The Periwinkle Foundation
Funding Overview
From IRS Form 990 filings · 2019–2025
Total received
$1.8M
Foundation funders
43
Grants recorded
125
Years covered
2019–2025
Who funds The Periwinkle Foundation?
The Periwinkle Foundation is funded by 43 grantmakers, led by The Whalley Foundation ($275K), The William Stamps Farish Fund ($150K), White Oak Gives Back Inc ($147K). In total, IRS Form 990 filings record $1.8M in grants to The Periwinkle Foundation between 2019–2025.
Show all 43 funders
| Posoli Family Foundation | $19,100 | 1 | 2022 |
| The Ralph H and Ruth J McCullough | $15,000 | 1 | 2025 |
| Jack H & William M Light | $15,000 | 2 | 2024–2025 |
| The Brown Foundation Inc | $15,000 | 3 | 2022–2024 |
| Houston Texans Foundation | $15,000 | 1 | 2022 |
| Forvis Mazars Foundation | $10,000 | 1 | 2024 |
| The WT & Louise J Moran Foundation | $10,000 | 2 | 2020–2021 |
| Marek Family Foundation | $8,500 | 5 | 2020–2025 |
| Network for Good | $6,814 | 1 | 2020 |
| Houston Young Lawyers Foundation | $6,000 | 1 | 2024 |
| K & E Fund Inc | $5,500 | 2 | 2020–2024 |
| US Ventureschmidt Family Foundation | $5,000 | 1 | 2024 |
| Frank Liu Jr Foundation | $5,000 | 1 | 2020 |
| The Sam & Nada Simon Foundation | $4,500 | 1 | 2023 |
| ExxonMobil Foundation | $4,200 | 1 | 2024 |
| Kayne Anderson Capital Advisors | $2,249 | 4 | 2020–2022 |
| Susser Family Foundation | $1,000 | 1 | 2025 |
| The Blend Family Foundation | $200 | 1 | 2023 |
Funding over time
Grant dollars and counts received per year
From 2019 to 2025, annual grant giving ranged from $95K (2019) to $399K (2024). In 2025 it made 14 grants totaling $200K.
What grants has The Periwinkle Foundation received?
Individual grants from IRS Form 990 filings, newest first
| Year | Funder | Purpose | Amount |
|---|---|---|---|
| 2025 | The Whalley Foundation | FUND PROGRAMS | $75,000 |
| 2025 | National Philanthropic Trust | CULTURE & ARTS | $21,000 |
| 2025 | Charities Aid Foundation America | CHARITABLE DONATION | $17,450 |
| 2025 | The Ralph H and Ruth J McCullough | UNRESTRICTED | $15,000 |
| 2025 | Care Camps Foundation | ASSISTANCE FOR CHILDREN WITH CANCER TO ATTEND CAMP | $10,000 |
| 2025 | Charity Guild of Catholic Women of Harris County Inc | Camp Periwinkle support | $10,000 |
| 2025 | The William Stamps Farish Fund | CAMP PERIWINKLE | $10,000 |
| 2025 | Comerica Charitable Trust | FOR THE ORGANIZATION'S GENERAL CHARITABLE PURPOSES | $10,000 |
| 2025 | Kiwanis Foundation of Houston | CHARITABLE | $10,000 |
| 2025 | Harry S & Isabel C Cameron Foundation | General Support | $8,000 |
| 2025 | Houston Junior Woman's Club | Arts in medicine program | $7,000 |
| 2025 | Jack H & William M Light | UNRESTRICTED | $5,000 |
| 2025 | Susser Family Foundation | PHILANTHROPIC | $1,000 |
| 2025 | Marek Family Foundation | TO PROVIDE A COMMUNITY OF HEALING FOR CHILDREN WITH CANCER AND OTHER LIFE-THREATENING ILLNESSES THROUGH EMOTIONALLY-HEALING CAMPS, ARTS, AND SURVIVOR PROGRAMS | $1,000 |
| 2024 | The Whalley Foundation | FUND PROGRAMS | $75,000 |
| 2024 | The Search Foundation | GENERAL SUPPORT | $30,000 |
| 2024 | The Medallion Foundation Inc | CAMP PERIWINKLE | $29,500 |
| 2024 | Austin Community Foundation Inc | GENERAL SUPPORT | $26,000 |
| 2024 | Motorsports Charities Inc | PROGRAM SUPPORT | $25,000 |
| 2024 | Care Camps Foundation | ASSISTANCE FOR CHILDREN WITH CANCER TO ATTEND CAMP | $20,000 |
| 2024 | Texas Children's Hospital | General Support | $20,000 |
| 2024 | The Elkins Foundation | IN SUPPORT OF COMPUTER TECHNOLOGY UPGRADE | $19,460 |
| 2024 | Greater Houston Community Foundation | HUMAN SERVICES | $17,000 |
| 2024 | The William Stamps Farish Fund | CAMP PERIWINKLE | $15,000 |
| 2024 | Harry S & Isabel C Cameron Foundation | General Support | $12,000 |
| 2024 | Jack H & William M Light | UNRESTRICTED | $10,000 |
| 2024 | Forvis Mazars Foundation | Health & Wellness | $10,000 |
| 2024 | Albert & Ethel Herzstein | TOWARDS SUPPORT OF GENERAL OPERATIONS. | $10,000 |
| 2024 | The US Charitable Gift Trust | FOR RECIPIENT'S EXEMPT PURPOSE | $10,000 |
| 2024 | Comerica Charitable Trust | FOR THE ORGANIZATION'S GENERAL CHARITABLE PURPOSES | $10,000 |
Showing 30 most recent of 125 recorded grants.
Frequently Asked Questions
Who funds The Periwinkle Foundation?
The Periwinkle Foundation is funded by 43 grantmakers, led by The Whalley Foundation ($275K), The William Stamps Farish Fund ($150K), White Oak Gives Back Inc ($147K). In total, IRS Form 990 filings record $1.8M in grants to The Periwinkle Foundation between 2019–2025.
Who is The Periwinkle Foundation's largest funder?
The Whalley Foundation is the largest recorded funder of The Periwinkle Foundation, with $275K across 5 grants (2021–2025).
How much grant funding has The Periwinkle Foundation received?
IRS 990 filings record $1.8M in grants to The Periwinkle Foundation across 125 grants from 43 funders between 2019–2025. Filings are published on a delay, so recent grants may not appear yet.
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Grant data is drawn from IRS Form 990 filings via Grantable's GrantGraph™. Filings are published on a delay; recent grants may not appear yet.
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