ANTHONY AND DOROTHY RIDDLE FAMILY FOUNDATION
Data sourced from IRS 990-PF public filings
Funds scholarships in the arts and culture, primarily through the University of Colorado Foundation, and supports multicultural interactions in STEM education in Boulder, Colorado.
ANTHONY AND DOROTHY RIDDLE FAMILY FOUNDATION has 24 grants on file funding 11 organizations. Giving increased from $37,000 in 2024 to $40,000 in 2025. Reported assets: $575,364.
Total Assets
$575,364
Grants (Last Year)
$40,000
Total Grants on File
24
Recipients Funded
11
Giving History
| Year | Total Granted | Grants Made | Avg Grant |
|---|---|---|---|
| 2025 | $40,000 | 6 | $6,667 |
| 2024 | $37,000 | 5 | $7,400 |
| 2023 | $37,000 | 4 | $9,250 |
| 2022 | $36,000 | 4 | $9,000 |
| 2021 | $42,000 | 5 | $8,400 |
Top Grant Recipients
DENVER, CO
DENVER, CO
DENVER, CO
DENVER, CO
DENVER, CO
WEST HOLLYWOOD, CA
LAKEWOOD, CO
ESCONDIDO, CA
BOULDER, CO
Showing top 10 of 24 grants on file.
Officers & Trustees
From 2025 IRS 990-PF filing (data available for 6 filing years)
Kathryn Riddle Penzkover
1
Christopher Cooper Riddle
1
Dorothy Kathryn Riddle
1
IRS Filing History
ANTHONY AND DOROTHY RIDDLE FAMILY FOUNDATION has IRS 990-PF filings on record for 6 years, spanning 2020 to 2025.
Frequently Asked Questions
Other Foundations in Colorado
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