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 |
|---|---|---|---|---|---|
| PDT Partners, LLC | 70,048 | $4.65M | 0.30% | −20,771−22.9% | Reduced |
| State of Alaska, Department of Revenue | 70,399 | $4.67M | 0.05% | +831+1.2% | Added |
| MetLife Investment Management | 73,040 | $4.85M | 0.02% | +1,077+1.5% | Added |
| Creative Planning | 74,421 | $4.94M | 0.00% | +22,415+43.1% | Added |
| KC Investment Advisors, LLC | 75,000 | $4.98M | 1.21% | 00.0% | Unchanged |
| ACT Capital Management, LLC | 75,000 | $4.98M | 4.03% | +75,000 | New |
| Erste Asset Management GmbH | 73,000 | $5.08M | 0.04% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 79,214 | $5.26M | 0.01% | +14,339+22.1% | Added |
| Aquatic Capital Management LLC | 80,958 | $5.37M | 0.15% | +55,287+215.4% | Added |
| Rafferty Asset Management, LLC | 84,469 | $5.61M | 0.02% | −29,910−26.1% | Reduced |
| Platinum Investment Management Ltd | 89,484 | $5.94M | 1.37% | −21,538−19.4% | Reduced |
| Victory Capital Management Inc | 92,623 | $6.15M | 0.00% | +47,454+105.1% | Added |
| Thrivent Financial for Lutherans | 95,001 | $6.31M | 0.01% | −4,743−4.8% | Reduced |
| Polygon Management Ltd. | 96,935 | $6.44M | 1.36% | +15,094+18.4% | Added |
| Manufacturers Life Insurance Company, The | 98,151 | $6.55M | 0.01% | +35,151+55.8% | Added |
| Integral Health Asset Management, LLC | 100,000 | $6.64M | 0.34% | −125,000−55.6% | Reduced |
| LPL Financial LLC | 100,277 | $6.66M | 0.00% | +50,113+99.9% | Added |
| Neuberger Berman Group LLC | 100,385 | $6.66M | 0.00% | +87,000+650.0% | Added |
| Franklin Resources Inc | 107,366 | $7.13M | 0.00% | −9,138−7.8% | Reduced |
| Weiss Asset Management LP | 111,375 | $7.39M | 0.10% | +111,375 | New |
| SEI Investments Co | 112,279 | $7.45M | 0.01% | +98,663+724.6% | Added |
| California State Teachers Retirement System | 118,372 | $7.86M | 0.01% | +14,390+13.8% | Added |
| Great West Life Assurance Co | 118,750 | $7.88M | 0.01% | −11,208−8.6% | Reduced |
| Russell Investments Group, Ltd. | 122,115 | $8.11M | 0.01% | +109,231+847.8% | Added |
| Marshall Wace, LLP | 123,855 | $8.22M | 0.01% | −1,312,985−91.4% | Reduced |
| HighTower Advisors, LLC | 133,229 | $8.85M | 0.01% | +340+0.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 133,875 | $8.89M | 0.01% | −4,145−3.0% | Reduced |
| WCM Investment Management, LLC | 138,905 | $9.34M | 0.02% | +138,905 | New |
| Wealth Effects LLC | 143,300 | $9.51M | 2.98% | −25,150−14.9% | Reduced |
| Rhenman & Partners Asset Management AB | 144,500 | $9.59M | 0.90% | +144,500 | New |
| D. E. Shaw & Co., Inc. | 146,064 | $9.70M | 0.01% | +125,763+619.5% | Added |
| AQR Capital Management LLC | 147,353 | $9.78M | 0.01% | +4,528+3.2% | Added |
| Dimensional Fund Advisors LP | 147,412 | $9.79M | 0.00% | −327,050−68.9% | Reduced |
| New York State Teachers Retirement System | 149,776 | $9.94M | 0.02% | +1,300+0.9% | Added |
| Prudential Financial Inc | 152,225 | $10.1M | 0.01% | +15,580+11.4% | Added |
| Wells Fargo & Company | 152,507 | $10.1M | 0.00% | +72,272+90.1% | Added |
| Silvercrest Asset Management Group LLC | 158,622 | $10.5M | 0.07% | −114,352−41.9% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 159,532 | $10.6M | 0.04% | +159,532 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 159,538 | $10.6M | 0.02% | −1,447−0.9% | Reduced |
| Alliancebernstein L.P. | 172,666 | $11.5M | 0.00% | +16,772+10.8% | Added |
| Pinnacle Associates Ltd | 191,669 | $12.7M | 0.16% | −11,645−5.7% | Reduced |
| Hillsdale Investment Management Inc. | 193,850 | $12.9M | 0.36% | +193,850 | New |
| Raymond James Financial Inc | 198,387 | $13.2M | 0.00% | −28,882−12.7% | Reduced |
| Clearbridge Investments, LLC | 208,062 | $13.8M | 0.01% | −183,093−46.8% | Reduced |
| First Trust Advisors LP | 237,730 | $15.8M | 0.01% | +29,775+14.3% | Added |
| Deutsche Bank AG | 242,074 | $16.1M | 0.01% | −3,998−1.6% | Reduced |
| Swiss National Bank | 245,400 | $16.3M | 0.01% | +31,300+14.6% | Added |
| Trexquant Investment LP | 250,944 | $16.7M | 0.15% | +250,944 | New |
| Ameriprise Financial Inc | 257,477 | $17.1M | 0.00% | −16,686−6.1% | Reduced |
| FengHe Fund Management Pte. Ltd. | 266,700 | $17.7M | 1.00% | +266,700 | New |
| Standard Life Aberdeen plc | 286,146 | $19.0M | 0.03% | −234,498−45.0% | Reduced |
| Voloridge Investment Management, LLC | 288,511 | $19.2M | 0.07% | −114,148−28.3% | Reduced |
| Nuveen, LLC | 288,578 | $19.2M | 0.01% | +10,242+3.7% | Added |
| Barclays PLC | 321,833 | $21.4M | 0.01% | −28,406−8.1% | Reduced |
| Nordea Investment Management AB | 324,251 | $21.6M | 0.02% | −48,031−12.9% | Reduced |
| Rhumbline Advisers | 352,395 | $23.4M | 0.02% | −18,717−5.0% | Reduced |
| Eventide Asset Management, LLC | 370,000 | $24.6M | 0.38% | +370,000 | New |
| Alyeska Investment Group, L.P. | 375,371 | $24.9M | 0.07% | +375,371 | New |
| Balyasny Asset Management LLC | 376,216 | $25.0M | 0.05% | −416,750−52.6% | Reduced |
| Legal & General Group Plc | 395,311 | $26.2M | 0.01% | +8,937+2.3% | Added |
| Privium Fund Management B.V. | 398,204 | $26.4M | 4.87% | −75,747−16.0% | Reduced |
| Woodline Partners LP | 400,184 | $26.6M | 0.10% | −599,974−60.0% | Reduced |
| Voya Investment Management LLC | 422,731 | $28.1M | 0.03% | +285,215+207.4% | Added |
| Summit Partners Public Asset Management, LLC | 470,000 | $31.2M | 0.88% | +470,000 | New |
| Citadel Advisors LLC | 474,259 | $31.5M | 0.02% | +156,645+49.3% | Added |
| Public Sector Pension Investment Board | 478,514 | $31.8M | 0.11% | −60,822−11.3% | Reduced |
| Invesco Ltd. | 547,758 | $36.4M | 0.00% | +44,866+8.9% | Added |
| Adage Capital Partners GP, L.L.C. | 550,000 | $36.5M | 0.06% | +550,000 | New |
| RTW Investments, LP | 584,716 | $38.8M | 0.39% | +584,716 | New |
| JPMorgan Chase & Co | 611,910 | $40.6M | 0.00% | −163,807−21.1% | Reduced |
| Bank of America Corp | 622,029 | $41.3M | 0.00% | −138,658−18.2% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 663,262 | $44.0M | 0.12% | +538,733+432.6% | Added |
| Assenagon Asset Management S.A. | 684,889 | $45.5M | 0.07% | +304,264+79.9% | Added |
| Principal Financial Group Inc | 715,539 | $47.5M | 0.02% | −64,593−8.3% | Reduced |
| Western Financial Corp | 820,239 | $54.5M | 21.60% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 838,818 | $55.7M | 0.01% | +728,573+660.9% | Added |
| Bank of New York Mellon Corp | 887,848 | $58.9M | 0.01% | +73,300+9.0% | Added |
| Vestal Point Capital, LP | 900,000 | $59.8M | 2.19% | +900,000 | New |
| UBS Group AG | 987,287 | $65.5M | 0.01% | +69,104+7.5% | Added |
| Pictet Asset Management Holding SA | 1,028,736 | $68.6M | 0.07% | +737,713+253.5% | Added |
| UBS Asset Management Americas Inc | 1,260,380 | $83.7M | 0.02% | −499,109−28.4% | Reduced |
| Janus Henderson Group PLC | 1,280,446 | $85.0M | 0.04% | +306,879+31.5% | Added |
| Fisher Asset Management, LLC | 1,311,727 | $87.1M | 0.03% | +257,933+24.5% | Added |
| Northern Trust Corp | 1,346,257 | $89.4M | 0.01% | +34,667+2.6% | Added |
| Charles Schwab Investment Management Inc | 1,353,719 | $89.9M | 0.01% | +7,859+0.6% | Added |
| Morgan Stanley | 1,476,005 | $98.0M | 0.01% | −226,669−13.3% | Reduced |
| Siren, L.L.C. | 1,500,476 | $99.6M | 2.97% | −1,169,404−43.8% | Reduced |
| Goldman Sachs Group Inc | 1,677,522 | $111.4M | 0.02% | −96,356−5.4% | Reduced |
| Norges Bank | 1,704,464 | $113.2M | 0.01% | +1,704,464 | New |
| Driehaus Capital Management LLC | 1,769,340 | $117.5M | 0.80% | −330,058−15.7% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 1,832,946 | $121.7M | 1.56% | +839,946+84.6% | Added |
| Fred Alger Management, LLC | 1,832,997 | $121.7M | 0.48% | +1,526,164+497.4% | Added |
| Arrowstreet Capital, Limited Partnership | 2,087,953 | $138.6M | 0.08% | +6,264+0.3% | Added |
| Baker Bros. Advisors LP | 2,175,645 | $144.4M | 0.85% | +504,883+30.2% | Added |
| Slate Path Capital LP | 2,523,500 | $167.5M | 2.26% | −2,458,500−49.3% | Reduced |
| Geode Capital Management, LLC | 3,264,963 | $216.8M | 0.01% | +133,921+4.3% | Added |
| State Street Corp | 6,403,830 | $425.2M | 0.01% | +6,466+0.1% | Added |
| FMR LLC | 6,520,408 | $432.9M | 0.02% | +760,578+13.2% | Added |
| Avoro Capital Advisors LLC | 10,625,000 | $705.4M | 6.93% | −275,000−2.5% | Reduced |
| Vanguard Group Inc | 15,293,121 | $1.02B | 0.01% | −742,749−4.6% | Reduced |