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, Q1 2024
Institutional positions in Arcellx, Inc. as of Mar 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
- 183
- +28 vs. Q4 2023
- Shares held
- 47.0M
- +337.3K (+0.7%) vs. Q4 2023
- Total value
- $3.27B
- +$678.4M (+26.2%) vs. Q4 2023
- New holders
- 42
- 69 more added
- Sold out
- 14
- 58 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Arcellx, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 3 | $0 | 0.00% | 00.0% | Unchanged |
| Principal Securities, Inc. | 2 | $139 | 0.00% | +2 | New |
| Rothschild Investment LLC | 5 | $348 | 0.00% | +5 | New |
| Farther Finance Advisors, LLC | 6 | $402 | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 7 | $487 | 0.00% | +7 | New |
| Institutional & Family Asset Management, LLC | 8 | $556 | 0.00% | +8 | New |
| CWM, LLC | 11 | $1.00K | 0.00% | 00.0% | Unchanged |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 19 | $1.32K | 0.00% | +19 | New |
| Advisor Group Holdings, Inc. | 28 | $1.95K | 0.00% | −19−40.4% | Reduced |
| Fortitude Family Office, LLC | 38 | $2.64K | 0.00% | 00.0% | Unchanged |
| Clear Street Markets LLC | 42 | $3.00K | 0.00% | +42 | New |
| The PNC Financial Services Group, Inc. | 57 | $3.96K | 0.00% | +57 | New |
| Lindbrook Capital, LLC | 85 | $5.91K | 0.00% | +85 | New |
| Comerica Bank | 105 | $7.29K | 0.00% | +24+29.6% | Added |
| EntryPoint Capital, LLC | 142 | $9.88K | 0.01% | −508−78.2% | Reduced |
| GAMMA Investing LLC | 152 | $10.6K | 0.00% | +37+32.2% | Added |
| Daiwa Securities Group Inc. | 176 | $12.0K | 0.00% | 00.0% | Unchanged |
| Turim 21 Investimentos Ltda. | 179 | $12.4K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 396 | $27.5K | 0.00% | −4,794−92.4% | Reduced |
| Nisa Investment Advisors, LLC | 456 | $31.7K | 0.00% | +28+6.5% | Added |
| GWM Advisors LLC | 527 | $36.7K | 0.00% | +527 | New |
| Pacer Advisors, Inc. | 593 | $41.2K | 0.00% | +593 | New |
| State of Wyoming | 629 | $43.7K | 0.01% | +629 | New |
| Point72 (DIFC) Ltd | 644 | $44.8K | 0.00% | +644 | New |
| KBC Group NV | 666 | $46.0K | 0.00% | +666 | New |
| National Bank of Canada | 1,000 | $49.7K | 0.00% | +1,000 | New |
| Plato Investment Management Ltd | 729 | $50.7K | 0.01% | +729 | New |
| Royal Bank of Canada | 1,290 | $90.0K | 0.00% | −10,684−89.2% | Reduced |
| Amalgamated Bank | 1,293 | $90.0K | 0.00% | −4,228−76.6% | Reduced |
| Harvest Fund Management Co., Ltd | 1,391 | $97.0K | 0.01% | +1,391 | New |
| Point72 Asia (Singapore) Pte. Ltd. | 1,498 | $104.2K | 0.03% | +789+111.3% | Added |
| US Bancorp | 1,539 | $107.0K | 0.00% | +1,367+794.8% | Added |
| Virtus ETF Advisers LLC | 1,688 | $117.4K | 0.06% | −117−6.5% | Reduced |
| Lazard Asset Management LLC | 1,779 | $123.0K | 0.00% | −308−14.8% | Reduced |
| Metropolitan Life Insurance Co | 2,107 | $146.5K | 0.01% | −189−8.2% | Reduced |
| Mackenzie Financial Corp | 2,912 | $202.5K | 0.00% | +2,912 | New |
| Envestnet Asset Management Inc | 2,948 | $205.0K | 0.00% | +2,948 | New |
| Advisory Alpha, LLC | 3,000 | $208.7K | 0.01% | +3,000 | New |
| NEOS Investment Management LLC | 3,053 | $212.3K | 0.01% | +3,053 | New |
| Corton Capital Inc. | 3,115 | $216.6K | 0.08% | −5,284−62.9% | Reduced |
| Marshall Wace, LLP | 3,300 | $229.5K | 0.00% | +3,300 | New |
| Simplicity Wealth,LLC | 3,331 | $231.7K | 0.01% | +3,331 | New |
| Bleakley Financial Group, LLC | 3,331 | $231.7K | 0.01% | +3,331 | New |
| Prudential Financial Inc | 3,484 | $242.3K | 0.00% | +3,484 | New |
| Arrowstreet Capital, Limited Partnership | 3,500 | $243.0K | 0.00% | +3,500 | New |
| Pictet Asset Management Holding SA | 3,519 | $244.7K | 0.00% | −54,726−94.0% | Reduced |
| Ameritas Investment Partners, Inc. | 3,970 | $276.1K | 0.01% | 00.0% | Unchanged |
| Farallon Capital Management, L.L.C. | 4,000 | $278.2K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 4,062 | $282.5K | 0.04% | +4,062 | New |
| Exchange Traded Concepts, LLC | 4,096 | $284.9K | 0.01% | −145−3.4% | Reduced |
| Advisors Asset Management, Inc. | 4,197 | $291.9K | 0.01% | +3,798+951.9% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,071 | $352.7K | 0.00% | −1,334−20.8% | Reduced |
| HSBC Holdings PLC | 5,166 | $359.2K | 0.00% | +5,166 | New |
| Gotham Asset Management, LLC | 5,257 | $365.6K | 0.01% | +6+0.1% | Added |
| Oxford Asset Management LLP | 5,305 | $369.0K | 0.40% | +5,305 | New |
| Raymond James & Associates | 5,707 | $396.9K | 0.00% | +5,707 | New |
| Wexford Capital LP | 5,839 | $406.1K | 0.08% | +5,839 | New |
| E Fund Management Co., Ltd. | 5,986 | $416.3K | 0.03% | −26−0.4% | Reduced |
| Mariner, LLC | 6,071 | $422.2K | 0.00% | +1,372+29.2% | Added |
| Engineers Gate Manager LP | 6,288 | $437.3K | 0.01% | −5,087−44.7% | Reduced |
| Teacher Retirement System of Texas | 6,356 | $442.0K | 0.00% | −350−5.2% | Reduced |
| Eschler Asset Management LLP | 6,787 | $472.0K | 0.31% | +6,787 | New |
| Arizona State Retirement System | 7,849 | $545.9K | 0.00% | −263−3.2% | Reduced |
| Acadian Asset Management LLC | 7,882 | $548.0K | 0.00% | +4,774+153.6% | Added |
| High Net Worth Advisory Group LLC | 8,000 | $556.4K | 0.18% | +1,000+14.3% | Added |
| LPL Financial LLC | 8,452 | $587.8K | 0.00% | +1,090+14.8% | Added |
| Danske Bank A/S | 8,990 | $625.3K | 0.00% | +8,990 | New |
| Jump Financial, LLC | 9,310 | $647.5K | 0.02% | −5,873−38.7% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 9,420 | $655.2K | 0.05% | +4,544+93.2% | Added |
| China Universal Asset Management Co., Ltd. | 10,177 | $707.8K | 0.09% | +4,545+80.7% | Added |
| ProShare Advisors LLC | 10,590 | $736.5K | 0.00% | +1,131+12.0% | Added |
| STRS Ohio | 10,600 | $737.0K | 0.00% | −1,700−13.8% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 18,629 | $775.6K | 0.00% | −3,738−16.7% | Reduced |
| Allspring Global Investments Holdings, LLC | 11,556 | $803.7K | 0.00% | +11,556 | New |
| Jasper Ridge Partners, L.P. | 11,820 | $822.1K | 0.03% | 00.0% | Unchanged |
| AQR Capital Management LLC | 12,134 | $843.9K | 0.00% | +1,072+9.7% | Added |
| SG Americas Securities, LLC | 12,253 | $852.0K | 0.00% | −16,532−57.4% | Reduced |
| HighTower Advisors, LLC | 12,440 | $864.0K | 0.00% | −7−0.1% | Reduced |
| Ameriprise Financial Inc | 14,243 | $990.6K | 0.00% | +10,488+279.3% | Added |
| Entropy Technologies, LP | 14,526 | $1.01M | 0.11% | −890−5.8% | Reduced |
| SEI Investments Co | 14,836 | $1.03M | 0.00% | +3,951+36.3% | Added |
| Advantage Alpha Capital Partners LP | 15,475 | $1.08M | 0.20% | −7,198−31.7% | Reduced |
| Wellington Management Group LLP | 15,697 | $1.09M | 0.00% | +1,628+11.6% | Added |
| Norges Bank | 16,369 | $1.14M | 0.00% | +16,369 | New |
| New York State Common Retirement Fund | 16,975 | $1.18M | 0.00% | +1,537+10.0% | Added |
| Seven Eight Capital, LP | 17,351 | $1.21M | 0.13% | +17,351 | New |
| HealthInvest Partners AB | 17,496 | $1.22M | 0.74% | +6,096+53.5% | Added |
| Wells Fargo & Company | 17,834 | $1.24M | 0.00% | +7,319+69.6% | Added |
| Harbor Capital Advisors, Inc. | 18,794 | $1.31M | 0.17% | +18,794 | New |
| American International Group, Inc. | 18,904 | $1.31M | 0.00% | −162−0.8% | Reduced |
| MetLife Investment Management | 19,594 | $1.36M | 0.01% | −590−2.9% | Reduced |
| Allianz Asset Management GmbH | 19,900 | $1.38M | 0.00% | +4,100+25.9% | Added |
| Profund Advisors LLC | 20,033 | $1.39M | 0.05% | +1,436+7.7% | Added |
| Invesco Ltd. | 20,223 | $1.41M | 0.00% | −4,771−19.1% | Reduced |
| Moody Aldrich Partners LLC | 20,560 | $1.43M | 0.24% | +20,560 | New |
| Erste Asset Management GmbH | 21,000 | $1.48M | 0.02% | +21,000 | New |
| FORA Capital, LLC | 22,217 | $1.55M | 0.13% | 00.0% | Unchanged |
| Martingale Asset Management L P | 22,932 | $1.59M | 0.03% | −4,202−15.5% | Reduced |
| Congress Asset Management Co | 23,228 | $1.62M | 0.01% | −1,831−7.3% | Reduced |
| D. E. Shaw & Co., Inc. | 25,286 | $1.76M | 0.00% | −41,788−62.3% | Reduced |