Ellen G Adelson Family Foundation | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like Ellen G Adelson Family Foundation. Data shown is extracted from Form 990-PF filings.

EIN: 26-0638885

Foundation Overview

Based in Tulsa, OK, Ellen G Adelson Family Foundation has awarded 28 grants totaling $4,602,999 to organizations in Oklahoma, Ohio and 1 other state across the US. Individual grants range from $500 to $900,000, with a median award of $138,928.5.

Latest Tax Year
2023
Total Giving (all years)
$4,602,999
Total Assets
$15,849,429
Median Grant (all grants)
$138,928.5

Latest Form 990-PF Snapshot

Total Grants
10
Median Grant
$17,400
% Median Grant Decline
-86% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: February 2026

Foundation Intelligence

Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies

New Applicant Friendliness
Balanced Approach: 40%

4 of 10 recipients (40%) were new grantees. Foundation maintains loyal partnerships while remaining open to qualified new applicants with strong proposals.

Geographic Focus
Oklahoma

57% of grants are awarded in Oklahoma, with additional funding distributed across 2 other locations. The foundation balances regional focus with broader geographic diversity. Within Oklahoma, funding concentrates in Tulsa (100%).

Funding Trajectory
-36%

Declining funding trend with 36% decrease over 7 years may indicate reduced grant opportunities or shifting foundation priorities. This trajectory suggests more competitive application environment.

Program Areas
Education + 4 others

Diversified giving across multiple program areas with primary emphasis on education (30%). This broad approach suggests openness to various causes and innovative cross-sector solutions.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into Ellen G Adelson Family Foundation's funding preferences, organizational priorities, and grant making patterns. This historical data helps potential applicants understand the foundation's strategic focus and identify successful funding approaches.

Name Amount Location Purpose Year
The University Of Tulsa $152,857 Tulsa, OK, US Education 2023
The Cleveland Clinic $17,400 Cleveland, OH, US Medical 2023
Cornell University $400,000 Ithaca, NY, US Education 2023
Tulsa Botanic Garden $500 Tulsa, OK, US Environmental 2023
Gilcrease Museum Management Trust $5,000 Tulsa, OK, US Cultural 2023
The University Of Tulsa $152,857 Tulsa, OK, US Education 2023
The Cleveland Clinic $17,400 Cleveland, OH, US Medical 2023
Cornell University $400,000 Ithaca, NY, US Education 2023
Tulsa Botanic Garden $500 Tulsa, OK, US Environmental 2023
Gilcrease Museum Management Trust $5,000 Tulsa, OK, US Cultural 2023
The University Of Tulsa $152,857 Tulsa, OK, US Education 2022
The Cleveland Clinic $17,400 Cleveland, OH, US Medical 2022
Tulsa Community Fndn $125,000 Tulsa, OK, US Community Works 2022
The University Of Tulsa $152,857 Tulsa, OK, US Education 2022
The Cleveland Clinic $17,400 Cleveland, OH, US Medical 2022
Tulsa Community Fndn $125,000 Tulsa, OK, US Community Works 2022
The University Of Tulsa $152,857 Tulsa, OK, US Education 2022
The Cleveland Clinic $17,400 Cleveland, OH, US Medical 2022
Tulsa Community Fndn $125,000 Tulsa, OK, US Community Works 2022
Cornell University $250,000 Ithaca, NY, US Education 2021
The University Of Tulsa $157,857 Tulsa, OK, US Education 2021
Cornell University $250,000 Ithaca, NY, US Education 2020
The University Of Tulsa $152,857 Tulsa, OK, US Education 2020
1921 Tulsa Race Massacre Centennial Fund $50,000 Tulsa, OK, US Civic 2020
Cornell University $400,000 Ithaca, NY, US Educational 2018
Cornell University $400,000 Ithaca, NY, US Educational 2017
Tulsa Community Foundation $5,000 Tulsa, OK, US Civic 2017
Cornell University $900,000 Ithaca, NY, US Educational 2016

Foundations Similar to Ellen G Adelson Family Foundation

Discover 5 foundations with comparable assets ($10,876,535-$20,002,375), similar grant patterns, and geographic focus in OK that may also align with your organization's funding needs and grant seeking strategy.

Foundation Name Total Assets Typical Grant Size Service Area Similarity Match

EIN: 73-1589395 | 53 grants awarded
$15,549,713
(≈ Similar)
$100,000
median grant
Broken Arrow, OK
Same state
99%
Excellent match

EIN: 26-2151892 | 40 grants awarded
$17,973,373
(≈ Similar)
$75,498
median grant
Alva, OK
Same state
93%
Excellent match

EIN: 81-6856059 | 48 grants awarded
$11,942,273
(↓ Smaller)
$100,000
median grant
Tulsa, OK
Same state
88%
Excellent match

EIN: 73-1293858 | 24 grants awarded
$20,002,375
(↑ Larger)
$195,000
median grant
Tulsa, OK
Same state
87%
Excellent match

EIN: 85-6152424 | 22 grants awarded
$10,876,535
(↓ Smaller)
$161,795.5
median grant
Tulsa, OK
Same state
84%
Excellent match

Contact Information

Official contact details for Ellen G Adelson Family Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 26-0638885
Website N/A
Address 15 E 5TH ST STE 3200 Tulsa, OK 74103-4340

Key People (1)

Board members, trustees, and key staff who oversee Ellen G Adelson Family Foundation's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.

Trustee Ellen G Adelson

Forms 990-PF

IRS Form 990-PF filings provide comprehensive financial information, grant details, and operational data. These documents are essential resources for understanding foundation capacity, giving patterns, and strategic priorities.

Form 990-PF Research Tips
  • Review Part XV for detailed grant recipient information and funding purposes
  • Check Part I for total assets, annual giving amounts, and payout requirements
  • Examine Part VIII for key personnel compensation and board structure
  • Look for trends across multiple years to understand giving patterns

About This Foundation Profile

This comprehensive foundation profile for Ellen G Adelson Family Foundation is powered by Grant Bay's advanced foundation research platform. Our system analyzes IRS Form 990-PF filings, grant histories, and philanthropic patterns to provide nonprofit organizations with actionable intelligence for grant seeking success.

Data Sources & Accuracy

All information is derived from official IRS filings and public records. Grant Bay processes thousands of Form 990-PF documents to extract grant details, financial data, and organizational information. Data accuracy depends on foundation reporting quality and IRS filing completeness.

Research Applications

Use this profile for prospect research, grant strategy development, application preparation, and relationship building. Combine this data with additional research on foundation priorities, application processes, and board member backgrounds for comprehensive grant seeking strategies.

Data Currency: Last updated February 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.