Foundation directory
Nion Robert Thieriot Foundation Grants
Private foundation · EIN 83-0332938 · IRS 990-PF filings through tax year 2025
- Total grants paid
- $1.6M
- Grants reported
- 16
- Median grant
- $50K
- Future commitments
- None reported
Giving by tax year
| Tax year | Grants paid | Amount |
|---|---|---|
| 2025 | 8 | $862K |
| 2024 | 8 | $725K |
Where Nion Robert Thieriot Foundation gives
States of grant recipients reported on the foundation's 990-PF filings, by dollars received.
Massachusetts$1.2MCalifornia$415K
Largest reported grants
The biggest individual grants on file, as reported by the foundation to the IRS.
| Recipient | Location | Purpose | Tax year | Amount |
|---|---|---|---|---|
| GREENAGERS | SOUTH EGREMONT, MA | DONATION | 2025 | $252K |
| NEW MARLBOROUGH LAND TRUST | SOUTHFIELD, MA | DONATION | 2024 | $225K |
| THE NATURE CONSERVANCY | SAN FRANCISCO, CA | DONATION | 2024 | $200K |
| BERKSHIRE NATURAL RESOURCES COUNCIL | PITTSFIELD, MA | DONATION | 2024 | $175K |
| BERKSHIRE NATURAL RESOURCES COUNCIL | PITTSFIELD, MA | DONATION | 2025 | $175K |
| NEW MARLBOROUGH LAND TRUST | SOUTHFIELD, MA | DONATION | 2025 | $150K |
| SONOMA LAND TRUST | SANTA ROSA, CA | DONATION | 2025 | $130K |
| MONTEREY PRESERVATION LAND TRUST | MONTEREY, MA | DONATION | 2025 | $50K |
| THE NATURE CONSERVANCY | SAN FRANCISCO, CA | DONATION | 2025 | $50K |
| MASSACHUSETTS SPCA | BOSTON, MA | DONATION | 2025 | $50K |
| MASSACHUSETTS SPCA | BOSTON, MA | DONATION | 2024 | $50K |
| GREENAGERS | SOUTH EGREMONT, MA | DONATION | 2024 | $25K |
| SONOMA LAND TRUST | SANTA ROSA, CA | DONATION | 2024 | $25K |
| MONTEREY PRESERVATION LAND TRUST | MONTEREY, MA | DONATION | 2024 | $20K |
| STURGEON'S MILL RESTORATION PROJECT | SEBASTOPOL, CA | DONATION | 2025 | $5K |
| STURGEON'S MILL RESTORATION PROJECT | SEBASTOPOL, CA | DONATION | 2024 | $5K |
How to apply
This foundation reports on its 990-PF that it only makes contributions to preselected organizations and does not accept unsolicited applications.
About this data
Figures are aggregated from Nion Robert Thieriot Foundation's IRS Form 990-PF electronic filings (2 filings on file, most recent tax year 2025). Totals reflect grants the foundation reported as paid, and can lag the current year because foundations file annually and often on extension. Source: IRS 990-PF e-file archive.