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, Q1 2026
Institutional positions in Arrowhead Pharmaceuticals, Inc. as of Mar 31, 2026. 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
- 437
- +45 vs. Q4 2025
- Shares held
- 120.8M
- +21.9M (+22.2%) vs. Q4 2025
- Total value
- $7.58B
- +$1.01B (+15.4%) vs. Q4 2025
- New holders
- 106
- 171 more added
- Sold out
- 61
- 112 more reduced
9 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 501 | $9.73B |
| Q1 2026 | 437 | $7.58B |
| Q4 2025 | 401 | $7.70B |
| Q3 2025 | 303 | $3.83B |
| Q2 2025 | 281 | $1.67B |
| Q1 2025 | 264 | $1.34B |
| Q4 2024 | 269 | $1.88B |
| Q3 2024 | 272 | $1.90B |
| Q2 2024 | 272 | $2.54B |
| Q1 2024 | 273 | $2.76B |
| Q4 2023 | 266 | $2.37B |
| Q3 2023 | 257 | $2.01B |
| Q2 2023 | 274 | $2.57B |
| Q1 2023 | 257 | $1.85B |
| Q4 2022 | 282 | $2.97B |
| Q3 2022 | 278 | $2.35B |
| Q2 2022 | 279 | $2.54B |
| Q1 2022 | 307 | $3.19B |
| Q4 2021 | 311 | $4.51B |
| Q3 2021 | 297 | $4.16B |
| Q2 2021 | 314 | $5.54B |
| Q1 2021 | 289 | $4.55B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Arrowhead Pharmaceuticals, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Citadel Advisors LLC | 98,194 | $6.16M | 0.00% | −376,065−79.3% | Reduced |
| Bridgewater Associates, LP | 95,552 | $5.99M | 0.03% | +35,586+59.3% | Added |
| Edgestream Partners, L.P. | 91,997 | $5.77M | 0.19% | +55,516+152.2% | Added |
| Guggenheim Capital LLC | 91,463 | $5.73M | 0.05% | +34,819+61.5% | Added |
| Victory Capital Management Inc | 89,286 | $5.60M | 0.00% | −3,337−3.6% | Reduced |
| Creative Planning | 88,256 | $5.53M | 0.00% | +13,835+18.6% | Added |
| ACT Capital Management, LLC | 82,500 | $5.17M | 4.07% | +7,500+10.0% | Added |
| Great West Life Assurance Co | 80,807 | $5.07M | 0.01% | −37,943−32.0% | Reduced |
| Aquatic Capital Management LLC | 80,227 | $5.03M | 0.14% | −731−0.9% | Reduced |
| Rafferty Asset Management, LLC | 79,605 | $4.99M | 0.02% | −4,864−5.8% | Reduced |
| Bessemer Group Inc | 79,140 | $4.96M | 0.01% | +27,345+52.8% | Added |
| State of Wisconsin Investment Board | 77,847 | $4.88M | 0.01% | −1,367−1.7% | Reduced |
| KC Investment Advisors, LLC | 75,000 | $4.70M | 1.10% | 00.0% | Unchanged |
| ADAR1 Capital Management, LLC | 70,300 | $4.41M | 0.26% | +12,100+20.8% | Added |
| Prudential Financial Inc | 70,140 | $4.40M | 0.01% | −82,085−53.9% | Reduced |
| PDT Partners, LLC | 70,048 | $4.39M | 0.26% | 00.0% | Unchanged |
| Voleon Capital Management LP | 69,190 | $4.34M | 0.09% | +26,667+62.7% | Added |
| Erste Asset Management GmbH | 73,000 | $4.21M | 0.04% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 66,750 | $4.19M | 0.00% | +39,876+148.4% | Added |
| Platinum Investment Management Ltd | 64,752 | $4.06M | 1.02% | −24,732−27.6% | Reduced |
| PFM Health Sciences, LP | 64,279 | $4.03M | 0.42% | +64,279 | New |
| Hudson Bay Capital Management LP | 64,143 | $4.02M | 0.02% | +64,143 | New |
| Vanguard Global Advisers, LLC | 63,124 | $3.96M | 0.00% | +63,124 | New |
| Orion Investment Co | 62,535 | $3.92M | 1.25% | +16,165+34.9% | Added |
| Royal Bank of Canada | 61,316 | $3.84M | 0.00% | +10,120+19.8% | Added |
| Amalgamated Bank | 60,307 | $3.78M | 0.03% | +20,299+50.7% | Added |
| Algert Global LLC | 60,020 | $3.76M | 0.06% | +1,300+2.2% | Added |
| Ensign Peak Advisors, Inc | 59,121 | $3.71M | 0.01% | +35,785+153.3% | Added |
| Assenagon Asset Management S.A. | 58,735 | $3.68M | 0.01% | −626,154−91.4% | Reduced |
| Allianz Asset Management GmbH | 55,622 | $3.49M | 0.00% | +36,722+194.3% | Added |
| Quadrature Capital Ltd | 55,546 | $3.48M | 0.04% | +55,546 | New |
| Allspring Global Investments Holdings, LLC | 55,179 | $3.47M | 0.01% | +47,902+658.3% | Added |
| Ishara Investments LP | 55,350 | $3.47M | 3.50% | +55,350 | New |
| Winton Group Ltd | 55,080 | $3.45M | 0.12% | +47,189+598.0% | Added |
| Commonwealth Equity Services, LLC | 55,076 | $3.45M | 0.00% | −597−1.1% | Reduced |
| Wellington Management Group LLP | 54,518 | $3.42M | 0.00% | +7,045+14.8% | Added |
| King Luther Capital Management Corp | 53,725 | $3.37M | 0.01% | −6,750−11.2% | Reduced |
| SG Americas Securities, LLC | 50,350 | $3.16M | 0.00% | +51+0.1% | Added |
| Cinctive Capital Management LP | 49,068 | $3.08M | 0.20% | +32,958+204.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 48,372 | $3.03M | 0.01% | +9,007+22.9% | Added |
| Toroso Investments, LLC | 47,830 | $3.00M | 0.01% | +47,830 | New |
| Boothbay Fund Management, LLC | 46,988 | $2.95M | 0.07% | +6,484+16.0% | Added |
| Exome Asset Management LLC | 45,721 | $2.87M | 1.69% | −4,037−8.1% | Reduced |
| Engineers Gate Manager LP | 44,856 | $2.81M | 0.04% | +25,084+126.9% | Added |
| TD Asset Management Inc | 44,720 | $2.80M | 0.00% | −11,080−19.9% | Reduced |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 44,045 | $2.76M | 0.10% | +5,398+14.0% | Added |
| Teachers Retirement System of the State of Kentucky | 43,261 | $2.71M | 0.02% | +8,474+24.4% | Added |
| Handelsbanken Fonder AB | 42,800 | $2.68M | 0.01% | +4,200+10.9% | Added |
| Nomura Asset Management International Inc. | 42,754 | $2.68M | 0.00% | +2,625+6.5% | Added |
| Yousif Capital Management, LLC | 42,590 | $2.67M | 0.03% | +4,465+11.7% | Added |
| New York State Common Retirement Fund | 41,879 | $2.63M | 0.00% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 41,794 | $2.62M | 0.01% | −677−1.6% | Reduced |
| J. Goldman & Co LP | 41,210 | $2.58M | 0.12% | +41,210 | New |
| Louisiana State Employees Retirement System | 40,600 | $2.55M | 0.04% | −22,700−35.9% | Reduced |
| Profund Advisors LLC | 39,758 | $2.49M | 0.09% | +3,216+8.8% | Added |
| EP Wealth Advisors, LLC | 38,406 | $2.41M | 0.01% | −277−0.7% | Reduced |
| Gotham Asset Management, LLC | 38,168 | $2.39M | 0.01% | −18,105−32.2% | Reduced |
| Ameritas Investment Partners, Inc. | 36,974 | $2.32M | 0.07% | +26,017+237.4% | Added |
| Police & Firemen's Retirement System of New Jersey | 36,875 | $2.31M | 0.02% | +1,256+3.5% | Added |
| M28 Capital Management LP | 36,851 | $2.31M | 4.29% | −30,549−45.3% | Reduced |
| Intech Investment Management LLC | 35,848 | $2.25M | 0.02% | −7,095−16.5% | Reduced |
| Two Sigma Investments, LP | 35,800 | $2.24M | 0.00% | +35,800 | New |
| Kornitzer Capital Management Inc | 35,780 | $2.24M | 0.05% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 37,844 | $2.22M | 0.00% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 35,086 | $2.20M | 0.01% | +858+2.5% | Added |
| US Bancorp | 34,683 | $2.17M | 0.00% | +140+0.4% | Added |
| Diversified Trust Co | 34,553 | $2.17M | 0.04% | +34,553 | New |
| State of Michigan Retirement System | 33,700 | $2.11M | 0.01% | +33,700 | New |
| Arizona State Retirement System | 33,591 | $2.11M | 0.01% | −1,292−3.7% | Reduced |
| Fifth Third Bancorp | 33,447 | $2.10M | 0.00% | +32,230+2,648.3% | Added |
| State of Tennessee, Treasury Department | 32,857 | $2.06M | 0.01% | −22,785−40.9% | Reduced |
| STRS Ohio | 32,500 | $2.04M | 0.01% | +1,000+3.2% | Added |
| Virginia Retirement Systems Et Al | 32,050 | $2.01M | 0.01% | +17,000+113.0% | Added |
| Thrivent Financial for Lutherans | 31,550 | $1.98M | 0.00% | −63,451−66.8% | Reduced |
| ProShare Advisors LLC | 31,498 | $1.97M | 0.00% | −357−1.1% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 31,371 | $1.97M | 0.03% | +31,371 | New |
| Oak Ridge Investments LLC | 31,114 | $1.95M | 0.13% | +427+1.4% | Added |
| Vanguard Investments Australia, Ltd. | 30,828 | $1.93M | 0.01% | +30,828 | New |
| Sector Gamma AS | 30,000 | $1.88M | 0.44% | +30,000 | New |
| State Board of Administration of Florida Retirement System | 29,649 | $1.86M | 0.00% | 00.0% | Unchanged |
| New Mexico Educational Retirement Board | 29,000 | $1.82M | 0.06% | +29,000 | New |
| Lighthouse Investment Partners, LLC | 28,970 | $1.82M | 0.07% | +24,970+624.3% | Added |
| Oregon Public Employees Retirement Fund | 28,700 | $1.80M | 0.02% | −2,914−9.2% | Reduced |
| Soleus Capital Management, L.P. | 28,479 | $1.79M | 0.07% | +28,479 | New |
| Mackenzie Financial Corp | 27,815 | $1.74M | 0.00% | +16,370+143.0% | Added |
| Sanctuary Advisors, LLC | 27,324 | $1.71M | 0.01% | −23−0.1% | Reduced |
| KLP Kapitalforvaltning AS | 26,900 | $1.69M | 0.01% | −500−1.8% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 26,338 | $1.65M | 0.02% | +5,643+27.3% | Added |
| Washington Trust Advisors, Inc. | 25,274 | $1.58M | 0.13% | +24,729+4,537.4% | Added |
| Edgewood Management LLC | 25,000 | $1.57M | 0.01% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 24,850 | $1.56M | 0.12% | −5,280−17.5% | Reduced |
| AE Wealth Management LLC | 24,312 | $1.52M | 0.01% | +24,312 | New |
| SBI Okasan Asset Management Co.Ltd. | 26,300 | $1.52M | 0.06% | −10,200−27.9% | Reduced |
| Pacer Advisors, Inc. | 23,922 | $1.50M | 0.00% | +23,922 | New |
| FORA Capital, LLC | 23,625 | $1.48M | 0.11% | +12,625+114.8% | Added |
| Bank of Montreal | 22,128 | $1.39M | 0.00% | +7,496+51.2% | Added |
| Los Angeles Capital Management LLC | 20,970 | $1.31M | 0.01% | +2,284+12.2% | Added |
| Wealth Enhancement Advisory Services, LLC | 21,487 | $1.31M | 0.00% | +2,526+13.3% | Added |
| Acadian Asset Management LLC | 20,535 | $1.29M | 0.00% | +5,229+34.2% | Added |
| Bank of Hawaii | 20,125 | $1.26M | 0.07% | +907+4.7% | Added |