Arcellx, Inc. (NASDAQ:ACLX) currently has 7 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| GILEAD SCIENCES, INC. | 30 Sep, 2025 | 6,720,803 | 0 | 0.00% | $551,777,926.00 |
| T. Rowe Price Investment Management, Inc. | 30 Sep, 2025 | 6,352,356 | 4,408,630 | 226.81% | $521,529.00 |
| FMR LLC | 30 Sep, 2025 | 5,761,317 | -210,834 | -3.53% | $473,004,165.00 |
| Paradigm Biocapital Advisors LP | 30 Sep, 2025 | 4,649,016 | 0 | 0.00% | $381,684,214.00 |
| VANGUARD GROUP INC | 30 Sep, 2025 | 3,907,087 | -37,798 | -0.96% | $320,771,843.00 |
| BlackRock, Inc. | 30 Sep, 2025 | 3,387,896 | -80,288 | -2.31% | $278,146,282.00 |
| NEA Management Company, LLC | 30 Sep, 2025 | 3,045,262 | -700,000 | -18.69% | $250,016,010.00 |
| RA CAPITAL MANAGEMENT, L.P. | 30 Sep, 2025 | 3,036,527 | 0 | 0.00% | $249,298,867.00 |
| PERCEPTIVE ADVISORS LLC | 30 Sep, 2025 | 2,468,353 | -9,647 | -0.39% | $202,651,781.00 |
| SR ONE CAPITAL MANAGEMENT, LP | 30 Sep, 2025 | 2,346,630 | 0 | 0.00% | $192,658,323.00 |
| STATE STREET CORP | 30 Sep, 2025 | 1,526,027 | -66,286 | -4.16% | $125,286,817.00 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 30 Sep, 2025 | 1,264,051 | -174,722 | -12.14% | $103,779.00 |
| Vestal Point Capital, LP | 30 Sep, 2025 | 1,250,000 | -1,500,000 | -54.55% | $102,625,000.00 |
| AJU IB Investment Co., Ltd. | 30 Sep, 2025 | 1,047,557 | 0 | 0.00% | $86,004,430.00 |
| CITADEL ADVISORS LLC | 30 Sep, 2025 | 1,021,453 | 1,021,453 | 0.00% | $83,861,291.00 |
| JANUS HENDERSON GROUP PLC | 30 Sep, 2025 | 1,013,921 | -9,661 | -0.94% | $83,246,424.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 30 Sep, 2025 | 926,304 | -35,474 | -3.69% | $76,063,242.00 |
| JPMORGAN CHASE & CO | 30 Sep, 2025 | 882,503 | -94,465 | -9.67% | $72,453,497.00 |
| Capital World Investors | 30 Sep, 2025 | 783,011 | 0 | 0.00% | $64,285,203.00 |
| Cormorant Asset Management, LP | 30 Sep, 2025 | 775,000 | -25,000 | -3.13% | $63,627,500.00 |