Ionis Pharmaceuticals (IONS) reported $944M in revenue for fiscal 2025, +33.8% year on year. That ranks #1813 by revenue among 2853 SEC filers and #165 in Healthcare. It posted a net loss of −$381M for the same year. Revenue has grown 17.5% a year on average since 2011 ($99.1M then). The fiscal 2025 balance sheet shows $3.5B in total assets, $372M in cash and $1.3B in long-term debt.

Key figures

$99.1M2011$102M2012$147M2013$214M2014$284M2015$373M2016$514M2017$600M2018$1.1B2019$729M2020$810M2021$587M2022$788M2023$705M2024$944M2025
Ionis Pharmaceuticals — Key figures
Key figuresFY2025YoYSource
RevenueRevenueFromContractWithCustomerExcludingAssessedTax$944M+33.8%FY20252025-12-31
Gross profitNot reported—
Operating incomeOperatingIncomeLoss−$382M+$93.4MFY20252025-12-31
Net incomeNetIncomeLoss−$381M+$72.5MFY20252025-12-31
Operating cash flowNetCashProvidedByUsedInOperatingActivities−$269M+$232MFY20252025-12-31
Capital expenditurePaymentsToAcquirePropertyPlantAndEquipment$51.4M+13.6%FY20252025-12-31
Total assetsAssets$3.5B+17.3%FY20252025-12-31
Shareholders' equityStockholdersEquity$489M−16.9%FY20252025-12-31
CashCashAndCashEquivalentsAtCarryingValue$372M+53.8%FY20252025-12-31
Long-term debtLongTermDebtNoncurrent$1.3B+10.4%FY20252025-12-31

Revenue is total net sales for the fiscal year, taken from each company's own annual filing.

Reported since the last full year

Three-month figures this company has filed since FY2025. A quarter is not comparable with a full year, and these figures are used nowhere else on the site: not in any ranking, not in comparisons, not in the download.

Ionis Pharmaceuticals — Reported since the last full year
QuarterRevenueNet incomeSource
Q1 20262026-03-31$246M−$92.5MOpen →
Q2 20262026-06-30$268M−$115MOpen →

Only periods that end on a calendar quarter appear here. A company whose fiscal year ends in June files on a different calendar, so it has no row.

Profile

Legal name
Ionis Pharmaceuticals Inc
Ticker
IONS
Exchange
Nasdaq
SIC classification
Pharmaceutical Preparations (2834)
Fiscal year end
12-31
CIK
0000874015

Filings

Similar in size, same sector

CompanyRevenueNet income
Guardant HealthGH$982M−$416M
Madrigal PharmaceuticalsMDGL$958M−$288M
Pennant GroupPNTG$948M$29.6M
Ionis PharmaceuticalsIONS$944M−$381M
Usana Health SciencesUSNA$925M$10.8M
Tilray BrandsTLRY$915M−$121M
Inspire Medical SystemsINSP$912M$145M

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Cite this page

Ready-made references for the figures on this page, as published on September 25, 2026.

Wikipedia

{{cite web |title=Ionis Pharmaceuticals — Key figures |url=https://companiesranked.com/en/company/ionis-pharmaceuticals |website=CompaniesRanked |date=2026-09-25 |language=en}}

APA 7

CompaniesRanked. (September 25, 2026). Ionis Pharmaceuticals — Key figures. CompaniesRanked. https://companiesranked.com/en/company/ionis-pharmaceuticals

BibTeX

@misc{companiesranked-en-company-ionis-pharmaceuticals-2026,
  author       = {{CompaniesRanked}},
  title        = {{Ionis Pharmaceuticals — Key figures}},
  year         = {2026},
  howpublished = {\url{https://companiesranked.com/en/company/ionis-pharmaceuticals}},
  note         = {Compiled from SEC EDGAR XBRL filings; data as of 2026-09-25},
  urldate      = {2026-09-25}
}

The filing itself

The numbers above are read from this document: 10-K · 0000874015-26-000115 · February 26, 2026

{{cite web |title=Ionis Pharmaceuticals — Key figures — 10-K (0000874015-26-000115) |url=https://www.sec.gov/Archives/edgar/data/874015/000087401526000115/form10k.htm |website=SEC EDGAR |publisher=U.S. Securities and Exchange Commission |date=2026-02-26}}

The figures are rebuilt with every data refresh, so the reference carries the publication date. Add your own access date if your style requires one.