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 |
|---|---|---|---|---|---|
| State Board of Administration of Florida Retirement System | 10,850 | $389.3K | 0.00% | +80+0.7% | Added |
| Principal Financial Group Inc | 10,501 | $376.8K | 0.00% | −270−2.5% | Reduced |
| Jane Street Group, LLC | 9,905 | $355.4K | 0.00% | −64,025−86.6% | Reduced |
| Algert Global LLC | 9,750 | $349.8K | 0.02% | 00.0% | Unchanged |
| Globeflex Capital L P | 8,732 | $313.3K | 0.04% | −3,468−28.4% | Reduced |
| Allianz Asset Management GmbH | 8,300 | $297.8K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 8,199 | $294.2K | 0.00% | +1,480+22.0% | Added |
| Teacher Retirement System of Texas | 8,186 | $294.0K | 0.00% | +1,696+26.1% | Added |
| E Fund Management Co., Ltd. | 8,156 | $293.0K | 0.02% | +407+5.3% | Added |
| LMR Partners LLP | 8,116 | $291.2K | 0.01% | 00.0% | Unchanged |
| ProShare Advisors LLC | 8,092 | $290.3K | 0.00% | +51+0.6% | Added |
| Corton Capital Inc. | 7,533 | $270.3K | 0.14% | +7,533 | New |
| LPL Financial LLC | 6,783 | $243.4K | 0.00% | +6,783 | New |
| NinePointTwo Capital | 6,567 | $235.0K | 0.10% | 00.0% | Unchanged |
| High Net Worth Advisory Group LLC | 6,500 | $233.2K | 0.09% | +6,500 | New |
| Bayesian Capital Management, LP | 6,100 | $218.9K | 0.02% | +6,100 | New |
| Amalgamated Bank | 5,772 | $207.0K | 0.00% | +308+5.6% | Added |
| Royal Bank of Canada | 4,980 | $179.0K | 0.00% | +2,020+68.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 4,704 | $168.8K | 0.00% | −164−3.4% | Reduced |
| Ameritas Investment Partners, Inc. | 3,771 | $135.3K | 0.01% | +637+20.3% | Added |
| Exchange Traded Concepts, LLC | 3,165 | $113.6K | 0.00% | −431−12.0% | Reduced |
| Virtus ETF Advisers LLC | 2,605 | $93.5K | 0.06% | −261−9.1% | Reduced |
| Metropolitan Life Insurance Co | 2,296 | $82.4K | 0.00% | +204+9.8% | Added |
| China Universal Asset Management Co., Ltd. | 1,248 | $44.8K | 0.01% | +619+98.4% | Added |
| Tower Research Capital LLC (TRC) | 1,050 | $37.7K | 0.00% | −9,200−89.8% | Reduced |
| Lazard Asset Management LLC | 553 | $19.0K | 0.00% | +28+5.3% | Added |
| Turim 21 Investimentos Ltda. | 179 | $6.42K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 176 | $6.00K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 120 | $4.31K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 119 | $4.27K | 0.00% | +119 | New |
| Gradient Investments LLC | 60 | $2.15K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 28 | $1.00K | 0.00% | 00.0% | Unchanged |
| 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 |
| Coppell Advisory Solutions LLC | 57 | – | – | −167−74.6% | Reduced |
| Logos Global Management LP | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −110,744−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −108,589−100.0% | Sold out |
| Sphera Funds Management Ltd. | 0 | $0 | 0.00% | −77,488−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −55,714−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −39,295−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −32,668−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −26,796−100.0% | Sold out |
| Adams Street Partners LLC | 0 | $0 | 0.00% | −22,924−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −20,564−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −20,210−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −10,941−100.0% | Sold out |
| Citizens Financial Group Inc | 0 | $0 | 0.00% | −9,402−100.0% | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −8,752−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −1,811−100.0% | Sold out |
| Genworth Financial Inc | 0 | $0 | 0.00% | −1,791−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −263−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| Pictet Asset Management SA | – | – | – | – | Not filed |