The Teton Range reflected in a lake in Grand Teton National Park, Wyoming

Private foundations Elk Mountain, WYtax year 2025

Private foundations in Elk Mountain, WY

1 private foundation based in Elk Mountain, WY filed a 990-PF in the last two years. In their latest returns they gave $862,000 in 8 grants, and 0 say they accept applications.

Foundations with a return in the last two years, each by its latest return (tax year 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

Largest givers

By grants paid, latest return
  1. Nion Robert Thieriot FoundationElk Mountain, WY · tax year 2025 8 grants Preselected only $862,000 giving

Giving by cause

Grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Food and agriculture1 foundation $252,00058% of the total
  2. Environment1 foundation $180,00041% of the total
  3. Arts and culture1 foundation $5,0001% of the total