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 2026
Institutional positions in Arcellx, Inc. as of Jun 30, 2026. 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
ACLX is no longer listed, and 13F filings after Q1 2026 list far fewer holders. See Q1 2026
- Institutional holders
- 2
- −234 vs. Q1 2026
- Shares held
- 30.0K
- −56.8M (−99.9%) vs. Q1 2026
- Total value
- $3.43M
- −$6.49B (−99.9%) vs. Q1 2026
- New holders
- 0
- 1 more added
- Sold out
- 234
- 0 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Arcellx, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Optiver Holding B.V. | 0 | $0 | 0.00% | −226−100.0% | Sold out |
| Covestor Ltd | 0 | $0 | 0.00% | −151−100.0% | Sold out |
| Parallel Advisors, LLC | 0 | $0 | 0.00% | −133−100.0% | Sold out |
| E Fund Management (Hong Kong) Co., Ltd. | 0 | $0 | 0.00% | −126−100.0% | Sold out |
| Keating Financial Advisory Services, Inc. | 0 | $0 | 0.00% | −107−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −80−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −78−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −59−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −60−100.0% | Sold out |
| SMA Capital LLC | 0 | $0 | 0.00% | −53−100.0% | Sold out |
| Aventura Private Wealth, LLC | 0 | $0 | 0.00% | −45−100.0% | Sold out |
| Farther Finance Advisors, LLC | 0 | $0 | 0.00% | −44−100.0% | Sold out |
| AdvisorNet Financial, Inc | 0 | $0 | 0.00% | −42−100.0% | Sold out |
| Bare Financial Services, Inc | 0 | $0 | 0.00% | −39−100.0% | Sold out |
| Huntington National Bank | 0 | $0 | 0.00% | −32−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −31−100.0% | Sold out |
| First Horizon Corp | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| Parkside Financial Bank & Trust | 0 | $0 | 0.00% | −29−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| Assetmark, Inc | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| TD Private Client Wealth LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Cornerstone Financial Management LLC | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Basecamp Wealth Advisors LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Bell Investment Advisors, Inc | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Rothschild Investment LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Hughes Financial Services, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| LRI Investments, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Stone House Investment Management, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Ronald Blue Trust, Inc. | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| TFC Financial Management | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Capital Advisors, Ltd. LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| CIBRA Capital Ltd | – | – | – | – | Not filed |
| BCK Capital Management LP | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |