Grants paid by Nion Robert Thieriot Foundation
EIN 83-0332938 · Elk Mountain, WY · Form 990-PF, Part XV · NTEE T22
Nion Robert Thieriot Foundation of Elk Mountain, WY (EIN 83-0332938) reported 40 grants paid totaling $3,946,000 to 9 recipients in tax years 2019–2025, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$3,946,000
40 grants
Recipients
9
distinct organizations
Tax years
2019–2025
6 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2019 | 5 | $510,000 | — |
| 2020 | 6 | $590,000 | — |
| 2022 | 5 | $649,000 | — |
| 2023 | 8 | $610,000 | — |
| 2024 | 8 | $725,000 | — |
| 2025 | 8 | $862,000 | — |
Top recipients
The 9 recipients receiving the most from Nion Robert Thieriot Foundation, by grants paid, out of 9 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Berkshire Natural Resources Council 04-2430091 | D | Pittsfield, MA | 6 | $1,270,000 | 2025 |
| The Nature Conservancy 99-1860539 | D | San Francisco, CA | 6 | $1,205,000 | 2025 |
| New Marlborough Land Trust 22-2753704 | B | Southfield, MA | 3 | $430,000 | 2025 |
| Massachusetts Spca | U | Boston, MA | 6 | $290,000 | 2025 |
| Greenagers 46-1728356 | B | South Egremont, MA | 3 | $282,000 | 2025 |
| Sonoma Land Trust 51-0197006 | B | Santa Rosa, CA | 5 | $240,000 | 2025 |
| Monterey Preservation Land Trust 04-2878239 | B | Monterey, MA | 3 | $125,000 | 2025 |
| New England Forestry Foundation 04-2024022 | B | Littleton, MA | 2 | $80,000 | 2020 |
| Sturgeon's Mill Restoration Project 68-0267335 | B | Sebastopol, CA | 6 | $24,000 | 2025 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 40 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Greenagers South Egremont, MA | B | $252,000 | paid | DONATION | 202631349349102538 |
| 2025 | Berkshire Natural Resources Council Pittsfield, MA | D | $175,000 | paid | DONATION | 202631349349102538 |
| 2025 | New Marlborough Land Trust Southfield, MA | B | $150,000 | paid | DONATION | 202631349349102538 |
| 2025 | Sonoma Land Trust Santa Rosa, CA | B | $130,000 | paid | DONATION | 202631349349102538 |
| 2025 | Monterey Preservation Land Trust Monterey, MA | B | $50,000 | paid | DONATION | 202631349349102538 |
| 2025 | Massachusetts Spca Boston, MA | U | $50,000 | paid | DONATION | 202631349349102538 |
| 2025 | The Nature Conservancy San Francisco, CA | D | $50,000 | paid | DONATION | 202631349349102538 |
| 2025 | Sturgeon's Mill Restoration Project Sebastopol, CA | B | $5,000 | paid | DONATION | 202631349349102538 |
| 2024 | New Marlborough Land Trust Southfield, MA | B | $225,000 | paid | DONATION | 202513219349105266 |
| 2024 | The Nature Conservancy San Francisco, CA | D | $200,000 | paid | DONATION | 202513219349105266 |
| 2024 | Berkshire Natural Resources Council Pittsfield, MA | D | $175,000 | paid | DONATION | 202513219349105266 |
| 2024 | Massachusetts Spca Boston, MA | U | $50,000 | paid | DONATION | 202513219349105266 |
| 2024 | Sonoma Land Trust Santa Rosa, CA | B | $25,000 | paid | DONATION | 202513219349105266 |
| 2024 | Greenagers South Egremont, MA | B | $25,000 | paid | DONATION | 202513219349105266 |
| 2024 | Monterey Preservation Land Trust Monterey, MA | B | $20,000 | paid | DONATION | 202513219349105266 |
| 2024 | Sturgeon's Mill Restoration Project Sebastopol, CA | B | $5,000 | paid | DONATION | 202513219349105266 |
| 2023 | The Nature Conservancy San Francisco, CA | D | $255,000 | paid | DONATION | 202443209349104504 |
| 2023 | Berkshire Natural Resources Council Pittsfield, MA | D | $150,000 | paid | DONATION | 202443209349104504 |
| 2023 | New Marlborough Land Trust Southfield, MA | B | $55,000 | paid | DONATION | 202443209349104504 |
| 2023 | Monterey Preservation Land Trust Monterey, MA | B | $55,000 | paid | DONATION | 202443209349104504 |
| 2023 | Massachusetts Spca Boston, MA | U | $50,000 | paid | DONATION | 202443209349104504 |
| 2023 | Sonoma Land Trust Santa Rosa, CA | B | $35,000 | paid | DONATION | 202443209349104504 |
| 2023 | Sturgeon's Mill Restoration Project Sebastopol, CA | B | $5,000 | paid | DONATION | 202443209349104504 |
| 2023 | Greenagers South Egremont, MA | B | $5,000 | paid | DONATION | 202443209349104504 |
| 2022 | Berkshire Natural Resources Council Pittsfield, MA | D | $290,000 | paid | DONATION | 202343199349103119 |
| 2022 | The Nature Conservancy San Francisco, CA | D | $275,000 | paid | DONATION | 202343199349103119 |
| 2022 | Massachusetts Spca Boston, MA | U | $54,000 | paid | DONATION | 202343199349103119 |
| 2022 | Sonoma Land Trust Santa Rosa, CA | B | $25,000 | paid | DONATION | 202343199349103119 |
| 2022 | Sturgeon's Mill Restoration Project Sebastopol, CA | B | $5,000 | paid | DONATION | 202343199349103119 |
| 2020 | Berkshire Natural Resources Council Pittsfield, MA | D | $240,000 | paid | DONATION | 202113079349101446 |
| 2020 | The Nature Conservancy San Francisco, CA | D | $225,000 | paid | DONATION | 202113079349101446 |
| 2020 | New England Forestry Foundation Littleton, MA | B | $50,000 | paid | DONATION | 202113079349101446 |
| 2020 | Massachusetts Spca Boston, MA | U | $47,000 | paid | DONATION | 202113079349101446 |
| 2020 | Sonoma Land Trust Santa Rosa, CA | B | $25,000 | paid | DONATION | 202113079349101446 |
| 2020 | Sturgeon's Mill Restoration Project Sebastopol, CA | B | $3,000 | paid | DONATION | 202113079349101446 |
| 2019 | Berkshire Natural Resources Council Pittsfield, MA | D | $240,000 | paid | DONATION | 202012529349100061 |
| 2019 | The Nature Conservancy San Francisco, CA | D | $200,000 | paid | DONATION | 202012529349100061 |
| 2019 | Massachusetts Spca Boston, MA | U | $39,000 | paid | DONATION | 202012529349100061 |
| 2019 | New England Forestry Foundation Littleton, MA | B | $30,000 | paid | DONATION | 202012529349100061 |
| 2019 | Sturgeon's Mill Restoration Project Sebastopol, CA | B | $1,000 | paid | DONATION | 202012529349100061 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990PF | 2025 | 2025-12-31 | not stated | 2025v4.1 | 202631349349102538 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.2 | 202513219349105266 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.1 | 202443209349104504 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202343199349103119 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.1 | 202113079349101446 |
| 990PF | 2019 | 2019-12-31 | not stated | 2019v5.1 | 202012529349100061 |
Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/830332938.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.