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 2024
Institutional positions in Arcellx, Inc. as of Jun 30, 2024. 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
- 167
- −15 vs. Q1 2024
- Shares held
- 50.2M
- +3.25M (+6.9%) vs. Q1 2024
- Total value
- $2.77B
- −$494.3M (−15.1%) vs. Q1 2024
- New holders
- 22
- 80 more added
- Sold out
- 37
- 49 more reduced
1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: 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 2024
Shares, value and share of portfolio for each institution holding Arcellx, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| STRS Ohio | 13,100 | $723.0K | 0.00% | +2,500+23.6% | Added |
| HighTower Advisors, LLC | 12,445 | $687.0K | 0.00% | +50.0% | Added |
| Jasper Ridge Partners, L.P. | 11,820 | $652.3K | 0.02% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 11,756 | $648.8K | 0.00% | +11,756 | New |
| Ameriprise Financial Inc | 11,310 | $624.2K | 0.00% | −2,933−20.6% | Reduced |
| Engineers Gate Manager LP | 11,228 | $619.7K | 0.01% | +4,940+78.6% | Added |
| NEOS Investment Management LLC | 11,162 | $616.0K | 0.03% | +8,109+265.6% | Added |
| State Board of Administration of Florida Retirement System | 10,850 | $598.8K | 0.00% | +10,850 | New |
| Handelsbanken Fonder AB | 10,300 | $568.0K | 0.00% | +10,300 | New |
| Gotham Asset Management, LLC | 9,450 | $521.5K | 0.01% | +4,193+79.8% | Added |
| LPL Financial LLC | 9,124 | $503.6K | 0.00% | +672+8.0% | Added |
| Arizona State Retirement System | 8,950 | $494.0K | 0.00% | +1,101+14.0% | Added |
| Winton Group Ltd | 8,761 | $483.5K | 0.03% | +8,761 | New |
| ProShare Advisors LLC | 8,441 | $465.9K | 0.00% | −2,149−20.3% | Reduced |
| High Net Worth Advisory Group LLC | 8,000 | $441.5K | 0.13% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 7,021 | $387.0K | 0.00% | +665+10.5% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,811 | $375.9K | 0.00% | +1,740+34.3% | Added |
| China Universal Asset Management Co., Ltd. | 6,287 | $347.0K | 0.05% | −3,890−38.2% | Reduced |
| Corton Capital Inc. | 6,273 | $346.2K | 0.18% | +3,158+101.4% | Added |
| Federated Hermes, Inc. | 5,733 | $316.4K | 0.00% | −225,928−97.5% | Reduced |
| Advisors Asset Management, Inc. | 5,476 | $302.2K | 0.01% | +1,279+30.5% | Added |
| Two Sigma Advisers, LP | 5,300 | $292.5K | 0.00% | −43,100−89.0% | Reduced |
| E Fund Management Co., Ltd. | 5,212 | $287.6K | 0.02% | −774−12.9% | Reduced |
| SEI Investments Co | 4,956 | $273.5K | 0.00% | −9,880−66.6% | Reduced |
| Raymond James & Associates | 4,914 | $271.2K | 0.00% | −793−13.9% | Reduced |
| Clough Capital Partners L P | 4,800 | $264.9K | 0.03% | +4,800 | New |
| US Bancorp | 4,752 | $262.3K | 0.00% | +3,213+208.8% | Added |
| Bridgefront Capital, LLC | 4,641 | $256.1K | 0.11% | +4,641 | New |
| Tower Research Capital LLC (TRC) | 4,639 | $256.0K | 0.00% | +4,243+1,071.5% | Added |
| Royal Bank of Canada | 4,347 | $240.0K | 0.00% | +3,057+237.0% | Added |
| Ameritas Investment Partners, Inc. | 4,223 | $233.1K | 0.01% | +253+6.4% | Added |
| Farallon Capital Management, L.L.C. | 4,000 | $220.8K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 4,063 | $218.4K | 0.00% | −1,103−21.4% | Reduced |
| Integrated Wealth Concepts LLC | 3,775 | $208.3K | 0.00% | +3,775 | New |
| Mariner, LLC | 3,765 | $207.8K | 0.00% | −2,306−38.0% | Reduced |
| Public Employees Retirement Association of Colorado | 3,217 | $178.0K | 0.00% | +3,217 | New |
| Exchange Traded Concepts, LLC | 3,125 | $172.5K | 0.00% | −971−23.7% | Reduced |
| Virtus ETF Advisers LLC | 1,623 | $89.6K | 0.04% | −65−3.9% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 1,597 | $86.4K | 0.00% | −17,032−91.4% | Reduced |
| National Bank of Canada | 1,500 | $80.4K | 0.00% | +500+50.0% | Added |
| Amalgamated Bank | 1,347 | $74.0K | 0.00% | +54+4.2% | Added |
| State of Wyoming | 1,250 | $69.0K | 0.01% | +621+98.7% | Added |
| Decheng Capital LLC | 1,177 | $65.0K | 0.02% | +1,177 | New |
| KBC Group NV | 1,011 | $56.0K | 0.00% | +345+51.8% | Added |
| Nisa Investment Advisors, LLC | 495 | $27.3K | 0.00% | +39+8.6% | Added |
| Quest Partners LLC | 494 | $27.3K | 0.00% | +494 | New |
| Pacer Advisors, Inc. | 488 | $26.9K | 0.00% | −105−17.7% | Reduced |
| Daiwa Securities Group Inc. | 176 | $10.0K | 0.00% | 00.0% | Unchanged |
| Turim 21 Investimentos Ltda. | 179 | $9.88K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 135 | $7.45K | 0.00% | −17−11.2% | Reduced |
| ADAR1 Capital Management, LLC | 100 | $5.52K | 0.00% | +100 | New |
| Comerica Bank | 81 | $4.47K | 0.00% | −24−22.9% | Reduced |
| Advisor Group Holdings, Inc. | 76 | $4.19K | 0.00% | +48+171.4% | Added |
| The PNC Financial Services Group, Inc. | 59 | $3.26K | 0.00% | +2+3.5% | Added |
| Clearstead Advisors, LLC | 54 | $2.98K | 0.00% | +54 | New |
| Global Retirement Partners, LLC | 40 | $2.21K | 0.00% | +40 | New |
| Fortitude Family Office, LLC | 38 | $2.10K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 32 | $2.00K | 0.00% | +21+190.9% | Added |
| Rothschild Investment LLC | 20 | $1.10K | 0.00% | +15+300.0% | Added |
| Bell Investment Advisors, Inc | 14 | $773 | 0.00% | +7+100.0% | Added |
| Smartleaf Asset Management LLC | 10 | $541 | 0.00% | +10 | New |
| Institutional & Family Asset Management, LLC | 8 | $442 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 6 | $322 | 0.00% | 00.0% | Unchanged |
| Principal Securities, Inc. | 2 | $110 | 0.00% | 00.0% | Unchanged |
| TFC Financial Management | 1 | $56 | 0.00% | +1 | New |
| Lazard Asset Management LLC | 24 | $0 | 0.00% | −1,755−98.7% | Reduced |
| Covestor Ltd | 3 | $0 | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −77,730−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −66,052−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −61,210−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −57,248−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −25,286−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −22,217−100.0% | Sold out |
| American International Group, Inc. | 0 | $0 | 0.00% | −18,904−100.0% | Sold out |
| Seven Eight Capital, LP | 0 | $0 | 0.00% | −17,351−100.0% | Sold out |
| Norges Bank | 0 | $0 | 0.00% | −16,369−100.0% | Sold out |
| Advantage Alpha Capital Partners LP | 0 | $0 | 0.00% | −15,475−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −14,526−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −12,253−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −9,310−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −8,990−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −7,882−100.0% | Sold out |
| Eschler Asset Management LLP | 0 | $0 | 0.00% | −6,787−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −5,305−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −4,062−100.0% | Sold out |
| Pictet Asset Management Holding SA | 0 | $0 | 0.00% | −3,519−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −3,500−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −3,484−100.0% | Sold out |
| Simplicity Wealth,LLC | 0 | $0 | 0.00% | −3,331−100.0% | Sold out |
| Bleakley Financial Group, LLC | 0 | $0 | 0.00% | −3,331−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −3,300−100.0% | Sold out |
| Advisory Alpha, LLC | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −2,948−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −2,912−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −2,107−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −1,498−100.0% | Sold out |
| Harvest Fund Management Co., Ltd | 0 | $0 | 0.00% | −1,391−100.0% | Sold out |
| Plato Investment Management Ltd | 0 | $0 | 0.00% | −729−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −644−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −527−100.0% | Sold out |