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 2025
Institutional positions in Arrowhead Pharmaceuticals, Inc. as of Jun 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
- 281
- +19 vs. Q1 2025
- Shares held
- 105.8M
- +531.3K (+0.5%) vs. Q1 2025
- Total value
- $1.67B
- +$329.9M (+24.6%) vs. Q1 2025
- New holders
- 57
- 98 more added
- Sold out
- 38
- 81 more reduced
2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Arrowhead Pharmaceuticals, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 19,424,887 | $306.9M | 0.01% | −501,267−2.5% | Reduced |
| Vanguard Group Inc | 15,525,072 | $245.3M | 0.00% | +2,322,510+17.6% | Added |
| Avoro Capital Advisors LLC | 10,600,000 | $167.5M | 2.93% | −511,111−4.6% | Reduced |
| State Street Corp | 6,371,056 | $100.7M | 0.00% | −628,193−9.0% | Reduced |
| Slate Path Capital LP | 5,232,000 | $82.7M | 1.43% | 00.0% | Unchanged |
| FMR LLC | 5,170,310 | $81.7M | 0.00% | +1,855,228+56.0% | Added |
| Geode Capital Management, LLC | 2,978,505 | $47.1M | 0.00% | +28,193+1.0% | Added |
| UBS Asset Management Americas Inc | 2,684,317 | $42.4M | 0.01% | −2,100,745−43.9% | Reduced |
| Siren, L.L.C. | 2,669,880 | $42.2M | 2.18% | 00.0% | Unchanged |
| Marshall Wace, LLP | 2,155,998 | $34.1M | 0.04% | +2,096,238+3,507.8% | Added |
| Goldman Sachs Group Inc | 2,115,314 | $33.4M | 0.01% | +373,648+21.5% | Added |
| Norges Bank | 1,924,957 | $30.4M | 0.00% | +122,373+6.8% | Added |
| Morgan Stanley | 1,705,266 | $26.9M | 0.00% | −143,270−7.8% | Reduced |
| UBS Group AG | 1,600,596 | $25.3M | 0.01% | −25,967−1.6% | Reduced |
| Northern Trust Corp | 1,272,066 | $20.1M | 0.00% | +61,253+5.1% | Added |
| Charles Schwab Investment Management Inc | 1,170,745 | $18.5M | 0.00% | +135,455+13.1% | Added |
| Standard Life Aberdeen plc | 960,245 | $15.2M | 0.03% | −112,582−10.5% | Reduced |
| Baker Bros. Advisors LP | 939,174 | $14.8M | 0.14% | +939,174 | New |
| T. Rowe Price Investment Management, Inc. | 822,343 | $13.0M | 0.01% | −1,706,639−67.5% | Reduced |
| Western Financial Corp | 820,239 | $13.0M | 6.95% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 818,079 | $12.9M | 0.00% | +42,040+5.4% | Added |
| Invesco Ltd. | 762,665 | $12.1M | 0.00% | +448,585+142.8% | Added |
| Woodline Partners LP | 746,156 | $11.8M | 0.06% | +183,981+32.7% | Added |
| Bank of America Corp | 624,496 | $9.87M | 0.00% | −173,704−21.8% | Reduced |
| Privium Fund Management B.V. | 612,214 | $9.85M | 2.13% | −17,000−2.7% | Reduced |
| Principal Financial Group Inc | 623,097 | $9.84M | 0.01% | −5,978−1.0% | Reduced |
| Trexquant Investment LP | 503,654 | $7.96M | 0.09% | +503,654 | New |
| Schonfeld Strategic Advisors LLC | 482,055 | $7.62M | 0.06% | +429,435+816.1% | Added |
| Fisher Asset Management, LLC | 451,655 | $7.14M | 0.00% | −31,598−6.5% | Reduced |
| Public Sector Pension Investment Board | 428,386 | $6.77M | 0.03% | +28,516+7.1% | Added |
| Barclays PLC | 409,603 | $6.47M | 0.00% | +179,465+78.0% | Added |
| JPMorgan Chase & Co | 407,644 | $6.44M | 0.00% | −80,027−16.4% | Reduced |
| Legal & General Group Plc | 407,341 | $6.44M | 0.00% | +12,227+3.1% | Added |
| Royal Bank of Canada | 400,210 | $6.32M | 0.00% | +354,971+784.7% | Added |
| Two Sigma Advisers, LP | 391,800 | $6.19M | 0.01% | −332,000−45.9% | Reduced |
| Clearbridge Investments, LLC | 380,886 | $6.02M | 0.00% | −78,968−17.2% | Reduced |
| Dimensional Fund Advisors LP | 366,711 | $5.79M | 0.00% | +366,711 | New |
| Rhumbline Advisers | 359,997 | $5.69M | 0.00% | +14,018+4.1% | Added |
| Nuveen, LLC | 310,354 | $4.90M | 0.00% | −27,524−8.1% | Reduced |
| Susquehanna International Group, LLP | 307,745 | $4.86M | 0.01% | +18,369+6.3% | Added |
| Pictet Asset Management Holding SA | 277,333 | $4.45M | 0.00% | −10,697−3.7% | Reduced |
| Silvercrest Asset Management Group LLC | 280,177 | $4.43M | 0.03% | +428+0.2% | Added |
| Ameriprise Financial Inc | 267,027 | $4.22M | 0.00% | −19,204−6.7% | Reduced |
| Hudson Bay Capital Management LP | 260,000 | $4.11M | 0.03% | +46,870+22.0% | Added |
| Johnson & Johnson | 247,598 | $3.98M | 1.19% | 00.0% | Unchanged |
| Deutsche Bank AG | 235,446 | $3.72M | 0.00% | −14,543−5.8% | Reduced |
| Capital Fund Management S.A. | 226,365 | $3.58M | 0.04% | +63,219+38.7% | Added |
| Nordea Investment Management AB | 213,345 | $3.49M | 0.00% | +82,473+63.0% | Added |
| Pinnacle Associates Ltd | 211,561 | $3.34M | 0.05% | +70,399+49.9% | Added |
| Swiss National Bank | 209,800 | $3.31M | 0.00% | −7,100−3.3% | Reduced |
| Sphera Funds Management Ltd. | 202,996 | $3.21M | 0.84% | −74,554−26.9% | Reduced |
| Raymond James Financial Inc | 169,748 | $2.68M | 0.00% | +132,039+350.2% | Added |
| Millennium Management LLC | 169,041 | $2.67M | 0.00% | −521,755−75.5% | Reduced |
| Wealth Effects LLC | 165,650 | $2.62M | 0.98% | −4,900−2.9% | Reduced |
| Alliancebernstein L.P. | 159,070 | $2.51M | 0.00% | +4,300+2.8% | Added |
| PDT Partners, LLC | 152,988 | $2.42M | 0.14% | +152,988 | New |
| AQR Capital Management LLC | 152,351 | $2.41M | 0.00% | +111,845+276.1% | Added |
| Prudential Financial Inc | 130,290 | $2.40M | 0.00% | +6,335+5.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 151,275 | $2.39M | 0.00% | −87,053−36.5% | Reduced |
| New York State Teachers Retirement System | 148,476 | $2.35M | 0.00% | +100+0.1% | Added |
| Rafferty Asset Management, LLC | 141,925 | $2.24M | 0.01% | −50,866−26.4% | Reduced |
| Citigroup Inc | 140,786 | $2.22M | 0.00% | −186,524−57.0% | Reduced |
| Neo Ivy Capital Management | 138,081 | $2.18M | 0.70% | +138,081 | New |
| Two Sigma Investments, LP | 133,403 | $2.11M | 0.00% | −701,771−84.0% | Reduced |
| Kornitzer Capital Management Inc | 126,510 | $2.00M | 0.04% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 123,941 | $1.96M | 0.00% | +11,524+10.3% | Added |
| Man Group plc | 118,782 | $1.88M | 0.00% | +79,683+203.8% | Added |
| Great West Life Assurance Co | 116,305 | $1.84M | 0.00% | −1,867−1.6% | Reduced |
| Platinum Investment Management Ltd | 111,022 | $1.75M | 0.12% | +12,613+12.8% | Added |
| California State Teachers Retirement System | 103,976 | $1.64M | 0.00% | +1,301+1.3% | Added |
| Algert Global LLC | 102,490 | $1.62M | 0.03% | +102,490 | New |
| Price T Rowe Associates Inc | 100,608 | $1.59M | 0.00% | +7,419+8.0% | Added |
| Ontario Teachers Pension Plan Board | 97,338 | $1.54M | 0.03% | +51,569+112.7% | Added |
| Aquatic Capital Management LLC | 93,879 | $1.48M | 0.03% | −7,452−7.4% | Reduced |
| Thrivent Financial for Lutherans | 92,408 | $1.46M | 0.00% | −213−0.2% | Reduced |
| Franklin Resources Inc | 81,226 | $1.28M | 0.00% | +81,226 | New |
| KC Investment Advisors, LLC | 75,000 | $1.19M | 0.41% | −75,000−50.0% | Reduced |
| State of Alaska, Department of Revenue | 74,819 | $1.18M | 0.01% | +4,949+7.1% | Added |
| Alps Advisors Inc | 74,497 | $1.18M | 0.01% | +74,497 | New |
| Engineers Gate Manager LP | 74,405 | $1.18M | 0.01% | +33,837+83.4% | Added |
| MetLife Investment Management | 71,963 | $1.14M | 0.01% | 00.0% | Unchanged |
| Wells Fargo & Company | 68,374 | $1.08M | 0.00% | +1,034+1.5% | Added |
| M28 Capital Management LP | 67,400 | $1.06M | 1.82% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 64,760 | $1.02M | 0.00% | −1,571−2.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 64,200 | $1.01M | 0.00% | +64,200 | New |
| Manufacturers Life Insurance Company, The | 63,999 | $1.01M | 0.00% | −1,686−2.6% | Reduced |
| Citadel Advisors LLC | 62,245 | $983.5K | 0.00% | −924,706−93.7% | Reduced |
| Boothbay Fund Management, LLC | 61,947 | $978.8K | 0.03% | +61,947 | New |
| Intech Investment Management LLC | 60,534 | $956.4K | 0.01% | −21,619−26.3% | Reduced |
| Bayforest Capital Ltd | 59,403 | $938.6K | 0.41% | +59,403 | New |
| Louisiana State Employees Retirement System | 58,700 | $927.5K | 0.02% | −700−1.2% | Reduced |
| Commonwealth Equity Services, LLC | 58,310 | $921.0K | 0.00% | +24,946+74.8% | Added |
| Los Angeles Capital Management LLC | 57,948 | $915.6K | 0.00% | +57,948 | New |
| Simplex Trading, LLC | 57,307 | $905.0K | 0.02% | +215+0.4% | Added |
| ADAR1 Capital Management, LLC | 55,200 | $872.2K | 0.14% | −1,100−2.0% | Reduced |
| State of Tennessee, Treasury Department | 54,550 | $861.9K | 0.00% | −686−1.2% | Reduced |
| Voya Investment Management LLC | 53,264 | $841.6K | 0.00% | +21,080+65.5% | Added |
| King Luther Capital Management Corp | 52,140 | $823.8K | 0.00% | −31,450−37.6% | Reduced |
| Guggenheim Capital LLC | 50,818 | $802.9K | 0.01% | −2,440−4.6% | Reduced |
| Janus Henderson Group PLC | 49,845 | $787.8K | 0.00% | 00.0% | Unchanged |