From public IRS filings
MOZILLA FOUNDATION
SAN FRANCISCO, CA · Science & Technology
Mission
MOZILLA FOUNDATION WORKS WITH A BROAD MOVEMENT OF PEOPLE, PROJECTS, AND ORGANIZATIONS TO PROTECT AND IMPROVE THE INTERNET AS A PUBLIC RESOURCE. WE STRIVE TO KEEP THE INTERNET OPEN AND ACCESSIBLE TO ALL, AND TO PROMOTE MORE TRUSTWORTHY TOOLS, INNOVATION, AND PRACTICES ONLINE.
Financials (IRS Form 990)
Total revenue
$37.2M
Total expenses
$41.2M
Total assets
$123.3M
Source: IRS Form 990, tax year 2025.
Who funds MOZILLA FOUNDATION
$9.3M in foundation grants on record from 36 funders — from IRS 990 grant line items.
| Funder | Total given | Grants |
|---|---|---|
| Donor Advised Charitable Giving | $667K | 4 |
| Internet Society Foundation | $350K | 2 |
| American Online Giving Foundation | $280K | 4 |
| Fidelity Investments Charitable Gift Fund | $224K | 2 |
| Septuagenarian Fund | $200K | 1 |
| Vanguard Charitable Endowment Program | $119K | 4 |
| Silicon Valley Community Foundation | $51K | 1 |
| Minneapolis Foundation | $40K | 4 |
| Paypal Charitable Giving Fund | $37K | 2 |
| Raymond James Charitable Endowment Fund | $22K | 1 |
Leadership
MARK SURMAN (Principal officer)
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