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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 14,830,553 | $1.21B | 0.02% | −3,330,966−18.3% | Reduced |
| RTW Investments, LP | 0 | $0 | 0.00% | −585,682−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −325,700−100.0% | Sold out |
| Longaeva Partners L.P. | 0 | $0 | 0.00% | −194,589−100.0% | Sold out |
| Schroder Investment Management Group | 0 | $0 | 0.00% | −162,005−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −98,194−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −95,552−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −80,227−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −70,048−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −55,546−100.0% | Sold out |
| Ishara Investments LP | 0 | $0 | 0.00% | −55,350−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −49,068−100.0% | Sold out |
| J. Goldman & Co LP | 0 | $0 | 0.00% | −41,210−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −35,848−100.0% | Sold out |
| Diversified Trust Co | 0 | $0 | 0.00% | −34,553−100.0% | Sold out |
| Sector Gamma AS | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Soleus Capital Management, L.P. | 0 | $0 | 0.00% | −28,479−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −23,625−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −18,936−100.0% | Sold out |
| Farallon Capital Management, L.L.C. | 0 | $0 | 0.00% | −15,800−100.0% | Sold out |
| Capstone Capital Management Ltd | 0 | $0 | 0.00% | −15,740−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −15,217−100.0% | Sold out |
| Sierra Summit Advisors LLC | 0 | $0 | 0.00% | −14,353−100.0% | Sold out |
| Havemeyer Place LP | 0 | $0 | 0.00% | −13,276−100.0% | Sold out |
| Elo Mutual Pension Insurance Co | 0 | $0 | 0.00% | −12,208−100.0% | Sold out |
| Ares Systematic Credit Ltd | 0 | $0 | 0.00% | −13,169−100.0% | Sold out |
| Fieldview Capital Management, LLC | 0 | $0 | 0.00% | −11,555−100.0% | Sold out |
| Cypress Point Wealth Management, LLC | 0 | $0 | 0.00% | −11,200−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −10,620−100.0% | Sold out |
| Three Seasons Wealth, LLC | 0 | $0 | 0.00% | −9,315−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −8,865−100.0% | Sold out |
| Seven Grand Managers, LLC | 0 | $0 | 0.00% | −7,500−100.0% | Sold out |
| Aviva PLC | 0 | $0 | 0.00% | −7,294−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −7,248−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −6,750−100.0% | Sold out |
| Velan Capital Investment Management LP | 0 | $0 | 0.00% | −6,500−100.0% | Sold out |
| Integrated Quantitative Investments LLC | 0 | $0 | 0.00% | −5,842−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −4,296−100.0% | Sold out |
| Mangrove Partners | 0 | $0 | 0.00% | −3,797−100.0% | Sold out |
| Perbak Capital Partners LLP | 0 | $0 | 0.00% | −3,657−100.0% | Sold out |
| International Assets Investment Management, LLC | 0 | $0 | 0.00% | −3,413−100.0% | Sold out |
| Alvarez & Marsal Private Wealth Partners, LLC | 0 | $0 | 0.00% | −3,215−100.0% | Sold out |
| Kemnay Advisory Services Inc. | 0 | $0 | 0.00% | −998−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −408−100.0% | Sold out |
| Sound Income Strategies, LLC | 0 | $0 | 0.00% | −393−100.0% | Sold out |
| Lloyd Advisory Services, LLC. | 0 | $0 | 0.00% | −311−100.0% | Sold out |
| Kingdom Financial Group LLC. | 0 | $0 | 0.00% | −311−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −168−100.0% | Sold out |
| Quest 10 Wealth Builders, Inc. | 0 | $0 | 0.00% | −104−100.0% | Sold out |
| Matrix Trust Co | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Tradewinds Capital Management, LLC | 0 | $0 | 0.00% | −90−100.0% | Sold out |
| Annis Gardner Whiting Capital Advisors, LLC | 0 | $0 | 0.00% | −80−100.0% | Sold out |
| Strategic Wealth Partners, Ltd. | 0 | $0 | 0.00% | −70−100.0% | Sold out |
| Elequin Capital LP | 0 | $0 | 0.00% | −59−100.0% | Sold out |
| Networth Advisors, LLC | 0 | $0 | 0.00% | −51−100.0% | Sold out |
| Key Capital Management, INC | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Kilter Group LLC | 0 | $0 | 0.00% | −32−100.0% | Sold out |
| Basecamp Wealth Advisors LLC | 0 | $0 | 0.00% | −29−100.0% | Sold out |
| Innovative Asset Advisors Group, LLC | 0 | $0 | 0.00% | −19−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Skopos Labs, Inc. | – | – | – | – | Not filed |
| Journey Strategic Wealth LLC | – | – | – | – | Not filed |
| Arcadia Investment Management Corp | – | – | – | – | Not filed |