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 2023
Institutional positions in Arcellx, Inc. as of Mar 31, 2023. 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
- 117
- −7 vs. Q4 2022
- Shares held
- 45.6M
- +3.72M (+8.9%) vs. Q4 2022
- Total value
- $1.40B
- +$106.4M (+8.2%) vs. Q4 2022
- New holders
- 15
- 46 more added
- Sold out
- 22
- 43 more reduced
1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2023
Shares, value and share of portfolio for each institution holding Arcellx, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Pictet Asset Management SA | 1,028,210 | $31.7M | 0.04% | +133,001+14.9% | Added |
| Lord, Abbett & Co. LLC | 1,072,207 | $33.0M | 0.12% | +523,710+95.5% | Added |
| Novo Holdings A/S | 1,225,000 | $37.7M | 2.69% | −259,020−17.5% | Reduced |
| Soleus Capital Management, L.P. | 1,248,147 | $38.5M | 4.76% | +145,700+13.2% | Added |
| Goldman Sachs Group Inc | 1,270,726 | $39.2M | 0.01% | +1,148,609+940.6% | Added |
| Vanguard Group Inc | 1,426,956 | $44.0M | 0.00% | −59,898−4.0% | Reduced |
| Citadel Advisors LLC | 1,514,896 | $46.7M | 0.05% | −180,910−10.7% | Reduced |
| Janus Henderson Group PLC | 1,587,252 | $48.9M | 0.03% | −84,895−5.1% | Reduced |
| Cormorant Asset Management, LP | 1,600,000 | $49.3M | 3.25% | −475,000−22.9% | Reduced |
| Paradigm Biocapital Advisors LP | 1,757,779 | $54.2M | 5.13% | +875,678+99.3% | Added |
| State Street Corp | 1,874,456 | $57.8M | 0.00% | +258,365+16.0% | Added |
| BlackRock Inc. | 2,222,357 | $68.5M | 0.00% | +15,178+0.7% | Added |
| Suvretta Capital Management, LLC | 2,398,321 | $73.9M | 3.57% | +47,988+2.0% | Added |
| FMR LLC | 2,683,090 | $82.7M | 0.01% | +1,389,490+107.4% | Added |
| Perceptive Advisors LLC | 3,841,739 | $118.4M | 3.50% | +1,243,434+47.9% | Added |
| NEA Management Company, LLC | 4,745,262 | $146.2M | 10.11% | 00.0% | Unchanged |
| Sr One Capital Management, LP | 5,500,007 | $169.5M | 63.12% | 00.0% | Unchanged |
| Commodore Capital LP | 0 | $0 | 0.00% | −591,437−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −250,477−100.0% | Sold out |
| TimesSquare Capital Management, LLC | 0 | $0 | 0.00% | −218,910−100.0% | Sold out |
| Pathway Capital Management, LP | 0 | $0 | 0.00% | −189,120−100.0% | Sold out |
| Norges Bank | 0 | $0 | 0.00% | −123,600−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −112,107−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −78,725−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −78,433−100.0% | Sold out |
| Adams Street Partners LLC | 0 | $0 | 0.00% | −38,544−100.0% | Sold out |
| Caxton Corp | 0 | $0 | 0.00% | −36,302−100.0% | Sold out |
| Partners Group Holding AG | 0 | $0 | 0.00% | −35,818−100.0% | Sold out |
| Utah Retirement Systems | 0 | $0 | 0.00% | −25,789−100.0% | Sold out |
| Liberty Mutual Group Asset Management Inc. | 0 | $0 | 0.00% | −25,073−100.0% | Sold out |
| Hamilton Lane Advisors LLC | 0 | $0 | 0.00% | −16,055−100.0% | Sold out |
| Blue Owl Capital Holdings LP | 0 | $0 | 0.00% | −10,630−100.0% | Sold out |
| High Net Worth Advisory Group LLC | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Shell Asset Management Co | 0 | $0 | 0.00% | −2,219−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −577−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −110−100.0% | Sold out |
| McElhenny Sheffield Capital Management, LLC | 0 | $0 | 0.00% | −19−100.0% | Sold out |
| Coppell Advisory Solutions LLC | 0 | $0 | 0.00% | −106−100.0% | Sold out |
| Coppell Advisory Solutions Corp. | 0 | $0 | 0.00% | −106−100.0% | Sold out |
| HealthInvest Partners AB | – | – | – | – | Not filed |