Arrowhead PharmaceuticalsARWR
13F holders, Q1 2025 (March 31)264holders −5
41new positions
45sold out
5famous investors
$12.75avg. 13F price*
At the end of Q1 2025, 264 institutions reported holding Arrowhead Pharmaceuticals Inc. (ARWR) in their 13F filings, down 5 from Q4 2024. 41 opened new positions and 45 sold out. The largest holders were BlackRock, Inc. ($253.9M), Vanguard Group Inc. ($168.2M) and Avoro Capital Advisors LLC ($141.6M). 5 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio).
- Company
- Arrowhead Pharmaceuticals Inc.
- CUSIP
- 04280A100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 41 | $20.1M |
| Exits | 45 | $36.2M |
All 13F filers, Q4 2024 → Q1 2025: 16,187,414 shares bought and 10,678,282 shares sold, net +5,509,132 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 264 holders
| BlackRock, Inc. | 0.01% | Add +23.2% | 19,926,154 | $253.9M |
| Vanguard Group Inc. | 0.00% | Add +8.4% | 13,202,562 | $168.2M |
| Avoro Capital Advisors LLC | 2.21% | No change | 11,111,111 | $141.6M |
| State Street Corp. | 0.00% | Add +16.3% | 6,999,249 | $89.2M |
| Slate Path Capital LP | 1.20% | No change | 5,232,000 | $66.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.02% | Add +138.1% | 4,785,062 | $61.0M |
| FMR LLC | 0.00% | Reduce -35.0% | 3,315,082 | $42.2M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.2% | 2,950,312 | $37.6M |
| Siren, L.L.C. | 1.92% | Reduce -8.0% | 2,669,880 | $34.0M |
| T. Rowe Price Investment Management, Inc. | 0.02% | Add +0.9% | 2,528,982 | $32.2M |
| Morgan Stanley | 0.00% | Add +20.3% | 1,848,536 | $23.6M |
| Norges Bank | 0.00% | Reduce -12.3% | 1,802,584 | $23.0M |
| Goldman Sachs Group Inc. | 0.00% | Add +34.6% | 1,741,666 | $22.2M |
| UBS Group AG | 0.00% | Add +24.6% | 1,626,563 | $20.7M |
| Northern Trust Corp. | 0.00% | Reduce -18.4% | 1,210,813 | $15.4M |
| Aberdeen Group plc | 0.03% | Add +138.4% | 1,072,827 | $13.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +1.7% | 1,035,290 | $13.2M |
| Citadel Advisors | 0.01% | Add +168.2% | 986,951 | $12.6M |
| Two Sigma Investments, LP | 0.02% | Add +5.1% | 835,174 | $10.6M |
| Western Financial Corp | 6.07% | No change | 820,239 | $10.4M |
| Bank of America Corp. | 0.00% | Add +38.6% | 798,200 | $10.2M |
| Bank of New York Mellon Corp | 0.00% | Reduce -6.5% | 776,039 | $9.9M |
| Two Sigma Advisers, LP | 0.02% | Add +68.0% | 723,800 | $9.2M |
| Millennium Management | 0.01% | Reduce -24.5% | 690,796 | $8.8M |
| Privium Fund Management B.V. | 2.09% | Add +65.3% | 629,214 | $8.0M |
| Principal Financial Group Inc. | 0.00% | Add +117.8% | 629,075 | $8.0M |
| Woodline Partners LP | 0.05% | Reduce -33.1% | 562,175 | $7.2M |
| Aquilo Capital Management, LLC | 18.90% | Reduce -22.3% | 550,130 | $7.0M |
| JPMorgan Chase & Co. | 0.00% | Reduce -75.9% | 487,671 | $6.2M |
| Fisher Asset Management | 0.00% | Add +238.1% | 483,253 | $6.2M |
| Clearbridge Investments, LLC | 0.01% | New | 459,854 | $5.9M |
| Public Sector Pension Investment Board | 0.02% | New | 399,870 | $5.1M |
| Legal & General Group Plc | 0.00% | Add +61.1% | 395,114 | $5.0M |
| Rhumbline Advisers | 0.00% | Reduce -9.0% | 345,979 | $4.4M |
| Nuveen, LLC | 0.00% | — | 337,878 | $4.3M |
| Citigroup Inc. | 0.00% | Add +88.2% | 327,310 | $4.2M |
| Invesco Ltd. | 0.00% | Add +78.2% | 314,080 | $4.0M |
| Pictet Asset Management Holding SA | 0.00% | Add +1926.4% | 288,030 | $4.0M |
| Edgestream Partners, L.P. | 0.13% | Add +153.7% | 305,507 | $3.9M |
| Susquehanna International Group, LLP | 0.01% | Reduce -30.8% | 289,376 | $3.7M |
| Ameriprise Financial Inc. | 0.00% | Add +27.2% | 286,231 | $3.6M |
| Silvercrest Asset Management Group LLC | 0.03% | Reduce -0.3% | 279,749 | $3.6M |
| Sphera Funds Management LTD. | 0.87% | Add +40.5% | 277,550 | $3.5M |
| Deutsche Bank AG | 0.00% | Reduce -3.5% | 249,989 | $3.2M |
| Johnson & Johnson | 0.92% | No change | 247,598 | $3.2M |
| Squarepoint Ops LLC | 0.01% | Add +179.1% | 240,175 | $3.1M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.01% | Reduce -1.8% | 238,328 | $3.0M |
| Barclays PLC | 0.00% | Reduce -26.4% | 230,138 | $2.9M |
| Swiss National Bank | 0.00% | Reduce -1.4% | 216,900 | $2.8M |
| Hudson Bay Capital Management LP | 0.02% | Add +21.8% | 213,130 | $2.7M |
| Rafferty Asset Management, LLC | 0.01% | Add +39.3% | 192,791 | $2.5M |
| Prudential Financial Inc. | 0.00% | Add +909.0% | 123,955 | $2.3M |
| Schroder Investment Management Group | 0.00% | Reduce -19.9% | 165,122 | $2.3M |
| Integral Health Asset Management, LLC | 0.25% | Reduce -36.4% | 175,000 | $2.2M |
| Wealth Effects LLC | 0.91% | Add +9.4% | 170,550 | $2.2M |
| Capital Fund Management S.A. | 0.03% | New | 163,146 | $2.1M |
| Alliancebernstein L.P. | 0.00% | Reduce -41.7% | 154,770 | $2.0M |
| Pinion Investment Advisors, LLC | 0.42% | Add +100.0% | 150,000 | $1.9M |
| New York State Teachers Retirement System | 0.00% | Add +6.9% | 148,376 | $1.9M |
| Pinnacle Associates Ltd. | 0.03% | New | 141,162 | $1.8M |
| Qube Research & Technologies Ltd | 0.00% | Add +11.1% | 132,095 | $1.7M |
| Nordea Investment Management AB | 0.00% | Reduce -1.0% | 130,872 | $1.7M |
| Kornitzer Capital Management Inc. | 0.03% | No change | 126,510 | $1.6M |
| Capital International Investors | 0.00% | No change | 126,230 | $1.6M |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +17.5% | 118,172 | $1.5M |
| Verition Fund Management LLC | 0.01% | Add +250.7% | 115,229 | $1.5M |
| HighTower Advisors, LLC | 0.00% | Add +49.8% | 112,417 | $1.4M |
| California State Teachers Retirement System | 0.00% | Reduce -2.4% | 102,675 | $1.3M |
| State of New Jersey Common Pension Fund D | 0.01% | Reduce -9.1% | 102,572 | $1.3M |
| Aquatic Capital Management LLC | 0.03% | Reduce -40.2% | 101,331 | $1.3M |
| Balyasny Asset Management L.P. | 0.00% | Reduce -73.3% | 99,723 | $1.3M |
| Platinum Investment Management Ltd. | 0.07% | Add +11.3% | 98,409 | $1.3M |
| T. Rowe Price Associates Inc. | 0.00% | Add +22.9% | 93,189 | $1.2M |
| Walleye Capital LLC | 0.01% | Reduce -46.3% | 93,041 | $1.2M |
| Thrivent Financial for Lutherans | 0.00% | Add +216.6% | 92,621 | $1.2M |
| Jump Financial, LLC | 0.02% | Reduce -37.4% | 88,204 | $1.1M |
| King Luther Capital Management Corp. | 0.01% | Add +8.6% | 83,590 | $1.1M |
| BNP Paribas Financial Markets | 0.00% | Reduce -5.9% | 82,823 | $1.1M |
| Intech Investment Management LLC | 0.01% | Reduce -7.3% | 82,153 | $1.0M |
| HRT Financial LP | 0.01% | Reduce -5.8% | 73,577 | $937K |
| MetLife Investment Management, LLC | 0.00% | Reduce -49.0% | 71,963 | $917K |
| Gsa Capital Partners LLP | 0.08% | Add +514.4% | 71,685 | $913K |
| Magnetar Financial LLC | 0.01% | Add +389.8% | 70,375 | $897K |
| State of Alaska, Department of Revenue | 0.01% | Add +393.4% | 69,870 | $890K |
| SG Americas Securities, LLC | 0.00% | New | 68,346 | $871K |
| M28 Capital Management LP | 1.18% | No change | 67,400 | $859K |
| Wells Fargo & Company | 0.00% | Add +7.1% | 67,340 | $858K |
| CenterBook Partners LP | 0.05% | Reduce -80.9% | 66,913 | $852K |
| State of Wisconsin Investment Board | 0.00% | Add +0.4% | 66,331 | $845K |
| Tudor Investment Corporation | 0.01% | Reduce -1.3% | 65,708 | $837K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -52.5% | 65,685 | $837K |
| Corebridge Financial, Inc. | 0.00% | Reduce -68.6% | 62,556 | $797K |
| Marshall Wace, LLP | 0.00% | Reduce -31.0% | 59,760 | $761K |
| Louisiana State Employees Retirement System | 0.02% | Add +72.2% | 59,400 | $757K |
| Simplex Trading, LLC | 0.03% | Add +250.1% | 57,092 | $727K |
| TD Asset Management Inc | 0.00% | Reduce -11.3% | 56,606 | $721K |
| ADAR1 Capital Management, LLC | 0.14% | Add +336.4% | 56,300 | $717K |
| Fox Run Management, L.L.C. | 0.11% | Add +5.8% | 55,404 | $706K |
| State of Tennessee, Department of Treasury | 0.00% | Add +79.6% | 55,236 | $704K |
| Janus Henderson Group PLC | 0.00% | No change | 49,845 | $689K |
"% of holder's portfolio" is ARWR's weight in each manager's 13F, not the share of Arrowhead Pharmaceuticals Inc. the manager owns.