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 2022
Institutional positions in Arcellx, Inc. as of Jun 30, 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
- 68
- +20 vs. Q1 2022
- Shares held
- 34.9M
- +8.06M (+30.0%) vs. Q1 2022
- Total value
- $621.5M
- +$263.7M (+73.7%) vs. Q1 2022
- New holders
- 23
- 26 more added
- Sold out
- 3
- 13 more reduced
1 institution that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2022
Shares, value and share of portfolio for each institution holding Arcellx, Inc.; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Credit Suisse AG | 11 | $0 | 0.00% | +11 | New |
| Wells Fargo & Company | 119 | $2.00K | 0.00% | −1,862−94.0% | Reduced |
| Barclays PLC | 493 | $9.00K | 0.00% | −986−66.7% | Reduced |
| Ameritas Investment Partners, Inc. | 705 | $12.0K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 819 | $15.0K | 0.00% | +347+73.5% | Added |
| Legal & General Group Plc | 892 | $16.0K | 0.00% | +49+5.8% | Added |
| Amalgamated Bank | 1,245 | $23.0K | 0.00% | −984−44.1% | Reduced |
| High Net Worth Advisory Group LLC | 1,500 | $27.0K | 0.01% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,954 | $35.0K | 0.00% | +1,307+202.0% | Added |
| STRS Ohio | 2,200 | $39.0K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 4,203 | $76.0K | 0.00% | +345+8.9% | Added |
| Deutsche Bank AG | 4,448 | $80.0K | 0.00% | −630−12.4% | Reduced |
| American International Group, Inc. | 4,601 | $83.0K | 0.00% | +85+1.9% | Added |
| Royal Bank of Canada | 4,676 | $85.0K | 0.00% | +3,117+199.9% | Added |
| Point72 Hong Kong Ltd | 5,329 | $96.0K | 0.01% | +5,329 | New |
| SG Americas Securities, LLC | 5,681 | $103.0K | 0.00% | +5,681 | New |
| Pinz Capital Management, LP | 6,600 | $119.0K | 0.08% | +6,600 | New |
| New York State Common Retirement Fund | 7,084 | $128.0K | 0.00% | +1,984+38.9% | Added |
| HighTower Advisors, LLC | 10,000 | $181.0K | 0.00% | +10,000 | New |
| Nuveen Asset Management, LLC | 12,882 | $233.0K | 0.00% | +171+1.3% | Added |
| LMR Partners LLP | 14,143 | $256.0K | 0.01% | −3,260−18.7% | Reduced |
| Susquehanna International Group, LLP | 14,622 | $264.0K | 0.00% | +25+0.2% | Added |
| Rhumbline Advisers | 14,598 | $264.0K | 0.00% | +14,598 | New |
| Raymond James & Associates | 18,900 | $342.0K | 0.00% | +18,900 | New |
| Walleye Capital LLC | 25,498 | $461.0K | 0.01% | −57,467−69.3% | Reduced |
| SEI Investments Co | 26,713 | $483.0K | 0.00% | +26,713 | New |
| Renaissance Technologies LLC | 26,700 | $483.0K | 0.00% | +26,700 | New |
| Cubist Systematic Strategies, LLC | 29,200 | $528.0K | 0.00% | +29,200 | New |
| Bank of America Corp | 30,618 | $553.0K | 0.00% | +29,706+3,257.2% | Added |
| Vident Investment Advisory, LLC | 39,644 | $717.0K | 0.02% | +39,644 | New |
| Bank of New York Mellon Corp | 55,536 | $1.00M | 0.00% | +31,835+134.3% | Added |
| ExodusPoint Capital Management, LP | 64,021 | $1.16M | 0.02% | +64,021 | New |
| Charles Schwab Investment Management Inc | 65,902 | $1.19M | 0.00% | −761−1.1% | Reduced |
| Affinity Asset Advisors, LLC | 75,000 | $1.36M | 0.74% | +75,000 | New |
| Morgan Stanley | 77,143 | $1.40M | 0.00% | +76,105+7,331.9% | Added |
| Millennium Management LLC | 85,501 | $1.55M | 0.00% | −5,714−6.3% | Reduced |
| Northern Trust Corp | 96,724 | $1.75M | 0.00% | +10,620+12.3% | Added |
| EAM Global Investors LLC | 97,230 | $1.76M | 0.43% | +97,230 | New |
| Islet Management, LP | 100,000 | $1.81M | 0.52% | +100,000 | New |
| Caxton Corp | 101,719 | $1.84M | 4.00% | +12,899+14.5% | Added |
| Citigroup Inc | 115,891 | $2.10M | 0.00% | +114,037+6,150.9% | Added |
| Monashee Investment Management LLC | 122,129 | $2.21M | 0.80% | +122,129 | New |
| JPMorgan Chase & Co | 124,606 | $2.25M | 0.00% | +120,340+2,820.9% | Added |
| EAM Investors, LLC | 130,810 | $2.37M | 0.58% | +130,810 | New |
| Caas Capital Management LP | 131,083 | $2.37M | 0.32% | −273,412−67.6% | Reduced |
| Blackstone Group Inc. | 144,373 | $2.61M | 0.01% | +144,373 | New |
| State Street Corp | 175,817 | $3.18M | 0.00% | +104,812+147.6% | Added |
| Parkman Healthcare Partners LLC | 178,000 | $3.22M | 1.19% | +178,000 | New |
| Geode Capital Management, LLC | 191,308 | $3.46M | 0.00% | +50,558+35.9% | Added |
| UBS Group AG | 196,657 | $3.56M | 0.00% | −29,604−13.1% | Reduced |
| Balyasny Asset Management LLC | 412,570 | $7.46M | 0.03% | +261,304+172.7% | Added |
| Lord, Abbett & Co. LLC | 506,994 | $9.17M | 0.03% | +506,994 | New |
| Adage Capital Partners GP, L.L.C. | 526,904 | $9.53M | 0.02% | −400,664−43.2% | Reduced |
| BlackRock Inc. | 602,511 | $10.9M | 0.00% | +102,406+20.5% | Added |
| FMR LLC | 623,718 | $11.3M | 0.00% | +623,705+4,797,730.8% | Added |
| Vanguard Group Inc | 667,091 | $12.1M | 0.00% | +228,369+52.1% | Added |
| Soleus Capital Management, L.P. | 909,739 | $16.4M | 2.63% | −80,000−8.1% | Reduced |
| Samsara BioCapital, LLC | 1,063,835 | $19.2M | 5.14% | +64,108+6.4% | Added |
| Perceptive Advisors LLC | 1,141,990 | $20.6M | 0.65% | +1,141,990 | New |
| Clough Capital Partners L P | 1,165,533 | $21.0M | 2.71% | −44,343−3.7% | Reduced |
| Janus Henderson Group PLC | 1,254,809 | $22.7M | 0.02% | +1,254,809 | New |
| AJU IB Investment Co., Ltd. | 1,380,890 | $25.0M | 48.34% | 00.0% | Unchanged |
| Cormorant Asset Management, LP | 1,525,000 | $27.6M | 2.14% | +1,525,000 | New |
| Citadel Advisors LLC | 1,769,400 | $31.3M | 0.04% | +450,374+34.1% | Added |
| Suvretta Capital Management, LLC | 2,470,559 | $44.7M | 1.70% | +937,500+61.2% | Added |
| Novo Holdings A/S | 4,016,878 | $72.6M | 3.58% | 00.0% | Unchanged |
| Sr One Capital Management, LP | 5,500,007 | $99.4M | 48.67% | 00.0% | Unchanged |
| NEA Management Company, LLC | 6,750,264 | $112.7M | 5.79% | +312,500+4.9% | Added |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −58,059−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −11,348−100.0% | Sold out |
| Amalgamated Financial Corp. | – | – | – | – | Not filed |