According to SEC filings for the period ending September 2025, Arrowhead Pharmaceuticals, Inc. (NASDAQ:ARWR) is held by 302 institutional firms.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| BlackRock, Inc. | 30 Sep, 2025 | 20,224,825 | 799,938 | 4.12% | $697,554,214.00 |
| VANGUARD GROUP INC | 30 Sep, 2025 | 16,035,870 | 510,798 | 3.29% | $553,077,156.00 |
| Avoro Capital Advisors LLC | 30 Sep, 2025 | 10,900,000 | 300,000 | 2.83% | $375,941,000.00 |
| STATE STREET CORP | 30 Sep, 2025 | 6,397,364 | 26,308 | 0.41% | $220,645,084.00 |
| FMR LLC | 30 Sep, 2025 | 5,759,830 | 589,520 | 11.40% | $198,656,549.00 |
| Slate Path Capital LP | 30 Sep, 2025 | 4,982,000 | -250,000 | -4.78% | $171,829,180.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 30 Sep, 2025 | 3,131,042 | 152,537 | 5.12% | $108,008,198.00 |
| Siren, L.L.C. | 30 Sep, 2025 | 2,669,880 | 0 | 0.00% | $92,084,161.00 |
| DRIEHAUS CAPITAL MANAGEMENT LLC | 30 Sep, 2025 | 2,099,398 | 2,069,905 | 7,018.29% | $72,408,237.00 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 30 Sep, 2025 | 2,081,689 | 2,017,489 | 3,142.51% | $71,797,454.00 |
| GOLDMAN SACHS GROUP INC | 30 Sep, 2025 | 1,823,578 | -373,036 | -16.98% | $62,895,205.00 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 30 Sep, 2025 | 1,759,489 | -924,828 | -34.45% | $60,684,776.00 |
| MORGAN STANLEY | 30 Sep, 2025 | 1,702,674 | -2,592 | -0.15% | $58,725,264.00 |
| BAKER BROS. ADVISORS LP | 30 Sep, 2025 | 1,670,762 | 731,588 | 77.90% | $57,624,581.00 |
| MARSHALL WACE, LLP | 30 Sep, 2025 | 1,436,840 | -719,158 | -33.36% | $49,556,613.00 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 30 Sep, 2025 | 1,345,860 | 175,115 | 14.96% | $46,418,711.00 |
| NORTHERN TRUST CORP | 30 Sep, 2025 | 1,311,590 | 39,524 | 3.11% | $45,236,740.00 |
| Fisher Asset Management, LLC | 30 Sep, 2025 | 1,053,794 | 602,139 | 133.32% | $36,345,353.00 |
| Woodline Partners LP | 30 Sep, 2025 | 1,000,158 | 254,002 | 34.04% | $34,495,449.00 |
| DEERFIELD MANAGEMENT COMPANY, L.P. | 30 Sep, 2025 | 993,000 | 966,561 | 3,655.82% | $34,248,570.00 |