Arcellx, Inc. (NASDAQ:ACLX) is held by 214 institutional investors per 13F filings through December 2025.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| Gilead Sciences, Inc. | 31 Mar, 2026 | 6,720,803 | 0 | 0.00% | $771,682,600.00 |
| Paradigm Biocapital Advisors LP | 31 Mar, 2026 | 5,774,016 | 50,000 | 0.87% | $662,972,517.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 3,945,238 | 396,451 | 11.17% | $452,992,229.00 |
| NEA Management Company, LLC | 31 Mar, 2026 | 3,045,262 | 0 | 0.00% | $349,656,983.00 |
| Pentwater Capital Management LP | 31 Mar, 2026 | 2,870,000 | 2,870,000 | 0.00% | $329,533,400.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 2,425,218 | 2,425,218 | 0.00% | $278,463,531.00 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 31 Mar, 2026 | 2,424,818 | 2,424,818 | 0.00% | $278,417,603.00 |
| SR ONE CAPITAL MANAGEMENT, LP | 31 Mar, 2026 | 2,346,630 | 0 | 0.00% | $269,440,057.00 |
| FIL Ltd | 31 Mar, 2026 | 2,339,192 | 2,339,192 | 0.00% | $268,586,025.00 |
| HBK INVESTMENTS L P | 31 Mar, 2026 | 2,278,517 | 2,278,517 | 0.00% | $261,619,322.00 |
| T. Rowe Price Investment Management, Inc. | 31 Mar, 2026 | 2,255,878 | -13,958,070 | -86.09% | $259,020.00 |
| State Street Corp | 31 Mar, 2026 | 1,675,895 | -322,608 | -16.14% | $192,426,264.00 |
| GLAZER CAPITAL, LLC | 31 Mar, 2026 | 1,507,128 | 1,507,128 | 0.00% | $173,048.00 |
| Goldman Sachs Group Inc | 31 Mar, 2026 | 1,312,155 | -24,805 | -1.86% | $150,661,637.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 1,028,666 | 70,609 | 7.37% | $118,135,702.00 |
| Morgan Stanley | 31 Mar, 2026 | 925,813 | 407,409 | 78.59% | $106,301,939.00 |
| Jpmorgan Chase & Co | 31 Mar, 2026 | 593,573 | -860,904 | -59.19% | $68,124,374.00 |
| DAVIDSON KEMPNER CAPITAL MANAGEMENT LP | 31 Mar, 2026 | 559,644 | 559,644 | 0.00% | $64,258,324.00 |
| ALLIANCEBERNSTEIN L.P. | 31 Mar, 2026 | 544,227 | 503,436 | 1,234.18% | $35,483,600.00 |
| TIG Advisors, LLC | 31 Mar, 2026 | 541,378 | 541,378 | 0.00% | $62,161,022.00 |