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 2025
Institutional positions in Arcellx, Inc. as of Jun 30, 2025. 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
- 203
- +6 vs. Q1 2025
- Shares held
- 61.4M
- −195.7K (−0.3%) vs. Q1 2025
- Total value
- $4.01B
- −$32.5M (−0.8%) vs. Q1 2025
- New holders
- 30
- 61 more added
- Sold out
- 24
- 82 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding Arcellx, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Squarepoint Ops LLC | 16,044 | $1.06M | 0.00% | +16,044 | New |
| Brevan Howard Capital Management LP | 14,436 | $950.6K | 0.01% | +14,436 | New |
| STRS Ohio | 14,300 | $941.7K | 0.00% | 00.0% | Unchanged |
| Jain Global LLC | 14,281 | $940.4K | 0.01% | +14,281 | New |
| Franklin Resources Inc | 14,020 | $923.2K | 0.00% | −12,987−48.1% | Reduced |
| ADAR1 Capital Management, LLC | 13,962 | $919.4K | 0.15% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 13,000 | $856.0K | 0.01% | +13,000 | New |
| HighTower Advisors, LLC | 12,542 | $825.9K | 0.00% | −134−1.1% | Reduced |
| Profund Advisors LLC | 11,887 | $782.8K | 0.03% | −506−4.1% | Reduced |
| Jasper Ridge Partners, L.P. | 11,820 | $778.3K | 0.02% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 11,772 | $775.2K | 0.00% | −161,287−93.2% | Reduced |
| Handelsbanken Fonder AB | 11,600 | $764.0K | 0.00% | 00.0% | Unchanged |
| Norges Bank | 11,221 | $738.9K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 11,117 | $732.1K | 0.00% | +1,538+16.1% | Added |
| China Universal Asset Management Co., Ltd. | 11,068 | $728.8K | 0.07% | +47+0.4% | Added |
| State Board of Administration of Florida Retirement System | 10,850 | $714.5K | 0.00% | 00.0% | Unchanged |
| Martingale Asset Management L P | 10,515 | $692.4K | 0.02% | −890−7.8% | Reduced |
| LPL Financial LLC | 9,946 | $654.9K | 0.00% | +392+4.1% | Added |
| Gotham Asset Management, LLC | 9,842 | $648.1K | 0.00% | −610−5.8% | Reduced |
| Arizona State Retirement System | 9,578 | $630.7K | 0.00% | +296+3.2% | Added |
| ProShare Advisors LLC | 9,565 | $629.9K | 0.00% | −2,383−19.9% | Reduced |
| Allianz Asset Management GmbH | 9,200 | $605.8K | 0.00% | −800−8.0% | Reduced |
| Teacher Retirement System of Texas | 8,883 | $584.9K | 0.00% | +151+1.7% | Added |
| Advisors Asset Management, Inc. | 8,799 | $579.4K | 0.01% | −62−0.7% | Reduced |
| AQR Capital Management LLC | 8,557 | $563.5K | 0.00% | −8,583−50.1% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 8,545 | $562.7K | 0.00% | +8,545 | New |
| Creative Planning | 8,492 | $559.2K | 0.00% | −6,923−44.9% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 8,461 | $557.2K | 0.01% | −1,094−11.4% | Reduced |
| Guggenheim Capital LLC | 8,173 | $538.2K | 0.00% | −2,244−21.5% | Reduced |
| High Net Worth Advisory Group LLC | 8,000 | $526.8K | 0.14% | −500−5.9% | Reduced |
| KLP Kapitalforvaltning AS | 6,600 | $434.6K | 0.00% | 00.0% | Unchanged |
| E Fund Management Co., Ltd. | 6,293 | $414.4K | 0.02% | +825+15.1% | Added |
| Tower Research Capital LLC (TRC) | 6,143 | $404.5K | 0.01% | +3,147+105.0% | Added |
| Mariner, LLC | 5,469 | $360.1K | 0.00% | −1,596−22.6% | Reduced |
| Legato Capital Management LLC | 5,459 | $359.5K | 0.04% | +5,459 | New |
| SG Americas Securities, LLC | 5,315 | $350.0K | 0.00% | +5,315 | New |
| Prudential Financial Inc | 4,900 | $322.7K | 0.00% | +1,615+49.2% | Added |
| Quantessence Capital LLC | 4,750 | $312.8K | 0.09% | +4,750 | New |
| CIBC World Markets Corp | 4,511 | $297.0K | 0.00% | −5,194−53.5% | Reduced |
| Farallon Capital Management, L.L.C. | 4,000 | $263.4K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,738 | $246.1K | 0.01% | −629−14.4% | Reduced |
| EntryPoint Capital, LLC | 3,634 | $239.3K | 0.12% | −140−3.7% | Reduced |
| SBI Securities Co., Ltd. | 3,455 | $227.5K | 0.01% | −141−3.9% | Reduced |
| JustInvest LLC | 3,428 | $225.7K | 0.00% | +228+7.1% | Added |
| Public Employees Retirement Association of Colorado | 3,217 | $212.0K | 0.00% | 00.0% | Unchanged |
| Integrated Wealth Concepts LLC | 3,140 | $206.8K | 0.00% | −246−7.3% | Reduced |
| Bellevue Group AG | 3,000 | $197.6K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 2,701 | $177.9K | 0.04% | −199−6.9% | Reduced |
| Wexford Capital LP | 2,420 | $159.4K | 0.04% | −10,387−81.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 2,129 | $140.2K | 0.00% | +290+15.8% | Added |
| Virtus Investment Advisers, Inc. | 1,414 | $93.1K | 0.03% | −554−28.2% | Reduced |
| Royal Bank of Canada | 1,420 | $93.0K | 0.00% | +1,263+804.5% | Added |
| GF Fund Management Co. Ltd. | 1,384 | $91.1K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 1,249 | $82.0K | 0.00% | −259−17.2% | Reduced |
| Avanza Fonder AB | 1,219 | $80.3K | 0.00% | −424−25.8% | Reduced |
| US Bancorp | 1,143 | $75.3K | 0.00% | −54−4.5% | Reduced |
| KBC Group NV | 1,056 | $70.0K | 0.00% | −441−29.5% | Reduced |
| Allostery Investments LP | 1,000 | $65.8K | 0.84% | −43,000−97.7% | Reduced |
| The PNC Financial Services Group, Inc. | 751 | $49.5K | 0.00% | +486+183.4% | Added |
| Lazard Asset Management LLC | 735 | $48.0K | 0.00% | −4,476−85.9% | Reduced |
| Covestor Ltd | 636 | $42.0K | 0.02% | −1,501−70.2% | Reduced |
| Nisa Investment Advisors, LLC | 525 | $34.6K | 0.00% | −71−11.9% | Reduced |
| State of Wyoming | 425 | $28.0K | 0.00% | +425 | New |
| Quest Partners LLC | 369 | $24.3K | 0.00% | +369 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 301 | $20.0K | 0.00% | +301 | New |
| GAMMA Investing LLC | 303 | $20.0K | 0.00% | −191−38.7% | Reduced |
| Versant Capital Management, Inc | 243 | $16.0K | 0.00% | +129+113.2% | Added |
| Daiwa Securities Group Inc. | 198 | $13.0K | 0.00% | +20+11.2% | Added |
| Turim 21 Investimentos Ltda. | 179 | $11.8K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 130 | $8.56K | 0.00% | +90+225.0% | Added |
| EverSource Wealth Advisors, LLC | 104 | $6.85K | 0.00% | +86+477.8% | Added |
| CWM, LLC | 94 | $6.00K | 0.00% | −56−37.3% | Reduced |
| Sterling Capital Management LLC | 88 | $5.79K | 0.00% | +42+91.3% | Added |
| Advisor Group Holdings, Inc. | 84 | $5.53K | 0.00% | +58+223.1% | Added |
| Natixis | 80 | $5.27K | 0.00% | +80 | New |
| Allworth Financial LP | 66 | $4.35K | 0.00% | +38+135.7% | Added |
| Rothschild Investment LLC | 60 | $3.95K | 0.00% | −25−29.4% | Reduced |
| IFP Advisors, Inc | 0 | $3.95K | 0.00% | 0 | Unchanged |
| Comerica Bank | 59 | $3.86K | 0.00% | −28−32.2% | Reduced |
| Larson Financial Group LLC | 57 | $3.75K | 0.00% | +29+103.6% | Added |
| Parallel Advisors, LLC | 55 | $3.62K | 0.00% | +25+83.3% | Added |
| SRS Capital Advisors, Inc. | 51 | $3.36K | 0.00% | +40+363.6% | Added |
| Aventura Private Wealth, LLC | 45 | $2.96K | 0.00% | 00.0% | Unchanged |
| J.Safra Asset Management Corp | 40 | $2.63K | 0.00% | 00.0% | Unchanged |
| MPM Oncology Impact Management LP | 37 | $2.44K | 0.00% | +37 | New |
| Clearstead Advisors, LLC | 33 | $2.17K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 32 | $2.11K | 0.00% | +32 | New |
| Bessemer Group Inc | 30 | $2.00K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 29 | $1.91K | 0.00% | +9+45.0% | Added |
| Fortitude Family Office, LLC | 26 | $1.71K | 0.00% | −12−31.6% | Reduced |
| Smartleaf Asset Management LLC | 21 | $1.37K | 0.00% | −113−84.3% | Reduced |
| Wolff Wiese Magana LLC | 17 | $1.12K | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 15 | $988 | 0.00% | +13+650.0% | Added |
| Assetmark, Inc | 13 | $856 | 0.00% | +6+85.7% | Added |
| Bare Financial Services, Inc | 10 | $659 | 0.00% | +10 | New |
| Signaturefd, LLC | 9 | $593 | 0.00% | −15−62.5% | Reduced |
| Farther Finance Advisors, LLC | 8 | $527 | 0.00% | −11−57.9% | Reduced |
| Bell Investment Advisors, Inc | 7 | $461 | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 7 | $461 | 0.00% | +7 | New |
| Global Retirement Partners, LLC | 6 | $395 | 0.00% | +6 | New |