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, Q3 2022
Institutional positions in Arcellx, Inc. as of Sep 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
- 74
- +6 vs. Q2 2022
- Shares held
- 41.7M
- +6.72M (+19.2%) vs. Q2 2022
- Total value
- $781.8M
- +$160.3M (+25.8%) vs. Q2 2022
- New holders
- 18
- 35 more added
- Sold out
- 12
- 16 more reduced
Compare with Q2 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, Q3 2022
Shares, value and share of portfolio for each institution holding Arcellx, Inc.; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nisa Investment Advisors, LLC | 28 | $1.00K | 0.00% | +28 | New |
| Credit Suisse AG | 165 | $3.00K | 0.00% | +154+1,400.0% | Added |
| Royal Bank of Canada | 396 | $8.00K | 0.00% | −4,280−91.5% | Reduced |
| Metropolitan Life Insurance Co | 1,910 | $35.9K | 0.00% | +1,910 | New |
| Wells Fargo & Company | 2,042 | $38.0K | 0.00% | +1,923+1,616.0% | Added |
| Ameritas Investment Partners, Inc. | 2,319 | $43.0K | 0.00% | +1,614+228.9% | Added |
| High Net Worth Advisory Group LLC | 2,500 | $47.0K | 0.02% | +1,000+66.7% | Added |
| Legal & General Group Plc | 2,759 | $52.0K | 0.00% | +1,867+209.3% | Added |
| Tower Research Capital LLC (TRC) | 3,589 | $67.0K | 0.00% | +1,635+83.7% | Added |
| Amalgamated Bank | 3,820 | $72.0K | 0.00% | +2,575+206.8% | Added |
| Simplex Trading, LLC | 3,849 | $72.0K | 0.00% | +3,849 | New |
| STRS Ohio | 6,800 | $127.0K | 0.00% | +4,600+209.1% | Added |
| MYDA Advisors LLC | 10,000 | $188.0K | 0.11% | +10,000 | New |
| Schonfeld Strategic Advisors LLC | 10,531 | $197.0K | 0.00% | +10,531 | New |
| Prelude Capital Management, LLC | 11,300 | $212.0K | 0.01% | +11,300 | New |
| HighTower Advisors, LLC | 11,500 | $216.0K | 0.00% | +1,500+15.0% | Added |
| California State Teachers Retirement System | 11,673 | $219.0K | 0.00% | +7,470+177.7% | Added |
| Deutsche Bank AG | 12,387 | $233.0K | 0.00% | +7,939+178.5% | Added |
| American International Group, Inc. | 14,040 | $264.0K | 0.00% | +9,439+205.2% | Added |
| MetLife Investment Management | 16,846 | $316.2K | 0.00% | +16,846 | New |
| New York State Common Retirement Fund | 17,584 | $330.0K | 0.00% | +10,500+148.2% | Added |
| SG Americas Securities, LLC | 19,117 | $359.0K | 0.01% | +13,436+236.5% | Added |
| Putnam Investments LLC | 19,413 | $364.0K | 0.00% | +19,413 | New |
| Millennium Management LLC | 21,238 | $399.0K | 0.00% | −64,263−75.2% | Reduced |
| Alliancebernstein L.P. | 21,500 | $404.0K | 0.00% | +21,500 | New |
| SEI Investments Co | 25,902 | $486.0K | 0.00% | −811−3.0% | Reduced |
| Candriam Luxembourg S.C.A. | 33,223 | $624.0K | 0.00% | +33,223 | New |
| Susquehanna International Group, LLP | 33,489 | $629.0K | 0.00% | +18,867+129.0% | Added |
| Vident Investment Advisory, LLC | 35,807 | $672.0K | 0.02% | −3,837−9.7% | Reduced |
| Rhumbline Advisers | 37,923 | $712.0K | 0.00% | +23,325+159.8% | Added |
| Tri Locum Partners LP | 42,826 | $804.0K | 0.23% | +42,826 | New |
| Voya Investment Management LLC | 54,621 | $1.03M | 0.00% | +54,621 | New |
| Barclays PLC | 59,037 | $1.11M | 0.00% | +58,544+11,875.1% | Added |
| Walleye Capital LLC | 73,003 | $1.37M | 0.03% | +47,505+186.3% | Added |
| Caxton Corp | 76,186 | $1.43M | 3.42% | −25,533−25.1% | Reduced |
| EAM Global Investors LLC | 78,433 | $1.47M | 0.39% | −18,797−19.3% | Reduced |
| Citigroup Inc | 84,262 | $1.58M | 0.00% | −31,629−27.3% | Reduced |
| Goldman Sachs Group Inc | 88,179 | $1.66M | 0.00% | +88,179 | New |
| Rafferty Asset Management, LLC | 92,453 | $1.74M | 0.02% | +92,453 | New |
| Bank of America Corp | 94,578 | $1.77M | 0.00% | +63,960+208.9% | Added |
| Morgan Stanley | 96,705 | $1.81M | 0.00% | +19,562+25.4% | Added |
| Nuveen Asset Management, LLC | 104,118 | $1.95M | 0.00% | +91,236+708.2% | Added |
| Altium Capital Management LP | 115,000 | $2.16M | 0.81% | +115,000 | New |
| Bank of New York Mellon Corp | 120,637 | $2.26M | 0.00% | +65,101+117.2% | Added |
| EAM Investors, LLC | 129,286 | $2.43M | 0.53% | −1,524−1.2% | Reduced |
| Point72 Asset Management, L.P. | 132,667 | $2.49M | 0.01% | +132,667 | New |
| Parkman Healthcare Partners LLC | 139,875 | $2.63M | 0.75% | −38,125−21.4% | Reduced |
| JPMorgan Chase & Co | 153,018 | $2.87M | 0.00% | +28,412+22.8% | Added |
| UBS Group AG | 186,677 | $3.50M | 0.00% | −9,980−5.1% | Reduced |
| Charles Schwab Investment Management Inc | 202,839 | $3.81M | 0.00% | +136,937+207.8% | Added |
| Affinity Asset Advisors, LLC | 210,138 | $3.94M | 1.82% | +135,138+180.2% | Added |
| Northern Trust Corp | 255,356 | $4.79M | 0.00% | +158,632+164.0% | Added |
| Sphera Funds Management Ltd. | 334,080 | $6.27M | 1.11% | +334,080 | New |
| Balyasny Asset Management LLC | 362,758 | $6.81M | 0.03% | −49,812−12.1% | Reduced |
| TimesSquare Capital Management, LLC | 381,010 | $7.15M | 0.10% | +381,010 | New |
| Geode Capital Management, LLC | 524,593 | $9.85M | 0.00% | +333,285+174.2% | Added |
| Adage Capital Partners GP, L.L.C. | 526,904 | $9.89M | 0.02% | 00.0% | Unchanged |
| Lord, Abbett & Co. LLC | 642,156 | $12.1M | 0.04% | +135,162+26.7% | Added |
| Clough Capital Partners L P | 753,833 | $14.1M | 2.11% | −411,700−35.3% | Reduced |
| FMR LLC | 788,668 | $14.8M | 0.00% | +164,950+26.4% | Added |
| Samsara BioCapital, LLC | 1,063,835 | $20.0M | 4.66% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 1,162,109 | $21.8M | 0.02% | −92,700−7.4% | Reduced |
| Vanguard Group Inc | 1,235,387 | $23.2M | 0.00% | +568,296+85.2% | Added |
| Soleus Capital Management, L.P. | 1,239,913 | $23.3M | 3.16% | +330,174+36.3% | Added |
| AJU IB Investment Co., Ltd. | 1,380,890 | $25.9M | 44.37% | 00.0% | Unchanged |
| State Street Corp | 1,514,025 | $28.4M | 0.00% | +1,338,208+761.1% | Added |
| Citadel Advisors LLC | 1,745,970 | $32.8M | 0.04% | −23,430−1.3% | Reduced |
| BlackRock Inc. | 1,806,103 | $33.9M | 0.00% | +1,203,592+199.8% | Added |
| Suvretta Capital Management, LLC | 2,249,533 | $42.2M | 1.78% | −221,026−8.9% | Reduced |
| Perceptive Advisors LLC | 2,465,405 | $46.3M | 1.35% | +1,323,415+115.9% | Added |
| Cormorant Asset Management, LP | 3,049,173 | $57.2M | 4.03% | +1,524,173+99.9% | Added |
| Novo Holdings A/S | 3,191,878 | $59.9M | 2.88% | −825,000−20.5% | Reduced |
| Sr One Capital Management, LP | 5,500,007 | $103.2M | 47.19% | 00.0% | Unchanged |
| NEA Management Company, LLC | 6,750,264 | $126.7M | 6.32% | 00.0% | Unchanged |
| Blackstone Group Inc. | 0 | $0 | 0.00% | −144,373−100.0% | Sold out |
| Caas Capital Management LP | 0 | $0 | 0.00% | −131,083−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −122,129−100.0% | Sold out |
| Islet Management, LP | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −64,021−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −29,200−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −26,700−100.0% | Sold out |
| Raymond James & Associates | 0 | $0 | 0.00% | −18,900−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −14,143−100.0% | Sold out |
| Pinz Capital Management, LP | 0 | $0 | 0.00% | −6,600−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −5,329−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −819−100.0% | Sold out |