TG Therapeutics (TGTX) Q3 2025: Brionvi Net Sales Jump 93% as SubQ Pipeline Targets $10B MS Market

Brionvi’s surging adoption and robust patient retention powered another record quarter for TG Therapeutics, with commercial expansion and pipeline bets positioning the company to capture a growing share of the $10 billion U.S. MS market. Strategic pipeline investments and disciplined capital allocation signal a multi-year growth runway as TG balances innovation and profitability.

Summary

  • Brionvi’s Class Leadership: TG’s flagship MS therapy continues to outpace expectations, cementing its differentiated position.
  • Pipeline Acceleration: Subcutaneous and simplified dosing programs are on track to expand market reach and drive future launches.
  • Capital Discipline: Share repurchases and high ROI standards guide capital allocation as management resists overpaying for external deals.

Performance Analysis

Brionvi, TG’s anti-CD20 therapy for relapsing multiple sclerosis (MS), delivered U.S. net sales of $152.9 million in Q3, representing a 93% year-over-year increase and exceeding both internal and external forecasts. Total company revenue reached $161.7 million, with product revenue accounting for the vast majority. This performance was underpinned by robust patient retention, consistent new prescriber growth, and expanding adoption across both academic centers and community neurology practices.

Operating expenses rose to $86.6 million for the quarter, reflecting increased R&D investment in subcutaneous Brionvi and higher SG&A tied to commercial expansion and media campaigns. Despite this, TG maintained profitability for the sixth consecutive quarter, aided by a one-time $365 million deferred tax asset release. The company ended Q3 with $178 million in cash and investments, following the completion of a $100 million share repurchase program. Management raised full-year Brionvi U.S. net revenue guidance to $585 million, citing sustained demand and positive persistence trends.

  • Persistence Outperformance: Repeat prescribing and long-term patient retention exceeded expectations, driving sequential and annual growth.
  • Commercial Reach Expansion: Field force buildout and targeted DTC campaigns broadened Brionvi’s prescriber base and patient awareness.
  • Margin Management: Operating expenses increased, but were offset by revenue gains and disciplined capital allocation, sustaining profitability.

Brionvi’s performance demonstrates strong product-market fit and operational leverage, while pipeline investments and commercial execution lay the foundation for future growth.

Executive Commentary

"Our flagship product, Reumvi, for relapsing MS, continues to outperform, exemplifying what happens when innovation meets execution. We've always believed Brown V had a best in class profile, and we built what we believe is the best in class team around it."

Michael Weiss, Chairman and Chief Executive Officer

"Our third quarter results reflect sustained commercial strength with total revenue reaching $161.7 million, an increase of 93% compared to Q3-24, and 15% over Q2-25. This represents our sixth consecutive quarter of profitability, driven by Brandy revenue growth and disciplined expense management."

Sean Power, Chief Financial Officer

Strategic Positioning

1. Brionvi’s Differentiated Value Proposition

Brionvi’s twice-yearly, one-hour infusion schedule, backed by six-year data showing 90% of patients free from disability progression, continues to resonate with both physicians and patients. Real-world data from the ENABLE study and long-term clinical trial extensions reinforce Brionvi’s efficacy and tolerability, supporting its position as a preferred anti-CD20 therapy across diverse care settings.

2. Pipeline-Driven Market Expansion

Two pivotal clinical programs—ENHANCE (simplified dosing) and the Phase 3 subcutaneous (SubQ) Brionvi study—are on track to expand TG’s addressable market and product lifecycle. The SubQ program, targeting self-administration and auto-injector compatibility, could nearly double Brionvi’s market opportunity as SubQ options grow to 40% of new MS starts. The simplified dosing regimen aims to further streamline patient experience and treatment center efficiency.

3. Commercial Execution and Brand Investment

Strategic expansion of the commercial field force and the launch of a national television and digital campaign have driven elevated branded search, website activity, and patient engagement. TG’s disciplined approach to coverage and productivity has enabled continued prescriber growth, while targeted DTC efforts are beginning to yield measurable awareness gains.

4. Capital Allocation and M&A Discipline

Management completed a $100 million buyback and authorized an additional $100 million program, emphasizing shareholder returns when internal investment opportunities are limited. The company has evaluated multiple external deals but maintains a high ROI hurdle, prioritizing risk-reward and strategic fit over near-term portfolio expansion.

5. Financial Flexibility and Profitability

With six quarters of profitability and a $178 million cash position, TG retains flexibility to invest in pipeline assets, commercial growth, or opportunistic M&A, while maintaining a disciplined cost structure.

Key Considerations

Q3 marked a critical inflection for TG as Brionvi’s commercial momentum and pipeline progress converged, setting the stage for a multi-year growth trajectory. Investors should weigh the durability of Brionvi’s outperformance alongside the execution risks and capital allocation discipline that will define TG’s next phase.

Key Considerations:

  • SubQ Market Penetration: The pace of subcutaneous market growth and TG’s ability to deliver a differentiated, self-administered product will be pivotal for future share gains.
  • Patient Retention Trends: Sustained high persistence rates are critical for maintaining revenue momentum as the business matures.
  • Commercial Efficiency: Ongoing expansion of the field force and DTC investments must translate into incremental prescriber and patient growth to justify rising SG&A.
  • Capital Allocation Discipline: Management’s willingness to forego deals that do not meet ROI thresholds protects long-term value, but may limit near-term pipeline breadth.

Risks

Competitive intensity remains high, particularly in the subcutaneous segment where rivals are gaining traction and market share could shift rapidly with new product launches. Pipeline execution risk is elevated, as delays or underwhelming data from the SubQ or enhanced dosing studies would temper growth expectations. Additionally, as Brionvi’s installed base grows, maintaining high persistence and minimizing patient drop-off will be critical to sustaining revenue growth in a maturing market.

Forward Outlook

For Q4 2025, TG guided to:

  • Continued double-digit sequential Brionvi sales growth, driven by patient retention and new prescriber expansion
  • Full-year Brionvi U.S. net revenue of approximately $585 million, up from prior guidance of $570–$575 million

For full-year 2025, management raised guidance:

  • Operating expenses of $300–$320 million, in line with prior expectations

Management cited strong patient persistence, field force expansion, and early indicators of DTC campaign effectiveness as key drivers for the updated outlook.

  • Media investments are expected to further boost patient engagement in Q4 and beyond
  • Pipeline milestones in 2026–2027 (SubQ and enhanced dosing) are positioned as major growth drivers

Takeaways

Brionvi’s commercial execution and pipeline progress have positioned TG for sustained leadership in the MS market, but competitive and execution risks remain central to the investment case.

  • Brionvi’s Outperformance: Persistent demand and patient retention fuel ongoing revenue growth, with expanding adoption across care settings.
  • Pipeline Leverage: SubQ and simplified dosing programs are critical to capturing incremental market share and extending the brand’s lifecycle.
  • Watch for Execution: Investors should monitor pipeline data releases, DTC campaign ROI, and any shifts in the competitive landscape as key signals for future performance.

Conclusion

TG Therapeutics delivered another quarter of commercial outperformance, operational discipline, and pipeline advancement, reinforcing its differentiated position in the MS market. The next phase will hinge on successful pipeline execution and continued commercial expansion, with management’s capital discipline providing a margin of safety for long-term investors.

Industry Read-Through

TG’s results highlight the growing importance of patient-centric innovation and commercial agility in the MS market, as the anti-CD20 class approaches $10 billion in annual U.S. sales. The accelerating shift toward subcutaneous, self-administered therapies signals a broader trend toward convenience and patient empowerment, raising the bar for incumbents and new entrants alike. Disciplined capital allocation and ROI-driven dealmaking are likely to become industry norms as specialty pharma companies balance pipeline bets with shareholder returns. The MS therapeutic landscape remains dynamic, with product lifecycle management and differentiated real-world outcomes emerging as key determinants of long-term success.