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