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 2026
Institutional positions in Arrowhead Pharmaceuticals, Inc. as of Jun 30, 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
- 501
- +69 vs. Q1 2026
- Shares held
- 119.3M
- −33.6K (0.0%) vs. Q1 2026
- Total value
- $9.73B
- +$2.25B (+30.0%) vs. Q1 2026
- New holders
- 127
- 153 more added
- Sold out
- 58
- 158 more reduced
5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Arrowhead Pharmaceuticals, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Edgewood Management LLC | 25,000 | $2.04M | 0.02% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 25,620 | $2.09M | 0.01% | −38,523−60.1% | Reduced |
| Landscape Capital Management, L.L.C. | 25,623 | $2.09M | 0.14% | +25,623 | New |
| Ameritas Investment Partners, Inc. | 25,923 | $2.11M | 0.06% | −11,051−29.9% | Reduced |
| SBI Okasan Asset Management Co.Ltd. | 26,300 | $2.12M | 0.07% | 00.0% | Unchanged |
| Washington Trust Advisors, Inc. | 26,185 | $2.13M | 0.16% | +911+3.6% | Added |
| B. Metzler seel. Sohn & Co. AG | 26,338 | $2.15M | 0.02% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 37,844 | $2.17M | 0.00% | 00.0% | Unchanged |
| TD Asset Management Inc | 26,920 | $2.19M | 0.00% | −17,800−39.8% | Reduced |
| Natixis Advisors, L.P. | 27,872 | $2.27M | 0.00% | +9,702+53.4% | Added |
| Mediolanum International Funds Ltd | 28,940 | $2.33M | 0.02% | +28,940 | New |
| XTX Topco Ltd | 28,590 | $2.33M | 0.03% | +28,590 | New |
| Ensign Peak Advisors, Inc | 28,714 | $2.34M | 0.00% | −30,407−51.4% | Reduced |
| Simplex Trading, LLC | 29,002 | $2.36M | 0.06% | +14,721+103.1% | Added |
| New Mexico Educational Retirement Board | 29,000 | $2.36M | 0.06% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 29,155 | $2.38M | 0.03% | +455+1.6% | Added |
| Cetera Investment Advisers | 29,241 | $2.38M | 0.00% | +19,817+210.3% | Added |
| Bank of Hawaii | 29,276 | $2.39M | 0.12% | +9,151+45.5% | Added |
| Private Advisor Group, LLC | 30,352 | $2.47M | 0.01% | +14,926+96.8% | Added |
| Colony Group, LLC | 30,510 | $2.49M | 0.00% | +16,818+122.8% | Added |
| Fifth Third Bancorp | 30,534 | $2.49M | 0.00% | −2,913−8.7% | Reduced |
| Vanguard Investments Australia, Ltd. | 30,828 | $2.51M | 0.01% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 31,279 | $2.55M | 0.00% | −271−0.9% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 31,685 | $2.58M | 0.03% | +314+1.0% | Added |
| Oak Ridge Investments LLC | 31,910 | $2.60M | 0.15% | +796+2.6% | Added |
| KLP Kapitalforvaltning AS | 32,200 | $2.62M | 0.01% | +5,300+19.7% | Added |
| Exome Asset Management LLC | 32,214 | $2.63M | 1.62% | −13,507−29.5% | Reduced |
| Arizona State Retirement System | 32,843 | $2.68M | 0.01% | −748−2.2% | Reduced |
| State of Michigan Retirement System | 32,900 | $2.68M | 0.01% | −800−2.4% | Reduced |
| Alpine Global Management, LLC | 33,339 | $2.72M | 0.45% | +33,339 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 33,721 | $2.75M | 0.01% | −1,365−3.9% | Reduced |
| Tower Research Capital LLC (TRC) | 34,537 | $2.82M | 0.07% | +22,283+181.8% | Added |
| Panagora Asset Management Inc | 35,103 | $2.86M | 0.01% | −426,090−92.4% | Reduced |
| Kornitzer Capital Management Inc | 35,780 | $2.92M | 0.06% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 36,495 | $2.97M | 0.04% | −8,361−18.6% | Reduced |
| Polymer Capital Management (HK) LTD | 36,800 | $3.00M | 0.30% | +36,800 | New |
| M28 Capital Management LP | 36,851 | $3.00M | 6.37% | 00.0% | Unchanged |
| EP Wealth Advisors, LLC | 38,135 | $3.11M | 0.01% | −271−0.7% | Reduced |
| US Bancorp | 38,226 | $3.12M | 0.00% | +3,543+10.2% | Added |
| Ikarian Capital, LLC | 38,278 | $3.12M | 0.51% | +38,278 | New |
| Algert Global LLC | 38,340 | $3.13M | 0.04% | −21,680−36.1% | Reduced |
| State of New Jersey Common Pension Fund D | 38,486 | $3.14M | 0.01% | −3,308−7.9% | Reduced |
| Public Employees Retirement System of Ohio | 38,507 | $3.14M | 0.01% | +38,507 | New |
| StemPoint Capital LP | 39,198 | $3.20M | 0.55% | +39,198 | New |
| Edgestream Partners, L.P. | 39,489 | $3.22M | 0.10% | −52,508−57.1% | Reduced |
| Yousif Capital Management, LLC | 40,203 | $3.28M | 0.04% | −2,387−5.6% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 40,231 | $3.28M | 0.06% | +40,231 | New |
| Louisiana State Employees Retirement System | 41,200 | $3.36M | 0.05% | +600+1.5% | Added |
| Boothbay Fund Management, LLC | 41,242 | $3.36M | 0.06% | −5,746−12.2% | Reduced |
| Rafferty Asset Management, LLC | 41,246 | $3.36M | 0.01% | −38,359−48.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 43,243 | $3.48M | 0.01% | −11,936−21.6% | Reduced |
| Handelsbanken Fonder AB | 42,800 | $3.49M | 0.01% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 43,261 | $3.53M | 0.02% | 00.0% | Unchanged |
| Virginia Retirement Systems Et Al | 43,350 | $3.53M | 0.02% | +11,300+35.3% | Added |
| Shay Capital LLC | 44,000 | $3.59M | 0.40% | +44,000 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 44,360 | $3.62M | 0.01% | −4,012−8.3% | Reduced |
| State of Tennessee, Treasury Department | 44,756 | $3.65M | 0.01% | +11,899+36.2% | Added |
| Guggenheim Capital LLC | 46,565 | $3.80M | 0.02% | −44,898−49.1% | Reduced |
| Cormorant Asset Management, LP | 50,000 | $4.08M | 0.21% | −50,000−50.0% | Reduced |
| Wellington Management Group LLP | 50,081 | $4.08M | 0.00% | −4,437−8.1% | Reduced |
| Osterweis Capital Management Inc | 50,315 | $4.10M | 0.19% | +50,315 | New |
| Nomura Asset Management International Inc. | 52,344 | $4.27M | 0.01% | +9,590+22.4% | Added |
| King Luther Capital Management Corp | 53,725 | $4.38M | 0.02% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 55,170 | $4.50M | 0.01% | +94+0.2% | Added |
| Treasurer of the State of North Carolina | 57,530 | $4.69M | 0.01% | +57,530 | New |
| Alyeska Investment Group, L.P. | 58,722 | $4.79M | 0.01% | −414,148−87.6% | Reduced |
| Brevan Howard Capital Management LP | 58,923 | $4.80M | 0.07% | +58,923 | New |
| Ghisallo Capital Management LLC | 60,000 | $4.89M | 0.10% | +60,000 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 60,466 | $4.92M | 0.01% | −79,132−56.7% | Reduced |
| Royal Bank of Canada | 60,957 | $4.97M | 0.00% | −359−0.6% | Reduced |
| Vanguard Global Advisers, LLC | 61,098 | $4.98M | 0.00% | −2,026−3.2% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 61,104 | $4.98M | 0.04% | +24,229+65.7% | Added |
| Jain Global LLC | 61,895 | $5.05M | 0.06% | +61,895 | New |
| Amalgamated Bank | 64,447 | $5.25M | 0.04% | +4,140+6.9% | Added |
| Platinum Investment Management Ltd | 64,752 | $5.28M | 1.30% | 00.0% | Unchanged |
| Orion Investment Co | 65,831 | $5.37M | 1.57% | +3,296+5.3% | Added |
| ADAR1 Capital Management, LLC | 69,800 | $5.69M | 0.27% | −500−0.7% | Reduced |
| MetLife Investment Management | 71,062 | $5.79M | 0.03% | −69,342−49.4% | Reduced |
| State of Wisconsin Investment Board | 71,181 | $5.80M | 0.01% | −6,666−8.6% | Reduced |
| Erste Asset Management GmbH | 73,000 | $5.88M | 0.05% | 00.0% | Unchanged |
| Stifel Financial Corp | 73,294 | $5.97M | 0.00% | +61,598+526.7% | Added |
| KC Investment Advisors, LLC | 75,000 | $6.11M | 1.16% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 75,353 | $6.14M | 0.01% | +19,731+35.5% | Added |
| Transamerica Financial Advisors, Inc. | 77,403 | $6.31M | 0.53% | +77,398+1,547,960.0% | Added |
| Bessemer Group Inc | 79,140 | $6.45M | 0.01% | 00.0% | Unchanged |
| Great West Life Assurance Co | 82,488 | $6.72M | 0.01% | +1,681+2.1% | Added |
| Prudential Financial Inc | 85,710 | $6.99M | 0.01% | +15,570+22.2% | Added |
| Barclays PLC | 86,776 | $7.07M | 0.00% | −28,567−24.8% | Reduced |
| Federated Hermes, Inc. | 89,365 | $7.28M | 0.01% | +75,253+533.3% | Added |
| Keystone Investors Pte Ltd | 94,661 | $7.72M | 0.41% | +94,661 | New |
| New York State Common Retirement Fund | 95,515 | $7.79M | 0.01% | +53,636+128.1% | Added |
| Dorsey Wright & Associates | 97,466 | $7.94M | 1.35% | +97,466 | New |
| Neuberger Berman Group LLC | 98,467 | $8.03M | 0.01% | −105,447−51.7% | Reduced |
| Creative Planning | 100,290 | $8.17M | 0.00% | +12,034+13.6% | Added |
| Victory Capital Management Inc | 100,717 | $8.21M | 0.00% | +11,431+12.8% | Added |
| Silvercrest Asset Management Group LLC | 103,616 | $8.45M | 0.06% | −4,797−4.4% | Reduced |
| State Board of Administration of Florida Retirement System | 104,322 | $8.50M | 0.01% | +74,673+251.9% | Added |
| Empowered Funds, LLC | 108,041 | $8.81M | 0.05% | −29,179−21.3% | Reduced |
| ACT Capital Management, LLC | 110,100 | $8.97M | 5.86% | +27,600+33.5% | Added |
| Van Eck Associates Corp | 111,500 | $9.09M | 0.01% | +92,610+490.3% | Added |