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, Q1 2026
Institutional positions in Arcellx, Inc. as of Mar 31, 2026. 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
ACLX is no longer listed, so this page shows Q1 2026. 13F filings for later quarters list far fewer holders.
- Institutional holders
- 240
- +26 vs. Q4 2025
- Shares held
- 57.0M
- −5.51M (−8.8%) vs. Q4 2025
- Total value
- $6.52B
- +$2.44B (+59.9%) vs. Q4 2025
- New holders
- 97
- 62 more added
- Sold out
- 71
- 56 more reduced
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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, Q1 2026
Shares, value and share of portfolio for each institution holding Arcellx, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Capital Advisors, Ltd. LLC | 1 | $0 | 0.00% | +1 | New |
| TFC Financial Management | 1 | $115 | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 2 | $230 | 0.00% | +2 | New |
| Twin Peaks Wealth Advisors, LLC | 2 | $230 | 0.00% | +2 | New |
| Ronald Blue Trust, Inc. | 3 | $344 | 0.00% | −5−62.5% | Reduced |
| Stone House Investment Management, LLC | 3 | $344 | 0.00% | +3 | New |
| LRI Investments, LLC | 4 | $459 | 0.00% | +4 | New |
| Rothschild Investment LLC | 5 | $574 | 0.00% | −35−87.5% | Reduced |
| Hughes Financial Services, LLC | 5 | $574 | 0.00% | +3+150.0% | Added |
| Bell Investment Advisors, Inc | 7 | $804 | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 7 | $804 | 0.00% | 00.0% | Unchanged |
| Basecamp Wealth Advisors LLC | 10 | $1.15K | 0.00% | −10−50.0% | Reduced |
| IFP Advisors, Inc | 12 | $1.38K | 0.00% | −8−40.0% | Reduced |
| Quadrant Capital Group LLC | 14 | $1.61K | 0.00% | 00.0% | Unchanged |
| Cornerstone Financial Management LLC | 15 | $1.72K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 16 | $1.84K | 0.00% | −9−36.0% | Reduced |
| Assetmark, Inc | 18 | $2.07K | 0.00% | −32−64.0% | Reduced |
| TD Private Client Wealth LLC | 18 | $2.07K | 0.00% | +16+800.0% | Added |
| Bessemer Group Inc | 30 | $3.00K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 29 | $3.33K | 0.00% | 00.0% | Unchanged |
| First Horizon Corp | 30 | $3.44K | 0.00% | +7+30.4% | Added |
| Signaturefd, LLC | 31 | $3.56K | 0.00% | −5−13.9% | Reduced |
| Huntington National Bank | 32 | $3.67K | 0.00% | 00.0% | Unchanged |
| Bare Financial Services, Inc | 39 | $4.48K | 0.00% | +14+56.0% | Added |
| AdvisorNet Financial, Inc | 42 | $4.82K | 0.00% | +42 | New |
| Farther Finance Advisors, LLC | 44 | $5.05K | 0.00% | +17+63.0% | Added |
| Aventura Private Wealth, LLC | 45 | $5.17K | 0.00% | 00.0% | Unchanged |
| SMA Capital LLC | 53 | $6.08K | 0.00% | +53 | New |
| SRS Capital Advisors, Inc. | 60 | $6.89K | 0.00% | −91−60.3% | Reduced |
| Royal Bank of Canada | 59 | $7.00K | 0.00% | −951−94.2% | Reduced |
| CWM, LLC | 77 | $8.84K | 0.00% | −124−61.7% | Reduced |
| EverSource Wealth Advisors, LLC | 78 | $8.95K | 0.00% | −32−29.1% | Reduced |
| Allworth Financial LP | 80 | $9.19K | 0.00% | +56+233.3% | Added |
| Keating Financial Advisory Services, Inc. | 107 | $12.3K | 0.00% | −103−49.0% | Reduced |
| E Fund Management (Hong Kong) Co., Ltd. | 126 | $14.5K | 0.01% | +126 | New |
| Parallel Advisors, LLC | 133 | $15.3K | 0.00% | +78+141.8% | Added |
| Covestor Ltd | 151 | $17.0K | 0.01% | −74−32.9% | Reduced |
| Optiver Holding B.V. | 226 | $25.9K | 0.00% | +182+413.6% | Added |
| SBI Securities Co., Ltd. | 239 | $27.4K | 0.00% | −3,277−93.2% | Reduced |
| Sterling Capital Management LLC | 249 | $28.6K | 0.00% | +20+8.7% | Added |
| Versant Capital Management, Inc | 250 | $28.7K | 0.00% | +7+2.9% | Added |
| Smartleaf Asset Management LLC | 305 | $35.0K | 0.00% | −12−3.8% | Reduced |
| Larson Financial Group LLC | 357 | $41.0K | 0.00% | +278+351.9% | Added |
| Quarry LP | 360 | $41.3K | 0.01% | +360 | New |
| Bayforest Capital Ltd | 375 | $43.1K | 0.05% | +375 | New |
| Fifth Third Bancorp | 382 | $43.8K | 0.00% | +382 | New |
| GAMMA Investing LLC | 456 | $52.4K | 0.00% | +122+36.5% | Added |
| Group One Trading, L.P. | 462 | $53.0K | 0.00% | −1,507−76.5% | Reduced |
| Rockefeller Capital Management L.P. | 484 | $55.6K | 0.00% | +387+399.0% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 485 | $55.7K | 0.00% | +119+32.5% | Added |
| Strengthening Families & Communities, LLC | 500 | $57.4K | 0.01% | +500 | New |
| State of Wyoming | 524 | $60.2K | 0.01% | −13−2.4% | Reduced |
| The PNC Financial Services Group, Inc. | 580 | $66.6K | 0.00% | +155+36.5% | Added |
| Quantbot Technologies LP | 749 | $86.0K | 0.00% | +749 | New |
| Nisa Investment Advisors, LLC | 844 | $96.9K | 0.00% | +415+96.7% | Added |
| Meteora Capital, LLC | 876 | $100.6K | 0.01% | +876 | New |
| US Bancorp | 909 | $104.4K | 0.00% | −39−4.1% | Reduced |
| Advisor Group Holdings, Inc. | 954 | $109.5K | 0.00% | +860+914.9% | Added |
| KBC Group NV | 1,056 | $121.0K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 1,299 | $149.2K | 0.00% | +163+14.3% | Added |
| Everence Capital Management Inc | 1,888 | $217.0K | 0.01% | +1,888 | New |
| Meeder Advisory Services, Inc. | 1,928 | $221.4K | 0.01% | +1,928 | New |
| Jones Financial Companies LLLP | 1,937 | $221.9K | 0.00% | +970+100.3% | Added |
| CIBC Bancorp USA Inc. | 1,940 | $222.8K | 0.00% | +1,940 | New |
| Empowered Funds, LLC | 2,010 | $230.8K | 0.00% | +2,010 | New |
| Swiss Life Asset Management Ltd | 2,065 | $237.1K | 0.00% | +2,065 | New |
| FORA Capital, LLC | 2,077 | $238.5K | 0.02% | +2,077 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 2,148 | $246.6K | 0.00% | −1,804−45.6% | Reduced |
| DnB Asset Management AS | 2,162 | $248.2K | 0.00% | +2,162 | New |
| Tower Research Capital LLC (TRC) | 2,270 | $260.6K | 0.01% | +1,843+431.6% | Added |
| Vident Advisory, LLC | 2,298 | $263.9K | 0.00% | +2,298 | New |
| CIBC Asset Management Inc | 2,508 | $288.0K | 0.00% | +2,508 | New |
| Abel Hall, LLC | 2,602 | $298.8K | 0.06% | +2,602 | New |
| Two Sigma Securities, LLC | 2,673 | $306.9K | 0.04% | +2,673 | New |
| Principal Financial Group Inc | 2,764 | $317.4K | 0.00% | +2,764 | New |
| Verdad Advisers, LP | 2,893 | $332.2K | 0.37% | +2,893 | New |
| PenderFund Capital Management Ltd. | 2,900 | $333.0K | 0.05% | +2,900 | New |
| Mirae Asset Global Investments Co., Ltd. | 3,050 | $350.2K | 0.00% | +240+8.5% | Added |
| Nicholas Investment Partners, LP | 3,133 | $359.7K | 0.03% | +3,133 | New |
| Ameritas Investment Partners, Inc. | 3,141 | $360.6K | 0.01% | +280+9.8% | Added |
| Marks Group Wealth Management, Inc | 3,180 | $365.1K | 0.04% | −1,344−29.7% | Reduced |
| Advisory Alpha, LLC | 3,303 | $379.3K | 0.01% | −10−0.3% | Reduced |
| Xponance, Inc. | 3,524 | $404.6K | 0.00% | +3,524 | New |
| Teacher Retirement System of Texas | 3,627 | $416.5K | 0.00% | −517−12.5% | Reduced |
| Deltec Asset Management LLC | 3,750 | $430.6K | 0.08% | +3,750 | New |
| Virtus Investment Advisers, Inc. | 3,794 | $435.6K | 0.12% | +93+2.5% | Added |
| Harbour Capital Advisors, LLC | 3,825 | $439.9K | 0.08% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 3,869 | $444.2K | 0.00% | −65,287−94.4% | Reduced |
| Advisors Asset Management, Inc. | 3,978 | $456.8K | 0.01% | −692−14.8% | Reduced |
| BCK Capital Management LP | 4,000 | $459.3K | 2.00% | +4,000 | New |
| Mercer Global Advisors Inc | 4,057 | $465.8K | 0.00% | −50−1.2% | Reduced |
| Pictet Asset Management Holding SA | 4,229 | $485.6K | 0.00% | −338,383−98.8% | Reduced |
| STRS Ohio | 4,300 | $493.7K | 0.00% | −12,569−74.5% | Reduced |
| SEI Investments Co | 4,492 | $515.8K | 0.00% | −11,176−71.3% | Reduced |
| E Fund Management Co., Ltd. | 5,084 | $583.7K | 0.02% | +5,084 | New |
| Victory Capital Management Inc | 5,168 | $593.4K | 0.00% | −49,704−90.6% | Reduced |
| Quantinno Capital Management LP | 5,277 | $605.9K | 0.00% | +1,406+36.3% | Added |
| JustInvest LLC | 5,839 | $670.4K | 0.01% | +2,313+65.6% | Added |
| Prudential Financial Inc | 6,040 | $693.5K | 0.00% | −10,680−63.9% | Reduced |
| KLP Kapitalforvaltning AS | 6,100 | $700.4K | 0.00% | +200+3.4% | Added |