Stock Track | Ionis Pharmaceuticals Surges 6.42% Pre-Market on Strong Q4 Beat and Bright 2025 Outlook

Stock Track
19 Feb

Shares of Ionis Pharmaceuticals (IONS) rallied 6.42% in pre-market trading on Wednesday, following the company's impressive fourth quarter 2024 earnings results and robust guidance for 2025.

For the fourth quarter, Ionis reported revenue of $227 million, handily beating analyst estimates of $137.6 million. The company's loss per share of $0.66 also came in significantly better than the expected loss of $1.10 per share.

Ionis provided an optimistic outlook for 2025, guiding for revenue of over $600 million, above the consensus analyst forecast of $676 million. This stronger-than-expected guidance reflects the company's expanding commercial portfolio and promising pipeline.

Key highlights from Ionis' fourth quarter report include:

  • The successful late 2024 launch of TRYNGOLZA, Ionis' first independent medicine for familial chylomicronemia syndrome
  • Continued strong momentum for WAINUA, Ionis' drug for hereditary transthyretin-mediated amyloidosis, with accelerating sequential sales growth
  • Multiple anticipated product launches in 2025 and 2026, including donidalorsen for hereditary angioedema and olezarsen for severe hypertriglyceridemia, pending regulatory approvals

Ionis' robust financial performance and promising pipeline catalysts, including several potentially transformational medicines, appear to have fueled the stock's surge in pre-market trading on Wednesday. Investors are betting on the company's evolution into a fully integrated commercial-stage biotech with a diverse revenue stream.

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