Ellen G Adelson Family Foundation

Private foundation · Grantmaker Tulsa, OK EIN: 26-0638885

Ellen G Adelson Family Foundation is a private foundation, based in Tulsa, OK. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $8.9M in total assets. In 2025, it awarded 5 grants totaling $970K. Net investment income was $628K.

Key facts about Ellen G Adelson Family Foundation

In short: Ellen G Adelson Family Foundation gave $970K across 5 grants in 2025 (avg $194K), mostly in New York. Source: 2025 IRS Form 990-PF.

EIN
26-0638885
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$970,307
Grants made (2025)
5
Average grant
$194,061
Median grant
$152,407
Total assets
$8,904,631
Primary geography
New York (57% of itemized 2025 grant dollars)

Data from IRS Form 990-PF, 2025; updated September 2026.

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

$8.9M

-3.4% YoY

Annual Giving

$970K

+33.8% YoY

Grant Count

5

+25.0% YoY

Avg Grant Size

$194K

+7.0% YoY

Under IRS private-foundation payout rules, Ellen G Adelson Family Foundation reported a distributable amount of $757K for 2025 — the minimum it must pay out in qualifying distributions.

How Ellen G Adelson Family Foundation gives

  • Giving grew 229% from 2022 to 2025. Method
  • In 2025 it paid out 129% of its IRS minimum distribution (the 5% rule). Method

From the foundation's IRS Form 990-PF filings. Methodology.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

4states

Share of 2025 grant dollars across all 5 itemized grants.

Cities

TulsaIthacaClevelandPhiladelphia

Giving Over Time

Total grant dollars and number of grants per year

$0$250K$500K$750K$1M0 grants2019 3 grants2020 2 grants2021 3 grants2022 5 grants2023 4 grants2024 5 grants2025

From 2020 to 2025, annual grant giving ranged from $295K (2022) to $970K (2025). In 2025 it made 5 grants totaling $970K.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 5 recipients in 2025

Cornell University: $550KCornell University$550KZarrow Retirement Center: $250KZarrow Retirement Center$250KThe University of Tulsa: $152KThe University of Tulsa$152KThe Cleveland Clinic: $17KThe Cleveland Clinic$17KMoore College of Art & Design: $500Moore College of Art & Design$500

The largest 2025 recipient was Cornell University ($550K). Together the top 5 received $970K.

Grant Size Distribution

19 grants across all recorded years

8<$50K$50–100K6$100–250K3$250–500K2$500K–1M$1–5M$5M+

The most common grant size was under $50K: 8 grants of 19 (42%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Cornell University Ithaca, NYEducation$550,000
Zarrow Retirement Center Tulsa, OKEducation$250,000
The University of Tulsa Tulsa, OKEducation$152,407
The Cleveland Clinic Cleveland, OHMedical$17,400
Moore College of Art & Design Philadelphia, PAEducation$500

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$500K$1M$1.5M$2M2019 2020 2021 2022 2023 2024 2025
Metric202520242023
Total Assets$8,904,631$9,217,738$9,225,173
Revenue$704,292$780,063$1,281,397
Expenses$1,017,399$787,498$617,633
Qualifying Distributions$977,563$731,294$582,662
Net Investment Income$628,369$710,879$1,211,894
Distributable Amount$756,788$783,500$721,815

Data update history

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 14, 2025)
  2. Updated Form 990-PF for fiscal year 2025 (received by the IRS May 4, 2026)
  3. Added Form 990-PF for fiscal year 2019 (received by the IRS July 15, 2020)
  4. Updated Form 990-PF for fiscal year 2020 (received by the IRS November 11, 2021)
  5. Updated Form 990-PF for fiscal year 2021 (received by the IRS July 21, 2022)
  6. Updated Form 990-PF for fiscal year 2022 (received by the IRS July 24, 2023)
  7. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 1, 2024)

Leadership & Key People

Officers and directors from IRS filings

Ellen G Adelson Family Foundation is led by Ellen G. Adelson, Trustee on every filing since 2019 — the only officer listed, and uncompensated.

Officers on the 2025 filing

  • Ellen G. Adelson

    Trustee

    On filings since 2019

    No compensation reported

Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about Ellen G Adelson Family Foundation

How much does Ellen G Adelson Family Foundation give each year?

Ellen G Adelson Family Foundation gave $970K across 5 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $725K across 4 grants.

What is Ellen G Adelson Family Foundation's typical grant size?

Ellen G Adelson Family Foundation's median grant in 2025 was $152,407, and its average grant was $194,061, across 5 grants on its 2025 IRS Form 990-PF.

Where does Ellen G Adelson Family Foundation give grants?

Ellen G Adelson Family Foundation gives mostly in New York: 57% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Oklahoma (41%). The most frequent recipient cities were Tulsa, OK (2 grants).

Does Ellen G Adelson Family Foundation give general operating support?

Not in 2025: none of the 5 grants with a stated purpose on Ellen G Adelson Family Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Education" (4 grants).

Who are Ellen G Adelson Family Foundation's largest grantees?

Ellen G Adelson Family Foundation's largest 2025 grantees include Cornell University ($550,000), Zarrow Retirement Center ($250,000) and The University of Tulsa ($152,407), according to its 2025 IRS Form 990-PF. Together they received 98% of its itemized 2025 grant dollars.

How large is Ellen G Adelson Family Foundation?

Ellen G Adelson Family Foundation reported $8.9M in total assets on its 2025 IRS Form 990-PF. It paid out $978K in qualifying distributions that year, against a required minimum of $757K (roughly 5% of its investment assets).

What is Ellen G Adelson Family Foundation's EIN?

Ellen G Adelson Family Foundation's EIN (Employer Identification Number) is 26-0638885. IRS Form 990 filing data is available on this page for 2019–2025.

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

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