SCHEDULE: FMR LLC Discloses 6.2% Stake in ARCELLX INC
Beneficial Ownership Report
FMR LLC and Abigail P. Johnson have filed an amendment to disclose a 6.2% beneficial ownership stake in ARCELLX INC as of December 31, 2025.
Summary
- FMR LLC and Abigail P. Johnson jointly reported beneficial ownership of 3,563,728.46 shares of ARCELLX INC common stock.
- This represents 6.2% of the total outstanding common stock of ARCELLX INC.
- FMR LLC holds sole voting power over 3,561,162.00 shares and sole dispositive power over 3,563,728.46 shares.
- Abigail P. Johnson, as a control person of FMR LLC, is deemed to beneficially own the same aggregate amount of shares with sole dispositive power.
- The filing is an Amendment No. 6 to a Schedule 13G, indicating an update to a previously disclosed position.
- The beneficial ownership is reported as of December 31, 2025.
Sentiment
Score: 5
Explanation: StockSavvy.ai views this filing as neutral. It is a routine regulatory disclosure of beneficial ownership by a major institutional investor and does not inherently convey positive or negative sentiment regarding the company's operational performance or future prospects.
Future Outlook
NA
Industry Context
StockSavvy.ai notes that the disclosure of a 6.2% stake by FMR LLC (Fidelity) in ARCELLX INC confirms a significant institutional investment in the company. Such substantial holdings by major asset managers are common for publicly traded companies and often signal a degree of confidence in the company's long-term prospects, particularly in growth-oriented sectors like biotechnology where ARCELLX operates.
Comparison to Industry Standards
- A 6.2% beneficial ownership stake by a major institutional investor like FMR LLC is considered a significant position, often placing the investor among the top shareholders.
- This level of ownership is typical for large asset management firms that take meaningful, but non-controlling, positions in public companies as part of diversified investment strategies.
Stakeholder Impact
- Shareholders: Provides transparency regarding significant institutional ownership, which can influence market perception and liquidity.
Key Dates
| Date | Description |
|---|---|
| January 3, 2023 | Effective date of Power of Attorney for FMR LLC and its direct and indirect subsidiaries. |
| January 26, 2023 | Effective date of Power of Attorney for Abigail P. Johnson. |
| December 31, 2025 | Date of event which requires filing of this statement, representing the snapshot date for beneficial ownership. |
| February 4, 2026 | Date of filing and signature date for the Schedule 13G Amendment No. 6. |
Keywords
ARCELX INC, FMR LLC, Abigail P. Johnson, Schedule 13G, Beneficial Ownership, Institutional Investor, Common Stock, SEC Filing, Investment Management
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