Charity Filings Record

United States ยท 501(c)(3) tax-exempt organisation

Mozilla Foundation: financial filings

Mozilla Foundation is a US tax-exempt organisation (files Form 990) based in San Francisco, CA. The figures below are taken from its annual filings to the Internal Revenue Service as published by ProPublica Nonprofit Explorer, for the 5 most recent tax periods available.1

IdentifierEIN 20-0097189
RegulatorInternal Revenue Service
Income, year to 31 December 2023USD 64.7 million
ExpenditureUSD 39.8 million
Total assetsUSD 124.2 million

Filings by year

2019: 28.4 million2019: 21.9 million20192020: 26.5 million2020: 18.2 million20202021: 30.7 million2021: 23.3 million20212022: 49.7 million2022: 30.3 million20222023: 64.7 million2023: 39.8 million2023
Total incomeTotal expenditure
Year endingFormIncomeExpenditureAssetsGrants paid (990-PF)
31 December 20232Form 990USD 64.7 millionUSD 39.8 millionUSD 124.2 million
31 December 20223Form 990USD 49.7 millionUSD 30.3 millionUSD 95.6 million
31 December 20214Form 990USD 30.7 millionUSD 23.3 millionUSD 77.0 million
31 December 20205Form 990USD 26.5 millionUSD 18.2 millionUSD 66.9 million
31 December 20196Form 990USD 28.4 millionUSD 21.9 millionUSD 55.6 million

Officer and director compensation

Figures are as reported in the filing for each year, in the currency of the filing. Totals are not adjusted for inflation.

Sources

  1. ProPublica Nonprofit Explorer, Mozilla Foundation, Nonprofit Explorer organisation page (IRS data) (21 October 2026)
  2. Internal Revenue Service filing via ProPublica Nonprofit Explorer, Form 990 for the tax period ending 2023-12-31
  3. Internal Revenue Service filing via ProPublica Nonprofit Explorer, Form 990 for the tax period ending 2022-12-31
  4. Internal Revenue Service filing via ProPublica Nonprofit Explorer, Form 990 for the tax period ending 2021-12-31
  5. Internal Revenue Service filing via ProPublica Nonprofit Explorer, Form 990 for the tax period ending 2020-12-31
  6. Internal Revenue Service filing via ProPublica Nonprofit Explorer, Form 990 for the tax period ending 2019-12-31