Data / Foundation grants / Nion Robert Thieriot Foundation
Nion Robert Thieriot Foundation: 8 grants to organizations, $862,000 (tax year ended December 2025)
Nion Robert Thieriot Foundation, a private foundation in Elk Mountain, WY, paid 8 grants to organizations totaling $862,000 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on May 14, 2026. The largest was $252,000 to Greenagers in South Egremont, MA for donation.
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- EIN
- 830332938
- Based in
- Elk Mountain, WY
- Assets
- $17,686,917
- Grants paid
- $862,000
- Tax year ended
- December 2025
Grants paid, tax year ended December 2025
From the Form 990-PF filed May 14, 2026, IRS object ID 202631349349102538. It reported $862,000 in grants paid; 8 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Greenagers | South Egremont, MA | Donation | Food, agriculture and nutrition | $252,000 | apps.irs.gov |
| Berkshire Natural Resources Council | Pittsfield, MA | Donation | $175,000 | apps.irs.gov | |
| New Marlborough Land Trust | Southfield, MA | Donation | $150,000 | apps.irs.gov | |
| Sonoma Land Trust | Santa Rosa, CA | Donation | Environment | $130,000 | apps.irs.gov |
| Massachusetts Spca | Boston, MA | Donation | $50,000 | apps.irs.gov | |
| Monterey Preservation Land Trust | Monterey, MA | Donation | Environment | $50,000 | apps.irs.gov |
| The Nature Conservancy | San Francisco, CA | Donation | $50,000 | apps.irs.gov | |
| Sturgeon's Mill Restoration Project | Sebastopol, CA | Donation | $5,000 | apps.irs.gov |
Grants paid, tax year ended December 2024
From the Form 990-PF filed November 17, 2025, IRS object ID 202513219349105266. It reported $725,000 in grants paid; 8 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| New Marlborough Land Trust | Southfield, MA | Donation | $225,000 | apps.irs.gov | |
| The Nature Conservancy | San Francisco, CA | Donation | $200,000 | apps.irs.gov | |
| Berkshire Natural Resources Council | Pittsfield, MA | Donation | $175,000 | apps.irs.gov | |
| Massachusetts Spca | Boston, MA | Donation | $50,000 | apps.irs.gov | |
| Greenagers | South Egremont, MA | Donation | Food, agriculture and nutrition | $25,000 | apps.irs.gov |
| Sonoma Land Trust | Santa Rosa, CA | Donation | Environment | $25,000 | apps.irs.gov |
| Monterey Preservation Land Trust | Monterey, MA | Donation | Environment | $20,000 | apps.irs.gov |
| Sturgeon's Mill Restoration Project | Sebastopol, CA | Donation | $5,000 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Food, agriculture and nutrition | $277,000 |
| Environment | $225,000 |
States funded
| Recipient state | Granted |
|---|---|
| Massachusetts | $1,172,000 |
| California | $415,000 |
Also on SpecStream
- Who funds food, agriculture and nutrition in Massachusetts
- Who funds environment in California
- Who funds environment in Massachusetts
Updated May 14, 2026. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.