Unlock Full Data

ANTHONY AND DOROTHY RIDDLE FAMILY FOUNDATION

Boulder, CO EIN 73-1631943 Philanthropy & GrantmakingT21 501C3 PRIVATE FOUNDATION
$42K
Revenue
6
Filings
$186K
Total Grants
23
Grant Records
Latest Financial Summary
Fiscal Year Revenue Expenses Net Assets Contributions
FY 2025 $42K $43K $575K $0
Full Financial History
See all 6 years of revenue, expenses, net assets, and more.
Unlock the full profile
Key Officers
D
Dorothy Kathryn Riddle
1
C
Christopher Cooper Riddle
1
K
Kathryn Riddle Penzkover
1
Executive Compensation
View salary, bonus, and total compensation for all officers across all years.
Unlock the full profile
Top Grant Recipients (Teaser)
University of Colorado Foundation $30K
University of Colorado Foundation $30K
University of Colorado Foundation $30K
23 total grants · $186K total giving
Complete Grants Database
Search and filter all 23 grants with recipient EINs, purposes, and year-by-year breakdowns.
Unlock the full profile
Filing History
990PF
FY 2025
Period ended 2025-12-31
IRS990PF
FY 2024
IRS990PF
FY 2023
990PF
FY 2022
990PF
FY 2021
Period ended 2021-12-31
IRS990PF
FY 2020
Similar Organizations Philanthropy & Grantmaking · CO
NORWOOD FOUNDATION COLORADO SPGS
WITTOW FOUNDATION INC DENVER
JEWISHCOLORADO DENVER
DENVER SENEGAL HUMANITARIAN FOUNDATION LITTLETON
ESTHER K & ELMER G BEAMER FOUNDATION ASPEN
MILAGRO FOUNDATION DENVER
Browse all nonprofits in CO →  ·  Browse Philanthropy & Grantmaking →