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, Q3 2023
Institutional positions in Arcellx, Inc. as of Sep 30, 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
- 136
- −1 vs. Q2 2023
- Shares held
- 47.6M
- +58.8K (+0.1%) vs. Q2 2023
- Total value
- $1.71B
- +$204.8M (+13.6%) vs. Q2 2023
- New holders
- 17
- 59 more added
- Sold out
- 18
- 39 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Arcellx, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CWM, LLC | 11 | $0 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 3 | $0 | 0.00% | −1−25.0% | Reduced |
| Simplex Trading, LLC | 9 | $0 | 0.00% | +9 | New |
| Nisa Investment Advisors, LLC | 28 | $1.00K | 0.00% | 00.0% | Unchanged |
| Gradient Investments LLC | 60 | $2.15K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 119 | $4.27K | 0.00% | +119 | New |
| US Bancorp | 120 | $4.31K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 176 | $6.00K | 0.00% | 00.0% | Unchanged |
| Turim 21 Investimentos Ltda. | 179 | $6.42K | 0.00% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 553 | $19.0K | 0.00% | +28+5.3% | Added |
| Tower Research Capital LLC (TRC) | 1,050 | $37.7K | 0.00% | −9,200−89.8% | Reduced |
| China Universal Asset Management Co., Ltd. | 1,248 | $44.8K | 0.01% | +619+98.4% | Added |
| Metropolitan Life Insurance Co | 2,296 | $82.4K | 0.00% | +204+9.8% | Added |
| Virtus ETF Advisers LLC | 2,605 | $93.5K | 0.06% | −261−9.1% | Reduced |
| Exchange Traded Concepts, LLC | 3,165 | $113.6K | 0.00% | −431−12.0% | Reduced |
| Ameritas Investment Partners, Inc. | 3,771 | $135.3K | 0.01% | +637+20.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 4,704 | $168.8K | 0.00% | −164−3.4% | Reduced |
| Royal Bank of Canada | 4,980 | $179.0K | 0.00% | +2,020+68.2% | Added |
| Amalgamated Bank | 5,772 | $207.0K | 0.00% | +308+5.6% | Added |
| Bayesian Capital Management, LP | 6,100 | $218.9K | 0.02% | +6,100 | New |
| High Net Worth Advisory Group LLC | 6,500 | $233.2K | 0.09% | +6,500 | New |
| NinePointTwo Capital | 6,567 | $235.0K | 0.10% | 00.0% | Unchanged |
| LPL Financial LLC | 6,783 | $243.4K | 0.00% | +6,783 | New |
| Corton Capital Inc. | 7,533 | $270.3K | 0.14% | +7,533 | New |
| ProShare Advisors LLC | 8,092 | $290.3K | 0.00% | +51+0.6% | Added |
| LMR Partners LLP | 8,116 | $291.2K | 0.01% | 00.0% | Unchanged |
| E Fund Management Co., Ltd. | 8,156 | $293.0K | 0.02% | +407+5.3% | Added |
| Teacher Retirement System of Texas | 8,186 | $294.0K | 0.00% | +1,696+26.1% | Added |
| Arizona State Retirement System | 8,199 | $294.2K | 0.00% | +1,480+22.0% | Added |
| Allianz Asset Management GmbH | 8,300 | $297.8K | 0.00% | 00.0% | Unchanged |
| Globeflex Capital L P | 8,732 | $313.3K | 0.04% | −3,468−28.4% | Reduced |
| Algert Global LLC | 9,750 | $349.8K | 0.02% | 00.0% | Unchanged |
| Jane Street Group, LLC | 9,905 | $355.4K | 0.00% | −64,025−86.6% | Reduced |
| Principal Financial Group Inc | 10,501 | $376.8K | 0.00% | −270−2.5% | Reduced |
| State Board of Administration of Florida Retirement System | 10,850 | $389.3K | 0.00% | +80+0.7% | Added |
| Jasper Ridge Partners, L.P. | 11,820 | $424.1K | 0.02% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 12,408 | $445.0K | 0.00% | +118+1.0% | Added |
| Utah Retirement Systems | 12,895 | $462.7K | 0.01% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 14,100 | $505.9K | 0.00% | −2,002−12.4% | Reduced |
| Endurant Capital Management LP | 14,158 | $508.0K | 0.46% | +14,158 | New |
| Walleye Trading LLC | 14,804 | $531.2K | 0.01% | +379+2.6% | Added |
| First Trust Advisors LP | 15,417 | $553.2K | 0.00% | −24,884−61.7% | Reduced |
| New York State Common Retirement Fund | 15,500 | $556.1K | 0.00% | +174+1.1% | Added |
| AQR Capital Management LLC | 15,809 | $567.2K | 0.00% | −26,451−62.6% | Reduced |
| DekaBank Deutsche Girozentrale | 16,000 | $583.0K | 0.00% | 00.0% | Unchanged |
| Graham Capital Management, L.P. | 16,826 | $603.7K | 0.02% | +4,312+34.5% | Added |
| SG Americas Securities, LLC | 17,067 | $612.0K | 0.01% | +17,067 | New |
| Franklin Resources Inc | 18,243 | $654.6K | 0.00% | +6,143+50.8% | Added |
| Gsa Capital Partners LLP | 18,304 | $657.0K | 0.06% | +18,304 | New |
| Teachers Retirement System of the State of Kentucky | 18,443 | $662.0K | 0.01% | 00.0% | Unchanged |
| American International Group, Inc. | 18,941 | $679.6K | 0.00% | +673+3.7% | Added |
| Deutsche Bank AG | 19,090 | $684.9K | 0.00% | −126,921−86.9% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 19,364 | $694.8K | 0.00% | +19,364 | New |
| Knott David M Jr | 20,000 | $718.0K | 0.28% | −20,000−50.0% | Reduced |
| MetLife Investment Management | 20,184 | $724.2K | 0.01% | 00.0% | Unchanged |
| HRT Financial LP | 21,015 | $754.0K | 0.01% | +21,015 | New |
| Mirae Asset Global Investments Co., Ltd. | 23,581 | $846.1K | 0.00% | +228+1.0% | Added |
| Invesco Ltd. | 23,930 | $858.6K | 0.00% | +6,162+34.7% | Added |
| MYDA Advisors LLC | 25,000 | $897.0K | 0.34% | +25,000 | New |
| Congress Asset Management Co | 25,078 | $899.8K | 0.01% | +33+0.1% | Added |
| Jefferies Financial Group Inc. | 25,476 | $914.1K | 0.02% | 00.0% | Unchanged |
| Profund Advisors LLC | 26,872 | $964.2K | 0.05% | +527+2.0% | Added |
| Martingale Asset Management L P | 26,883 | $964.6K | 0.02% | +6,655+32.9% | Added |
| State of Wisconsin Investment Board | 27,660 | $992.4K | 0.00% | +2,942+11.9% | Added |
| STRS Ohio | 29,481 | $1.06M | 0.00% | +23,281+375.5% | Added |
| Victory Capital Management Inc | 29,650 | $1.06M | 0.00% | −12,055−28.9% | Reduced |
| Legal & General Group Plc | 29,867 | $1.07M | 0.00% | +5,230+21.2% | Added |
| Manufacturers Life Insurance Company, The | 33,183 | $1.19M | 0.00% | −9,685−22.6% | Reduced |
| California State Teachers Retirement System | 33,824 | $1.21M | 0.00% | −52,189−60.7% | Reduced |
| Credit Suisse AG | 34,479 | $1.24M | 0.00% | −474−1.4% | Reduced |
| Alps Advisors Inc | 35,710 | $1.28M | 0.01% | +432+1.2% | Added |
| Alliancebernstein L.P. | 36,210 | $1.30M | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 36,659 | $1.32M | 0.00% | −3,867−9.5% | Reduced |
| ExodusPoint Capital Management, LP | 37,952 | $1.36M | 0.02% | +37,952 | New |
| Putnam Investments LLC | 41,256 | $1.48M | 0.00% | −356−0.9% | Reduced |
| Two Sigma Advisers, LP | 41,700 | $1.50M | 0.00% | −88,100−67.9% | Reduced |
| Citadel Advisors LLC | 44,696 | $1.60M | 0.00% | −316,379−87.6% | Reduced |
| UBS Group AG | 49,432 | $1.77M | 0.00% | −72,075−59.3% | Reduced |
| Bamco Inc | 50,000 | $1.79M | 0.01% | +10,000+25.0% | Added |
| Rhumbline Advisers | 51,352 | $1.84M | 0.00% | +923+1.8% | Added |
| Millennium Management LLC | 51,365 | $1.84M | 0.00% | −190,770−78.8% | Reduced |
| Renaissance Technologies LLC | 53,800 | $1.93M | 0.00% | −290,867−84.4% | Reduced |
| Schonfeld Strategic Advisors LLC | 56,357 | $2.02M | 0.02% | +7,099+14.4% | Added |
| Voya Investment Management LLC | 57,152 | $2.05M | 0.00% | +169+0.3% | Added |
| Wellington Management Group LLP | 57,634 | $2.07M | 0.00% | +1,432+2.5% | Added |
| Swiss National Bank | 63,300 | $2.27M | 0.00% | +11,200+21.5% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 64,000 | $2.30M | 0.01% | +64,000 | New |
| Schroder Investment Management Group | 64,751 | $2.32M | 0.00% | +8,774+15.7% | Added |
| Citigroup Inc | 69,016 | $2.48M | 0.00% | +5,618+8.9% | Added |
| Federated Hermes, Inc. | 71,387 | $2.56M | 0.01% | −93,284−56.6% | Reduced |
| HighVista Strategies LLC | 78,028 | $2.80M | 1.30% | +15,159+24.1% | Added |
| TD Asset Management Inc | 81,600 | $2.93M | 0.00% | +52,800+183.3% | Added |
| Barclays PLC | 86,187 | $3.09M | 0.00% | +10,591+14.0% | Added |
| Clough Capital Partners L P | 102,762 | $3.69M | 0.40% | −3,100−2.9% | Reduced |
| Voloridge Investment Management, LLC | 103,051 | $3.70M | 0.02% | −171,520−62.5% | Reduced |
| Morgan Stanley | 105,258 | $3.78M | 0.00% | −173,853−62.3% | Reduced |
| Bank of America Corp | 109,446 | $3.93M | 0.00% | +18,741+20.7% | Added |
| Bank of New York Mellon Corp | 117,268 | $4.21M | 0.00% | −13,256−10.2% | Reduced |
| Caas Capital Management LP | 124,959 | $4.48M | 1.00% | +124,959 | New |
| Two Sigma Investments, LP | 142,096 | $5.10M | 0.01% | −183,997−56.4% | Reduced |