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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 20,224,825 | $697.6M | 0.01% | +799,938+4.1% | Added |
| Vanguard Group Inc | 16,035,870 | $553.1M | 0.01% | +510,798+3.3% | Added |
| Avoro Capital Advisors LLC | 10,900,000 | $375.9M | 4.86% | +300,000+2.8% | Added |
| State Street Corp | 6,397,364 | $220.6M | 0.01% | +26,308+0.4% | Added |
| FMR LLC | 5,759,830 | $198.7M | 0.01% | +589,520+11.4% | Added |
| Slate Path Capital LP | 4,982,000 | $171.8M | 2.66% | −250,000−4.8% | Reduced |
| Geode Capital Management, LLC | 3,131,042 | $108.0M | 0.01% | +152,537+5.1% | Added |
| Siren, L.L.C. | 2,669,880 | $92.1M | 3.60% | 00.0% | Unchanged |
| Driehaus Capital Management LLC | 2,099,398 | $72.4M | 0.52% | +2,099,398 | New |
| Arrowstreet Capital, Limited Partnership | 2,081,689 | $71.8M | 0.05% | +2,017,489+3,142.5% | Added |
| Goldman Sachs Group Inc | 1,773,878 | $61.2M | 0.01% | −341,436−16.1% | Reduced |
| UBS Asset Management Americas Inc | 1,759,489 | $60.7M | 0.01% | −924,828−34.5% | Reduced |
| Morgan Stanley | 1,702,674 | $58.7M | 0.00% | −2,592−0.2% | Reduced |
| Baker Bros. Advisors LP | 1,670,762 | $57.6M | 0.42% | +731,588+77.9% | Added |
| Marshall Wace, LLP | 1,436,840 | $49.6M | 0.05% | −719,158−33.4% | Reduced |
| Charles Schwab Investment Management Inc | 1,345,860 | $46.4M | 0.01% | +175,115+15.0% | Added |
| Northern Trust Corp | 1,311,590 | $45.2M | 0.01% | +39,524+3.1% | Added |
| Fisher Asset Management, LLC | 1,053,794 | $36.3M | 0.01% | +602,139+133.3% | Added |
| Woodline Partners LP | 1,000,158 | $34.5M | 0.16% | +254,002+34.0% | Added |
| Deerfield Management Company, L.P. (Series C) | 993,000 | $34.2M | 0.52% | +993,000 | New |
| Janus Henderson Group PLC | 973,567 | $33.5M | 0.02% | +923,722+1,853.2% | Added |
| UBS Group AG | 918,183 | $31.7M | 0.01% | −682,413−42.6% | Reduced |
| Western Financial Corp | 820,239 | $28.3M | 12.31% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 814,548 | $28.1M | 0.01% | −3,531−0.4% | Reduced |
| Balyasny Asset Management LLC | 792,966 | $27.3M | 0.06% | +792,966 | New |
| Principal Financial Group Inc | 780,132 | $26.9M | 0.01% | +157,035+25.2% | Added |
| JPMorgan Chase & Co | 775,717 | $26.8M | 0.00% | +368,073+90.3% | Added |
| Bank of America Corp | 760,687 | $26.2M | 0.00% | +136,191+21.8% | Added |
| Schonfeld Strategic Advisors LLC | 543,916 | $18.8M | 0.13% | +61,861+12.8% | Added |
| Public Sector Pension Investment Board | 539,336 | $18.6M | 0.07% | +110,950+25.9% | Added |
| Standard Life Aberdeen plc | 520,644 | $18.0M | 0.03% | −439,601−45.8% | Reduced |
| Invesco Ltd. | 502,892 | $17.3M | 0.00% | −259,773−34.1% | Reduced |
| Dimensional Fund Advisors LP | 474,462 | $16.4M | 0.00% | +107,751+29.4% | Added |
| Privium Fund Management B.V. | 473,951 | $16.3M | 2.94% | −138,263−22.6% | Reduced |
| Voloridge Investment Management, LLC | 402,659 | $13.9M | 0.05% | +402,659 | New |
| Clearbridge Investments, LLC | 391,155 | $13.5M | 0.01% | +10,269+2.7% | Added |
| Legal & General Group Plc | 386,374 | $13.3M | 0.00% | −20,967−5.1% | Reduced |
| Assenagon Asset Management S.A. | 380,625 | $13.1M | 0.02% | +355,056+1,388.6% | Added |
| Rhumbline Advisers | 371,112 | $12.8M | 0.01% | +11,115+3.1% | Added |
| Nordea Investment Management AB | 372,282 | $12.7M | 0.01% | +158,937+74.5% | Added |
| Barclays PLC | 350,239 | $12.1M | 0.00% | −59,364−14.5% | Reduced |
| Citadel Advisors LLC | 317,614 | $11.0M | 0.01% | +255,369+410.3% | Added |
| Fred Alger Management, LLC | 306,833 | $10.6M | 0.04% | +306,833 | New |
| Pictet Asset Management Holding SA | 291,023 | $9.84M | 0.01% | +13,690+4.9% | Added |
| Nuveen, LLC | 278,336 | $9.60M | 0.00% | −32,018−10.3% | Reduced |
| Ameriprise Financial Inc | 274,163 | $9.46M | 0.00% | +7,136+2.7% | Added |
| Silvercrest Asset Management Group LLC | 272,974 | $9.41M | 0.06% | −7,203−2.6% | Reduced |
| Johnson & Johnson | 247,598 | $8.54M | 1.69% | 00.0% | Unchanged |
| Deutsche Bank AG | 246,072 | $8.49M | 0.00% | +10,626+4.5% | Added |
| Raymond James Financial Inc | 227,269 | $7.84M | 0.00% | +57,521+33.9% | Added |
| Integral Health Asset Management, LLC | 225,000 | $7.76M | 0.57% | +225,000 | New |
| Swiss National Bank | 214,100 | $7.38M | 0.00% | +4,300+2.0% | Added |
| First Trust Advisors LP | 207,955 | $7.17M | 0.01% | +207,955 | New |
| Pinnacle Associates Ltd | 203,314 | $7.01M | 0.09% | −8,247−3.9% | Reduced |
| Wealth Effects LLC | 168,450 | $5.81M | 1.87% | +2,800+1.7% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 160,985 | $5.55M | 0.01% | +160,985 | New |
| Alliancebernstein L.P. | 155,894 | $5.38M | 0.00% | −3,176−2.0% | Reduced |
| ExodusPoint Capital Management, LP | 152,327 | $5.25M | 0.07% | +152,327 | New |
| New York State Teachers Retirement System | 148,476 | $5.12M | 0.01% | 00.0% | Unchanged |
| AQR Capital Management LLC | 142,825 | $4.93M | 0.00% | −9,526−6.3% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 138,020 | $4.76M | 0.01% | −13,255−8.8% | Reduced |
| Voya Investment Management LLC | 137,516 | $4.74M | 0.00% | +84,252+158.2% | Added |
| Prudential Financial Inc | 136,645 | $4.71M | 0.01% | +6,355+4.9% | Added |
| HighTower Advisors, LLC | 132,889 | $4.58M | 0.01% | +8,948+7.2% | Added |
| Great West Life Assurance Co | 129,958 | $4.39M | 0.01% | +13,653+11.7% | Added |
| Longaeva Partners L.P. | 125,673 | $4.33M | 0.92% | +125,673 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 124,529 | $4.30M | 0.01% | +124,529 | New |
| Franklin Resources Inc | 116,504 | $4.02M | 0.00% | +35,278+43.4% | Added |
| Rafferty Asset Management, LLC | 114,379 | $3.94M | 0.01% | −27,546−19.4% | Reduced |
| Platinum Investment Management Ltd | 111,022 | $3.83M | 0.25% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 110,245 | $3.80M | 0.00% | +9,637+9.6% | Added |
| Millennium Management LLC | 109,807 | $3.79M | 0.00% | −59,234−35.0% | Reduced |
| Exome Asset Management LLC | 104,507 | $3.60M | 2.38% | +104,507 | New |
| California State Teachers Retirement System | 103,982 | $3.59M | 0.00% | +60.0% | Added |
| Thrivent Financial for Lutherans | 99,744 | $3.44M | 0.01% | +7,336+7.9% | Added |
| PDT Partners, LLC | 90,819 | $3.13M | 0.20% | −62,169−40.6% | Reduced |
| Hudson Bay Capital Management LP | 90,000 | $3.10M | 0.02% | −170,000−65.4% | Reduced |
| Boothbay Fund Management, LLC | 83,388 | $2.88M | 0.07% | +21,441+34.6% | Added |
| KC Investment Advisors, LLC | 75,000 | $2.85M | 0.78% | 00.0% | Unchanged |
| Polygon Management Ltd. | 81,841 | $2.82M | 0.41% | +81,841 | New |
| Algert Global LLC | 81,310 | $2.80M | 0.05% | −21,180−20.7% | Reduced |
| King Luther Capital Management Corp | 80,640 | $2.78M | 0.01% | +28,500+54.7% | Added |
| Wells Fargo & Company | 80,235 | $2.77M | 0.00% | +11,861+17.3% | Added |
| Macquarie Group Ltd | 72,440 | $2.50M | 0.00% | +72,440 | New |
| MetLife Investment Management | 71,963 | $2.48M | 0.01% | 00.0% | Unchanged |
| Erste Asset Management GmbH | 73,000 | $2.47M | 0.02% | +26,000+55.3% | Added |
| State of Alaska, Department of Revenue | 69,568 | $2.40M | 0.02% | −5,251−7.0% | Reduced |
| M28 Capital Management LP | 67,400 | $2.32M | 3.42% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 65,999 | $2.28M | 0.00% | +7,689+13.2% | Added |
| Alps Advisors Inc | 65,204 | $2.25M | 0.01% | −9,293−12.5% | Reduced |
| State of Wisconsin Investment Board | 64,875 | $2.24M | 0.01% | +115+0.2% | Added |
| Louisiana State Employees Retirement System | 63,600 | $2.19M | 0.04% | +4,900+8.3% | Added |
| Manufacturers Life Insurance Company, The | 63,000 | $2.17M | 0.00% | −999−1.6% | Reduced |
| Natixis Advisors, L.P. | 55,644 | $1.92M | 0.00% | +55,644 | New |
| State of Tennessee, Treasury Department | 54,550 | $1.88M | 0.01% | 00.0% | Unchanged |
| Jain Global LLC | 53,957 | $1.86M | 0.02% | +53,957 | New |
| Creative Planning | 52,006 | $1.79M | 0.00% | +6,344+13.9% | Added |
| Citigroup Inc | 51,582 | $1.78M | 0.00% | −89,204−63.4% | Reduced |
| BNP Paribas Arbitrage, SA | 50,964 | $1.76M | 0.00% | +17,140+50.7% | Added |
| LPL Financial LLC | 50,164 | $1.73M | 0.00% | +6,996+16.2% | Added |