Arcellx, Inc.
ACLXDelisted Apr 28, 2026- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001786205
Arcellx, Inc. was delisted on Apr 28, 2026; its insiders filed their last Form 4 on Apr 28, 2026; 240 institutions reported holding it in 13F filings for Q1 2026, worth $6.52B in total; Soros Fund Management was the only superinvestor holding it.
13F holders, Q2 2024
Institutional positions in Arcellx, Inc. as of Jun 30, 2024. 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
- 167
- −15 vs. Q1 2024
- Shares held
- 50.2M
- +3.25M (+6.9%) vs. Q1 2024
- Total value
- $2.77B
- −$494.3M (−15.1%) vs. Q1 2024
- New holders
- 22
- 80 more added
- Sold out
- 37
- 49 more reduced
1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ACLX 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 | 2 | $3.43M |
| Q1 2026 | 240 | $6.52B |
| Q4 2025 | 218 | $4.34B |
| Q3 2025 | 209 | $5.18B |
| Q2 2025 | 203 | $4.01B |
| Q1 2025 | 198 | $4.04B |
| Q4 2024 | 211 | $4.54B |
| Q3 2024 | 186 | $4.13B |
| Q2 2024 | 167 | $2.77B |
| Q1 2024 | 183 | $3.27B |
| Q4 2023 | 156 | $2.59B |
| Q3 2023 | 136 | $1.71B |
| Q2 2023 | 138 | $1.52B |
| Q1 2023 | 117 | $1.40B |
| Q4 2022 | 125 | $1.30B |
| Q3 2022 | 74 | $781.8M |
| Q2 2022 | 68 | $621.5M |
| Q1 2022 | 49 | $357.9M |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2024
Shares, value and share of portfolio for each institution holding Arcellx, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Lazard Asset Management LLC | 24 | $0 | 0.00% | −1,755−98.7% | Reduced |
| Covestor Ltd | 3 | $0 | 0.00% | 00.0% | Unchanged |
| TFC Financial Management | 1 | $56 | 0.00% | +1 | New |
| Principal Securities, Inc. | 2 | $110 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 6 | $322 | 0.00% | 00.0% | Unchanged |
| Institutional & Family Asset Management, LLC | 8 | $442 | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 10 | $541 | 0.00% | +10 | New |
| Bell Investment Advisors, Inc | 14 | $773 | 0.00% | +7+100.0% | Added |
| Rothschild Investment LLC | 20 | $1.10K | 0.00% | +15+300.0% | Added |
| CWM, LLC | 32 | $2.00K | 0.00% | +21+190.9% | Added |
| Fortitude Family Office, LLC | 38 | $2.10K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 40 | $2.21K | 0.00% | +40 | New |
| Clearstead Advisors, LLC | 54 | $2.98K | 0.00% | +54 | New |
| The PNC Financial Services Group, Inc. | 59 | $3.26K | 0.00% | +2+3.5% | Added |
| Advisor Group Holdings, Inc. | 76 | $4.19K | 0.00% | +48+171.4% | Added |
| Comerica Bank | 81 | $4.47K | 0.00% | −24−22.9% | Reduced |
| ADAR1 Capital Management, LLC | 100 | $5.52K | 0.00% | +100 | New |
| GAMMA Investing LLC | 135 | $7.45K | 0.00% | −17−11.2% | Reduced |
| Turim 21 Investimentos Ltda. | 179 | $9.88K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 176 | $10.0K | 0.00% | 00.0% | Unchanged |
| Pacer Advisors, Inc. | 488 | $26.9K | 0.00% | −105−17.7% | Reduced |
| Quest Partners LLC | 494 | $27.3K | 0.00% | +494 | New |
| Nisa Investment Advisors, LLC | 495 | $27.3K | 0.00% | +39+8.6% | Added |
| KBC Group NV | 1,011 | $56.0K | 0.00% | +345+51.8% | Added |
| Decheng Capital LLC | 1,177 | $65.0K | 0.02% | +1,177 | New |
| State of Wyoming | 1,250 | $69.0K | 0.01% | +621+98.7% | Added |
| Amalgamated Bank | 1,347 | $74.0K | 0.00% | +54+4.2% | Added |
| National Bank of Canada | 1,500 | $80.4K | 0.00% | +500+50.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,597 | $86.4K | 0.00% | −17,032−91.4% | Reduced |
| Virtus ETF Advisers LLC | 1,623 | $89.6K | 0.04% | −65−3.9% | Reduced |
| Exchange Traded Concepts, LLC | 3,125 | $172.5K | 0.00% | −971−23.7% | Reduced |
| Public Employees Retirement Association of Colorado | 3,217 | $178.0K | 0.00% | +3,217 | New |
| Mariner, LLC | 3,765 | $207.8K | 0.00% | −2,306−38.0% | Reduced |
| Integrated Wealth Concepts LLC | 3,775 | $208.3K | 0.00% | +3,775 | New |
| HSBC Holdings PLC | 4,063 | $218.4K | 0.00% | −1,103−21.4% | Reduced |
| Farallon Capital Management, L.L.C. | 4,000 | $220.8K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 4,223 | $233.1K | 0.01% | +253+6.4% | Added |
| Royal Bank of Canada | 4,347 | $240.0K | 0.00% | +3,057+237.0% | Added |
| Tower Research Capital LLC (TRC) | 4,639 | $256.0K | 0.00% | +4,243+1,071.5% | Added |
| Bridgefront Capital, LLC | 4,641 | $256.1K | 0.11% | +4,641 | New |
| US Bancorp | 4,752 | $262.3K | 0.00% | +3,213+208.8% | Added |
| Clough Capital Partners L P | 4,800 | $264.9K | 0.03% | +4,800 | New |
| Raymond James & Associates | 4,914 | $271.2K | 0.00% | −793−13.9% | Reduced |
| SEI Investments Co | 4,956 | $273.5K | 0.00% | −9,880−66.6% | Reduced |
| E Fund Management Co., Ltd. | 5,212 | $287.6K | 0.02% | −774−12.9% | Reduced |
| Two Sigma Advisers, LP | 5,300 | $292.5K | 0.00% | −43,100−89.0% | Reduced |
| Advisors Asset Management, Inc. | 5,476 | $302.2K | 0.01% | +1,279+30.5% | Added |
| Federated Hermes, Inc. | 5,733 | $316.4K | 0.00% | −225,928−97.5% | Reduced |
| Corton Capital Inc. | 6,273 | $346.2K | 0.18% | +3,158+101.4% | Added |
| China Universal Asset Management Co., Ltd. | 6,287 | $347.0K | 0.05% | −3,890−38.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,811 | $375.9K | 0.00% | +1,740+34.3% | Added |
| Teacher Retirement System of Texas | 7,021 | $387.0K | 0.00% | +665+10.5% | Added |
| High Net Worth Advisory Group LLC | 8,000 | $441.5K | 0.13% | 00.0% | Unchanged |
| ProShare Advisors LLC | 8,441 | $465.9K | 0.00% | −2,149−20.3% | Reduced |
| Winton Group Ltd | 8,761 | $483.5K | 0.03% | +8,761 | New |
| Arizona State Retirement System | 8,950 | $494.0K | 0.00% | +1,101+14.0% | Added |
| LPL Financial LLC | 9,124 | $503.6K | 0.00% | +672+8.0% | Added |
| Gotham Asset Management, LLC | 9,450 | $521.5K | 0.01% | +4,193+79.8% | Added |
| Handelsbanken Fonder AB | 10,300 | $568.0K | 0.00% | +10,300 | New |
| State Board of Administration of Florida Retirement System | 10,850 | $598.8K | 0.00% | +10,850 | New |
| NEOS Investment Management LLC | 11,162 | $616.0K | 0.03% | +8,109+265.6% | Added |
| Engineers Gate Manager LP | 11,228 | $619.7K | 0.01% | +4,940+78.6% | Added |
| Ameriprise Financial Inc | 11,310 | $624.2K | 0.00% | −2,933−20.6% | Reduced |
| State of New Jersey Common Pension Fund D | 11,756 | $648.8K | 0.00% | +11,756 | New |
| Jasper Ridge Partners, L.P. | 11,820 | $652.3K | 0.02% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 12,445 | $687.0K | 0.00% | +50.0% | Added |
| STRS Ohio | 13,100 | $723.0K | 0.00% | +2,500+23.6% | Added |
| Squarepoint Ops LLC | 15,829 | $873.6K | 0.00% | −105,182−86.9% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 15,859 | $875.3K | 0.05% | +6,439+68.4% | Added |
| Allspring Global Investments Holdings, LLC | 15,928 | $879.1K | 0.00% | +4,372+37.8% | Added |
| Profund Advisors LLC | 16,096 | $888.3K | 0.03% | −3,937−19.7% | Reduced |
| Allianz Asset Management GmbH | 16,800 | $927.2K | 0.00% | −3,100−15.6% | Reduced |
| AQR Capital Management LLC | 16,852 | $930.1K | 0.00% | +4,718+38.9% | Added |
| First Trust Advisors LP | 16,894 | $932.4K | 0.00% | −23,383−58.1% | Reduced |
| Wellington Management Group LLP | 18,200 | $1.00M | 0.00% | +2,503+15.9% | Added |
| New York State Common Retirement Fund | 18,899 | $1.04M | 0.00% | +1,924+11.3% | Added |
| Wells Fargo & Company | 19,995 | $1.10M | 0.00% | +2,161+12.1% | Added |
| Martingale Asset Management L P | 20,192 | $1.11M | 0.02% | −2,740−11.9% | Reduced |
| Harbor Capital Advisors, Inc. | 20,362 | $1.12M | 0.09% | +1,568+8.3% | Added |
| Erste Asset Management GmbH | 21,000 | $1.14M | 0.02% | 00.0% | Unchanged |
| Invesco Ltd. | 21,498 | $1.19M | 0.00% | +1,275+6.3% | Added |
| Citigroup Inc | 21,892 | $1.21M | 0.00% | −93,055−81.0% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 22,492 | $1.24M | 0.01% | −23,206−50.8% | Reduced |
| HealthInvest Partners AB | 22,496 | $1.24M | 0.76% | +5,000+28.6% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 22,755 | $1.25M | 0.00% | +22,755 | New |
| Congress Asset Management Co | 22,982 | $1.27M | 0.01% | −246−1.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 23,148 | $1.28M | 0.01% | −29,776−56.3% | Reduced |
| Corebridge Financial, Inc. | 23,189 | $1.28M | 0.01% | +23,189 | New |
| MetLife Investment Management | 24,981 | $1.38M | 0.01% | +5,387+27.5% | Added |
| Renaissance Technologies LLC | 27,072 | $1.49M | 0.00% | +27,072 | New |
| Moody Aldrich Partners LLC | 27,337 | $1.51M | 0.29% | +6,777+33.0% | Added |
| California State Teachers Retirement System | 32,064 | $1.77M | 0.00% | +2,516+8.5% | Added |
| Two Sigma Investments, LP | 34,461 | $1.90M | 0.00% | −154,393−81.8% | Reduced |
| Algert Global LLC | 35,211 | $1.94M | 0.06% | +6,901+24.4% | Added |
| Legal & General Group Plc | 35,405 | $1.95M | 0.00% | +6,061+20.7% | Added |
| Wexford Capital LP | 36,464 | $2.01M | 0.51% | +30,625+524.5% | Added |
| Principal Financial Group Inc | 37,352 | $2.06M | 0.00% | +517+1.4% | Added |
| Barclays PLC | 37,470 | $2.07M | 0.00% | −2,233−5.6% | Reduced |
| DekaBank Deutsche Girozentrale | 30,000 | $2.11M | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 39,153 | $2.16M | 0.00% | +2,578+7.0% | Added |