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 |
|---|---|---|---|---|---|
| Virtus Investment Advisers, Inc. | 12,045 | $755.2K | 0.21% | +2,296+23.6% | Added |
| Ares Systematic Credit Ltd | 13,169 | $759.2K | 0.60% | +13,169 | New |
| Elo Mutual Pension Insurance Co | 12,208 | $765.4K | 0.01% | +12,208 | New |
| JustInvest LLC | 12,230 | $766.8K | 0.01% | +3,076+33.6% | Added |
| Wealth Architects, LLC | 12,247 | $767.9K | 0.07% | −21−0.2% | Reduced |
| Tower Research Capital LLC (TRC) | 12,254 | $768.3K | 0.02% | +10,044+454.5% | Added |
| Quantinno Capital Management LP | 12,790 | $801.9K | 0.00% | +777+6.5% | Added |
| Blackstone Group Inc. | 12,796 | $802.3K | 0.00% | +12,796 | New |
| Vestmark Advisory Solutions, Inc. | 12,990 | $814.5K | 0.01% | −8,295−39.0% | Reduced |
| Havemeyer Place LP | 13,276 | $832.4K | 0.10% | +11,618+700.7% | Added |
| Colony Group, LLC | 13,692 | $858.5K | 0.00% | −6,608−32.6% | Reduced |
| State of Alaska, Department of Revenue | 14,020 | $879.0K | 0.01% | −56,379−80.1% | Reduced |
| Federated Hermes, Inc. | 14,112 | $884.8K | 0.00% | +13,436+1,987.6% | Added |
| Public Employees Retirement Association of Colorado | 14,208 | $891.0K | 0.00% | 00.0% | Unchanged |
| New York Life Investment Management LLC | 14,239 | $892.8K | 0.01% | +14,239 | New |
| Simplex Trading, LLC | 14,281 | $895.4K | 0.03% | +14,281 | New |
| Sierra Summit Advisors LLC | 14,353 | $899.9K | 0.13% | +14,353 | New |
| Prelude Capital Management, LLC | 15,217 | $954.1K | 0.07% | +1,710+12.7% | Added |
| Independent Financial Group, LLC | 15,375 | $964.0K | 0.02% | −675−4.2% | Reduced |
| Calamos Advisors LLC | 15,396 | $965.3K | 0.00% | +15,396 | New |
| Private Advisor Group, LLC | 15,426 | $967.2K | 0.00% | +4,663+43.3% | Added |
| Capstone Capital Management Ltd | 15,740 | $986.9K | 0.99% | +15,740 | New |
| Jane Street Group, LLC | 15,775 | $989.1K | 0.00% | +10,104+178.2% | Added |
| Farallon Capital Management, L.L.C. | 15,800 | $990.7K | 0.01% | 00.0% | Unchanged |
| Prime Capital Investment Advisors, LLC | 15,826 | $992.3K | 0.01% | +15,826 | New |
| Teacher Retirement System of Texas | 15,829 | $992.5K | 0.00% | −2,569−14.0% | Reduced |
| CI Private Wealth, LLC | 16,113 | $1.01M | 0.00% | −2,113−11.6% | Reduced |
| Allstate Corp | 16,305 | $1.02M | 0.01% | +16,305 | New |
| Pathstone Holdings, LLC | 17,073 | $1.07M | 0.00% | −3,836−18.3% | Reduced |
| Amundi | 17,301 | $1.08M | 0.00% | −9,089−34.4% | Reduced |
| Natixis Advisors, L.P. | 18,170 | $1.14M | 0.00% | −19,425−51.7% | Reduced |
| Myecfo, LLC | 18,497 | $1.16M | 0.49% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 18,779 | $1.18M | 0.01% | +1,481+8.6% | Added |
| Pine Valley Investments Ltd Liability Co | 18,814 | $1.18M | 0.06% | +335+1.8% | Added |
| Van Eck Associates Corp | 18,890 | $1.18M | 0.00% | +12,453+193.5% | Added |
| Campbell & CO Investment Adviser LLC | 18,936 | $1.19M | 0.07% | +18,936 | New |
| Xponance, Inc. | 19,311 | $1.21M | 0.01% | +8,877+85.1% | Added |
| Bank of Hawaii | 20,125 | $1.26M | 0.07% | +907+4.7% | Added |
| Acadian Asset Management LLC | 20,535 | $1.29M | 0.00% | +5,229+34.2% | Added |
| Wealth Enhancement Advisory Services, LLC | 21,487 | $1.31M | 0.00% | +2,526+13.3% | Added |
| Los Angeles Capital Management LLC | 20,970 | $1.31M | 0.01% | +2,284+12.2% | Added |
| Bank of Montreal | 22,128 | $1.39M | 0.00% | +7,496+51.2% | Added |
| FORA Capital, LLC | 23,625 | $1.48M | 0.11% | +12,625+114.8% | Added |
| Pacer Advisors, Inc. | 23,922 | $1.50M | 0.00% | +23,922 | New |
| SBI Okasan Asset Management Co.Ltd. | 26,300 | $1.52M | 0.06% | −10,200−27.9% | Reduced |
| AE Wealth Management LLC | 24,312 | $1.52M | 0.01% | +24,312 | New |
| China Universal Asset Management Co., Ltd. | 24,850 | $1.56M | 0.12% | −5,280−17.5% | Reduced |
| Edgewood Management LLC | 25,000 | $1.57M | 0.01% | 00.0% | Unchanged |
| Washington Trust Advisors, Inc. | 25,274 | $1.58M | 0.13% | +24,729+4,537.4% | Added |
| B. Metzler seel. Sohn & Co. AG | 26,338 | $1.65M | 0.02% | +5,643+27.3% | Added |
| KLP Kapitalforvaltning AS | 26,900 | $1.69M | 0.01% | −500−1.8% | Reduced |
| Sanctuary Advisors, LLC | 27,324 | $1.71M | 0.01% | −23−0.1% | Reduced |
| Mackenzie Financial Corp | 27,815 | $1.74M | 0.00% | +16,370+143.0% | Added |
| Soleus Capital Management, L.P. | 28,479 | $1.79M | 0.07% | +28,479 | New |
| Oregon Public Employees Retirement Fund | 28,700 | $1.80M | 0.02% | −2,914−9.2% | Reduced |
| Lighthouse Investment Partners, LLC | 28,970 | $1.82M | 0.07% | +24,970+624.3% | Added |
| New Mexico Educational Retirement Board | 29,000 | $1.82M | 0.06% | +29,000 | New |
| State Board of Administration of Florida Retirement System | 29,649 | $1.86M | 0.00% | 00.0% | Unchanged |
| Sector Gamma AS | 30,000 | $1.88M | 0.44% | +30,000 | New |
| Vanguard Investments Australia, Ltd. | 30,828 | $1.93M | 0.01% | +30,828 | New |
| Oak Ridge Investments LLC | 31,114 | $1.95M | 0.13% | +427+1.4% | Added |
| Northwestern Mutual Investment Management Company, LLC | 31,371 | $1.97M | 0.03% | +31,371 | New |
| ProShare Advisors LLC | 31,498 | $1.97M | 0.00% | −357−1.1% | Reduced |
| Thrivent Financial for Lutherans | 31,550 | $1.98M | 0.00% | −63,451−66.8% | Reduced |
| Virginia Retirement Systems Et Al | 32,050 | $2.01M | 0.01% | +17,000+113.0% | Added |
| STRS Ohio | 32,500 | $2.04M | 0.01% | +1,000+3.2% | Added |
| State of Tennessee, Treasury Department | 32,857 | $2.06M | 0.01% | −22,785−40.9% | Reduced |
| Fifth Third Bancorp | 33,447 | $2.10M | 0.00% | +32,230+2,648.3% | Added |
| Arizona State Retirement System | 33,591 | $2.11M | 0.01% | −1,292−3.7% | Reduced |
| State of Michigan Retirement System | 33,700 | $2.11M | 0.01% | +33,700 | New |
| Diversified Trust Co | 34,553 | $2.17M | 0.04% | +34,553 | New |
| US Bancorp | 34,683 | $2.17M | 0.00% | +140+0.4% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 35,086 | $2.20M | 0.01% | +858+2.5% | Added |
| DekaBank Deutsche Girozentrale | 37,844 | $2.22M | 0.00% | 00.0% | Unchanged |
| Kornitzer Capital Management Inc | 35,780 | $2.24M | 0.05% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 35,800 | $2.24M | 0.00% | +35,800 | New |
| Intech Investment Management LLC | 35,848 | $2.25M | 0.02% | −7,095−16.5% | Reduced |
| M28 Capital Management LP | 36,851 | $2.31M | 4.29% | −30,549−45.3% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 36,875 | $2.31M | 0.02% | +1,256+3.5% | Added |
| Ameritas Investment Partners, Inc. | 36,974 | $2.32M | 0.07% | +26,017+237.4% | Added |
| Gotham Asset Management, LLC | 38,168 | $2.39M | 0.01% | −18,105−32.2% | Reduced |
| EP Wealth Advisors, LLC | 38,406 | $2.41M | 0.01% | −277−0.7% | Reduced |
| Profund Advisors LLC | 39,758 | $2.49M | 0.09% | +3,216+8.8% | Added |
| Louisiana State Employees Retirement System | 40,600 | $2.55M | 0.04% | −22,700−35.9% | Reduced |
| J. Goldman & Co LP | 41,210 | $2.58M | 0.12% | +41,210 | New |
| State of New Jersey Common Pension Fund D | 41,794 | $2.62M | 0.01% | −677−1.6% | Reduced |
| New York State Common Retirement Fund | 41,879 | $2.63M | 0.00% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 42,590 | $2.67M | 0.03% | +4,465+11.7% | Added |
| Nomura Asset Management International Inc. | 42,754 | $2.68M | 0.00% | +2,625+6.5% | Added |
| Handelsbanken Fonder AB | 42,800 | $2.68M | 0.01% | +4,200+10.9% | Added |
| Teachers Retirement System of the State of Kentucky | 43,261 | $2.71M | 0.02% | +8,474+24.4% | Added |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 44,045 | $2.76M | 0.10% | +5,398+14.0% | Added |
| TD Asset Management Inc | 44,720 | $2.80M | 0.00% | −11,080−19.9% | Reduced |
| Engineers Gate Manager LP | 44,856 | $2.81M | 0.04% | +25,084+126.9% | Added |
| Exome Asset Management LLC | 45,721 | $2.87M | 1.69% | −4,037−8.1% | Reduced |
| Boothbay Fund Management, LLC | 46,988 | $2.95M | 0.07% | +6,484+16.0% | Added |
| Toroso Investments, LLC | 47,830 | $3.00M | 0.01% | +47,830 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 48,372 | $3.03M | 0.01% | +9,007+22.9% | Added |
| Cinctive Capital Management LP | 49,068 | $3.08M | 0.20% | +32,958+204.6% | Added |
| SG Americas Securities, LLC | 50,350 | $3.16M | 0.00% | +51+0.1% | Added |