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Earnings Call Transcripts·

Zymeworks Portfolio Update - Zymeworks

ZYME

  • Explicit Guidance:

    • R&D Spend: Expected to be approximately 20% lower in the current year compared to the prior year, partially offset by capital relief from the Roche partnership funding ZW209 Phase 1A.
    • Capital Allocation: Continuation of share repurchase programs contingent on management's view that shares remain undervalued; no specific buyback volume or timing guidance provided.
    • Earnings Calls: No third-quarter earnings conference call or webcast scheduled; future investor calls will be event-driven (clinical/data/transactions) rather than quarterly, except for the full-year results expected in late February/early March of the following year.

  • Business-Segment Outlook:

    • ZW209 (DLL3 Tri-TCE): First patient dose expected in 2026 (Phase 1A) following HSR clearance; transition to Phase 1B planned after maximum tolerated dose determination and RDE identification.
    • ZW191 (FRα-ADC): Moving toward partnership to fund registration programs; potential for expansion into earlier lines of therapy and combination regimens contingent on partner selection; data maturity expected to evolve over time with no immediate plans for independent Phase 3 trials.
    • ZW251 (GPC3-ADC): Study ongoing since early 2026; data release timing to be determined based on data maturity vs. competitive landscape; potential impact on HCC second-line market with low current standard-of-care response rates.
    • Pan-RAS Programs: Active search for partnership via spin-out, carve-out, or co-creation models; expected to advance at full speed with partnership timeline anticipated "sometime soon."
    • Partnership Revenue: Roche deal potential includes $55M upfront, $40M upon Phase 1b initiation, up to $718M in milestones, and tiered royalties (high single digits to mid-teens, extending potentially into the 2040s).
    • Royalty Portfolio: Goal to build a diversified, durable royalty portfolio from partners (JAZ, B1, Roche, Theravance) to fund internal R&D and provide recurring cash flow.

  • Market and Competitive Outlook:

    • Ovarian Cancer (ZW191): Increasingly competitive landscape driven by other ADCs moving to earlier lines and combination regimens; ZW191 differentiated by favorable safety profile (6.4 mg/kg) and efficacy; focus on partnering to compete with established molecules.
    • Small Cell Lung Cancer (ZW209): Competitive environment involving Tarlatamab (Amgen) and other T-cell engagers; anticipated future combination regimens (e.g., with PD-1/CD3 and ADCs) to optimize patient benefit.
    • HER2+ GEKA (Zahira/Zanidatamab): Horizon GEA01 data suggests new standard of care in first-line setting; real-world prescribing patterns (doublet vs. triplet) will determine long-term royalty trajectory.
    • Platform Expansion: Potential to extend CD3-CD28 platform to other heme malignancies (myeloma, AML), autoimmune, and inflammatory diseases, though these are longer-term opportunities requiring further validation.

  • Macro / Industry Outlook:

    • Development Model: Strategic shift toward partnering early (e.g., ZW209 pre-Phase 1A, ZW191 pre-Phase 3) to share risk and leverage partner resources for global commercialization rather than carrying full capital burden internally.
    • Regulatory: HSR clearance is pending for Roche partnership; FDA IND clearance for ZW209 already obtained.
    • Competitive Dynamics: Recognition that "best-in-class" differentiation in ADCs and TCEs requires robust safety profiles and combination capabilities to succeed in crowded markets.

  • Strategic Initiatives:

    • Roche Partnership (ZW209): Finalized agreement pending HSR; Roche to fund subsequent R&D and commercialization; ZymeWorks to conduct global Phase 1A study using internal capabilities, leveraging Roche resources for Phase 1B+.
    • Theravance Acquisition: Completed; integrated to add durable revenues (Zanidatamab/Pazritamab) and expand portfolio.
    • Capital Efficiency: Intention to use upfront payments and partnered R&D funding to replenish pipeline and invest selectively in acquisitions/royalties.
    • Future R&D Day: Scheduled for Q1 2027 to provide visibility into preclinical programs and emerging opportunities.
    • M&A/Divestiture: Exploration of R&D spin-offs, carve-outs, and dedicated vehicles for specific asset portfolios.

  • Risks and Headwinds to Outlook:

    • Regulatory Uncertainty: Roche partnership completion is subject to HSR clearance; regulatory approval for clinical programs remains a key risk.
    • Clinical Risk: Preclinical differentiation for ZW209 must translate to clinical efficacy; ZW191 requires further data maturity to confirm duration of response and PFS; potential for loss of antigen expression (e.g., DLL3) leading to resistance.
    • Competitive Pressure: Rapid evolution in ADC and T-cell engager markets may necessitate combination therapies and earlier line positioning to capture market share.
    • Partner Dependence: Revenue realization relies on partner success in development and commercialization; strategic direction for certain assets (ZW191, Pan-RAS) is contingent on securing a partner.

  • Management Tone on the Future:

    • Confidence: High confidence in platform differentiation (ZW209's conditional co-stimulation, ZW191's safety/efficacy balance) and the capital-efficient partnership model.
    • Strategic Discipline: Emphasis on not "assuming every program needs to be developed entirely on our own balance sheet"; prioritizing partnerships to unlock value in competitive environments.
    • Caution: No specific revenue/earnings targets provided for the next 1-3 years; focus remains on "tangible progress" and "pathways for long-term value creation" rather than short-term guidance.
    • Hedges: Frequent caveats regarding the need for further data maturity, HSR clearance, and the variable nature of partnering outcomes.

  • Miscellaneous:

    • Data Cutoffs: ZW191 data (ESMO) has a median follow-up of 7 months; Median PFS is immature for the 6.4 mg/kg dose.
    • Partner Updates: Horizon GEA01 data (JAZ/B1) shows 27-month median OS in first-line HER2+ GEA, establishing Zanidatamab as a backbone therapy.
    • No Q3 Call: Explicitly stated that no Q3 earnings call will be held; future communication will be event-driven.