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 2022
Institutional positions in Arcellx, Inc. as of Mar 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
- 49
- +49 vs. Q4 2021
- Shares held
- 26.9M
- +26.9M vs. Q4 2021
- Total value
- $357.9M
- +$357.9M vs. Q4 2021
- New holders
- 49
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q4 2021: 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 2022
Shares, value and share of portfolio for each institution holding Arcellx, Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Sr One Capital Management, LP | 5,500,007 | $77.1M | 39.48% | +5,500,007 | New |
| NEA Management Company, LLC | 6,437,764 | $72.2M | 2.33% | +6,437,764 | New |
| Novo Holdings A/S | 4,016,878 | $56.3M | 2.97% | +4,016,878 | New |
| Suvretta Capital Management, LLC | 1,533,059 | $21.5M | 0.66% | +1,533,059 | New |
| AJU IB Investment Co., Ltd. | 1,380,890 | $19.4M | 29.89% | +1,380,890 | New |
| Citadel Advisors LLC | 1,319,026 | $18.0M | 0.02% | +1,319,026 | New |
| Clough Capital Partners L P | 1,209,876 | $16.6M | 1.27% | +1,209,876 | New |
| Samsara BioCapital, LLC | 999,727 | $14.0M | 3.54% | +999,727 | New |
| Soleus Capital Management, L.P. | 989,739 | $13.9M | 2.14% | +989,739 | New |
| Adage Capital Partners GP, L.L.C. | 927,568 | $13.0M | 0.02% | +927,568 | New |
| BlackRock Inc. | 500,105 | $7.01M | 0.00% | +500,105 | New |
| Vanguard Group Inc | 438,722 | $6.15M | 0.00% | +438,722 | New |
| Caas Capital Management LP | 404,495 | $5.67M | 1.00% | +404,495 | New |
| UBS Group AG | 226,261 | $3.17M | 0.00% | +226,261 | New |
| Balyasny Asset Management LLC | 151,266 | $2.12M | 0.01% | +151,266 | New |
| Geode Capital Management, LLC | 140,750 | $1.97M | 0.00% | +140,750 | New |
| Millennium Management LLC | 91,215 | $1.28M | 0.00% | +91,215 | New |
| Caxton Corp | 88,820 | $1.25M | 1.55% | +88,820 | New |
| Northern Trust Corp | 86,104 | $1.21M | 0.00% | +86,104 | New |
| Walleye Capital LLC | 82,965 | $1.16M | 0.03% | +82,965 | New |
| State Street Corp | 71,005 | $995.0K | 0.00% | +71,005 | New |
| Charles Schwab Investment Management Inc | 66,663 | $935.0K | 0.00% | +66,663 | New |
| Goldman Sachs Group Inc | 58,059 | $814.0K | 0.00% | +58,059 | New |
| Squarepoint Ops LLC | 30,000 | $421.0K | 0.00% | +30,000 | New |
| Bank of New York Mellon Corp | 23,701 | $332.0K | 0.00% | +23,701 | New |
| LMR Partners LLP | 17,403 | $244.0K | 0.00% | +17,403 | New |
| Susquehanna International Group, LLP | 14,597 | $205.0K | 0.00% | +14,597 | New |
| Nuveen Asset Management, LLC | 12,711 | $178.0K | 0.00% | +12,711 | New |
| Centiva Capital, LP | 11,348 | $159.0K | 0.01% | +11,348 | New |
| New York State Common Retirement Fund | 5,100 | $72.0K | 0.00% | +5,100 | New |
| Deutsche Bank AG | 5,078 | $71.0K | 0.00% | +5,078 | New |
| American International Group, Inc. | 4,516 | $63.0K | 0.00% | +4,516 | New |
| JPMorgan Chase & Co | 4,266 | $60.0K | 0.00% | +4,266 | New |
| California State Teachers Retirement System | 3,858 | $54.0K | 0.00% | +3,858 | New |
| Amalgamated Bank | 2,229 | $31.0K | 0.00% | +2,229 | New |
| Amalgamated Financial Corp. | 2,229 | $31.0K | 0.00% | +2,229 | New |
| STRS Ohio | 2,200 | $30.0K | 0.00% | +2,200 | New |
| Wells Fargo & Company | 1,981 | $28.0K | 0.00% | +1,981 | New |
| Citigroup Inc | 1,854 | $26.0K | 0.00% | +1,854 | New |
| Royal Bank of Canada | 1,559 | $22.0K | 0.00% | +1,559 | New |
| High Net Worth Advisory Group LLC | 1,500 | $21.0K | 0.01% | +1,500 | New |
| Barclays PLC | 1,479 | $20.0K | 0.00% | +1,479 | New |
| Morgan Stanley | 1,038 | $14.0K | 0.00% | +1,038 | New |
| Bank of America Corp | 912 | $13.0K | 0.00% | +912 | New |
| Legal & General Group Plc | 843 | $12.0K | 0.00% | +843 | New |
| Ameritas Investment Partners, Inc. | 705 | $10.0K | 0.00% | +705 | New |
| Tower Research Capital LLC (TRC) | 647 | $9.00K | 0.00% | +647 | New |
| Captrust Financial Advisors | 472 | $7.00K | 0.00% | +472 | New |
| FMR LLC | 13 | $0 | 0.00% | +13 | New |