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 2024
Institutional positions in Arcellx, Inc. as of Sep 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
- 186
- +21 vs. Q2 2024
- Shares held
- 49.5M
- +2.76M (+5.9%) vs. Q2 2024
- Total value
- $4.13B
- +$1.56B (+60.3%) vs. Q2 2024
- New holders
- 39
- 68 more added
- Sold out
- 18
- 60 more reduced
2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding Arcellx, Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Lazard Asset Management LLC | 9 | $0 | 0.00% | −15−62.5% | Reduced |
| TFC Financial Management | 1 | $84 | 0.00% | 00.0% | Unchanged |
| J.Safra Asset Management Corp | 5 | $414 | 0.00% | +5 | New |
| Principal Securities, Inc. | 5 | $418 | 0.00% | +3+150.0% | Added |
| Bell Investment Advisors, Inc | 7 | $585 | 0.00% | −7−50.0% | Reduced |
| Farther Finance Advisors, LLC | 8 | $668 | 0.00% | +2+33.3% | Added |
| Parallel Advisors, LLC | 10 | $835 | 0.00% | +10 | New |
| Global Retirement Partners, LLC | 12 | $1.00K | 0.00% | −28−70.0% | Reduced |
| Wolff Wiese Magana LLC | 17 | $1.42K | 0.00% | +17 | New |
| Bessemer Group Inc | 30 | $3.00K | 0.00% | +30 | New |
| Fortitude Family Office, LLC | 38 | $3.17K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 44 | $3.67K | 0.00% | +44 | New |
| The PNC Financial Services Group, Inc. | 45 | $3.76K | 0.00% | −14−23.7% | Reduced |
| Rothschild Investment LLC | 45 | $3.76K | 0.00% | +25+125.0% | Added |
| Clearstead Advisors, LLC | 54 | $4.51K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 78 | $6.52K | 0.00% | −3−3.7% | Reduced |
| CWM, LLC | 81 | $7.00K | 0.00% | +49+153.1% | Added |
| Smartleaf Asset Management LLC | 113 | $9.35K | 0.00% | +103+1,030.0% | Added |
| Advisor Group Holdings, Inc. | 118 | $9.86K | 0.00% | +42+55.3% | Added |
| Turim 21 Investimentos Ltda. | 179 | $14.9K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 204 | $17.0K | 0.00% | +28+15.9% | Added |
| GAMMA Investing LLC | 232 | $19.4K | 0.00% | +97+71.9% | Added |
| Catalyst Funds Management Pty Ltd | 400 | $33.4K | 0.01% | +400 | New |
| Nisa Investment Advisors, LLC | 564 | $47.1K | 0.00% | +69+13.9% | Added |
| Tower Research Capital LLC (TRC) | 676 | $56.5K | 0.00% | −3,963−85.4% | Reduced |
| KBC Group NV | 1,011 | $84.0K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 1,347 | $112.0K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 1,500 | $125.3K | 0.04% | +1,500 | New |
| Quest Partners LLC | 1,532 | $127.9K | 0.01% | +1,038+210.1% | Added |
| Covestor Ltd | 1,616 | $135.0K | 0.08% | +1,613+53,766.7% | Added |
| Virtus ETF Advisers LLC | 1,651 | $137.9K | 0.06% | +28+1.7% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,944 | $160.9K | 0.00% | +347+21.7% | Added |
| Torno Capital, LLC | 2,000 | $167.0K | 0.22% | +2,000 | New |
| Exchange Traded Concepts, LLC | 2,175 | $181.6K | 0.00% | −950−30.4% | Reduced |
| EntryPoint Capital, LLC | 2,501 | $208.9K | 0.12% | +2,501 | New |
| JustInvest LLC | 2,597 | $216.8K | 0.00% | +2,597 | New |
| Xponance, Inc. | 2,844 | $237.5K | 0.00% | +2,844 | New |
| Acadian Asset Management LLC | 2,953 | $246.0K | 0.00% | +2,953 | New |
| HSBC Holdings PLC | 2,973 | $250.4K | 0.00% | −1,090−26.8% | Reduced |
| Advisory Alpha, LLC | 3,000 | $250.5K | 0.01% | +3,000 | New |
| Prudential Financial Inc | 3,120 | $260.6K | 0.00% | +3,120 | New |
| Nomura Holdings Inc | 3,197 | $267.0K | 0.00% | +3,197 | New |
| Public Employees Retirement Association of Colorado | 3,217 | $269.0K | 0.00% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 3,301 | $275.7K | 0.00% | +3,301 | New |
| Integrated Wealth Concepts LLC | 3,490 | $291.4K | 0.00% | −285−7.5% | Reduced |
| Entropy Technologies, LP | 3,509 | $293.0K | 0.03% | +3,509 | New |
| Pictet Asset Management Holding SA | 3,519 | $293.9K | 0.00% | +3,519 | New |
| E Fund Management Co., Ltd. | 3,582 | $299.1K | 0.02% | −1,630−31.3% | Reduced |
| Glenmede Trust Co NA | 3,615 | $301.9K | 0.00% | +3,615 | New |
| Group One Trading, L.P. | 3,709 | $309.7K | 0.01% | +3,709 | New |
| Envestnet Asset Management Inc | 3,746 | $312.8K | 0.00% | +3,746 | New |
| Y-Intercept (Hong Kong) Ltd | 3,904 | $326.0K | 0.02% | −11,955−75.4% | Reduced |
| ADAR1 Capital Management, LLC | 3,962 | $330.9K | 0.06% | +3,862+3,862.0% | Added |
| Farallon Capital Management, L.L.C. | 4,000 | $334.0K | 0.00% | 00.0% | Unchanged |
| Bellevue Group AG | 4,000 | $334.0K | 0.01% | +4,000 | New |
| Principal Financial Group Inc | 4,018 | $335.5K | 0.00% | −33,334−89.2% | Reduced |
| Ameritas Investment Partners, Inc. | 4,367 | $364.7K | 0.01% | +144+3.4% | Added |
| Legato Capital Management LLC | 4,408 | $368.1K | 0.05% | +4,408 | New |
| Tudor Investment Corp Et Al | 4,409 | $368.2K | 0.00% | +4,409 | New |
| Two Sigma Advisers, LP | 4,500 | $375.8K | 0.00% | −800−15.1% | Reduced |
| GTS Securities LLC | 4,739 | $395.8K | 0.01% | +4,739 | New |
| SEI Investments Co | 4,861 | $405.9K | 0.00% | −95−1.9% | Reduced |
| Raymond James & Associates | 4,992 | $416.9K | 0.00% | +78+1.6% | Added |
| Royal Bank of Canada | 4,990 | $417.0K | 0.00% | +643+14.8% | Added |
| Mariner, LLC | 5,065 | $422.9K | 0.00% | +1,300+34.5% | Added |
| Advisors Asset Management, Inc. | 6,196 | $517.4K | 0.01% | +720+13.1% | Added |
| D. E. Shaw & Co., Inc. | 6,305 | $526.5K | 0.00% | +6,305 | New |
| Allspring Global Investments Holdings, LLC | 6,948 | $580.2K | 0.00% | −8,980−56.4% | Reduced |
| US Bancorp | 7,603 | $634.9K | 0.00% | +2,851+60.0% | Added |
| Teacher Retirement System of Texas | 8,051 | $672.0K | 0.00% | +1,030+14.7% | Added |
| High Net Worth Advisory Group LLC | 8,500 | $709.8K | 0.20% | +500+6.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 8,978 | $749.8K | 0.00% | +2,167+31.8% | Added |
| LPL Financial LLC | 9,155 | $764.5K | 0.00% | +31+0.3% | Added |
| Arizona State Retirement System | 9,244 | $772.0K | 0.00% | +294+3.3% | Added |
| Intech Investment Management LLC | 9,579 | $799.9K | 0.01% | +9,579 | New |
| MYDA Advisors LLC | 10,000 | $835.1K | 0.24% | −32,000−76.2% | Reduced |
| Allianz Asset Management GmbH | 10,100 | $843.5K | 0.00% | −6,700−39.9% | Reduced |
| China Universal Asset Management Co., Ltd. | 10,339 | $863.4K | 0.10% | +4,052+64.5% | Added |
| State Board of Administration of Florida Retirement System | 10,850 | $906.1K | 0.00% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 11,116 | $928.3K | 0.00% | −194−1.7% | Reduced |
| ProShare Advisors LLC | 11,322 | $945.5K | 0.00% | +2,881+34.1% | Added |
| Profund Advisors LLC | 11,445 | $955.8K | 0.04% | −4,651−28.9% | Reduced |
| Jasper Ridge Partners, L.P. | 11,820 | $987.1K | 0.03% | 00.0% | Unchanged |
| NEOS Investment Management LLC | 11,910 | $994.6K | 0.03% | +748+6.7% | Added |
| SG Americas Securities, LLC | 12,035 | $1.00M | 0.00% | +12,035 | New |
| STRS Ohio | 12,100 | $1.01M | 0.00% | −1,000−7.6% | Reduced |
| HighTower Advisors, LLC | 12,485 | $1.04M | 0.00% | +40+0.3% | Added |
| Handelsbanken Fonder AB | 12,600 | $1.05M | 0.00% | +2,300+22.3% | Added |
| FORA Capital, LLC | 12,935 | $1.08M | 0.13% | +12,935 | New |
| Gotham Asset Management, LLC | 13,001 | $1.09M | 0.01% | +3,551+37.6% | Added |
| AQR Capital Management LLC | 16,539 | $1.38M | 0.00% | −313−1.9% | Reduced |
| Citadel Advisors LLC | 17,087 | $1.43M | 0.00% | +17,087 | New |
| New York State Common Retirement Fund | 18,828 | $1.57M | 0.00% | −71−0.4% | Reduced |
| Wells Fargo & Company | 19,636 | $1.64M | 0.00% | −359−1.8% | Reduced |
| Erste Asset Management GmbH | 21,000 | $1.74M | 0.02% | 00.0% | Unchanged |
| Wellington Management Group LLP | 20,968 | $1.75M | 0.00% | +2,768+15.2% | Added |
| Decheng Capital LLC | 21,177 | $1.77M | 0.42% | +20,000+1,699.2% | Added |
| Martingale Asset Management L P | 21,184 | $1.77M | 0.04% | +992+4.9% | Added |
| Congress Asset Management Co | 22,735 | $1.90M | 0.01% | −247−1.1% | Reduced |
| Invesco Ltd. | 22,940 | $1.92M | 0.00% | +1,442+6.7% | Added |