $4.55BQ2 2021: $5.54BQ3 2021: $4.16BQ4 2021: $4.51BQ1 2022: $3.19BQ2 2022: $2.54BQ3 2022: $2.35BQ4 2022: $2.97BQ1 2023: $1.85BQ2 2023: $2.57BQ3 2023: $2.01BQ4 2023: $2.37BQ1 2024: $2.76BQ2 2024: $2.54BQ3 2024: $1.90BQ4 2024: $1.88BQ1 2025: $1.34BQ2 2025: $1.67BQ3 2025: $3.83BQ4 2025: $7.70BQ1 2026: $7.58BQ2 2026: $9.73B
Institutions holding ARWR and their total value by quarter
QuarterHoldersValue
Q2 2026501$9.73B
Q1 2026437$7.58B
Q4 2025401$7.70B
Q3 2025303$3.83B
Q2 2025281$1.67B
Q1 2025264$1.34B
Q4 2024269$1.88B
Q3 2024272$1.90B
Q2 2024272$2.54B
Q1 2024273$2.76B
Q4 2023266$2.37B
Q3 2023257$2.01B
Q2 2023274$2.57B
Q1 2023257$1.85B
Q4 2022282$2.97B
Q3 2022278$2.35B
Q2 2022279$2.54B
Q1 2022307$3.19B
Q4 2021311$4.51B
Q3 2021297$4.16B
Q2 2021314$5.54B
Q1 2021289$4.55B

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Arrowhead Pharmaceuticals, Inc.; share changes are against Q3 2025.

Institutions holding ARWR in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Prelude Capital Management, LLC13,507$896.7K0.07%−15,151−52.9%Reduced
Baader Bank INC14,194$912.0K0.08%+14,194New
Public Employees Retirement Association of Colorado14,208$943.0K0.00%00.0%Unchanged
Summit Global Investments14,287$949.0K0.06%+4,353+43.8%Added
DekaBank Deutsche Girozentrale37,844$955.0K0.00%00.0%Unchanged
Virtus ETF Advisers LLC14,462$960.1K0.46%00.0%Unchanged
O'Shaughnessy Asset Management, LLC14,588$968.5K0.01%+5,097+53.7%Added
Bank of Montreal14,632$971.4K0.00%−189−1.3%Reduced
DDFG, Inc14,728$977.8K0.21%00.0%Unchanged
Virginia Retirement Systems Et Al15,050$999.2K0.01%+50+0.3%Added
Acadian Asset Management LLC15,306$1.01M0.00%+15,306New
Farallon Capital Management, L.L.C.15,800$1.05M0.01%00.0%Unchanged
Mutual of America Capital Management LLC15,802$1.05M0.01%+315+2.0%Added
Oxford Asset Management LLP16,026$1.06M0.38%+1,630+11.3%Added
Independent Financial Group, LLC16,050$1.07M0.02%−875−5.2%Reduced
Cinctive Capital Management LP16,110$1.07M0.06%+16,110New
Exchange Traded Concepts, LLC17,298$1.15M0.01%−13,642−44.1%Reduced
Captrust Financial Advisors17,644$1.17M0.00%−2,178−11.0%Reduced
Empowered Funds, LLC18,018$1.20M0.02%+779+4.5%Added
CI Private Wealth, LLC18,226$1.21M0.00%+551+3.1%Added
Teacher Retirement System of Texas18,398$1.22M0.00%−8,641−32.0%Reduced
Pine Valley Investments Ltd Liability Co18,479$1.23M0.06%−2,975−13.9%Reduced
Myecfo, LLC18,497$1.23M0.52%00.0%Unchanged
Allianz Asset Management GmbH18,900$1.25M0.00%+8,600+83.5%Added
Bank of Hawaii19,218$1.28M0.06%+19,218New
Engineers Gate Manager LP19,772$1.31M0.02%+19,772New
Schonfeld Strategic Advisors LLC20,105$1.33M0.01%−523,811−96.3%Reduced
Wealth Enhancement Advisory Services, LLC18,961$1.34M0.00%+3,878+25.7%Added
Maryland State Retirement & Pension System20,241$1.34M0.03%+365+1.8%Added
Colony Group, LLC20,300$1.35M0.00%−1,810−8.2%Reduced
B. Metzler seel. Sohn & Co. AG20,695$1.37M0.01%+20,695New
Pathstone Holdings, LLC20,909$1.39M0.01%+2,847+15.8%Added
Cerity Partners LLC21,140$1.40M0.00%+7,239+52.1%Added
Vestmark Advisory Solutions, Inc.21,285$1.41M0.02%+21,285New
Moody Lynn & Lieberson, LLC22,000$1.46M0.08%+8,500+63.0%Added
Ensign Peak Advisors, Inc23,336$1.55M0.00%+1,745+8.1%Added
Edgewood Management LLC25,000$1.66M0.01%−5,000−16.7%Reduced
Amundi26,390$1.75M0.00%−1,766−6.3%Reduced
Envestnet Asset Management Inc26,874$1.78M0.00%+12,046+81.2%Added
Entropy Technologies, LP27,139$1.80M0.10%+16,666+159.1%Added
Sanctuary Advisors, LLC27,347$1.82M0.01%+27,347New
KLP Kapitalforvaltning AS27,400$1.82M0.01%+3,100+12.8%Added
Canada Pension Plan Investment Board28,600$1.90M0.00%+28,600New
Susquehanna International Group, LLP28,911$1.92M0.00%+21,783+305.6%Added
State Board of Administration of Florida Retirement System29,649$1.97M0.00%−94−0.3%Reduced
China Universal Asset Management Co., Ltd.30,130$2.00M0.15%−12,104−28.7%Reduced
Oak Ridge Investments LLC30,687$2.04M0.12%−849−2.7%Reduced
Comerica Bank31,183$2.07M0.01%−7,777−20.0%Reduced
STRS Ohio31,500$2.09M0.01%+21,200+205.8%Added
Oregon Public Employees Retirement Fund31,614$2.10M0.03%+430+1.4%Added
Fieldview Capital Management, LLC31,665$2.10M0.36%+31,665New
ProShare Advisors LLC31,855$2.11M0.00%+3,897+13.9%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys34,228$2.27M0.01%−982−2.8%Reduced
US Bancorp34,543$2.29M0.00%+151+0.4%Added
Teachers Retirement System of the State of Kentucky34,787$2.31M0.02%+1,832+5.6%Added
Arizona State Retirement System34,883$2.32M0.01%+2,222+6.8%Added
Police & Firemen's Retirement System of New Jersey35,619$2.36M0.02%+1,590+4.7%Added
Kornitzer Capital Management Inc35,780$2.38M0.05%+35,780New
Panagora Asset Management Inc35,955$2.39M0.01%+35,955New
Edgestream Partners, L.P.36,481$2.42M0.07%+36,481New
Profund Advisors LLC36,542$2.43M0.07%+7,108+24.1%Added
Yousif Capital Management, LLC38,125$2.49M0.03%−5,441−12.5%Reduced
Natixis Advisors, L.P.37,595$2.50M0.00%−18,049−32.4%Reduced
SBI Okasan Asset Management Co.Ltd.36,500$2.54M0.14%+36,500New
Handelsbanken Fonder AB38,600$2.56M0.01%+1,300+3.5%Added
Fideuram - Intesa Sanpaolo Private Banking S.P.A.38,647$2.57M0.09%+38,647New
EP Wealth Advisors, LLC38,683$2.57M0.01%+38,683New
Zurcher Kantonalbank (Zurich Cantonalbank)39,365$2.61M0.01%+2,590+7.0%Added
Magnetar Financial LLC39,901$2.65M0.03%+39,901New
Amalgamated Bank40,008$2.66M0.02%+595+1.5%Added
Nomura Asset Management International Inc.40,129$2.66M0.00%+40,129New
BNP Paribas Arbitrage, SA40,398$2.68M0.00%−10,566−20.7%Reduced
Boothbay Fund Management, LLC40,504$2.69M0.07%−42,884−51.4%Reduced
New York State Common Retirement Fund41,879$2.78M0.00%+4,700+12.6%Added
ExodusPoint Capital Management, LP42,011$2.79M0.03%−110,316−72.4%Reduced
State of New Jersey Common Pension Fund D42,471$2.82M0.01%+42,471New
Voleon Capital Management LP42,523$2.82M0.06%+42,523New
Citigroup Inc42,743$2.84M0.00%−8,839−17.1%Reduced
Intech Investment Management LLC42,943$2.85M0.03%+6,561+18.0%Added
Caption Management, LLC44,900$2.98M0.13%+44,900New
Millennium Management LLC45,018$2.99M0.00%−64,789−59.0%Reduced
Orion Investment Co46,370$3.08M0.94%+46,370New
Wellington Management Group LLP47,473$3.15M0.00%−1,969−4.0%Reduced
Exome Asset Management LLC49,758$3.30M1.63%−54,749−52.4%Reduced
SG Americas Securities, LLC50,299$3.34M0.00%+5,233+11.6%Added
Royal Bank of Canada51,196$3.40M0.00%+10,514+25.8%Added
Bessemer Group Inc51,795$3.44M0.01%+50,727+4,749.7%Added
Commonwealth Equity Services, LLC55,673$3.70M0.00%−10,326−15.6%Reduced
TD Asset Management Inc55,800$3.70M0.00%+55,800New
Gotham Asset Management, LLC56,273$3.74M0.01%+24,410+76.6%Added
Guggenheim Capital LLC56,644$3.76M0.03%+16,283+40.3%Added
Keystone Investors Pte Ltd57,900$3.84M0.35%+57,900New
State of Tennessee, Treasury Department55,642$3.86M0.01%+1,092+2.0%Added
ADAR1 Capital Management, LLC58,200$3.86M0.29%+8,400+16.9%Added
Algert Global LLC58,720$3.90M0.06%−22,590−27.8%Reduced
Bridgewater Associates, LP59,966$3.98M0.01%+59,966New
King Luther Capital Management Corp60,475$4.01M0.02%−20,165−25.0%Reduced
Louisiana State Employees Retirement System63,300$4.20M0.07%−300−0.5%Reduced
M28 Capital Management LP67,400$4.47M3.25%00.0%Unchanged
Affinity Asset Advisors, LLC70,000$4.65M0.33%+70,000New