Anthony and Dorothy Riddle Family Foundation

BOULDER, CO EIN: 73-1631943

Financial Overview

From 2024 IRS Form 990-PF

Total Assets

$576K

+2.7% YoY

Annual Giving

$37K

+0.0% YoY

Grant Count

5

+25.0% YoY

Avg Grant Size

$7K

-20.0% YoY

Go deeper than public filings

PRO
  • Giving trend analysis — growing or declining?
  • Organizations like yours that won grants here
  • Strategic fit assessment for your organization
  • Application timing recommendations

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$17K$34K$52K$69K20202021202220232024
Metric202420232022
Total Assets$576,445$561,556$598,249
Revenue$53,482$13,033$16,515
Expenses$38,593$38,569$38,590
Qualifying Distributions$38,593$38,569$38,590
Net Investment Income$51,887$22,621$19,091
Distributable Amount$40,162$36,088$39,142

Giving Over Time

Total grant dollars and number of grants per year

$0$11K$21K$32K$42K4 grants20205 grants20214 grants20224 grants20235 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 5 recipients in 2024

University of Colorado F…$30KCU Science Discovery$2KColorado Fourteeners$2KBechtel International Ce…$2KInternational Topical St…$1K

Grant Size Distribution

22 grants across all recorded years

22<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Who else does Anthony and Dorothy Riddle Family Foundation fund?

Explore the funder–grantee relationships behind this foundation, powered by GrantGraph™ — our database of 11 million+ funding connections.

PRO
  • Similar orgs that won grants here
  • GrantGraph™ relationship mapping
  • 11M+ connections in GrantGraph™
Explore with Pro

Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
Dorothy Kathryn Riddle11
Christopher Cooper Riddle11
Kathryn Riddle Penzkover11

Geographic Focus

Where this funder has awarded grants

Grant Distribution by State

3states

Cities

BoulderDaculaDenverEscondidoGoldenSan DiegoStanfordWest Hollywood

Data last updated March 2026. Sourced from IRS Form 990-PF filings.

What could you do with Anthony and Dorothy Riddle Family Foundation on Grantable?

  • Assess strategic fit with your organization
  • Get AI-generated opportunity briefs
  • Monitor for new funding opportunities
  • Draft a tailored letter of inquiry