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 2025
Institutional positions in Arcellx, Inc. as of Mar 31, 2025. 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
- 198
- −12 vs. Q4 2024
- Shares held
- 61.6M
- +2.52M (+4.3%) vs. Q4 2024
- Total value
- $4.04B
- −$486.0M (−10.7%) vs. Q4 2024
- New holders
- 25
- 74 more added
- Sold out
- 37
- 70 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Arcellx, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| IFP Advisors, Inc | 0 | $66 | 0.00% | −2−100.0% | Reduced |
| TFC Financial Management | 1 | $66 | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 2 | $132 | 0.00% | −5−71.4% | Reduced |
| Principal Securities, Inc. | 3 | $230 | 0.00% | 00.0% | Unchanged |
| TD Capital Management LLC | 5 | $328 | 0.00% | +5 | New |
| Assetmark, Inc | 7 | $459 | 0.00% | −3−30.0% | Reduced |
| Bell Investment Advisors, Inc | 7 | $460 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 11 | $722 | 0.00% | −3−21.4% | Reduced |
| Stephens Consulting, LLC | 15 | $984 | 0.00% | +15 | New |
| Sierra Ocean, LLC | 16 | $1.05K | 0.00% | +16 | New |
| Wolff Wiese Magana LLC | 17 | $1.12K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 19 | $1.15K | 0.00% | +11+137.5% | Added |
| EverSource Wealth Advisors, LLC | 18 | $1.18K | 0.00% | −3−14.3% | Reduced |
| Parkside Financial Bank & Trust | 20 | $1.31K | 0.00% | +20 | New |
| Signaturefd, LLC | 24 | $1.57K | 0.00% | +16+200.0% | Added |
| Advisor Group Holdings, Inc. | 26 | $1.71K | 0.00% | −93−78.2% | Reduced |
| Caitong International Asset Management Co., Ltd | 27 | $1.77K | 0.00% | −212−88.7% | Reduced |
| Allworth Financial LP | 28 | $1.79K | 0.00% | +28 | New |
| Larson Financial Group LLC | 28 | $1.84K | 0.00% | +28 | New |
| Parallel Advisors, LLC | 30 | $1.97K | 0.00% | +24+400.0% | Added |
| Bessemer Group Inc | 30 | $2.00K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 33 | $2.17K | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 38 | $2.49K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 39 | $2.56K | 0.00% | +32+457.1% | Added |
| J.Safra Asset Management Corp | 40 | $2.62K | 0.00% | +35+700.0% | Added |
| Optiver Holding B.V. | 40 | $2.62K | 0.00% | +40 | New |
| Aventura Private Wealth, LLC | 45 | $2.95K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 46 | $3.02K | 0.00% | +2+4.5% | Added |
| Rothschild Investment LLC | 85 | $5.58K | 0.00% | +40+88.9% | Added |
| Comerica Bank | 87 | $5.72K | 0.00% | +2+2.4% | Added |
| Versant Capital Management, Inc | 114 | $7.48K | 0.00% | +114 | New |
| Coldstream Capital Management Inc | 124 | $8.13K | 0.00% | +124 | New |
| Smartleaf Asset Management LLC | 134 | $9.11K | 0.00% | −21−13.5% | Reduced |
| CWM, LLC | 150 | $10.0K | 0.00% | +60+66.7% | Added |
| Royal Bank of Canada | 157 | $11.0K | 0.00% | −726−82.2% | Reduced |
| Turim 21 Investimentos Ltda. | 179 | $11.7K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 178 | $12.0K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 265 | $17.4K | 0.00% | −26−8.9% | Reduced |
| GAMMA Investing LLC | 494 | $32.4K | 0.00% | +252+104.1% | Added |
| Nisa Investment Advisors, LLC | 596 | $39.1K | 0.00% | −1−0.2% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 761 | $50.0K | 0.00% | +761 | New |
| US Bancorp | 1,197 | $78.5K | 0.00% | −4,826−80.1% | Reduced |
| GF Fund Management Co. Ltd. | 1,384 | $90.8K | 0.00% | +249+21.9% | Added |
| KBC Group NV | 1,497 | $98.0K | 0.00% | +109+7.9% | Added |
| Amalgamated Bank | 1,508 | $99.0K | 0.00% | +161+12.0% | Added |
| Avanza Fonder AB | 1,643 | $110.5K | 0.00% | −755−31.5% | Reduced |
| Exchange Traded Concepts, LLC | 1,751 | $114.9K | 0.00% | −424−19.5% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 1,839 | $125.0K | 0.00% | +37+2.1% | Added |
| Virtus Investment Advisers, Inc. | 1,968 | $129.1K | 0.04% | +1,968 | New |
| Covestor Ltd | 2,137 | $140.0K | 0.09% | +689+47.6% | Added |
| Quarry LP | 2,900 | $190.2K | 0.05% | +2,900 | New |
| Tower Research Capital LLC (TRC) | 2,996 | $196.5K | 0.01% | −4,988−62.5% | Reduced |
| Bellevue Group AG | 3,000 | $196.8K | 0.00% | 00.0% | Unchanged |
| JustInvest LLC | 3,200 | $209.9K | 0.00% | +391+13.9% | Added |
| Public Employees Retirement Association of Colorado | 3,217 | $211.0K | 0.00% | 00.0% | Unchanged |
| Xponance, Inc. | 3,278 | $215.0K | 0.00% | +190+6.2% | Added |
| Prudential Financial Inc | 3,285 | $215.5K | 0.00% | +165+5.3% | Added |
| Mercer Global Advisors Inc | 3,302 | $216.6K | 0.00% | −317−8.8% | Reduced |
| Integrated Wealth Concepts LLC | 3,386 | $222.1K | 0.00% | −40−1.2% | Reduced |
| SIH Partners, LLLP | 3,461 | $227.0K | 0.02% | +3,461 | New |
| Principal Financial Group Inc | 3,495 | $229.3K | 0.00% | −184−5.0% | Reduced |
| SBI Securities Co., Ltd. | 3,596 | $235.9K | 0.01% | −527−12.8% | Reduced |
| EntryPoint Capital, LLC | 3,774 | $247.6K | 0.11% | +3,774 | New |
| Neo Ivy Capital Management | 3,948 | $259.0K | 0.08% | +3,948 | New |
| Farallon Capital Management, L.L.C. | 4,000 | $262.4K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 4,367 | $286.5K | 0.01% | 00.0% | Unchanged |
| HSBC Holdings PLC | 5,074 | $310.6K | 0.00% | −1,309−20.5% | Reduced |
| Lazard Asset Management LLC | 5,211 | $341.0K | 0.00% | +5,202+57,800.0% | Added |
| E Fund Management Co., Ltd. | 5,468 | $358.7K | 0.02% | +419+8.3% | Added |
| Pictet Asset Management Holding SA | 5,487 | $359.9K | 0.00% | +542+11.0% | Added |
| KLP Kapitalforvaltning AS | 6,600 | $433.0K | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 6,900 | $452.6K | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 7,065 | $463.5K | 0.00% | +85+1.2% | Added |
| Allspring Global Investments Holdings, LLC | 7,702 | $467.5K | 0.00% | +2,702+54.0% | Added |
| High Net Worth Advisory Group LLC | 8,500 | $557.6K | 0.16% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 8,732 | $572.8K | 0.00% | −824−8.6% | Reduced |
| Advisors Asset Management, Inc. | 8,861 | $581.3K | 0.01% | +1,210+15.8% | Added |
| Verition Fund Management LLC | 8,880 | $582.5K | 0.00% | +1,431+19.2% | Added |
| Arizona State Retirement System | 9,282 | $608.9K | 0.00% | −61−0.7% | Reduced |
| LPL Financial LLC | 9,554 | $626.7K | 0.00% | +280+3.0% | Added |
| Police & Firemen's Retirement System of New Jersey | 9,555 | $626.8K | 0.01% | +373+4.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,579 | $628.4K | 0.00% | −257−2.6% | Reduced |
| CIBC World Markets Corp | 9,705 | $636.6K | 0.01% | +5,672+140.6% | Added |
| Allianz Asset Management GmbH | 10,000 | $656.0K | 0.00% | −1,100−9.9% | Reduced |
| Guggenheim Capital LLC | 10,417 | $683.4K | 0.01% | +2,114+25.5% | Added |
| Gotham Asset Management, LLC | 10,452 | $685.7K | 0.01% | −56−0.5% | Reduced |
| State Board of Administration of Florida Retirement System | 10,850 | $711.8K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 11,021 | $723.0K | 0.07% | −445−3.9% | Reduced |
| Norges Bank | 11,221 | $736.1K | 0.00% | −16,030−58.8% | Reduced |
| Martingale Asset Management L P | 11,405 | $748.2K | 0.02% | −8,691−43.2% | Reduced |
| Handelsbanken Fonder AB | 11,600 | $761.0K | 0.00% | 00.0% | Unchanged |
| Jasper Ridge Partners, L.P. | 11,820 | $775.4K | 0.02% | 00.0% | Unchanged |
| ProShare Advisors LLC | 11,948 | $783.8K | 0.00% | −2,752−18.7% | Reduced |
| Profund Advisors LLC | 12,393 | $813.0K | 0.04% | −1,615−11.5% | Reduced |
| HighTower Advisors, LLC | 12,676 | $831.5K | 0.00% | +94+0.7% | Added |
| Wexford Capital LP | 12,807 | $840.1K | 0.22% | −5,187−28.8% | Reduced |
| New York State Common Retirement Fund | 13,323 | $874.0K | 0.00% | −6,920−34.2% | Reduced |
| ADAR1 Capital Management, LLC | 13,962 | $915.9K | 0.18% | +10,000+252.4% | Added |
| STRS Ohio | 14,300 | $938.1K | 0.00% | 00.0% | Unchanged |
| Knott David M Jr | 15,000 | $984.0K | 0.46% | +15,000 | New |