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 |
|---|---|---|---|---|---|
| TFC Financial Management | 1 | $66 | 0.00% | 00.0% | Unchanged |
| Twin Peaks Wealth Advisors, LLC | 1 | $73 | 0.00% | +1 | New |
| TD Capital Management LLC | 5 | $329 | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 6 | $395 | 0.00% | +6 | New |
| Bell Investment Advisors, Inc | 7 | $461 | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 7 | $461 | 0.00% | +7 | New |
| Farther Finance Advisors, LLC | 8 | $527 | 0.00% | −11−57.9% | Reduced |
| Signaturefd, LLC | 9 | $593 | 0.00% | −15−62.5% | Reduced |
| Bare Financial Services, Inc | 10 | $659 | 0.00% | +10 | New |
| Assetmark, Inc | 13 | $856 | 0.00% | +6+85.7% | Added |
| Skopos Labs, Inc. | 15 | $988 | 0.00% | +13+650.0% | Added |
| Wolff Wiese Magana LLC | 17 | $1.12K | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 21 | $1.37K | 0.00% | −113−84.3% | Reduced |
| Fortitude Family Office, LLC | 26 | $1.71K | 0.00% | −12−31.6% | Reduced |
| Parkside Financial Bank & Trust | 29 | $1.91K | 0.00% | +9+45.0% | Added |
| Bessemer Group Inc | 30 | $2.00K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 32 | $2.11K | 0.00% | +32 | New |
| Clearstead Advisors, LLC | 33 | $2.17K | 0.00% | 00.0% | Unchanged |
| MPM Oncology Impact Management LP | 37 | $2.44K | 0.00% | +37 | New |
| J.Safra Asset Management Corp | 40 | $2.63K | 0.00% | 00.0% | Unchanged |
| Aventura Private Wealth, LLC | 45 | $2.96K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 51 | $3.36K | 0.00% | +40+363.6% | Added |
| Parallel Advisors, LLC | 55 | $3.62K | 0.00% | +25+83.3% | Added |
| Larson Financial Group LLC | 57 | $3.75K | 0.00% | +29+103.6% | Added |
| Comerica Bank | 59 | $3.86K | 0.00% | −28−32.2% | Reduced |
| Rothschild Investment LLC | 60 | $3.95K | 0.00% | −25−29.4% | Reduced |
| IFP Advisors, Inc | 0 | $3.95K | 0.00% | 0 | Unchanged |
| Allworth Financial LP | 66 | $4.35K | 0.00% | +38+135.7% | Added |
| Natixis | 80 | $5.27K | 0.00% | +80 | New |
| Advisor Group Holdings, Inc. | 84 | $5.53K | 0.00% | +58+223.1% | Added |
| Sterling Capital Management LLC | 88 | $5.79K | 0.00% | +42+91.3% | Added |
| CWM, LLC | 94 | $6.00K | 0.00% | −56−37.3% | Reduced |
| EverSource Wealth Advisors, LLC | 104 | $6.85K | 0.00% | +86+477.8% | Added |
| Optiver Holding B.V. | 130 | $8.56K | 0.00% | +90+225.0% | Added |
| Turim 21 Investimentos Ltda. | 179 | $11.8K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 198 | $13.0K | 0.00% | +20+11.2% | Added |
| Versant Capital Management, Inc | 243 | $16.0K | 0.00% | +129+113.2% | Added |
| GAMMA Investing LLC | 303 | $20.0K | 0.00% | −191−38.7% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 301 | $20.0K | 0.00% | +301 | New |
| Quest Partners LLC | 369 | $24.3K | 0.00% | +369 | New |
| State of Wyoming | 425 | $28.0K | 0.00% | +425 | New |
| Nisa Investment Advisors, LLC | 525 | $34.6K | 0.00% | −71−11.9% | Reduced |
| Covestor Ltd | 636 | $42.0K | 0.02% | −1,501−70.2% | Reduced |
| Lazard Asset Management LLC | 735 | $48.0K | 0.00% | −4,476−85.9% | Reduced |
| The PNC Financial Services Group, Inc. | 751 | $49.5K | 0.00% | +486+183.4% | Added |
| Allostery Investments LP | 1,000 | $65.8K | 0.84% | −43,000−97.7% | Reduced |
| KBC Group NV | 1,056 | $70.0K | 0.00% | −441−29.5% | Reduced |
| US Bancorp | 1,143 | $75.3K | 0.00% | −54−4.5% | Reduced |
| Avanza Fonder AB | 1,219 | $80.3K | 0.00% | −424−25.8% | Reduced |
| Amalgamated Bank | 1,249 | $82.0K | 0.00% | −259−17.2% | Reduced |
| GF Fund Management Co. Ltd. | 1,384 | $91.1K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,420 | $93.0K | 0.00% | +1,263+804.5% | Added |
| Virtus Investment Advisers, Inc. | 1,414 | $93.1K | 0.03% | −554−28.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 2,129 | $140.2K | 0.00% | +290+15.8% | Added |
| Wexford Capital LP | 2,420 | $159.4K | 0.04% | −10,387−81.1% | Reduced |
| Quarry LP | 2,701 | $177.9K | 0.04% | −199−6.9% | Reduced |
| Bellevue Group AG | 3,000 | $197.6K | 0.00% | 00.0% | Unchanged |
| Integrated Wealth Concepts LLC | 3,140 | $206.8K | 0.00% | −246−7.3% | Reduced |
| Public Employees Retirement Association of Colorado | 3,217 | $212.0K | 0.00% | 00.0% | Unchanged |
| JustInvest LLC | 3,428 | $225.7K | 0.00% | +228+7.1% | Added |
| SBI Securities Co., Ltd. | 3,455 | $227.5K | 0.01% | −141−3.9% | Reduced |
| EntryPoint Capital, LLC | 3,634 | $239.3K | 0.12% | −140−3.7% | Reduced |
| Ameritas Investment Partners, Inc. | 3,738 | $246.1K | 0.01% | −629−14.4% | Reduced |
| Farallon Capital Management, L.L.C. | 4,000 | $263.4K | 0.00% | 00.0% | Unchanged |
| CIBC World Markets Corp | 4,511 | $297.0K | 0.00% | −5,194−53.5% | Reduced |
| Quantessence Capital LLC | 4,750 | $312.8K | 0.09% | +4,750 | New |
| Prudential Financial Inc | 4,900 | $322.7K | 0.00% | +1,615+49.2% | Added |
| SG Americas Securities, LLC | 5,315 | $350.0K | 0.00% | +5,315 | New |
| Legato Capital Management LLC | 5,459 | $359.5K | 0.04% | +5,459 | New |
| Mariner, LLC | 5,469 | $360.1K | 0.00% | −1,596−22.6% | Reduced |
| Tower Research Capital LLC (TRC) | 6,143 | $404.5K | 0.01% | +3,147+105.0% | Added |
| E Fund Management Co., Ltd. | 6,293 | $414.4K | 0.02% | +825+15.1% | Added |
| KLP Kapitalforvaltning AS | 6,600 | $434.6K | 0.00% | 00.0% | Unchanged |
| High Net Worth Advisory Group LLC | 8,000 | $526.8K | 0.14% | −500−5.9% | Reduced |
| Guggenheim Capital LLC | 8,173 | $538.2K | 0.00% | −2,244−21.5% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 8,461 | $557.2K | 0.01% | −1,094−11.4% | Reduced |
| Creative Planning | 8,492 | $559.2K | 0.00% | −6,923−44.9% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 8,545 | $562.7K | 0.00% | +8,545 | New |
| AQR Capital Management LLC | 8,557 | $563.5K | 0.00% | −8,583−50.1% | Reduced |
| Advisors Asset Management, Inc. | 8,799 | $579.4K | 0.01% | −62−0.7% | Reduced |
| Teacher Retirement System of Texas | 8,883 | $584.9K | 0.00% | +151+1.7% | Added |
| Allianz Asset Management GmbH | 9,200 | $605.8K | 0.00% | −800−8.0% | Reduced |
| ProShare Advisors LLC | 9,565 | $629.9K | 0.00% | −2,383−19.9% | Reduced |
| Arizona State Retirement System | 9,578 | $630.7K | 0.00% | +296+3.2% | Added |
| Gotham Asset Management, LLC | 9,842 | $648.1K | 0.00% | −610−5.8% | Reduced |
| LPL Financial LLC | 9,946 | $654.9K | 0.00% | +392+4.1% | Added |
| Martingale Asset Management L P | 10,515 | $692.4K | 0.02% | −890−7.8% | Reduced |
| State Board of Administration of Florida Retirement System | 10,850 | $714.5K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 11,068 | $728.8K | 0.07% | +47+0.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 11,117 | $732.1K | 0.00% | +1,538+16.1% | Added |
| Norges Bank | 11,221 | $738.9K | 0.00% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 11,600 | $764.0K | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 11,772 | $775.2K | 0.00% | −161,287−93.2% | Reduced |
| Jasper Ridge Partners, L.P. | 11,820 | $778.3K | 0.02% | 00.0% | Unchanged |
| Profund Advisors LLC | 11,887 | $782.8K | 0.03% | −506−4.1% | Reduced |
| HighTower Advisors, LLC | 12,542 | $825.9K | 0.00% | −134−1.1% | Reduced |
| Jefferies Financial Group Inc. | 13,000 | $856.0K | 0.01% | +13,000 | New |
| ADAR1 Capital Management, LLC | 13,962 | $919.4K | 0.15% | 00.0% | Unchanged |
| Franklin Resources Inc | 14,020 | $923.2K | 0.00% | −12,987−48.1% | Reduced |
| Jain Global LLC | 14,281 | $940.4K | 0.01% | +14,281 | New |