Grants paid by C Stone Foundation C/O Catherine S Campbell
EIN 20-8134458 · San Antonio, TX · Form 990-PF, Part XV · NTEE T22
C Stone Foundation C/O Catherine S Campbell of San Antonio, TX (EIN 20-8134458) reported 59 grants paid totaling $3,679,390 to 31 recipients in tax years 2018–2025, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$3,679,390
59 grants
Recipients
31
distinct organizations
Tax years
2018–2025
6 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2018 | 15 | $370,000 | — |
| 2020 | 8 | $270,000 | — |
| 2022 | 11 | $315,000 | — |
| 2023 | 10 | $275,000 | — |
| 2024 | 7 | $2,244,390 | — |
| 2025 | 8 | $205,000 | — |
Top recipients
The 31 recipients receiving the most from C Stone Foundation C/O Catherine S Campbell, by grants paid, out of 31 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| The Families Scn2a Foundation 47-1963520 | D | Gettysburg, PA | 1 | $984,390 | 2024 |
| United Way of Lewis & Clark Area 81-6017354 | D | Helena, MT | 1 | $500,000 | 2024 |
| Mcc Foundation Inc | U | San Antonio, TX | 1 | $300,000 | 2024 |
| Rocky Mountain College 81-0235407 | B | Billings, MT | 5 | $270,000 | 2025 |
| Singing Waters Montana 84-2444228 | C | Billings, MT | 4 | $240,000 | 2024 |
| Dr Cathy Lord Longitudinal Study of Autism | U | Los Angeles, CA | 1 | $200,000 | 2024 |
| Good Samaritan Ministries 54-1371830 | C | Richmond, VA | 1 | $150,000 | 2024 |
| Exploration Works 81-0541491 | C | Helena, MT | 5 | $140,000 | 2025 |
| The Montana Innocence Project 26-2603477 | C | Missoula, MT | 2 | $100,000 | 2023 |
| Carroll College | U | Helena, MT | 1 | $100,000 | 2018 |
| Helena Symphony | U | Helena, MT | 4 | $80,000 | 2023 |
| Intermountain Children's Home 27-4469949 | D | Helena, MT | 4 | $70,000 | 2023 |
| The Myrna Loy Center 51-0185430 | B | Helena, MT | 4 | $70,000 | 2023 |
| Montana Land Reliance 81-0369262 | C | Helena, MT | 3 | $60,000 | 2022 |
| Central Montana Medical Center Fnd | U | Lewistown, MT | 1 | $50,000 | 2023 |
| Whidbey Camamo Land Trust 91-1261928 | C | Greenbank, WA | 1 | $50,000 | 2023 |
| Camp Mimanagish | U | Billings, MT | 1 | $50,000 | 2018 |
| Central Montana Medical Facilities Inc (dba Central Montana Medical Cent | U | Lewistown, MT | 1 | $50,000 | 2025 |
| Montana History Foundation 81-0435459 | B | Helena, MT | 3 | $35,000 | 2025 |
| UCLA Center for Austism Research and Treatment | U | Los Angeles, CA | 1 | $30,000 | 2022 |
| The Myrna Loy (myrna Loy Center) | U | Helena, MT | 1 | $30,000 | 2025 |
| God's Love Inc 80-0742145 | B | Hermosa Beach, CA | 3 | $30,000 | 2022 |
| Plymouth Congregational Church | U | Helena, MT | 1 | $22,000 | 2018 |
| Montana Community Foundation 81-0450150 | C | Helena, MT | 1 | $20,000 | 2018 |
| American Rivers 23-7305963 | B | Washington, DC | 1 | $10,000 | 2018 |
| Plymouth Congregational Church | U | Mineapolis, MN | 1 | $10,000 | 2024 |
| Kakenya's Dream 26-3658409 | B | Arlington, VA | 2 | $8,000 | 2025 |
| Our Place | U | Helena, MT | 1 | $5,000 | 2023 |
| Max S Baucus Institute 86-3725571 | B | Bozeman, MT | 1 | $5,000 | 2025 |
| Macalester College | U | St Paul, MN | 1 | $5,000 | 2018 |
| Gods Love Inc (god's Love Homeless Shelter) | U | Helena, MT | 1 | $5,000 | 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 59 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Rocky Mountain College Billings, MT | B | $50,000 | paid | General Purpose | 202621969349100112 |
| 2025 | Central Montana Medical Facilities Inc (dba Central Montana Medical Cent Lewistown, MT | U | $50,000 | paid | General Purpose | 202621969349100112 |
| 2025 | Explorationworks Inc Helena, MT | B | $50,000 | paid | General Purpose | 202621969349100112 |
| 2025 | The Myrna Loy (myrna Loy Center) Helena, MT | U | $30,000 | paid | General Purpose | 202621969349100112 |
| 2025 | Montana History Foundation Inc Helena, MT | B | $10,000 | paid | General Purpose | 202621969349100112 |
| 2025 | Max S Baucus Institute Bozeman, MT | B | $5,000 | paid | General Purpose | 202621969349100112 |
| 2025 | Gods Love Inc (god's Love Homeless Shelter) Helena, MT | U | $5,000 | paid | General Purpose | 202621969349100112 |
| 2025 | Kakenya's Dream Arlington, VA | B | $5,000 | paid | General Purpose | 202621969349100112 |
| 2024 | The Families Scn2a Foundation Gettysburg, PA | D | $984,390 | paid | General Purpose | 202522139349100517 |
| 2024 | United Way of Lewis & Clark Area Helena, MT | D | $500,000 | paid | General Purpose | 202522139349100517 |
| 2024 | Mcc Foundation Inc San Antonio, TX | U | $300,000 | paid | General Purpose | 202522139349100517 |
| 2024 | Dr Cathy Lord Longitudinal Study of Autism Los Angeles, CA | U | $200,000 | paid | General Purpose | 202522139349100517 |
| 2024 | Good Samaritan Ministries Richmond, VA | C | $150,000 | paid | General Purpose | 202522139349100517 |
| 2024 | Singing Waters Montana Billings, MT | C | $100,000 | paid | General Purpose | 202522139349100517 |
| 2024 | Plymouth Congregational Church Mineapolis, MN | U | $10,000 | paid | General Purpose | 202522139349100517 |
| 2023 | Whidbey Camamo Land Trust Greenbank, WA | C | $50,000 | paid | General Purpose | 202422429349100427 |
| 2023 | The Montana Innocence Project Missoula, MT | C | $50,000 | paid | General Purpose | 202422429349100427 |
| 2023 | Rocky Mountain College Billings, MT | B | $50,000 | paid | General Purpose | 202422429349100427 |
| 2023 | Central Montana Medical Center Fnd Lewistown, MT | U | $50,000 | paid | General Purpose | 202422429349100427 |
| 2023 | Singing Waters Montana Billings, MT | C | $30,000 | paid | General Purpose | 202422429349100427 |
| 2023 | Exploration Works Helena, MT | C | $10,000 | paid | General Purpose | 202422429349100427 |
| 2023 | The Myrna Loy Center Helena, MT | B | $10,000 | paid | General Purpose | 202422429349100427 |
| 2023 | Intermountain Children's Home Helena, MT | D | $10,000 | paid | General Purpose | 202422429349100427 |
| 2023 | Helena Symphony Helena, MT | U | $10,000 | paid | General Purpose | 202422429349100427 |
| 2023 | Our Place Helena, MT | U | $5,000 | paid | General Purpose | 202422429349100427 |
| 2022 | Singing Waters Montana Billings, MT | C | $60,000 | paid | General Purpose | 202313199349108266 |
| 2022 | The Montana Innocence Project Missoula, MT | C | $50,000 | paid | General Purpose | 202313199349108266 |
| 2022 | Rocky Mountain College Billings, MT | B | $50,000 | paid | General Purpose | 202313199349108266 |
| 2022 | UCLA Center for Austism Research and Treatment Los Angeles, CA | U | $30,000 | paid | General Purpose | 202313199349108266 |
| 2022 | Exploration Works Helena, MT | C | $20,000 | paid | General Purpose | 202313199349108266 |
| 2022 | The Myrna Loy Center Helena, MT | B | $20,000 | paid | General Purpose | 202313199349108266 |
| 2022 | Montana Land Reliance Helena, MT | C | $20,000 | paid | General Purpose | 202313199349108266 |
| 2022 | Intermountain Children's Home Helena, MT | D | $20,000 | paid | General Purpose | 202313199349108266 |
| 2022 | Helena Symphony Helena, MT | U | $20,000 | paid | General Purpose | 202313199349108266 |
| 2022 | Montana History Foundation Helena, MT | B | $15,000 | paid | General Purpose | 202313199349108266 |
| 2022 | God's Love Inc Hermosa Beach, CA | B | $10,000 | paid | General Purpose | 202313199349108266 |
| 2020 | Rocky Mountain College Billings, MT | B | $100,000 | paid | General Purpose | 202112319349101466 |
| 2020 | Singing Waters Montana Billings, MT | C | $50,000 | paid | General Purpose | 202112319349101466 |
| 2020 | Exploration Works Helena, MT | C | $30,000 | paid | General Purpose | 202112319349101466 |
| 2020 | Helena Symphony Helena, MT | U | $20,000 | paid | General Purpose | 202112319349101466 |
| 2020 | Intermountain Children's Home Helena, MT | D | $20,000 | paid | General Purpose | 202112319349101466 |
| 2020 | Montana Land Reliance Helena, MT | C | $20,000 | paid | General Purpose | 202112319349101466 |
| 2020 | The Myrna Loy Center Helena, MT | B | $20,000 | paid | General Purpose | 202112319349101466 |
| 2020 | God's Love Inc Hermosa Beach, CA | B | $10,000 | paid | General Purpose | 202112319349101466 |
| 2018 | Carroll College Helena, MT | U | $100,000 | paid | General Purpose | 201932499349100418 |
| 2018 | Camp Mimanagish Billings, MT | U | $50,000 | paid | General Purpose | 201932499349100418 |
| 2018 | Helena Symphony Helena, MT | U | $30,000 | paid | General Purpose | 201932499349100418 |
| 2018 | Exploration Works Helena, MT | C | $30,000 | paid | General Purpose | 201932499349100418 |
| 2018 | Plymouth Congregational Church Helena, MT | U | $22,000 | paid | General Purpose | 201932499349100418 |
| 2018 | Montana Community Foundation Helena, MT | C | $20,000 | paid | General Purpose | 201932499349100418 |
| 2018 | Intermountain Children's Home Helena, MT | D | $20,000 | paid | General Purpose | 201932499349100418 |
| 2018 | The Myrna Loy Center Helena, MT | B | $20,000 | paid | General Purpose | 201932499349100418 |
| 2018 | Montana Land Reliance Helena, MT | C | $20,000 | paid | General Purpose | 201932499349100418 |
| 2018 | Rocky Mountain College Billings, MT | B | $20,000 | paid | General Purpose | 201932499349100418 |
| 2018 | American Rivers Washington, DC | B | $10,000 | paid | General Purpose | 201932499349100418 |
| 2018 | Montana History Foundation Helena, MT | B | $10,000 | paid | General Purpose | 201932499349100418 |
| 2018 | God's Love Inc Hermosa Beach, CA | B | $10,000 | paid | General Purpose | 201932499349100418 |
| 2018 | Macalester College St Paul, MN | U | $5,000 | paid | General Purpose | 201932499349100418 |
| 2018 | Kakenya's Dream Arlington, VA | B | $3,000 | paid | General Purpose | 201932499349100418 |
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 | 202621969349100112 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.2 | 202522139349100517 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.1 | 202422429349100427 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202313199349108266 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.1 | 202112319349101466 |
| 990PF | 2018 | 2018-12-31 | not stated | 2018v3.1 | 201932499349100418 |
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/208134458.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.