Inferra AI / Company / IONS

Ionis Pharmaceuticals Inc.

IONS · Health Care

Last earnings Jul 29, 2026

Key results

Revenuequarter

$54 million

revenue of $54 million and $212 million in the fourth quarter and the year ended December 31, 2025, respectively o High dose approved and launched in the EU

SEC original ↗Ionis Pharmaceuticals Inc. — Earnings release (8-K exhibit)EX-99Feb 25, 2026

Revenuefull-year

$212 million

revenue of $54 million and $212 million in the fourth quarter and the year ended December 31, 2025, respectively o High dose approved and launched in the EU

SEC original ↗Ionis Pharmaceuticals Inc. — Earnings release (8-K exhibit)EX-99Feb 25, 2026

revenue of $16 million and $49 million in the fourth quarter and the year ended December 31, 2025, respectively o Launches underway in numerous regions, including the EU

SEC original ↗Ionis Pharmaceuticals Inc. — Earnings release (8-K exhibit)EX-99Feb 25, 2026

AI analysis

Q2 2025 · reported Feb 25, 2026

Based on: Earnings release + parent 8-K + 10-Q — transcript not held

Revenue · Q2 2025
$54M
Full year: $212 million
EX-99 · Feb 25, 2026

The quarter in charts

Guidance ladder — revenue

Delivered vs the company's guided range

EX-99 · Feb 25, 2026 Guide as stated by the company; range and midpoint computed from the stated figure.

Headline figures

MetricQ2 2025Prior qtrYear ago
Revenue$54 million——

EX-99 · Feb 25, 2026

Guidance · company-stated

Direction: Raised

Revenue$2.7 billion

“in the second quarter of 2025 Operating expenses for the year ended December 31, 2025 were in line with expectations and increased year over year from investments related to commercialization efforts for TRYNGOLZA, DAWNZERA and WAINUA Cash and short-term investments of $2.7 billion as of December 31, 2025, included refinancing proceeds Ionis plans to use to repay its 2026 Convertible Notes Fourth Quarter and Full Year 2025 Financial Results In 2025 we exceeded our revenue guidance, driven by growing commercial revenue from our independent launches and substantial R&D revenue from continued pipeline success, said Elizabeth L.”

Midpoint vs latest-quarter revenue+4900.0%computed from stated figures

Classified from the release's primary full-year outlook statement.

Next earningsNo verified date on fileNo date is estimated or imported

Capital allocation

Balance Sheet As of December 31, 2025, Ionis cash, cash equivalents and short-term investments increased to $2.7 billion, compared to $2.3 billion on December 31, 2024, primarily due to the refinancing proceeds Ionis received from its convertible debt issuance in the fourth quarter, which Ionis plans to use to repay its 2026 Convertible Notes.

Common stock from the following would have had an anti-dilutive effect on net loss per share: 1.75 percent convertible senior notes due 2028, or 1.75 % Notes due 2028; 0 percent convertible senior notes due 2026, or 0 % Notes due 2026; Note hedges related to the 0 % Notes due 2026; Warrants related to the 0 % Notes due 2026; Dilutive stock options; Unvested restricted stock units, or RSUs; Unvested performance restricted stock units, or PRSUs; and Employee Stock Purchase Plan, or ESPP.

What changed vs last quarter

  • Guide midpoint vs latest-quarter revenue +4900.0% computed from stated figures
General educational research only — not investment advice.Every figure is as stated in the held documents; values marked “computed from stated figures” are arithmetic on those stated figures. Guidance shown is the company’s own stated guidance. No price targets, no recommendations, no consensus estimates.

Event summary

Ionis Pharmaceuticals Inc. Q2 2025 — revenue of $54 million and $212 million in the fourth quarter and the year ended December 31, 2025, respectively o High dose approved and launched in the EU

Based on: Earnings release + parent 8-K + 10-Q — transcript not held

Guidance & outlook

Direction: Raised

Revenue: “in the second quarter of 2025 Operating expenses for the year ended December 31, 2025 were in line with expectations and increased year over year from investments related to commercialization efforts for TRYNGOLZA, DAWNZERA and WAINUA Cash and short-term investments of $2.7 billion as of December 31, 2025, included refinancing proceeds Ionis plans to use to repay its 2026 Convertible Notes Fourth Quarter and Full Year 2025 Financial Results In 2025 we exceeded our revenue guidance, driven by growing commercial revenue from our independent launches and substantial R&D revenue from continued pipeline success, said Elizabeth L.”

Revenue — Raised (“increased”)
“in the second quarter of 2025 Operating expenses for the year ended December 31, 2025 were in line with expectations and increased year over year from investments related to commercialization efforts for TRYNGOLZA, DAWNZERA and WAINUA Cash and short-term investments of $2.7 billion as of December 31, 2025, included refinancing proceeds Ionis plans to use to repay its 2026 Convertible Notes Fourth Quarter and Full Year 2025 Financial Results In 2025 we exceeded our revenue guidance, driven by growing commercial revenue from our independent launches and substantial R&D revenue from continued pipeline success, said Elizabeth L.”

Classified from the release's primary full-year outlook statement.

Capital allocation

Balance Sheet As of December 31, 2025, Ionis cash, cash equivalents and short-term investments increased to $2.7 billion, compared to $2.3 billion on December 31, 2024, primarily due to the refinancing proceeds Ionis received from its convertible debt issuance in the fourth quarter, which Ionis plans to use to repay its 2026 Convertible Notes.

SEC original ↗Ionis Pharmaceuticals Inc. — Earnings release (8-K exhibit)EX-99Feb 25, 2026

Common stock from the following would have had an anti-dilutive effect on net loss per share: 1.75 percent convertible senior notes due 2028, or 1.75 % Notes due 2028; 0 percent convertible senior notes due 2026, or 0 % Notes due 2026; Note hedges related to the 0 % Notes due 2026; Warrants related to the 0 % Notes due 2026; Dilutive stock options; Unvested restricted stock units, or RSUs; Unvested performance restricted stock units, or PRSUs; and Employee Stock Purchase Plan, or ESPP.

SEC original ↗Ionis Pharmaceuticals Inc. — 10-Q Quarterly report10-QJul 29, 2026

For the three and six months ended June 30, 2026, common stock underlying the 0 percent convertible senior notes due 2030, or 0 % Notes due 2030, would also have had an anti-dilutive effect on net loss per share.

SEC original ↗Ionis Pharmaceuticals Inc. — 10-Q Quarterly report10-QJul 29, 2026

All of our available-for-sale debt securities are available to us for use in our current operations.

SEC original ↗Ionis Pharmaceuticals Inc. — 10-Q Quarterly report10-QJul 29, 2026

We invest in debt securities with strong credit ratings and an investment grade rating at or above A-1, P-1 or F-1 by Standard & Poor s, Moody s or Fitch, respectively.

SEC original ↗Ionis Pharmaceuticals Inc. — 10-Q Quarterly report10-QJul 29, 2026

government agencies 26,439 26 ( 20 ) 26,445 Debt securities issued by the U.

SEC original ↗Ionis Pharmaceuticals Inc. — 10-Q Quarterly report10-QJul 29, 2026

Strategy & priorities

In 2026, we will continue to invest in go-to-market activities to support our ongoing and upcoming independent launches, including the recent expansion of our top-tier sales force ahead of our expected olezarsen sHTG launch.

SEC original ↗Ionis Pharmaceuticals Inc. — Earnings release (8-K exhibit)EX-99Feb 25, 2026

We are also responsible for maintaining the marketing authorization for TEGSEDI and WAYLIVRA in major markets and for leading the global commercial strategy for each medicine.

SEC original ↗Ionis Pharmaceuticals Inc. — 10-Q Quarterly report10-QJul 29, 2026

Biogen We have multiple collaborations with Biogen focused on using antisense technology to advance the treatment of neurological disorders, including our 2017 spinal muscular atrophy, or SMA, collaboration and 2018 neurology collaboration.

SEC original ↗Ionis Pharmaceuticals Inc. — 10-Q Quarterly report10-QJul 29, 2026

Risks & headwinds

Such statements are subject to certain risks and uncertainties including those inherent in the process of discovering, developing and commercializing medicines that are safe and effective for use as human therapeutics, and in the endeavor of building a business around such medicines.

SEC original ↗Ionis Pharmaceuticals Inc. — Earnings release (8-K exhibit)EX-99Feb 25, 2026

We include these milestone payments when they are achieved because there is considerable uncertainty in the research and development processes that trigger these payments.

SEC original ↗Ionis Pharmaceuticals Inc. — 10-Q Quarterly report10-QJul 29, 2026

Competitors

Competitors & peers

Same GICS sector — classification peers, not declared competitors

Documents

Filings

45 documents

Earnings releases

9 documents

Presentations

0 documents

No presentations for Ionis Pharmaceuticals Inc. are held in this edition of the library.

Transcripts

0 documents

No transcripts for Ionis Pharmaceuticals Inc. are held in this edition of the library.

Mentioned by

1 company

Other tracked companies whose held documents mention Ionis Pharmaceuticals Inc. by name or ticker. A mention is counted once per document, from the document text the library holds.

See also the earnings calendar for every tracked company’s next earnings date.