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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, Q2 2025

Institutional positions in Arrowhead Pharmaceuticals, Inc. as of Jun 30, 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
281
+19 vs. Q1 2025
Shares held
105.8M
+531.3K (+0.5%) vs. Q1 2025
Total value
$1.67B
+$329.9M (+24.6%) vs. Q1 2025
New holders
57
98 more added
Sold out
38
81 more reduced

2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 281 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 heldQ2 2025: $1.67B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Arrowhead Pharmaceuticals, Inc.; share changes are against Q1 2025.

Institutions holding ARWR in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Neuberger Berman Group LLC12,652$199.9K0.00%+12,652New
Advantage Alpha Capital Partners LP12,938$204.4K0.06%+12,938New
SEI Investments Co13,422$212.1K0.00%+460+3.5%Added
Nomura Holdings Inc13,485$213.1K0.00%+2,191+19.4%Added
Moody Lynn & Lieberson, LLC13,500$213.3K0.01%+13,500New
Pale Fire Capital SE13,571$214.4K0.02%+1,350+11.0%Added
Pensionmark Financial Group, LLC13,777$217.7K0.00%−4,780−25.8%Reduced
Wolverine Trading, LLC14,240$229.0K0.01%−1,755−11.0%Reduced
Public Employees Retirement Association of Colorado14,553$230.0K0.00%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.14,702$232.3K0.00%+226+1.6%Added
DDFG, Inc14,728$232.7K0.06%00.0%Unchanged
CIBC World Markets Corp14,865$234.9K0.00%−11,625−43.9%Reduced
IFP Advisors, Inc14,866$240.8K0.01%−947−6.0%Reduced
Virtus ETF Advisers LLC15,644$247.2K0.15%+15,644New
Farallon Capital Management, L.L.C.15,800$249.6K0.00%00.0%Unchanged
E Fund Management Co., Ltd.15,801$249.7K0.01%−2,216−12.3%Reduced
Cerity Partners LLC15,863$250.6K0.00%+4,785+43.2%Added
Mutual of America Capital Management LLC16,144$255.1K0.00%−2,219−12.1%Reduced
Wealth Enhancement Advisory Services, LLC15,580$261.6K0.00%+15,580New
Empowered Funds, LLC16,855$266.3K0.00%+1,603+10.5%Added
Cantor Fitzgerald, L. P.17,000$268.6K0.01%+17,000New
Captrust Financial Advisors17,039$269.2K0.00%−2,395−12.3%Reduced
CI Private Wealth, LLC17,056$269.5K0.00%+17,056New
Ieq Capital, LLC17,189$271.6K0.00%+17,189New
Pathstone Holdings, LLC17,635$278.6K0.00%+17,635New
Colony Group, LLC17,795$281.2K0.00%+1,543+9.5%Added
Myecfo, LLC18,497$292.3K0.14%00.0%Unchanged
Gotham Asset Management, LLC18,863$298.0K0.00%+18,863New
Teza Capital Management LLC18,961$299.6K0.22%+18,961New
Group One Trading, L.P.19,354$305.8K0.01%+19,354New
Dynamic Technology Lab Private Ltd19,533$309.0K0.04%−7,436−27.6%Reduced
Pine Valley Investments Ltd Liability Co21,481$339.4K0.02%+600+2.9%Added
Jane Street Group, LLC22,243$351.4K0.00%−17,639−44.2%Reduced
Sherbrooke Park Advisers LLC22,712$358.9K0.16%+22,712New
Verition Fund Management LLC23,331$368.6K0.00%−91,898−79.8%Reduced
Graham Capital Management, L.P.24,063$380.2K0.01%+24,063New
KLP Kapitalforvaltning AS24,300$383.9K0.00%+1,200+5.2%Added
Bank of Montreal24,918$393.7K0.00%+4,818+24.0%Added
Assenagon Asset Management S.A.25,569$404.0K0.00%+2,868+12.6%Added
Amundi25,194$425.8K0.00%+19,867+372.9%Added
Police & Firemen's Retirement System of New Jersey27,339$432.0K0.00%+1,925+7.6%Added
China Universal Asset Management Co., Ltd.27,737$438.2K0.04%+2,444+9.7%Added
Oregon Public Employees Retirement Fund28,584$451.6K0.01%−300−1.0%Reduced
Teacher Retirement System of Texas29,629$468.1K0.00%−514−1.7%Reduced
State Board of Administration of Florida Retirement System29,743$469.9K0.00%00.0%Unchanged
Edgewood Management LLC30,000$474.0K0.00%00.0%Unchanged
Edgestream Partners, L.P.30,804$486.7K0.01%−274,703−89.9%Reduced
Y-Intercept (Hong Kong) Ltd31,105$491.5K0.01%+31,105New
Oak Ridge Investments LLC31,926$504.4K0.04%−1,808−5.4%Reduced
Arizona State Retirement System32,041$506.2K0.00%−41−0.1%Reduced
ProShare Advisors LLC32,176$508.4K0.00%−1,751−5.2%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys32,265$509.8K0.00%+2,089+6.9%Added
Quest Partners LLC32,581$514.8K0.05%+32,475+30,636.8%Added
Teachers Retirement System of the State of Kentucky32,955$520.0K0.00%−1,987−5.7%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)33,517$529.6K0.00%−79−0.2%Reduced
BNP Paribas Arbitrage, SA33,824$534.4K0.00%−48,999−59.2%Reduced
Profund Advisors LLC33,888$535.4K0.02%−9,857−22.5%Reduced
Independent Financial Group, LLC33,985$537.0K0.01%−5,798−14.6%Reduced
US Bancorp34,403$543.6K0.00%+1,302+3.9%Added
Caption Management, LLC35,000$553.0K0.05%+17,900+104.7%Added
NEOS Investment Management LLC35,359$558.7K0.01%+5,466+18.3%Added
Tema ETFs LLC35,359$558.7K0.15%+5,466+18.3%Added
Amalgamated Bank35,543$562.0K0.00%−201−0.6%Reduced
Toroso Investments, LLC35,775$565.2K0.00%+16,140+82.2%Added
Marex Group plc36,469$576.2K0.01%+7,886+27.6%Added
New York State Common Retirement Fund36,979$584.3K0.00%00.0%Unchanged
Maryland State Retirement & Pension System36,992$584.5K0.01%00.0%Unchanged
Handelsbanken Fonder AB37,300$589.0K0.00%−3,900−9.5%Reduced
EP Wealth Advisors, LLC38,524$608.7K0.00%+38,524New
DekaBank Deutsche Girozentrale37,844$609.0K0.00%00.0%Unchanged
Winton Group Ltd41,778$660.1K0.03%+41,778New
LPL Financial LLC43,168$682.1K0.00%+15,763+57.5%Added
Comerica Bank43,432$686.2K0.00%+1,089+2.6%Added
Creative Planning45,662$721.5K0.00%+19,194+72.5%Added
Exchange Traded Concepts, LLC46,205$730.0K0.01%−3,042−6.2%Reduced
Qube Research & Technologies Ltd46,659$737.2K0.00%−85,436−64.7%Reduced
Victory Capital Management Inc47,689$753.5K0.00%+2,406+5.3%Added
Yousif Capital Management, LLC47,735$754.2K0.01%+388+0.8%Added
Erste Asset Management GmbH47,000$755.8K0.01%00.0%Unchanged
Wellington Management Group LLP48,285$762.9K0.00%−4,329−8.2%Reduced
Ensign Peak Advisors, Inc48,541$766.9K0.00%00.0%Unchanged
Janus Henderson Group PLC49,845$787.8K0.00%00.0%Unchanged
Guggenheim Capital LLC50,818$802.9K0.01%−2,440−4.6%Reduced
King Luther Capital Management Corp52,140$823.8K0.00%−31,450−37.6%Reduced
Voya Investment Management LLC53,264$841.6K0.00%+21,080+65.5%Added
State of Tennessee, Treasury Department54,550$861.9K0.00%−686−1.2%Reduced
ADAR1 Capital Management, LLC55,200$872.2K0.14%−1,100−2.0%Reduced
Simplex Trading, LLC57,307$905.0K0.02%+215+0.4%Added
Los Angeles Capital Management LLC57,948$915.6K0.00%+57,948New
Commonwealth Equity Services, LLC58,310$921.0K0.00%+24,946+74.8%Added
Louisiana State Employees Retirement System58,700$927.5K0.02%−700−1.2%Reduced
Bayforest Capital Ltd59,403$938.6K0.41%+59,403New
Intech Investment Management LLC60,534$956.4K0.01%−21,619−26.3%Reduced
Boothbay Fund Management, LLC61,947$978.8K0.03%+61,947New
Citadel Advisors LLC62,245$983.5K0.00%−924,706−93.7%Reduced
Manufacturers Life Insurance Company, The63,999$1.01M0.00%−1,686−2.6%Reduced
Arrowstreet Capital, Limited Partnership64,200$1.01M0.00%+64,200New
State of Wisconsin Investment Board64,760$1.02M0.00%−1,571−2.4%Reduced
M28 Capital Management LP67,400$1.06M1.82%00.0%Unchanged
Wells Fargo & Company68,374$1.08M0.00%+1,034+1.5%Added