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, Q3 2025
Institutional positions in Arrowhead Pharmaceuticals, Inc. as of Sep 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
- 303
- +26 vs. Q2 2025
- Shares held
- 110.9M
- +7.18M (+6.9%) vs. Q2 2025
- Total value
- $3.83B
- +$2.19B (+133.2%) vs. Q2 2025
- New holders
- 66
- 101 more added
- Sold out
- 40
- 82 more reduced
4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Arrowhead Pharmaceuticals, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avoro Capital Advisors LLC | 10,900,000 | $375.9M | 4.86% | +300,000+2.8% | Added |
| Vanguard Group Inc | 16,035,870 | $553.1M | 0.01% | +510,798+3.3% | Added |
| BlackRock, Inc. | 20,224,825 | $697.6M | 0.01% | +799,938+4.1% | Added |
| T. Rowe Price Investment Management, Inc. | 0 | $0 | 0.00% | −822,343−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −503,654−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −138,081−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −133,403−100.0% | Sold out |
| Kornitzer Capital Management Inc | 0 | $0 | 0.00% | −126,510−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −118,782−100.0% | Sold out |
| Ontario Teachers Pension Plan Board | 0 | $0 | 0.00% | −97,338−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −74,405−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −57,307−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −46,659−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −36,469−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −35,000−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −31,105−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −30,804−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −24,063−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −22,712−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −22,243−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −19,533−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −18,961−100.0% | Sold out |
| Ieq Capital, LLC | 0 | $0 | 0.00% | −17,189−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −14,240−100.0% | Sold out |
| Scotia Capital Inc. | 0 | $0 | 0.00% | −11,795−100.0% | Sold out |
| Resona Asset Management Co.,Ltd. | 0 | $0 | 0.00% | −11,218−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −10,959−100.0% | Sold out |
| Bryce Point Capital, LLC | 0 | $0 | 0.00% | −10,409−100.0% | Sold out |
| Wexford Capital LP | 0 | $0 | 0.00% | −9,229−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −5,771−100.0% | Sold out |
| Friedenthal Financial | 0 | $0 | 0.00% | −1,670−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −1,542−100.0% | Sold out |
| Total Investment Management Inc | 0 | $0 | 0.00% | −1,244−100.0% | Sold out |
| Mount Yale Investment Advisors, LLC | 0 | $0 | 0.00% | −1,200−100.0% | Sold out |
| S&T Bank | 0 | $0 | 0.00% | −686−100.0% | Sold out |
| Raiffeisen Bank International AG | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −456−100.0% | Sold out |
| Geneos Wealth Management Inc. | 0 | $0 | 0.00% | −73−100.0% | Sold out |
| Central Trust Co | 0 | $0 | 0.00% | −59−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −49−100.0% | Sold out |
| Koesten, Hirschmann & Crabtree, INC. | 0 | $0 | 0.00% | −47−100.0% | Sold out |
| WealthTrak Capital Management LLC | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Norges Bank | – | – | – | – | Not filed |
| EP Wealth Advisors, LLC | – | – | – | – | Not filed |
| E Fund Management Co., Ltd. | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |