Arcellx's Novel D-Domain Binder Accepted for Presentation at 2026 Tandem Meetings
- Preclinical Study Results: Arcellx's D-Domain binder showed no tonic signaling or off-target activity in preclinical assessments, supporting its unique target-specific binding profile and potentially positioning anito-cel as a best-in-class safety option, enhancing its competitiveness in multiple myeloma treatment.
- Dual VHH Binder Risks: Specific off-target activity against Claudin-9 was observed with the dual VHH binder compared to cilta-cel, indicating a potential increase in off-tumor toxicities, thereby highlighting the safety advantages of the D-Domain binder.
- Cell Activation and Cytokine Release: CAR T cell activation and cytokine release were observed with dual VHH and scFv binders in the absence of BCMA antigen, while the D-Domain did not exhibit tonic signaling, further validating its safety and specificity.
- Conference Presentation Details: The findings will be presented on February 5, 2026, at the Tandem Meetings in Salt Lake City, showcasing the D-Domain binder's potential for anti-tumor activity while minimizing tonic signaling and off-target reactivity risks.
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- Preclinical Study Results: Arcellx's D-Domain binder showed no tonic signaling or off-target activity in preclinical assessments, supporting its unique target-specific binding profile and potentially positioning anito-cel as a best-in-class safety option, enhancing its competitiveness in multiple myeloma treatment.
- Dual VHH Binder Risks: Specific off-target activity against Claudin-9 was observed with the dual VHH binder compared to cilta-cel, indicating a potential increase in off-tumor toxicities, thereby highlighting the safety advantages of the D-Domain binder.
- Cell Activation and Cytokine Release: CAR T cell activation and cytokine release were observed with dual VHH and scFv binders in the absence of BCMA antigen, while the D-Domain did not exhibit tonic signaling, further validating its safety and specificity.
- Conference Presentation Details: The findings will be presented on February 5, 2026, at the Tandem Meetings in Salt Lake City, showcasing the D-Domain binder's potential for anti-tumor activity while minimizing tonic signaling and off-target reactivity risks.
- Transaction Overview: On January 20, 2026, Director David Charles Lubner executed the sale of 6,000 shares of Arcellx common stock for approximately $450,000, indicating a significant reduction in his ownership stake.
- Ownership Stake Reduction: This transaction reduced Lubner's direct holdings by 21.69%, from 27,659 shares to 21,659 shares, while his 59,405 options remained unchanged, suggesting a potential shift in confidence regarding the company's future.
- Market Performance Insight: As of January 20, 2026, Arcellx's stock price stood at $68.31 with a market capitalization of $3.95 billion; despite a 15% decline in stock value in 2025, the company has sufficient funding to operate through 2028, indicating some financial stability.
- Clinical Development and Investor Outlook: Arcellx has made significant progress with its multiple myeloma treatment, advancing to phase two development, which could become a major revenue driver if successful, although the company still faces challenges with negative operating income.

- FDA Guidance Impact: The U.S. FDA's draft guidance allows minimal residual disease and complete response as endpoints for accelerated approval in multiple myeloma treatments, leading to a stock price increase for Arcellx (ACLX) and Legend Biotech (LEGN), reflecting market optimism for new therapies.
- Collaborative Prospects: Legend Biotech's partnership with Johnson & Johnson (JNJ) on the Carvykti cell therapy has already incorporated MRD negativity as an endpoint in the CARTITUDE-6 trial, which analysts view as a positive development for its market performance.
- Market Competition Analysis: Analysts highlight that Arcellx's anito-cel therapy is also expected to enter the market based on MRD negativity, enhancing its competitiveness in the second to fourth-line treatment settings and increasing investment appeal in this sector.
- Investment Rating Changes: Jefferies maintains an Outperform rating on Legend Biotech with a target price of $66, noting that while the stock trades at a significant discount, the FDA guidance provides a clear positive signal for its future growth.

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Wells Fargo Coverage: Wells Fargo has initiated coverage of Arcellx (ACLX) with an overweight rating, highlighting its CAR-T therapy, anito-cel, as a significant future treatment for multiple myeloma, setting a price target of $100.
Market Potential: Analyst Yanan Zhu anticipates that anito-cel could dominate the BCMA CAR-T market in fourth-line multiple myeloma due to its efficacy and safety, with peak sales projections of $1.6 billion in the fourth line and $3.8 billion if approved for second-line treatment.
Approval Timeline: Zhu expects anito-cel to gain approval in the second line by 2028, potentially earlier, which would enhance its market presence and sales.
Competitive Landscape: Despite strong data for Johnson & Johnson's combination therapy for multiple myeloma, Zhu notes that a significant portion of patients are ineligible for this treatment, indicating a continued need for alternative therapies like anito-cel.
- Price Target Increase: Deutsche Bank raised Woodward's price target from $300 to $400, reflecting strong confidence in the aerospace company, with expectations that its aftermarket potential will drive long-term growth.
- Market Leadership: Analysts believe Woodward's market leadership in aerospace positions it as one of the best long-term organic compounding stories, further solidifying investor confidence in its future performance.
- Optimistic Industry Outlook: As the aerospace sector recovers, Woodward's performance is expected to improve significantly, with analysts' optimistic projections likely attracting more investor attention to the company.
- Enhanced Investor Confidence: Deutsche Bank's reiteration of the buy rating not only reflects confidence in Woodward but may also encourage other institutions to follow suit, potentially driving the stock price higher.






