NASDAQ$IONS

Ionis Pharmaceuticals · Q4 2025 earnings

Q4 2025 earnings · · Before market open · Investor relations

Briefing

Ionis reported Q4 2025 total revenue of $203M with a net loss of $229M as TRYNGOLZA product sales ramped.

Fourth-quarter total revenue was $203 million with commercial revenue up 64% driven by TRYNGOLZA. Net loss was $229 million as collaboration revenue fell versus the prior year when AL002 performance obligations were satisfied. Net product sales reached $50 million in the quarter.

  • Q4 commercial revenue +64% on TRYNGOLZA.
  • Net product sales $50M in Q4 (+56% vs Q3).
  • Pipeline includes olezarsen, donidalorsen, and Wave RNA programs.
  • Cash and investments support multiple late-stage readouts.

Headline financials

Total Revenue

$203M

Previous: $227M-10.6%
EPS (adj)

-$1.15

Previous: -$0.43-167.0%
Non-GAAP Operating Expenses

$375M

Previous: $301M+24.6%
Non-GAAP Loss from Operations

-$172M

Previous: -$74M-132.4%
Non-GAAP Net Loss

-$186M

Previous: -$68M-173.5%
Net Income

-$229M

Previous: -$104M-119.5%
Operating Income

-$215M

Previous: -$111M-94.0%

Revenue & EPS history

Ionis · Revenue · Quarterly

$203M

Q4 2025-10.6%vs Q4 2024
Beat estimate in 9 of 15 quarters(60%)
ActualEstimate

Revenue by segment

Ionis · $151M total across 2 segments · Q2 2023

  • Collaborative Agreement Rev
    $90M+130.8%
  • SPINRAZA Royalties
    $61M+1.7%

Forward guidance

The quarterly filing discusses operating priorities, capital returns, and sector risks; numeric multi-quarter bridges vary by issuer.

Tailwinds

  • MD&A highlights liquidity, capital, and core business trends.
  • Segment or product commentary supports the earnings narrative.

Headwinds

  • Macro, rates, or input costs may pressure near-term margins.
  • One-time items can affect year-over-year comparability.

Historical earnings impact

How earnings announcements have historically affected this stock's price.

Avg. return before/after earnings

Based on 20 quarterly earnings reports · overlaid with Q4 2025

Historical avgQ4 2025

+0.2%

Avg return

Earnings day

+1.9%

Avg return

5 days after

+1.2%

Avg return

30 days after

51%

35 / 68 earnings

Positive

+30.2%

Q3 2016

Best reaction

-13.5%

Q3 2011

Worst reaction

Earnings price reactions
QuarterReport dateReaction (Day 0)+5 days+30 days
Q1 2026+4.2%+5.1%+6.6%
Q4 2025-5.3%-4.1%-15.6%
Q3 2025-2.3%+0.1%+12.5%
Q1 2025+3.0%+12.9%+12.4%
Q4 2024-0.4%-0.2%+3.0%
Q3 2024-0.9%+0.2%-1.8%
Q2 2024-0.7%-4.9%-3.6%
Q1 2024-5.0%-7.6%-5.7%
Q4 2023-0.8%+3.9%-3.7%
Q3 2023+4.3%+5.4%+14.1%
Q2 2023+0.7%+0.8%+4.2%
Q1 2023+1.3%-1.0%+17.5%
Q4 2022-4.0%-5.3%-11.2%
Q3 2022+7.6%+4.2%-11.2%
Q2 2022+0.9%-3.5%-3.2%
Q1 2022-1.2%-17.6%-6.1%
Q4 2021+3.4%+10.9%+19.3%
Q3 2021+5.0%+5.8%-20.0%
Q2 2021+4.2%+2.0%+4.5%
Q1 2021-11.1%-13.7%-17.7%
Q4 2020-4.7%-3.6%-23.4%
Q3 2020+3.7%+6.6%+9.0%
Q2 2020-4.6%-8.7%-6.1%
Q1 2020-7.7%-2.7%-0.3%
Q4 2019-3.6%-5.4%-10.7%
Q3 2019+1.8%+4.2%+18.8%
Q2 2019+6.6%+6.2%-3.6%
Q1 2019+0.9%-2.8%-7.2%
Q4 2018+15.2%+14.4%+31.7%
Q3 2018+5.4%-0.0%+8.8%
Q2 2018+4.4%+11.6%+1.9%
Q1 2018+7.4%+3.7%+12.9%
Q4 2017+2.8%-4.7%-14.2%
Q3 2017+0.9%+3.0%-0.6%
Q2 2017-8.6%-11.0%+7.4%
Q1 2017-2.6%+3.9%+10.3%
Q4 2016+5.4%+16.6%-13.8%
Q3 2016+30.2%+51.0%+44.9%
Q2 2016+0.1%-2.5%-14.1%
Q1 2016-8.7%
Q4 2015-4.6%
Q3 2015+14.8%
Q2 2015+1.0%
Q1 2015+1.2%
Q4 2014-0.8%
Q3 2014+4.4%
Q2 2014+6.3%
Q1 2014-6.5%
Q4 2013-9.7%
Q3 2013-6.1%
Q2 2013-4.2%
Q1 2013-12.4%
Q4 2012+7.6%
Q3 2012-7.0%
Q2 2012+3.9%
Q1 2012+7.6%
Q4 2011+2.8%
Q3 2011-13.5%
Q2 2011-8.2%
Q1 2010-2.7%
Q1 2011+2.8%
Q4 2008-1.6%
Q4 2010-1.6%
Q3 2009+2.5%
Q3 2010+2.5%
Q4 2009-3.8%
Q2 2010-3.8%
Q2 2009-3.8%

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