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 |
|---|---|---|---|---|---|
| ADAR1 Capital Management, LLC | 13,962 | $915.9K | 0.18% | +10,000+252.4% | Added |
| New York State Common Retirement Fund | 13,323 | $874.0K | 0.00% | −6,920−34.2% | Reduced |
| Wexford Capital LP | 12,807 | $840.1K | 0.22% | −5,187−28.8% | Reduced |
| HighTower Advisors, LLC | 12,676 | $831.5K | 0.00% | +94+0.7% | Added |
| Profund Advisors LLC | 12,393 | $813.0K | 0.04% | −1,615−11.5% | Reduced |
| ProShare Advisors LLC | 11,948 | $783.8K | 0.00% | −2,752−18.7% | Reduced |
| Jasper Ridge Partners, L.P. | 11,820 | $775.4K | 0.02% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 11,600 | $761.0K | 0.00% | 00.0% | Unchanged |
| Martingale Asset Management L P | 11,405 | $748.2K | 0.02% | −8,691−43.2% | Reduced |
| Norges Bank | 11,221 | $736.1K | 0.00% | −16,030−58.8% | Reduced |
| China Universal Asset Management Co., Ltd. | 11,021 | $723.0K | 0.07% | −445−3.9% | Reduced |
| State Board of Administration of Florida Retirement System | 10,850 | $711.8K | 0.00% | 00.0% | Unchanged |
| Gotham Asset Management, LLC | 10,452 | $685.7K | 0.01% | −56−0.5% | Reduced |
| Guggenheim Capital LLC | 10,417 | $683.4K | 0.01% | +2,114+25.5% | Added |
| Allianz Asset Management GmbH | 10,000 | $656.0K | 0.00% | −1,100−9.9% | Reduced |
| CIBC World Markets Corp | 9,705 | $636.6K | 0.01% | +5,672+140.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,579 | $628.4K | 0.00% | −257−2.6% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 9,555 | $626.8K | 0.01% | +373+4.1% | Added |
| LPL Financial LLC | 9,554 | $626.7K | 0.00% | +280+3.0% | Added |
| Arizona State Retirement System | 9,282 | $608.9K | 0.00% | −61−0.7% | Reduced |
| Verition Fund Management LLC | 8,880 | $582.5K | 0.00% | +1,431+19.2% | Added |
| Advisors Asset Management, Inc. | 8,861 | $581.3K | 0.01% | +1,210+15.8% | Added |
| Teacher Retirement System of Texas | 8,732 | $572.8K | 0.00% | −824−8.6% | Reduced |
| High Net Worth Advisory Group LLC | 8,500 | $557.6K | 0.16% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 7,702 | $467.5K | 0.00% | +2,702+54.0% | Added |
| Mariner, LLC | 7,065 | $463.5K | 0.00% | +85+1.2% | Added |
| Two Sigma Investments, LP | 6,900 | $452.6K | 0.00% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 6,600 | $433.0K | 0.00% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 5,487 | $359.9K | 0.00% | +542+11.0% | Added |
| E Fund Management Co., Ltd. | 5,468 | $358.7K | 0.02% | +419+8.3% | Added |
| Lazard Asset Management LLC | 5,211 | $341.0K | 0.00% | +5,202+57,800.0% | Added |
| HSBC Holdings PLC | 5,074 | $310.6K | 0.00% | −1,309−20.5% | Reduced |
| Ameritas Investment Partners, Inc. | 4,367 | $286.5K | 0.01% | 00.0% | Unchanged |
| Farallon Capital Management, L.L.C. | 4,000 | $262.4K | 0.00% | 00.0% | Unchanged |
| Neo Ivy Capital Management | 3,948 | $259.0K | 0.08% | +3,948 | New |
| EntryPoint Capital, LLC | 3,774 | $247.6K | 0.11% | +3,774 | New |
| SBI Securities Co., Ltd. | 3,596 | $235.9K | 0.01% | −527−12.8% | Reduced |
| Principal Financial Group Inc | 3,495 | $229.3K | 0.00% | −184−5.0% | Reduced |
| SIH Partners, LLLP | 3,461 | $227.0K | 0.02% | +3,461 | New |
| Integrated Wealth Concepts LLC | 3,386 | $222.1K | 0.00% | −40−1.2% | Reduced |
| Mercer Global Advisors Inc | 3,302 | $216.6K | 0.00% | −317−8.8% | Reduced |
| Prudential Financial Inc | 3,285 | $215.5K | 0.00% | +165+5.3% | Added |
| Xponance, Inc. | 3,278 | $215.0K | 0.00% | +190+6.2% | Added |
| Public Employees Retirement Association of Colorado | 3,217 | $211.0K | 0.00% | 00.0% | Unchanged |
| JustInvest LLC | 3,200 | $209.9K | 0.00% | +391+13.9% | Added |
| Bellevue Group AG | 3,000 | $196.8K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,996 | $196.5K | 0.01% | −4,988−62.5% | Reduced |
| Quarry LP | 2,900 | $190.2K | 0.05% | +2,900 | New |
| Covestor Ltd | 2,137 | $140.0K | 0.09% | +689+47.6% | Added |
| Virtus Investment Advisers, Inc. | 1,968 | $129.1K | 0.04% | +1,968 | New |
| Mirae Asset Global Investments Co., Ltd. | 1,839 | $125.0K | 0.00% | +37+2.1% | Added |
| Exchange Traded Concepts, LLC | 1,751 | $114.9K | 0.00% | −424−19.5% | Reduced |
| Avanza Fonder AB | 1,643 | $110.5K | 0.00% | −755−31.5% | Reduced |
| Amalgamated Bank | 1,508 | $99.0K | 0.00% | +161+12.0% | Added |
| KBC Group NV | 1,497 | $98.0K | 0.00% | +109+7.9% | Added |
| GF Fund Management Co. Ltd. | 1,384 | $90.8K | 0.00% | +249+21.9% | Added |
| US Bancorp | 1,197 | $78.5K | 0.00% | −4,826−80.1% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 761 | $50.0K | 0.00% | +761 | New |
| Nisa Investment Advisors, LLC | 596 | $39.1K | 0.00% | −1−0.2% | Reduced |
| GAMMA Investing LLC | 494 | $32.4K | 0.00% | +252+104.1% | Added |
| The PNC Financial Services Group, Inc. | 265 | $17.4K | 0.00% | −26−8.9% | Reduced |
| Daiwa Securities Group Inc. | 178 | $12.0K | 0.00% | 00.0% | Unchanged |
| Turim 21 Investimentos Ltda. | 179 | $11.7K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 157 | $11.0K | 0.00% | −726−82.2% | Reduced |
| CWM, LLC | 150 | $10.0K | 0.00% | +60+66.7% | Added |
| Smartleaf Asset Management LLC | 134 | $9.11K | 0.00% | −21−13.5% | Reduced |
| Coldstream Capital Management Inc | 124 | $8.13K | 0.00% | +124 | New |
| Versant Capital Management, Inc | 114 | $7.48K | 0.00% | +114 | New |
| Comerica Bank | 87 | $5.72K | 0.00% | +2+2.4% | Added |
| Rothschild Investment LLC | 85 | $5.58K | 0.00% | +40+88.9% | Added |
| Sterling Capital Management LLC | 46 | $3.02K | 0.00% | +2+4.5% | Added |
| Aventura Private Wealth, LLC | 45 | $2.95K | 0.00% | 00.0% | Unchanged |
| 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 |
| Lindbrook Capital, LLC | 39 | $2.56K | 0.00% | +32+457.1% | Added |
| Fortitude Family Office, LLC | 38 | $2.49K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 33 | $2.17K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 30 | $2.00K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 30 | $1.97K | 0.00% | +24+400.0% | Added |
| Larson Financial Group LLC | 28 | $1.84K | 0.00% | +28 | New |
| Allworth Financial LP | 28 | $1.79K | 0.00% | +28 | New |
| Caitong International Asset Management Co., Ltd | 27 | $1.77K | 0.00% | −212−88.7% | Reduced |
| Advisor Group Holdings, Inc. | 26 | $1.71K | 0.00% | −93−78.2% | Reduced |
| Signaturefd, LLC | 24 | $1.57K | 0.00% | +16+200.0% | Added |
| Parkside Financial Bank & Trust | 20 | $1.31K | 0.00% | +20 | New |
| EverSource Wealth Advisors, LLC | 18 | $1.18K | 0.00% | −3−14.3% | Reduced |
| Farther Finance Advisors, LLC | 19 | $1.15K | 0.00% | +11+137.5% | Added |
| Wolff Wiese Magana LLC | 17 | $1.12K | 0.00% | 00.0% | Unchanged |
| Sierra Ocean, LLC | 16 | $1.05K | 0.00% | +16 | New |
| Stephens Consulting, LLC | 15 | $984 | 0.00% | +15 | New |
| SRS Capital Advisors, Inc. | 11 | $722 | 0.00% | −3−21.4% | Reduced |
| Bell Investment Advisors, Inc | 7 | $460 | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 7 | $459 | 0.00% | −3−30.0% | Reduced |
| TD Capital Management LLC | 5 | $328 | 0.00% | +5 | New |
| Principal Securities, Inc. | 3 | $230 | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 2 | $132 | 0.00% | −5−71.4% | Reduced |
| IFP Advisors, Inc | 0 | $66 | 0.00% | −2−100.0% | Reduced |
| TFC Financial Management | 1 | $66 | 0.00% | 00.0% | Unchanged |
| First Turn Management, LLC | 0 | $0 | 0.00% | −152,356−100.0% | Sold out |
| Integral Health Asset Management, LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |