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 2022
Institutional positions in Arcellx, Inc. as of Dec 31, 2022. 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
- 125
- +52 vs. Q3 2022
- Shares held
- 41.9M
- +1.60M (+4.0%) vs. Q3 2022
- Total value
- $1.30B
- +$541.4M (+71.6%) vs. Q3 2022
- New holders
- 55
- 35 more added
- Sold out
- 3
- 29 more reduced
1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: 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 2022
Shares, value and share of portfolio for each institution holding Arcellx, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CWM, LLC | 11 | $0 | 0.00% | +11 | New |
| Federated Hermes, Inc. | 4 | $124 | 0.00% | +4 | New |
| McElhenny Sheffield Capital Management, LLC | 19 | $589 | 0.00% | +19 | New |
| Nisa Investment Advisors, LLC | 28 | $1.00K | 0.00% | 00.0% | Unchanged |
| TCI Wealth Advisors, Inc. | 92 | $2.85K | 0.00% | +92 | New |
| FNY Investment Advisers, LLC | 110 | $3.00K | 0.00% | +110 | New |
| HealthInvest Partners AB | 142 | $4.40K | 0.01% | +142 | New |
| Daiwa Securities Group Inc. | 176 | $5.00K | 0.00% | +176 | New |
| US Bancorp | 185 | $5.73K | 0.00% | +185 | New |
| China Universal Asset Management Co., Ltd. | 445 | $13.8K | 0.01% | +445 | New |
| Tower Research Capital LLC (TRC) | 459 | $14.0K | 0.00% | −3,130−87.2% | Reduced |
| Simplex Trading, LLC | 577 | $17.0K | 0.00% | −3,272−85.0% | Reduced |
| Metropolitan Life Insurance Co | 1,910 | $59.2K | 0.00% | 00.0% | Unchanged |
| Shell Asset Management Co | 2,219 | $69.0K | 0.00% | +2,219 | New |
| UBS Group AG | 2,441 | $75.6K | 0.00% | −184,236−98.7% | Reduced |
| Ameritas Investment Partners, Inc. | 2,319 | $76.5K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 2,660 | $82.4K | 0.00% | +618+30.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 2,901 | $89.9K | 0.00% | +2,901 | New |
| Royal Bank of Canada | 3,353 | $103.0K | 0.00% | +2,957+746.7% | Added |
| Amalgamated Bank | 3,820 | $118.0K | 0.00% | 00.0% | Unchanged |
| High Net Worth Advisory Group LLC | 4,000 | $123.9K | 0.05% | +1,500+60.0% | Added |
| Virtus ETF Advisers LLC | 4,245 | $131.5K | 0.07% | +4,245 | New |
| Legal & General Group Plc | 6,664 | $206.5K | 0.00% | +3,905+141.5% | Added |
| ProShare Advisors LLC | 7,431 | $230.2K | 0.00% | +7,431 | New |
| Algert Global LLC | 7,600 | $235.4K | 0.01% | +7,600 | New |
| Jasper Ridge Partners, L.P. | 7,880 | $244.1K | 0.01% | +7,880 | New |
| MYDA Advisors LLC | 8,000 | $247.8K | 0.18% | −2,000−20.0% | Reduced |
| Principal Financial Group Inc | 8,901 | $275.8K | 0.00% | +8,901 | New |
| Invesco Ltd. | 10,499 | $325.3K | 0.00% | +10,499 | New |
| Blue Owl Capital Holdings LP | 10,630 | $329.3K | 0.14% | +10,630 | New |
| SG Americas Securities, LLC | 10,756 | $333.0K | 0.00% | −8,361−43.7% | Reduced |
| HighTower Advisors, LLC | 11,572 | $359.0K | 0.00% | +72+0.6% | Added |
| Credit Suisse AG | 11,630 | $360.3K | 0.00% | +11,465+6,948.5% | Added |
| Manufacturers Life Insurance Company, The | 11,676 | $361.7K | 0.00% | +11,676 | New |
| Susquehanna International Group, LLP | 11,763 | $364.4K | 0.00% | −21,726−64.9% | Reduced |
| Deutsche Bank AG | 12,585 | $389.9K | 0.00% | +198+1.6% | Added |
| UBS Asset Management Americas Inc | 13,700 | $424.4K | 0.00% | +13,700 | New |
| American International Group, Inc. | 13,989 | $433.4K | 0.00% | −51−0.4% | Reduced |
| Schonfeld Strategic Advisors LLC | 14,302 | $443.1K | 0.00% | +3,771+35.8% | Added |
| Mirae Asset Global Investments Co., Ltd. | 14,342 | $444.3K | 0.00% | +14,342 | New |
| State of Wisconsin Investment Board | 15,312 | $474.4K | 0.00% | +15,312 | New |
| Hamilton Lane Advisors LLC | 16,055 | $497.0K | 0.18% | +16,055 | New |
| DekaBank Deutsche Girozentrale | 16,000 | $502.0K | 0.00% | +16,000 | New |
| Walleye Capital LLC | 16,270 | $504.0K | 0.01% | −56,733−77.7% | Reduced |
| Fred Alger Management, LLC | 18,433 | $571.1K | 0.00% | +18,433 | New |
| Putnam Investments LLC | 19,403 | $601.1K | 0.00% | −10−0.1% | Reduced |
| Teachers Retirement System of the State of Kentucky | 19,971 | $619.0K | 0.01% | +19,971 | New |
| Allianz Asset Management GmbH | 21,300 | $659.9K | 0.00% | +21,300 | New |
| New York State Common Retirement Fund | 22,046 | $683.0K | 0.00% | +4,462+25.4% | Added |
| Vident Investment Advisory, LLC | 23,540 | $729.3K | 0.03% | −12,267−34.3% | Reduced |
| Russell Investments Group, Ltd. | 24,543 | $760.3K | 0.00% | +24,543 | New |
| Liberty Mutual Group Asset Management Inc. | 25,073 | $776.8K | 0.21% | +25,073 | New |
| SEI Investments Co | 25,118 | $778.2K | 0.00% | −784−3.0% | Reduced |
| Squarepoint Ops LLC | 25,270 | $782.9K | 0.01% | +25,270 | New |
| Utah Retirement Systems | 25,789 | $798.9K | 0.01% | +25,789 | New |
| Alliancebernstein L.P. | 26,700 | $827.2K | 0.00% | +5,200+24.2% | Added |
| Alps Advisors Inc | 29,726 | $920.9K | 0.01% | +29,726 | New |
| First Trust Advisors LP | 30,087 | $932.2K | 0.00% | +30,087 | New |
| Two Sigma Advisers, LP | 31,300 | $969.7K | 0.00% | +31,300 | New |
| Jump Financial, LLC | 33,002 | $1.02M | 0.05% | +33,002 | New |
| Partners Group Holding AG | 35,818 | $1.11M | 0.08% | +35,818 | New |
| Caxton Corp | 36,302 | $1.12M | 2.87% | −39,884−52.4% | Reduced |
| Swiss National Bank | 37,000 | $1.15M | 0.00% | +37,000 | New |
| MetLife Investment Management | 38,336 | $1.19M | 0.01% | +21,490+127.6% | Added |
| Adams Street Partners LLC | 38,544 | $1.19M | 0.40% | +38,544 | New |
| Rhumbline Advisers | 42,989 | $1.33M | 0.00% | +5,066+13.4% | Added |
| Citigroup Inc | 49,328 | $1.53M | 0.00% | −34,934−41.5% | Reduced |
| Renaissance Technologies LLC | 50,800 | $1.57M | 0.00% | +50,800 | New |
| STRS Ohio | 52,764 | $1.63M | 0.01% | +45,964+675.9% | Added |
| Wellington Management Group LLP | 68,669 | $2.13M | 0.00% | +68,669 | New |
| Barclays PLC | 69,322 | $2.15M | 0.00% | +10,285+17.4% | Added |
| Millennium Management LLC | 70,277 | $2.18M | 0.00% | +49,039+230.9% | Added |
| Cubist Systematic Strategies, LLC | 73,132 | $2.27M | 0.02% | +73,132 | New |
| EAM Global Investors LLC | 78,433 | $2.43M | 0.63% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 78,725 | $2.44M | 0.00% | +78,725 | New |
| Bank of America Corp | 80,367 | $2.49M | 0.00% | −14,211−15.0% | Reduced |
| Nuveen Asset Management, LLC | 89,803 | $2.78M | 0.00% | −14,315−13.7% | Reduced |
| Price T Rowe Associates Inc | 93,469 | $2.90M | 0.00% | +93,469 | New |
| Voloridge Investment Management, LLC | 100,678 | $3.12M | 0.02% | +100,678 | New |
| Rafferty Asset Management, LLC | 110,218 | $3.41M | 0.03% | +17,765+19.2% | Added |
| Teacher Retirement System of Texas | 112,107 | $3.47M | 0.03% | +112,107 | New |
| Voya Investment Management LLC | 112,841 | $3.50M | 0.00% | +58,220+106.6% | Added |
| Parkman Healthcare Partners LLC | 121,093 | $3.75M | 1.00% | −18,782−13.4% | Reduced |
| Goldman Sachs Group Inc | 122,117 | $3.78M | 0.00% | +33,938+38.5% | Added |
| Morgan Stanley | 123,495 | $3.83M | 0.00% | +26,790+27.7% | Added |
| Norges Bank | 123,600 | $3.83M | 0.00% | +123,600 | New |
| EAM Investors, LLC | 128,525 | $3.98M | 0.82% | −761−0.6% | Reduced |
| Caas Capital Management LP | 129,959 | $4.03M | 0.77% | +129,959 | New |
| Bank of New York Mellon Corp | 131,165 | $4.06M | 0.00% | +10,528+8.7% | Added |
| Altium Capital Management LP | 150,000 | $4.65M | 2.38% | +35,000+30.4% | Added |
| Two Sigma Investments, LP | 155,006 | $4.80M | 0.02% | +155,006 | New |
| California State Teachers Retirement System | 164,804 | $5.11M | 0.01% | +153,131+1,311.8% | Added |
| Pathway Capital Management, LP | 189,120 | $5.86M | 10.46% | +189,120 | New |
| Charles Schwab Investment Management Inc | 207,674 | $6.43M | 0.00% | +4,835+2.4% | Added |
| TimesSquare Capital Management, LLC | 218,910 | $6.78M | 0.10% | −162,100−42.5% | Reduced |
| Clough Capital Partners L P | 236,978 | $7.34M | 0.74% | −516,855−68.6% | Reduced |
| Sphera Funds Management Ltd. | 237,488 | $7.36M | 2.31% | −96,592−28.9% | Reduced |
| Affinity Asset Advisors, LLC | 240,143 | $7.44M | 3.41% | +30,005+14.3% | Added |
| Balyasny Asset Management LLC | 250,477 | $7.76M | 0.03% | −112,281−31.0% | Reduced |
| Northern Trust Corp | 276,978 | $8.58M | 0.00% | +21,622+8.5% | Added |