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 2023
Institutional positions in Arcellx, Inc. as of Jun 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
- 138
- +21 vs. Q1 2023
- Shares held
- 48.1M
- +2.48M (+5.4%) vs. Q1 2023
- Total value
- $1.52B
- +$116.2M (+8.3%) vs. Q1 2023
- New holders
- 32
- 68 more added
- Sold out
- 11
- 31 more reduced
Compare with Q1 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, Q2 2023
Shares, value and share of portfolio for each institution holding Arcellx, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CWM, LLC | 11 | $0 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 4 | $0 | 0.00% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 8,300 | $262 | 0.00% | −13,000−61.0% | Reduced |
| Nisa Investment Advisors, LLC | 28 | $885 | 0.00% | 00.0% | Unchanged |
| Gradient Investments LLC | 60 | $1.90K | 0.00% | +60 | New |
| US Bancorp | 120 | $3.79K | 0.00% | −86−41.7% | Reduced |
| Allspring Global Investments Holdings, LLC | 150 | $4.74K | 0.00% | +150 | New |
| Turim 21 Investimentos Ltda. | 179 | $5.66K | 0.00% | +179 | New |
| Daiwa Securities Group Inc. | 176 | $6.00K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 263 | $8.32K | 0.00% | +263 | New |
| Lazard Asset Management LLC | 525 | $16.0K | 0.00% | +13+2.5% | Added |
| China Universal Asset Management Co., Ltd. | 629 | $19.9K | 0.01% | +35+5.9% | Added |
| Genworth Financial Inc | 1,791 | $56.6K | 0.02% | +1,791 | New |
| Acadian Asset Management LLC | 1,811 | $57.0K | 0.00% | +1,811 | New |
| Metropolitan Life Insurance Co | 2,092 | $66.1K | 0.00% | +375+21.8% | Added |
| Virtus ETF Advisers LLC | 2,866 | $90.6K | 0.05% | −202−6.6% | Reduced |
| Royal Bank of Canada | 2,960 | $93.0K | 0.00% | +1,260+74.1% | Added |
| Ameritas Investment Partners, Inc. | 3,134 | $99.1K | 0.00% | +815+35.1% | Added |
| Exchange Traded Concepts, LLC | 3,596 | $113.7K | 0.00% | +3,596 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 4,868 | $153.9K | 0.00% | +1,840+60.8% | Added |
| Amalgamated Bank | 5,464 | $173.0K | 0.00% | +2,366+76.4% | Added |
| STRS Ohio | 6,200 | $196.0K | 0.00% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 6,490 | $205.0K | 0.00% | +6,490 | New |
| NinePointTwo Capital | 6,567 | $207.0K | 0.08% | +6,567 | New |
| Arizona State Retirement System | 6,719 | $212.5K | 0.00% | +6,719 | New |
| E Fund Management Co., Ltd. | 7,749 | $245.0K | 0.02% | −283−3.5% | Reduced |
| ProShare Advisors LLC | 8,041 | $254.3K | 0.00% | +1,521+23.3% | Added |
| LMR Partners LLP | 8,116 | $256.6K | 0.01% | −2,092−20.5% | Reduced |
| Point72 Middle East FZE | 8,752 | $276.7K | 0.02% | +8,752 | New |
| Citizens Financial Group Inc | 9,402 | $297.3K | 0.01% | +9,402 | New |
| Algert Global LLC | 9,750 | $308.3K | 0.01% | −9,872−50.3% | Reduced |
| Tower Research Capital LLC (TRC) | 10,250 | $324.1K | 0.01% | +8,786+600.1% | Added |
| State Board of Administration of Florida Retirement System | 10,770 | $340.5K | 0.00% | +10,770 | New |
| Principal Financial Group Inc | 10,771 | $340.6K | 0.00% | +837+8.4% | Added |
| SEI Investments Co | 10,941 | $346.0K | 0.00% | −9,004−45.1% | Reduced |
| Jasper Ridge Partners, L.P. | 11,820 | $373.7K | 0.02% | +3,940+50.0% | Added |
| Franklin Resources Inc | 12,100 | $382.6K | 0.00% | +12,100 | New |
| Globeflex Capital L P | 12,200 | $385.8K | 0.04% | +12,200 | New |
| HighTower Advisors, LLC | 12,290 | $388.0K | 0.00% | +64+0.5% | Added |
| Graham Capital Management, L.P. | 12,514 | $395.7K | 0.01% | +12,514 | New |
| Utah Retirement Systems | 12,895 | $407.7K | 0.01% | +12,895 | New |
| Walleye Trading LLC | 14,425 | $456.1K | 0.02% | +5,433+60.4% | Added |
| New York State Common Retirement Fund | 15,326 | $484.6K | 0.00% | +271+1.8% | Added |
| DekaBank Deutsche Girozentrale | 16,000 | $499.0K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 16,102 | $509.1K | 0.00% | −41,355−72.0% | Reduced |
| UBS Asset Management Americas Inc | 16,600 | $511.4K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 17,768 | $561.8K | 0.00% | +3,927+28.4% | Added |
| American International Group, Inc. | 18,268 | $577.6K | 0.00% | +3,996+28.0% | Added |
| Teachers Retirement System of the State of Kentucky | 18,443 | $583.0K | 0.01% | −1,528−7.7% | Reduced |
| MetLife Investment Management | 20,184 | $638.2K | 0.00% | +3,338+19.8% | Added |
| D. E. Shaw & Co., Inc. | 20,210 | $639.0K | 0.00% | +20,210 | New |
| Martingale Asset Management L P | 20,228 | $639.6K | 0.01% | +20,228 | New |
| Aigen Investment Management, LP | 20,564 | $650.2K | 0.10% | +20,564 | New |
| Adams Street Partners LLC | 22,924 | $724.9K | 0.19% | +22,924 | New |
| Mirae Asset Global Investments Co., Ltd. | 23,353 | $736.2K | 0.00% | +3,679+18.7% | Added |
| Legal & General Group Plc | 24,637 | $779.0K | 0.00% | +17,484+244.4% | Added |
| State of Wisconsin Investment Board | 24,718 | $781.6K | 0.00% | +10,955+79.6% | Added |
| Congress Asset Management Co | 25,045 | $791.9K | 0.01% | +25,045 | New |
| Jefferies Financial Group Inc. | 25,476 | $805.6K | 0.02% | +25,476 | New |
| Profund Advisors LLC | 26,345 | $833.0K | 0.04% | +56+0.2% | Added |
| Jump Financial, LLC | 26,796 | $847.3K | 0.03% | −3,355−11.1% | Reduced |
| TD Asset Management Inc | 28,800 | $910.7K | 0.00% | +28,800 | New |
| Twinbeech Capital LP | 32,668 | $1.03M | 0.02% | +32,668 | New |
| Credit Suisse AG | 34,953 | $1.11M | 0.00% | +22,059+171.1% | Added |
| Alps Advisors Inc | 35,278 | $1.12M | 0.01% | +6,387+22.1% | Added |
| Alliancebernstein L.P. | 36,210 | $1.14M | 0.00% | +9,510+35.6% | Added |
| Great Point Partners LLC | 37,500 | $1.19M | 0.24% | −219,506−85.4% | Reduced |
| Squarepoint Ops LLC | 39,295 | $1.24M | 0.01% | +22,554+134.7% | Added |
| Bamco Inc | 40,000 | $1.26M | 0.00% | +40,000 | New |
| Knott David M Jr | 40,000 | $1.26M | 0.54% | +12,000+42.9% | Added |
| First Trust Advisors LP | 40,301 | $1.27M | 0.00% | +22,225+123.0% | Added |
| Wells Fargo & Company | 40,526 | $1.28M | 0.00% | +7,730+23.6% | Added |
| Putnam Investments LLC | 41,612 | $1.32M | 0.00% | −12,057−22.5% | Reduced |
| Victory Capital Management Inc | 41,705 | $1.32M | 0.00% | +41,705 | New |
| AQR Capital Management LLC | 42,260 | $1.34M | 0.00% | +42,260 | New |
| Manufacturers Life Insurance Company, The | 42,868 | $1.36M | 0.00% | +30,712+252.6% | Added |
| Schonfeld Strategic Advisors LLC | 49,258 | $1.56M | 0.01% | +13,662+38.4% | Added |
| Rhumbline Advisers | 50,429 | $1.59M | 0.00% | +3,915+8.4% | Added |
| Swiss National Bank | 52,100 | $1.65M | 0.00% | +19,000+57.4% | Added |
| EAM Investors, LLC | 55,714 | $1.76M | 0.33% | −48,587−46.6% | Reduced |
| Schroder Investment Management Group | 55,977 | $1.77M | 0.00% | +55,977 | New |
| Wellington Management Group LLP | 56,202 | $1.78M | 0.00% | −56,261−50.0% | Reduced |
| Voya Investment Management LLC | 56,983 | $1.80M | 0.00% | −29,153−33.8% | Reduced |
| HighVista Strategies LLC | 62,869 | $1.99M | 0.91% | +8,589+15.8% | Added |
| Citigroup Inc | 63,398 | $2.00M | 0.00% | −50,205−44.2% | Reduced |
| Jane Street Group, LLC | 73,930 | $2.34M | 0.00% | +57,739+356.6% | Added |
| Barclays PLC | 75,596 | $2.39M | 0.00% | +16,482+27.9% | Added |
| Sphera Funds Management Ltd. | 77,488 | $2.45M | 0.53% | −90,000−53.7% | Reduced |
| California State Teachers Retirement System | 86,013 | $2.72M | 0.00% | +61,534+251.4% | Added |
| Bank of America Corp | 90,705 | $2.87M | 0.00% | −97,550−51.8% | Reduced |
| Clough Capital Partners L P | 105,862 | $3.35M | 0.34% | −91,616−46.4% | Reduced |
| Cubist Systematic Strategies, LLC | 108,589 | $3.43M | 0.04% | +80,800+290.8% | Added |
| Qube Research & Technologies Ltd | 110,744 | $3.50M | 0.01% | +110,744 | New |
| Russell Investments Group, Ltd. | 116,342 | $3.68M | 0.01% | +66,210+132.1% | Added |
| UBS Group AG | 121,507 | $3.84M | 0.00% | +120,515+12,148.7% | Added |
| Two Sigma Advisers, LP | 129,800 | $4.10M | 0.01% | +76,200+142.2% | Added |
| Bank of New York Mellon Corp | 130,524 | $4.13M | 0.00% | +5,503+4.4% | Added |
| Rafferty Asset Management, LLC | 144,096 | $4.56M | 0.03% | +2,679+1.9% | Added |
| Deutsche Bank AG | 146,011 | $4.62M | 0.00% | +127,694+697.1% | Added |
| Federated Hermes, Inc. | 164,671 | $5.21M | 0.01% | +153,922+1,432.0% | Added |