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Jazz Pharmaceuticals plc: Q4 FY2025 earnings call

What management said about Q4 FY2025, from the documents filed with the SEC on 24 February 2026: press release. Guidance figures: 8 new. The quarter’s numbers.

Key takeaways

  • Fourth-quarter revenue reached highest ever: Total revenues were $4.3 billion for 2025, up 5%, and $1.2 billion for 4Q25, up 10%; the company called 4Q25 its highest revenue quarter ever. Source
  • Xywav sales grew 12% in 2025: Xywav net product sales were $1.7 billion for 2025, up 12%, and $465 million for 4Q25, up 16%; the total sleep franchise exceeded $2 billion for 2025. Source
  • Modeyso sales since August launch: Modeyso net product sales were $48 million for 2025 since the August 2025 launch, and $37 million for 4Q25. Source
  • Cost of product sales rose on mix: GAAP gross margin on product sales was 87.5% for 2025 against 88.3%, and non-GAAP 91.6% against 92.3%; the company attributed the cost increase to product mix. Source
  • SG&A rose with two litigation settlements: GAAP SG&A was $1.81 billion for 2025, or 42.4% of total revenues, against $1.39 billion, including Xyrem antitrust settlements of $234 million and an Avadel settlement of $90 million. Source
  • Acquired IPR&D of $948 million: Acquired in-process R&D was $948 million for 2025: $905 million allocated to Modeyso in the Chimerix acquisition and a $43 million upfront payment under the Saniona license. Source
  • Zanidatamab gained breakthrough designation: FDA granted breakthrough therapy designation for zanidatamab in HER2+ unresectable locally advanced or metastatic GEA. Source

“2025 was an exceptional year for Jazz, representing our 21 st consecutive year of top-line growth and underscoring our commitment to operational excellence as we deliver meaningful innovation for patients,”

Renee Gala, president and chief executive officer of Jazz Pharmaceuticals

Guidance

AreaPeriodFigureAgainst last quarter
Total revenues Sourcefull year 2026$4.25 to $4.50 billionNew
Epilepsy and oncology revenue Source2026double-digit growthNew
Xywav revenue Source2026flat to up mid-single digitsNew
Gross margin % Source2026GAAP 89% - 90%; non-GAAP 90% - 91%New
SG&A expenses Source2026GAAP $1,424 - $1,497 million; non-GAAP $1,260 - $1,320 millionNew
R&D expenses Source2026GAAP $811 - $867 million; non-GAAP $725 - $775 millionNew
Effective tax rate Source2026GAAP 0% - 10%; non-GAAP 11.5% - 13.5%New
Weighted-average ordinary shares (millions) Source202665 - 66New

What changed from last quarter

  • New guidance: First 2026 guidance in the documents; the January 2026 deck gave only 2025 revenue guidance. Source
  • New: Tom Riga named chief business officer, with a remit to accelerate corporate development across rare disease. Source
  • New: The priority review voucher sale agreed in January 2026 is reported as sold for $200 million gross, 50% to Jazz. Source
  • New: HERIZON-GEA-01 data submitted for potential inclusion in NCCN guidelines; the January deck listed this as a 2026 item. Source

Full-year and fourth-quarter results

  • Fourth-quarter revenue reached highest ever: Total revenues were $4.3 billion for 2025, up 5%, and $1.2 billion for 4Q25, up 10%; the company called 4Q25 its highest revenue quarter ever. Source
  • GAAP net loss for 2025: GAAP net loss was $356 million for 2025, against net income of $560 million in 2024; 4Q25 GAAP net income was $203 million, against $191 million. Source
  • Non-GAAP EPS for both periods: Non-GAAP adjusted diluted EPS was $8.38 for 2025 against $20.65 for 2024, and $6.64 for 4Q25 against $6.51; GAAP diluted EPS was $(5.84) for 2025. Source
  • Authorized generic royalties in 2025: High-sodium oxybate authorized generic royalty revenue was $212 million for 2025, against $218 million in 2024; 4Q25 was $56 million, against $55 million. Source

Segment performance

  • Neuroscience revenue rose in both periods: Total neuroscience revenue, including authorized generic royalties, was $3.1 billion for 2025, up 6%, and $848 million for 4Q25, up 8%. Source
  • Oncology sales up 16% in fourth quarter: Oncology net product sales were $1.1 billion for 2025, up 2%, and $337 million for 4Q25, up 16%, mainly from including Modeyso and Ziihera in both periods. Source
  • Neuroscience growth drivers: Neuroscience growth came mainly from higher Xywav and Epidiolex/Epidyolex net product sales, partly offset by lower Xyrem net product sales. Source
  • Oncology fourth-quarter drivers: Fourth-quarter oncology growth also reflected higher Zepzelca sales, partly offset by lower Vyxeos sales, which were $35 million against $53 million. Source

“Jazz had a transformative year across our R&D pipeline, led by the HERIZON-GEA-01 data, which we believe firmly positions zanidatamab as the HER2-targeted agent of choice, with the potential to reshape first-line treatment for HER2+ metastatic GEA patients,”

Rob Iannone, M.D., M.S.C.E., executive vice president, global head of research and development, and chief medical officer of Jazz Pharmaceuticals

Products and patients

  • Xywav sales grew 12% in 2025: Xywav net product sales were $1.7 billion for 2025, up 12%, and $465 million for 4Q25, up 16%; the total sleep franchise exceeded $2 billion for 2025. Source
  • Xywav patient additions in fourth quarter: About 500 net patients were added to Xywav in 4Q25, ending the quarter with about 16,175 active patients: 10,950 in narcolepsy and 5,225 in idiopathic hypersomnia. Source
  • Xyrem sales declined: Xyrem net product sales were $146 million for 2025 against $234 million for 2024, and $38 million for 4Q25 against $49 million. Source
  • Epidiolex reached $1.1 billion: Epidiolex/Epidyolex net product sales were $1.1 billion for 2025, up 9%, and $287 million for 4Q25, up 4%; the company described 2025 as blockbuster status. Source
  • Modeyso sales since August launch: Modeyso net product sales were $48 million for 2025 since the August 2025 launch, and $37 million for 4Q25. Source
  • Zepzelca sales fell in 2025, rose in 4Q25: Zepzelca net product sales were $307 million for 2025, down 4%, and $90 million for 4Q25, up 15%; the product was approved with atezolizumab for first-line maintenance in small cell lung cancer. Source

Costs, margins and product mix

  • Cost of product sales rose on mix: GAAP gross margin on product sales was 87.5% for 2025 against 88.3%, and non-GAAP 91.6% against 92.3%; the company attributed the cost increase to product mix. Source
  • SG&A rose with two litigation settlements: GAAP SG&A was $1.81 billion for 2025, or 42.4% of total revenues, against $1.39 billion, including Xyrem antitrust settlements of $234 million and an Avadel settlement of $90 million. Source
  • R&D fell on trial timing and program exits: GAAP R&D was $783 million for 2025 against $884 million, mainly from lower zanidatamab trial costs, the JZP385 discontinuation and completed JZP258 trials; Modeyso costs partly offset. Source
  • Acquired IPR&D of $948 million: Acquired in-process R&D was $948 million for 2025: $905 million allocated to Modeyso in the Chimerix acquisition and a $43 million upfront payment under the Saniona license. Source
  • Tax benefit from acquired deferred tax assets: GAAP income tax benefit was $272 million for 2025, including a $213 million benefit from recognizing U.S. deferred tax assets acquired with Chimerix. Source

Cash, debt and balance sheet

  • Cash and investments of $2.4 billion: Cash, cash equivalents and investments were $2.4 billion at year end; long-term debt principal was $5.4 billion; $885 million was undrawn under the revolving credit facility. Source
  • Operating cash of $1.4 billion: The company generated $1.4 billion of cash from operations in 2025; the cash flow summary shows $1.36 billion of net cash provided by operating activities. Source
  • Current debt rose to $1.03 billion: Current portion of long-term debt was $1.03 billion at year end against $31 million a year earlier; long-term debt less current portion was $4.33 billion. Source
  • Investing and financing cash outflows: Net cash used in investing was $1.51 billion and net cash used in financing was $873 million in 2025; cash and cash equivalents fell $1.02 billion over the year. Source

Strategy and corporate development

  • Chimerix acquisition completed: Jazz completed its acquisition of Chimerix, received FDA approval for Modeyso in H3 K27M-mutant diffuse midline glioma, and launched it. Source
  • Corporate development tied to rare disease: Management said it will pursue corporate development aligned with its rare disease focus, to support durable growth and long-term value creation. Source
  • Build $1B+ franchises with multiple assets: The January deck said Jazz aims to build $1B+ franchises with multiple assets, citing sleep, epilepsy and oncology as its three $1B+ franchises.

Pipeline and product launches

  • Zanidatamab gained breakthrough designation: FDA granted breakthrough therapy designation for zanidatamab in HER2+ unresectable locally advanced or metastatic GEA. Source
  • Multiple zanidatamab registrational trials: Multiple registrational zanidatamab trials are underway, including in metastatic breast cancer, under a broad development program. Source
  • Ziihera launched in biliary tract cancer: Ziihera net product sales in biliary tract cancer were $25 million in 2025 and $9 million in 4Q25, following the December 2024 launch. Source

Coming up, as management said on 24 February 2026

  • Zanidatamab sBLA submission and launch timing: Submission expected to be completed in 1Q26 under RTOR, with potential launch in 2H26. The January deck had planned a 1H26 submission and a late 2026 launch. Source
  • EmpowHER-BC-303 top-line results: Top-line results from the EmpowHER-BC-303 trial are expected in late 2027 or early 2028. Source
  • Launch execution for Modeyso and Zepzelca: Management plans to sustain launch execution for Modeyso and Zepzelca while preparing for the potential zanidatamab launch in GEA. Source

Figures management reported

FigureReported
Xywav net product sales Source$1.7 billion 2025 (+12%); $465 million 4Q25 (+16%)
Epidiolex/Epidyolex net product sales Source$1.1 billion 2025 (+9%); $287 million 4Q25 (+4%)
Zepzelca net product sales Source$307 million 2025 (-4%); $90 million 4Q25 (+15%)
Modeyso net product sales Source$48 million 2025; $37 million 4Q25
Ziihera net product sales (biliary tract cancer) Source$25 million 2025; $9 million 4Q25
Xyrem net product sales Source$146 million 2025 (vs $234 million 2024); $38 million 4Q25
Research and development expense (GAAP) Source$782.7 million 2025 (vs $884.0 million 2024)
Breakthrough therapy designation SourceFDA granted for zanidatamab in HER2+ GEA
Modeyso FDA approvalaccelerated approval, August 6, 2025

Earlier plans management reported on

  • On track: Enrollment in the EmpowHER-BC-303 trial described as on track to complete in 1H27. Source
  • Ahead: Modeyso approval was granted ahead of schedule; enrollment in the Phase 3 ACTION trial was described as ongoing and on track in the January deck.

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.