Ionis Pharmaceuticals

IONS Q1 2026 Earnings

Reported Apr 29, 2026 at 7:00 AM ET · SEC Source

Q1 26 EPS

$-0.56

Q1 26 Revenue

$246.0M

BEAT +25.50%

Est. $196.0M

vs S&P Since Q1 26

-3.5%

TRAILING MARKET

IONS +2.5% vs S&P +6.0%

Market Reaction

Did IONS Beat Earnings? Q1 2026 Results

Ionis Pharmaceuticals delivered a strong first-quarter 2026 beat on both the top and bottom lines, with revenue of $246.00 million coming in 25.50% ahead of the $196.01 million consensus and rising 86.9% from the year-ago period, while a GAAP loss of… Read more Ionis Pharmaceuticals delivered a strong first-quarter 2026 beat on both the top and bottom lines, with revenue of $246.00 million coming in 25.50% ahead of the $196.01 million consensus and rising 86.9% from the year-ago period, while a GAAP loss of $0.56 per share beat the $0.78 consensus estimate by 27.74%. The primary engine behind the outperformance was an surge in R&D revenue to $138.00 million, fueled by roughly $95.00 million in clinical and regulatory milestone payments from partner agreements, complemented by 42% growth in commercial revenue to $108.00 million as newer products TRYNGOLZA and DAWNZERA gained traction. Management responded to the momentum by raising full-year 2026 total revenue guidance to $875.00 million to $900.00 million and boosting peak net sales expectations for olezarsen in severe hypertriglyceridemia to more than $3.00 billion, while the company keeps its sights on cash-flow breakeven by 2028 amid a busy regulatory calendar that includes three PDUFA dates and major cardiovascular outcomes trial readouts later this year.

Key Takeaways

  • 87% year-over-year revenue growth driven by commercial success and substantial R&D milestone payments
  • TRYNGOLZA showing increasing demand in FCS driven by strong launch execution
  • DAWNZERA sales increased 125% sequentially versus Q4 2025
  • Approximately $95 million in clinical and regulatory milestone payments from multiple partnerships
  • Commercial revenue increased 42% year-over-year to $108 million
24/7 Wall St

IONS YoY Financials

Q1 2026 vs Q1 2025, source: SEC Filings

24/7 Wall St

IONS Revenue by Segment

With YoY comparisons, source: SEC Filings

Q1 25 Q1 26

“Ionis' strong performance in the first quarter of 2026 underscores the strength of our commercial and R&D engines. Our independent launches are increasingly contributing to revenue, driven by strong commercial execution, and we are on track for two additional groundbreaking independent launches in 2026 — olezarsen for severe hypertriglyceridemia, our first medicine for a broad patient population, and zilganersen for Alexander disease, the first launch from our leading neurology pipeline.”

— Brett P. Monia, Q1 2026 Earnings Press Release