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 |
|---|---|---|---|---|---|
| NEA Management Company, LLC | 6,750,264 | $112.7M | 5.79% | +312,500+4.9% | Added |
| Sr One Capital Management, LP | 5,500,007 | $99.4M | 48.67% | 00.0% | Unchanged |
| Novo Holdings A/S | 4,016,878 | $72.6M | 3.58% | 00.0% | Unchanged |
| Suvretta Capital Management, LLC | 2,470,559 | $44.7M | 1.70% | +937,500+61.2% | Added |
| Citadel Advisors LLC | 1,769,400 | $31.3M | 0.04% | +450,374+34.1% | Added |
| Cormorant Asset Management, LP | 1,525,000 | $27.6M | 2.14% | +1,525,000 | New |
| AJU IB Investment Co., Ltd. | 1,380,890 | $25.0M | 48.34% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 1,254,809 | $22.7M | 0.02% | +1,254,809 | New |
| Clough Capital Partners L P | 1,165,533 | $21.0M | 2.71% | −44,343−3.7% | Reduced |
| Perceptive Advisors LLC | 1,141,990 | $20.6M | 0.65% | +1,141,990 | New |
| Samsara BioCapital, LLC | 1,063,835 | $19.2M | 5.14% | +64,108+6.4% | Added |
| Soleus Capital Management, L.P. | 909,739 | $16.4M | 2.63% | −80,000−8.1% | Reduced |
| Vanguard Group Inc | 667,091 | $12.1M | 0.00% | +228,369+52.1% | Added |
| FMR LLC | 623,718 | $11.3M | 0.00% | +623,705+4,797,730.8% | Added |
| BlackRock Inc. | 602,511 | $10.9M | 0.00% | +102,406+20.5% | Added |
| Adage Capital Partners GP, L.L.C. | 526,904 | $9.53M | 0.02% | −400,664−43.2% | Reduced |
| Lord, Abbett & Co. LLC | 506,994 | $9.17M | 0.03% | +506,994 | New |
| Balyasny Asset Management LLC | 412,570 | $7.46M | 0.03% | +261,304+172.7% | Added |
| UBS Group AG | 196,657 | $3.56M | 0.00% | −29,604−13.1% | Reduced |
| Geode Capital Management, LLC | 191,308 | $3.46M | 0.00% | +50,558+35.9% | Added |
| Parkman Healthcare Partners LLC | 178,000 | $3.22M | 1.19% | +178,000 | New |
| State Street Corp | 175,817 | $3.18M | 0.00% | +104,812+147.6% | Added |
| Blackstone Group Inc. | 144,373 | $2.61M | 0.01% | +144,373 | New |
| Caas Capital Management LP | 131,083 | $2.37M | 0.32% | −273,412−67.6% | Reduced |
| EAM Investors, LLC | 130,810 | $2.37M | 0.58% | +130,810 | New |
| JPMorgan Chase & Co | 124,606 | $2.25M | 0.00% | +120,340+2,820.9% | Added |
| Monashee Investment Management LLC | 122,129 | $2.21M | 0.80% | +122,129 | New |
| Citigroup Inc | 115,891 | $2.10M | 0.00% | +114,037+6,150.9% | Added |
| Caxton Corp | 101,719 | $1.84M | 4.00% | +12,899+14.5% | Added |
| Islet Management, LP | 100,000 | $1.81M | 0.52% | +100,000 | New |
| EAM Global Investors LLC | 97,230 | $1.76M | 0.43% | +97,230 | New |
| Northern Trust Corp | 96,724 | $1.75M | 0.00% | +10,620+12.3% | Added |
| Millennium Management LLC | 85,501 | $1.55M | 0.00% | −5,714−6.3% | Reduced |
| Morgan Stanley | 77,143 | $1.40M | 0.00% | +76,105+7,331.9% | Added |
| Affinity Asset Advisors, LLC | 75,000 | $1.36M | 0.74% | +75,000 | New |
| Charles Schwab Investment Management Inc | 65,902 | $1.19M | 0.00% | −761−1.1% | Reduced |
| ExodusPoint Capital Management, LP | 64,021 | $1.16M | 0.02% | +64,021 | New |
| Bank of New York Mellon Corp | 55,536 | $1.00M | 0.00% | +31,835+134.3% | Added |
| Vident Investment Advisory, LLC | 39,644 | $717.0K | 0.02% | +39,644 | New |
| Bank of America Corp | 30,618 | $553.0K | 0.00% | +29,706+3,257.2% | Added |
| Cubist Systematic Strategies, LLC | 29,200 | $528.0K | 0.00% | +29,200 | New |
| SEI Investments Co | 26,713 | $483.0K | 0.00% | +26,713 | New |
| Renaissance Technologies LLC | 26,700 | $483.0K | 0.00% | +26,700 | New |
| Walleye Capital LLC | 25,498 | $461.0K | 0.01% | −57,467−69.3% | Reduced |
| Raymond James & Associates | 18,900 | $342.0K | 0.00% | +18,900 | New |
| 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 |
| LMR Partners LLP | 14,143 | $256.0K | 0.01% | −3,260−18.7% | Reduced |
| Nuveen Asset Management, LLC | 12,882 | $233.0K | 0.00% | +171+1.3% | Added |
| HighTower Advisors, LLC | 10,000 | $181.0K | 0.00% | +10,000 | New |
| New York State Common Retirement Fund | 7,084 | $128.0K | 0.00% | +1,984+38.9% | Added |
| Pinz Capital Management, LP | 6,600 | $119.0K | 0.08% | +6,600 | New |
| SG Americas Securities, LLC | 5,681 | $103.0K | 0.00% | +5,681 | New |
| Point72 Hong Kong Ltd | 5,329 | $96.0K | 0.01% | +5,329 | New |
| Royal Bank of Canada | 4,676 | $85.0K | 0.00% | +3,117+199.9% | Added |
| American International Group, Inc. | 4,601 | $83.0K | 0.00% | +85+1.9% | Added |
| Deutsche Bank AG | 4,448 | $80.0K | 0.00% | −630−12.4% | Reduced |
| California State Teachers Retirement System | 4,203 | $76.0K | 0.00% | +345+8.9% | Added |
| STRS Ohio | 2,200 | $39.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,954 | $35.0K | 0.00% | +1,307+202.0% | Added |
| High Net Worth Advisory Group LLC | 1,500 | $27.0K | 0.01% | 00.0% | Unchanged |
| Amalgamated Bank | 1,245 | $23.0K | 0.00% | −984−44.1% | Reduced |
| Legal & General Group Plc | 892 | $16.0K | 0.00% | +49+5.8% | Added |
| Captrust Financial Advisors | 819 | $15.0K | 0.00% | +347+73.5% | Added |
| Ameritas Investment Partners, Inc. | 705 | $12.0K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 493 | $9.00K | 0.00% | −986−66.7% | Reduced |
| Wells Fargo & Company | 119 | $2.00K | 0.00% | −1,862−94.0% | Reduced |
| Credit Suisse AG | 11 | $0 | 0.00% | +11 | New |
| 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 |