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Xencor Inc.: Q2 FY2026 earnings call

What management said about Q2 FY2026, from the documents filed with the SEC on 5 August 2026: press release. Guidance figures: 2 new, 2 kept. The quarter’s numbers.

Key takeaways

  • XmAb819 registration-enabling study planned: Monotherapy registration-enabling study of XmAb819 planned to initiate during 2027 in advanced ccRCC. Subcutaneous dosing evaluation ongoing with RP3D determination prior to registration study. Source
  • XmAb541 response rates in early Phase 1 data: At putative RP3D of 60mg every 3 weeks, approximately 14 percent overall response rate in heavily-pretreated ovarian cancer patients and approximately 28 percent overall response rate in germ cell tumor patients, supporting combination development with XmAb808. Source
  • XmAb541 hearing impairment limits dosing: Potential additional anti-tumor activity observed at doses above 60mg, but reversible hearing impairment limited drug exposure due to dose interruptions and reductions. Hearing impairment potentially on-target for CLDN6 expression on cochlear hair cells. Source
  • XENITH-UC enrollment supports planned timelines: Global Phase 2b study in ulcerative colitis with enrollment expectations supporting blinded interim analysis around year-end 2026 and primary endpoint achievement of clinical remission at week 12 in 2H27. Source
  • Q2 2026 revenue increased from year-ago: Second quarter 2026 revenue of $51.2 million compared to $43.6 million in Q2 2025, an increase of 17 percent. Revenue primarily from Alexion U.S. Ultomiris royalties of $27.6 million, Zenas regulatory milestone of $10 million, and Incyte royalties. Source
  • Year-end 2026 cash guidance $420-440 million: Based on current operating plans, company expects to end 2026 with cash, cash equivalents and marketable debt securities between $420 million and $440 million. Source

“Xencor's focus on clinical execution and data delivery is setting us up for an accelerating tempo of anticipated readouts in 2027 and beyond.”

Bassil Dahiyat, Ph.D., President and Chief Executive Officer

Guidance

AreaPeriodFigureAgainst last quarter
Cash position SourceEnd of 2026Between $420 million and $440 million in cash, cash equivalents and marketable debt securitiesNew
Operating runway SourceThrough 2028Sufficient cash resources to fund research and development programs and operations through 2028Kept
Clinical milestone timing - XmAb942 XENITH-UC SourceYear-end 2026 to 2H27Blinded interim analysis around year-end 2026; primary endpoint in 2H27Kept
Clinical milestone timing - XmAb412 SourceFirst half of 2027Initial healthy participant data from Phase 1New

What changed from last quarter

  • New: Year-end 2026 cash guidance provided at $420-440 million after deferral in prior release. Source
  • New: XmAb819 Phase 1 ccRCC data accepted for oral presentation at ESMO 2026 in October. Source
  • New: XmAb541 received FDA Fast Track designation in July 2026 for germ cell tumors. Source
  • New: XmAb541 development strategy shifted to prioritize combination approach with XmAb808 based on monotherapy data. Source
  • New: XmAb412 Phase 1 study initiated in Q3 2026 with healthy participant enrollment underway. Source

Clinical Pipeline Milestones

  • XmAb819 registration-enabling study planned: Monotherapy registration-enabling study of XmAb819 planned to initiate during 2027 in advanced ccRCC. Subcutaneous dosing evaluation ongoing with RP3D determination prior to registration study. Source
  • XmAb819 sub-studies expanding to additional tumors: Sub-study for intermediate- or poor-risk ccRCC after nivolumab-ipilimumab planned to open Q3 2026. Planned combination with anti-PD1. New sub-study for ENPP3-positive colorectal cancer, NSCLC, and papillary RCC enrollment began Q2 2026. Source

XmAb541 Clinical Data and Strategy

  • XmAb541 response rates in early Phase 1 data: At putative RP3D of 60mg every 3 weeks, approximately 14 percent overall response rate in heavily-pretreated ovarian cancer patients and approximately 28 percent overall response rate in germ cell tumor patients, supporting combination development with XmAb808. Source
  • XmAb541 hearing impairment limits dosing: Potential additional anti-tumor activity observed at doses above 60mg, but reversible hearing impairment limited drug exposure due to dose interruptions and reductions. Hearing impairment potentially on-target for CLDN6 expression on cochlear hair cells. Source
  • XmAb541 FDA Fast Track for germ cell tumors: U.S. FDA granted Fast Track designation in July 2026 for germ cell tumors relapsed after two or more lines of platinum therapy or platinum-refractory disease. Source
  • XmAb541 low-grade cytokine release syndrome: Cytokine release syndrome reported as low-grade with no Grade 3 or higher cases. At RP3D, 14 percent Grade 1 CRS and 17 percent Grade 2 CRS reported, supporting future outpatient administration. Source

“Consistent with our focus on efficient clinical decision-making, we have prioritized the ongoing combination study of XmAb541 and XmAb808, which provides tumor-targeted co-stimulation through CD28 agonism, after observing moderate anti-tumor activity from early monotherapy data of XmAb541.”

Bassil Dahiyat, Ph.D., President and Chief Executive Officer

XENITH-UC and XmAb942 Development

  • XENITH-UC enrollment supports planned timelines: Global Phase 2b study in ulcerative colitis with enrollment expectations supporting blinded interim analysis around year-end 2026 and primary endpoint achievement of clinical remission at week 12 in 2H27. Source
  • XmAb942 extended half-life anti-TL1A antibody: XmAb942 is potential best-in-class high-potency antibody for inflammatory bowel disease with extended half-life profile. Source

Emerging Pipeline Programs

  • XmAb412 first-in-human study open for enrollment: XmAb412 is first XenLock bispecific antibody targeting TL1A and IL-23p19 for autoimmune and inflammatory diseases. Phase 1 initiated Q3 2026 in healthy participants with predicted 60-70 day half-life and initial data expected 1H27. Source
  • Plamotamab and XmAb657 progress updates planned: Plamotamab is CD20 x CD3 B-cell depleting bispecific in Phase 1b for rheumatoid arthritis. XmAb657 is CD19 x CD3 B-cell depleting bispecific in Phase 1 for myositis, systemic sclerosis and Sjögren's disease. Updates on both expected 2H26. Source

Financial Results and Revenue

  • Q2 2026 revenue increased from year-ago: Second quarter 2026 revenue of $51.2 million compared to $43.6 million in Q2 2025, an increase of 17 percent. Revenue primarily from Alexion U.S. Ultomiris royalties of $27.6 million, Zenas regulatory milestone of $10 million, and Incyte royalties. Source
  • Alexion settlement recognized in Q2: Company recognized $27.6 million of royalty revenue in Q2 2026 for U.S. Ultomiris sales during dispute period through June 30. Remaining $77.4 million of settlement consideration relating to post-June 30 periods will be recognized in Q3 2026. Source

Operating Expenses and Net Loss

  • R&D spending increased on pipeline programs: Q2 2026 R&D expenses were $71.9 million compared to $61.7 million in Q2 2025, an increase of 16.5 percent, primarily from increased pipeline program spending partially offset by lower stock-based compensation. Source
  • Net loss improved year-over-year: Net loss for Q2 2026 was $21.7 million or $0.29 per diluted share compared to net loss of $30.8 million or $0.41 per diluted share in Q2 2025, representing 30 percent improvement in loss per share. Source
  • G&A expenses relatively flat year-over-year: Q2 2026 G&A expenses were $16.4 million compared to $15.1 million in Q2 2025, remaining relatively consistent with prior year period. Source

Cash Position and Alexion Settlement

  • Year-end 2026 cash guidance $420-440 million: Based on current operating plans, company expects to end 2026 with cash, cash equivalents and marketable debt securities between $420 million and $440 million. Source
  • Cash position at June 30 declined to $486.4 million: Cash, cash equivalents and marketable debt securities totaled $486.4 million as of June 30, 2026, compared to $610.8 million as of December 31, 2025, reflecting operating burn and Alexion settlement payment of $52.5 million in August 2026. Source

Partnership Developments

  • Zenas received $10 million regulatory milestone: May 2026 biologics license application submission for obexelimab in IgG4-related disease triggered $10 million regulatory milestone payment received June 2026. Licensed to Zenas in November 2021 with eligibility for up to $450 million future milestones and tiered royalties ranging mid-single-digit to mid-teen percentages by geography. Source
  • Ultomiris partnership with Alexion restructured: Settlement agreement with Alexion resolved dispute surrounding U.S. Ultomiris royalty payments through June 30, 2026. Company will continue receiving royalties on ex-U.S. Ultomiris sales under existing license agreement terms. Source

Coming up, as management said on 5 August 2026

  • XmAb819 Phase 1 ccRCC data presentation: Phase 1 results from advanced clear cell renal cell carcinoma expansion cohorts will be presented in oral session at ESMO 2026 October 23-27 in Madrid, focusing on intravenous doses under evaluation as RP3D. Source
  • Sub-study for XmAb819 in poor-risk ccRCC opening: Sub-study evaluating XmAb819 in intermediate- or poor-risk advanced ccRCC patients who progressed after nivolumab-ipilimumab doublet therapy planned to open for enrollment in third quarter 2026. Source
  • XENITH-UC interim analysis expected year-end: Blinded interim analysis of XmAb942 XENITH-UC study in ulcerative colitis expected around year-end 2026, with primary endpoint of clinical remission at week 12 projected for 2H27. Source
  • Plamotamab Phase 1b progress update planned: Update on progress achieved in plamotamab Phase 1b study in rheumatoid arthritis expected in second half 2026. Source
  • XmAb657 Phase 1 progress update planned: Update on progress achieved in XmAb657 Phase 1 dose escalation study enrolling in healthy participants and autoimmune disease patients expected in second half 2026. Source
  • XmAb412 Phase 1 initial healthy data expected: Initial data from XmAb412 first-in-human Phase 1 study in healthy participants planned for presentation in first half 2027. Source
  • XmAb541-XmAb808 combination dose range expected: Phase 1 dose-escalation study of XmAb541 and XmAb808 combination expected to reach target dose range in 2027. Source
  • XmAb819 registration-enabling study initiation: Registration-enabling study of XmAb819 as monotherapy in advanced ccRCC planned to initiate during 2027. Source
  • Alexion second settlement payment due: Second $52.5 million payment from Alexion settlement agreement due within 14 days following one-year anniversary of settlement execution (August 2027). Source

Risks management discussed

  • Operational: XmAb541 hearing impairment observed at higher doses limits maximum tolerated dose and drug exposure. Source
  • Operational: CLDN6 identified as challenging tumor target requiring combination approach with XmAb808 to potentially expand therapeutic window. Source

Earlier plans management reported on

  • On track: Company affirmed enrollment expectations support interim analysis around year-end 2026 and primary endpoint achievement in 2H27. Source
  • On track: On track for registration-enabling study of XmAb819 in advanced ccRCC during 2027. Source
  • Met: Alexion settlement enabled return of operating runway estimate to extend through 2028 as previously stated.

Other quarters

Summarised with AI from the documents the company filed with the SEC. Every point is checked against the filing before it is shown: management’s own words word for word, figures against the line or table row they come from. A point that fails the check is left out. Source opens the filing at that line.