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, Q4 2025
Institutional positions in Arrowhead Pharmaceuticals, Inc. as of Dec 31, 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
- 401
- +100 vs. Q3 2025
- Shares held
- 116.0M
- +5.08M (+4.6%) vs. Q3 2025
- Total value
- $7.70B
- +$3.88B (+101.3%) vs. Q3 2025
- New holders
- 127
- 125 more added
- Sold out
- 27
- 110 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Arrowhead Pharmaceuticals, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 21,318,582 | $1.42B | 0.02% | +1,093,757+5.4% | Added |
| Johnson & Johnson | 0 | $0 | 0.00% | −247,598−100.0% | Sold out |
| Longaeva Partners L.P. | 0 | $0 | 0.00% | −125,673−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −90,000−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −65,204−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −53,957−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −39,218−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −35,140−100.0% | Sold out |
| Toroso Investments, LLC | 0 | $0 | 0.00% | −34,118−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −33,203−100.0% | Sold out |
| Cantor Fitzgerald, L. P. | 0 | $0 | 0.00% | −19,500−100.0% | Sold out |
| Sphera Funds Management Ltd. | 0 | $0 | 0.00% | −12,496−100.0% | Sold out |
| Advantage Alpha Capital Partners LP | 0 | $0 | 0.00% | −11,780−100.0% | Sold out |
| Arrowroot Family Office, LLC | 0 | $0 | 0.00% | −11,300−100.0% | Sold out |
| NJ State Employees Deferred Compensation Plan | 0 | $0 | 0.00% | −10,500−100.0% | Sold out |
| Pale Fire Capital SE | 0 | $0 | 0.00% | −10,123−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −7,548−100.0% | Sold out |
| Integrated Wealth Concepts LLC | 0 | $0 | 0.00% | −6,577−100.0% | Sold out |
| MBE Wealth Management, LLC | 0 | $0 | 0.00% | −6,368−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −6,233−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −2,651−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −1,496−100.0% | Sold out |
| Manchester Capital Management LLC | 0 | $0 | 0.00% | −979−100.0% | Sold out |
| ISAM Funds (UK) Ltd | 0 | $0 | 0.00% | −834−100.0% | Sold out |
| NBC Securities, Inc. | 0 | $0 | 0.00% | −305−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −76−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −52−100.0% | Sold out |
| Huntington National Bank | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| CIBC Bancorp USA Inc. | – | – | – | – | Not filed |
| Guerra Advisors Inc | – | – | – | – | Not filed |