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, Q4 2024
Institutional positions in Arcellx, Inc. as of Dec 31, 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
- 211
- +27 vs. Q3 2024
- Shares held
- 59.2M
- +9.81M (+19.9%) vs. Q3 2024
- Total value
- $4.54B
- +$416.0M (+10.1%) vs. Q3 2024
- New holders
- 52
- 75 more added
- Sold out
- 25
- 55 more reduced
2 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Arcellx, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Lazard Asset Management LLC | 9 | $0 | 0.00% | 00.0% | Unchanged |
| TFC Financial Management | 1 | $77 | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 1 | $77 | 0.00% | +1 | New |
| Principal Securities, Inc. | 3 | $230 | 0.00% | −2−40.0% | Reduced |
| IFP Advisors, Inc | 2 | $307 | 0.00% | +2 | New |
| J.Safra Asset Management Corp | 5 | $392 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 6 | $460 | 0.00% | −4−40.0% | Reduced |
| Bell Investment Advisors, Inc | 7 | $537 | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 7 | $537 | 0.00% | +7 | New |
| Skopos Labs, Inc. | 7 | $537 | 0.00% | +7 | New |
| Farther Finance Advisors, LLC | 8 | $614 | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 8 | $614 | 0.00% | +8 | New |
| Assetmark, Inc | 10 | $767 | 0.00% | +10 | New |
| SRS Capital Advisors, Inc. | 14 | $1.07K | 0.00% | +14 | New |
| Wolff Wiese Magana LLC | 17 | $1.30K | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 19 | $1.46K | 0.00% | +19 | New |
| EverSource Wealth Advisors, LLC | 21 | $1.61K | 0.00% | +21 | New |
| Bessemer Group Inc | 30 | $2.00K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 33 | $2.53K | 0.00% | −21−38.9% | Reduced |
| Fortitude Family Office, LLC | 38 | $2.91K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 44 | $3.37K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 45 | $3.45K | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 45 | $3.45K | 0.00% | +45 | New |
| Aventura Private Wealth, LLC | 45 | $3.45K | 0.00% | +45 | New |
| Comerica Bank | 85 | $6.49K | 0.00% | +7+9.0% | Added |
| CWM, LLC | 90 | $7.00K | 0.00% | +9+11.1% | Added |
| Advisor Group Holdings, Inc. | 119 | $9.13K | 0.00% | +1+0.8% | Added |
| Smartleaf Asset Management LLC | 155 | $12.1K | 0.00% | +42+37.2% | Added |
| Turim 21 Investimentos Ltda. | 179 | $12.2K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 178 | $14.0K | 0.00% | −26−12.7% | Reduced |
| Caitong International Asset Management Co., Ltd | 239 | $18.3K | 0.02% | +239 | New |
| GAMMA Investing LLC | 242 | $18.6K | 0.00% | +10+4.3% | Added |
| The PNC Financial Services Group, Inc. | 291 | $22.3K | 0.00% | +246+546.7% | Added |
| Headlands Technologies LLC | 529 | $40.6K | 0.00% | +529 | New |
| Nisa Investment Advisors, LLC | 597 | $45.8K | 0.00% | +33+5.9% | Added |
| Virtus ETF Advisers LLC | 852 | $65.3K | 0.03% | −799−48.4% | Reduced |
| Royal Bank of Canada | 883 | $68.0K | 0.00% | −4,107−82.3% | Reduced |
| GF Fund Management Co. Ltd. | 1,135 | $87.0K | 0.00% | +1,135 | New |
| Amalgamated Bank | 1,347 | $103.0K | 0.00% | 00.0% | Unchanged |
| KBC Group NV | 1,388 | $106.0K | 0.00% | +377+37.3% | Added |
| Covestor Ltd | 1,448 | $111.0K | 0.07% | −168−10.4% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 1,802 | $142.5K | 0.00% | −142−7.3% | Reduced |
| Exchange Traded Concepts, LLC | 2,175 | $166.8K | 0.00% | 00.0% | Unchanged |
| Avanza Fonder AB | 2,398 | $183.9K | 0.01% | +2,398 | New |
| Kazazian Asset Management, LLC | 2,660 | $204.0K | 0.16% | +2,660 | New |
| Envestnet Asset Management Inc | 2,747 | $210.7K | 0.00% | −999−26.7% | Reduced |
| Landscape Capital Management, L.L.C. | 2,793 | $214.2K | 0.02% | +2,793 | New |
| JustInvest LLC | 2,809 | $215.4K | 0.00% | +212+8.2% | Added |
| Bellevue Group AG | 3,000 | $230.1K | 0.00% | −1,000−25.0% | Reduced |
| Advisory Alpha, LLC | 3,000 | $230.1K | 0.01% | 00.0% | Unchanged |
| Xponance, Inc. | 3,088 | $236.8K | 0.00% | +244+8.6% | Added |
| Prudential Financial Inc | 3,120 | $239.3K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 3,217 | $247.0K | 0.00% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 3,301 | $253.2K | 0.00% | 00.0% | Unchanged |
| Integrated Wealth Concepts LLC | 3,426 | $262.7K | 0.00% | −64−1.8% | Reduced |
| Mercer Global Advisors Inc | 3,619 | $277.5K | 0.00% | +3,619 | New |
| Principal Financial Group Inc | 3,679 | $282.1K | 0.00% | −339−8.4% | Reduced |
| Sherbrooke Park Advisers LLC | 3,805 | $291.8K | 0.09% | +3,805 | New |
| ADAR1 Capital Management, LLC | 3,962 | $303.8K | 0.06% | 00.0% | Unchanged |
| Farallon Capital Management, L.L.C. | 4,000 | $306.8K | 0.00% | 00.0% | Unchanged |
| CIBC World Markets Corp | 4,033 | $309.3K | 0.00% | +4,033 | New |
| FORA Capital, LLC | 4,064 | $311.7K | 0.04% | −8,871−68.6% | Reduced |
| SBI Securities Co., Ltd. | 4,123 | $316.2K | 0.01% | +4,123 | New |
| Creative Planning | 4,193 | $321.6K | 0.00% | +4,193 | New |
| Jump Financial, LLC | 4,359 | $334.3K | 0.01% | +4,359 | New |
| Ameritas Investment Partners, Inc. | 4,367 | $334.9K | 0.01% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 4,945 | $379.2K | 0.00% | +1,426+40.5% | Added |
| Allspring Global Investments Holdings, LLC | 5,000 | $383.4K | 0.00% | −1,948−28.0% | Reduced |
| E Fund Management Co., Ltd. | 5,049 | $387.2K | 0.02% | +1,467+41.0% | Added |
| Squarepoint Ops LLC | 5,330 | $408.8K | 0.00% | +5,330 | New |
| Two Sigma Advisers, LP | 5,600 | $429.5K | 0.00% | +1,100+24.4% | Added |
| Legato Capital Management LLC | 5,999 | $460.1K | 0.06% | +1,591+36.1% | Added |
| US Bancorp | 6,023 | $461.9K | 0.00% | −1,580−20.8% | Reduced |
| Brevan Howard Capital Management LP | 6,079 | $466.2K | 0.01% | +6,079 | New |
| HSBC Holdings PLC | 6,383 | $496.5K | 0.00% | +3,410+114.7% | Added |
| KLP Kapitalforvaltning AS | 6,600 | $506.2K | 0.00% | +6,600 | New |
| Algert Global LLC | 6,844 | $524.9K | 0.01% | +6,844 | New |
| Two Sigma Investments, LP | 6,900 | $529.2K | 0.00% | −18,228−72.5% | Reduced |
| Mariner, LLC | 6,980 | $535.3K | 0.00% | +1,915+37.8% | Added |
| Trexquant Investment LP | 7,237 | $555.0K | 0.01% | +7,237 | New |
| Fieldview Capital Management, LLC | 7,237 | $555.0K | 0.09% | +7,237 | New |
| Verition Fund Management LLC | 7,449 | $571.3K | 0.00% | +7,449 | New |
| NEOS Investment Management LLC | 7,468 | $572.7K | 0.01% | −4,442−37.3% | Reduced |
| Tema ETFs LLC | 7,468 | $572.7K | 0.24% | +7,468 | New |
| Bryce Point Capital, LLC | 7,475 | $573.3K | 0.17% | +7,475 | New |
| Advisors Asset Management, Inc. | 7,651 | $586.8K | 0.01% | +1,455+23.5% | Added |
| Y-Intercept (Hong Kong) Ltd | 7,735 | $593.2K | 0.04% | +3,831+98.1% | Added |
| Tower Research Capital LLC (TRC) | 7,984 | $612.3K | 0.01% | +7,308+1,081.1% | Added |
| Guggenheim Capital LLC | 8,303 | $636.8K | 0.01% | +8,303 | New |
| High Net Worth Advisory Group LLC | 8,500 | $651.9K | 0.18% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 9,182 | $704.2K | 0.01% | +9,182 | New |
| LPL Financial LLC | 9,274 | $711.2K | 0.00% | +119+1.3% | Added |
| Arizona State Retirement System | 9,343 | $716.5K | 0.00% | +99+1.1% | Added |
| Teacher Retirement System of Texas | 9,556 | $733.0K | 0.00% | +1,505+18.7% | Added |
| SEI Investments Co | 9,688 | $743.0K | 0.00% | +4,827+99.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,836 | $754.3K | 0.00% | +858+9.6% | Added |
| Diadema Partners LP | 10,100 | $774.6K | 0.87% | +10,100 | New |
| Ameriprise Financial Inc | 10,171 | $780.0K | 0.00% | −945−8.5% | Reduced |
| Scientech Research LLC | 10,281 | $788.5K | 0.22% | +10,281 | New |
| Gotham Asset Management, LLC | 10,508 | $805.9K | 0.01% | −2,493−19.2% | Reduced |