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, Q4 2023
Institutional positions in Arcellx, Inc. as of Dec 31, 2023. 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
- 156
- +20 vs. Q3 2023
- Shares held
- 46.7M
- −840.1K (−1.8%) vs. Q3 2023
- Total value
- $2.59B
- +$886.9M (+52.0%) vs. Q3 2023
- New holders
- 37
- 59 more added
- Sold out
- 17
- 47 more reduced
Compare with Q3 2023: 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, Q4 2023
Shares, value and share of portfolio for each institution holding Arcellx, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 3 | $0 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 6 | $333 | 0.00% | +6 | New |
| CWM, LLC | 11 | $1.00K | 0.00% | 00.0% | Unchanged |
| Able Wealth Management LLC | 22 | $1.22K | 0.00% | +22 | New |
| Fortitude Family Office, LLC | 38 | $2.11K | 0.00% | +38 | New |
| Advisor Group Holdings, Inc. | 47 | $2.61K | 0.00% | +47 | New |
| Gradient Investments LLC | 60 | $3.33K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 81 | $4.50K | 0.00% | −38−31.9% | Reduced |
| GAMMA Investing LLC | 115 | $7.11K | 0.00% | +115 | New |
| US Bancorp | 172 | $9.55K | 0.00% | +52+43.3% | Added |
| Turim 21 Investimentos Ltda. | 179 | $9.94K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 176 | $10.0K | 0.00% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 399 | $22.1K | 0.00% | +399 | New |
| Nisa Investment Advisors, LLC | 428 | $23.8K | 0.00% | +400+1,428.6% | Added |
| EntryPoint Capital, LLC | 650 | $36.1K | 0.03% | +650 | New |
| Point72 Asia (Singapore) Pte. Ltd. | 709 | $39.4K | 0.01% | +709 | New |
| Virtus ETF Advisers LLC | 1,805 | $100.2K | 0.06% | −800−30.7% | Reduced |
| Lazard Asset Management LLC | 2,087 | $115.0K | 0.00% | +1,534+277.4% | Added |
| Metropolitan Life Insurance Co | 2,296 | $127.4K | 0.01% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 3,108 | $172.0K | 0.00% | +3,108 | New |
| Oracle Alpha Inc. | 3,674 | $203.9K | 0.26% | +3,674 | New |
| Ameriprise Financial Inc | 3,755 | $208.4K | 0.00% | +3,755 | New |
| Ameritas Investment Partners, Inc. | 3,970 | $220.3K | 0.01% | +199+5.3% | Added |
| Farallon Capital Management, L.L.C. | 4,000 | $222.0K | 0.00% | +4,000 | New |
| Exchange Traded Concepts, LLC | 4,241 | $235.4K | 0.01% | +1,076+34.0% | Added |
| Mariner, LLC | 4,699 | $260.8K | 0.00% | +4,699 | New |
| Y-Intercept (Hong Kong) Ltd | 4,876 | $270.6K | 0.03% | +4,876 | New |
| Tower Research Capital LLC (TRC) | 5,190 | $288.0K | 0.00% | +4,140+394.3% | Added |
| Gotham Asset Management, LLC | 5,251 | $291.4K | 0.01% | +5,251 | New |
| Simplex Trading, LLC | 5,481 | $304.0K | 0.01% | +5,472+60,800.0% | Added |
| Amalgamated Bank | 5,521 | $306.0K | 0.00% | −251−4.3% | Reduced |
| China Universal Asset Management Co., Ltd. | 5,632 | $312.6K | 0.06% | +4,384+351.3% | Added |
| E Fund Management Co., Ltd. | 6,012 | $333.7K | 0.02% | −2,144−26.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,405 | $355.5K | 0.00% | +1,701+36.2% | Added |
| Fox Run Management, L.L.C. | 6,521 | $361.9K | 0.09% | +6,521 | New |
| Teacher Retirement System of Texas | 6,706 | $372.0K | 0.00% | −1,480−18.1% | Reduced |
| Walleye Trading LLC | 6,791 | $376.9K | 0.01% | −8,013−54.1% | Reduced |
| High Net Worth Advisory Group LLC | 7,000 | $388.5K | 0.14% | +500+7.7% | Added |
| LPL Financial LLC | 7,362 | $408.6K | 0.00% | +579+8.5% | Added |
| Two Sigma Advisers, LP | 7,800 | $432.9K | 0.00% | −33,900−81.3% | Reduced |
| Arizona State Retirement System | 8,112 | $450.2K | 0.00% | −87−1.1% | Reduced |
| Corton Capital Inc. | 8,399 | $466.1K | 0.15% | +866+11.5% | Added |
| Globeflex Capital L P | 8,732 | $484.6K | 0.05% | 00.0% | Unchanged |
| Algert Global LLC | 9,190 | $510.0K | 0.02% | −560−5.7% | Reduced |
| ProShare Advisors LLC | 9,459 | $525.0K | 0.00% | +1,367+16.9% | Added |
| Advisory Research Inc | 9,530 | $528.9K | 0.08% | +9,530 | New |
| Wells Fargo & Company | 10,515 | $583.6K | 0.00% | −26,144−71.3% | Reduced |
| Principal Financial Group Inc | 10,638 | $590.4K | 0.00% | +137+1.3% | Added |
| State Board of Administration of Florida Retirement System | 10,850 | $602.2K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 10,885 | $604.1K | 0.00% | +10,885 | New |
| AQR Capital Management LLC | 11,062 | $613.9K | 0.00% | −4,747−30.0% | Reduced |
| Engineers Gate Manager LP | 11,375 | $631.3K | 0.02% | +11,375 | New |
| HealthInvest Partners AB | 11,400 | $632.7K | 0.50% | +11,400 | New |
| Jasper Ridge Partners, L.P. | 11,820 | $656.0K | 0.03% | 00.0% | Unchanged |
| Royal Bank of Canada | 11,974 | $665.0K | 0.00% | +6,994+140.4% | Added |
| STRS Ohio | 12,300 | $682.0K | 0.00% | −17,181−58.3% | Reduced |
| HighTower Advisors, LLC | 12,447 | $691.0K | 0.00% | +39+0.3% | Added |
| HRT Financial LP | 12,725 | $706.0K | 0.01% | −8,290−39.4% | Reduced |
| Qube Research & Technologies Ltd | 13,925 | $772.8K | 0.00% | +13,925 | New |
| Wellington Management Group LLP | 14,069 | $780.8K | 0.00% | −43,565−75.6% | Reduced |
| Jump Financial, LLC | 15,183 | $842.7K | 0.03% | +15,183 | New |
| Entropy Technologies, LP | 15,416 | $855.6K | 0.16% | +15,416 | New |
| New York State Common Retirement Fund | 15,438 | $856.8K | 0.00% | −62−0.4% | Reduced |
| Allianz Asset Management GmbH | 15,800 | $876.9K | 0.00% | +7,500+90.4% | Added |
| Point72 Middle East FZE | 17,903 | $993.6K | 0.07% | +17,903 | New |
| Franklin Resources Inc | 18,243 | $1.01M | 0.00% | 00.0% | Unchanged |
| Profund Advisors LLC | 18,597 | $1.03M | 0.04% | −8,275−30.8% | Reduced |
| American International Group, Inc. | 19,066 | $1.06M | 0.00% | +125+0.7% | Added |
| MetLife Investment Management | 20,184 | $1.12M | 0.01% | 00.0% | Unchanged |
| FORA Capital, LLC | 22,217 | $1.23M | 0.11% | +22,217 | New |
| Mirae Asset Global Investments Co., Ltd. | 22,367 | $1.24M | 0.00% | −1,214−5.1% | Reduced |
| Advantage Alpha Capital Partners LP | 22,673 | $1.26M | 0.24% | +22,673 | New |
| Susquehanna International Group, LLP | 23,081 | $1.28M | 0.00% | +8,981+63.7% | Added |
| Citadel Advisors LLC | 23,196 | $1.29M | 0.00% | −21,500−48.1% | Reduced |
| Invesco Ltd. | 24,994 | $1.39M | 0.00% | +1,064+4.4% | Added |
| Congress Asset Management Co | 25,059 | $1.39M | 0.01% | −19−0.1% | Reduced |
| First Trust Advisors LP | 25,505 | $1.42M | 0.00% | +10,088+65.4% | Added |
| Martingale Asset Management L P | 27,134 | $1.51M | 0.03% | +251+0.9% | Added |
| SG Americas Securities, LLC | 28,785 | $1.60M | 0.02% | +11,718+68.7% | Added |
| Legal & General Group Plc | 29,762 | $1.65M | 0.00% | −105−0.4% | Reduced |
| DekaBank Deutsche Girozentrale | 30,000 | $1.71M | 0.00% | +14,000+87.5% | Added |
| State of Wisconsin Investment Board | 31,381 | $1.74M | 0.00% | +3,721+13.5% | Added |
| California State Teachers Retirement System | 32,158 | $1.78M | 0.00% | −1,666−4.9% | Reduced |
| Alps Advisors Inc | 32,402 | $1.80M | 0.01% | −3,308−9.3% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 36,982 | $2.05M | 0.01% | +17,618+91.0% | Added |
| Alliancebernstein L.P. | 37,000 | $2.05M | 0.00% | +790+2.2% | Added |
| Credit Suisse AG | 37,183 | $2.06M | 0.00% | +2,704+7.8% | Added |
| Putnam Investments LLC | 39,314 | $2.18M | 0.00% | −1,942−4.7% | Reduced |
| MYDA Advisors LLC | 40,000 | $2.22M | 0.98% | +15,000+60.0% | Added |
| Schonfeld Strategic Advisors LLC | 40,510 | $2.25M | 0.02% | −15,847−28.1% | Reduced |
| Manufacturers Life Insurance Company, The | 45,451 | $2.52M | 0.00% | +12,268+37.0% | Added |
| Great Point Partners LLC | 48,264 | $2.68M | 0.46% | −239,236−83.2% | Reduced |
| Rhumbline Advisers | 51,435 | $2.85M | 0.00% | +83+0.2% | Added |
| Citigroup Inc | 52,331 | $2.90M | 0.00% | −16,685−24.2% | Reduced |
| Swiss National Bank | 57,200 | $3.17M | 0.00% | −6,100−9.6% | Reduced |
| Millennium Management LLC | 57,374 | $3.18M | 0.00% | +6,009+11.7% | Added |
| Pictet Asset Management Holding SA | 58,245 | $3.23M | 0.00% | −329,875−85.0% | Reduced |
| Vestal Point Capital, LP | 60,000 | $3.33M | 0.35% | +60,000 | New |
| Renaissance Technologies LLC | 61,100 | $3.39M | 0.01% | +7,300+13.6% | Added |
| Twinbeech Capital LP | 63,464 | $3.52M | 0.06% | +63,464 | New |