The Susan Thompson Buffett Foundation
OMAHA, NE EIN: 47-6032365
Financial Overview
From 2024 IRS Form 990-PF
Total Assets
$2.8B
+24.9% YoY
Annual Giving
$908.8M
+30.7% YoY
Grant Count
398
+6.7% YoY
Avg Grant Size
$2.3M
+22.5% YoY
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Financial History
Multi-year comparison from IRS filings
Revenue
Expenses
Qualifying Distributions
Net Investment Income
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $2,839,484,794 | $2,272,738,773 | $1,922,627,251 |
| Revenue | $1,717,825,889 | $1,270,458,581 | $958,109,905 |
| Expenses | $996,611,994 | $763,281,148 | $547,735,315 |
| Qualifying Distributions | $987,011,618 | $756,422,797 | $542,860,673 |
| Net Investment Income | $591,728,411 | $370,145,905 | $174,754,263 |
| Distributable Amount | $115,799,032 | $96,991,476 | $82,518,256 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
1,973 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Who else does The Susan Thompson Buffett Foundation fund?
Explore the funder–grantee relationships behind this foundation, powered by GrantGraph™ — our database of 11 million+ funding connections.
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Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| ALLEN GREENBERG | PRESIDENT/DIRECTOR | 40 | $854,537 |
| MICHELLE MARTINSON | SEC. & TREAS./VICE PRESIDENT FINANCE | 40 | $394,829 |
| SUSAN A BUFFETT | BOARD CHAIR | 1 | — |
| PETER A BUFFETT | DIRECTOR | 1 | — |
| ALLISON COWAN | DIRECTOR THRU 11/22/24 | 1 | — |
| GEOFFREY COWAN | DIRECTOR THRU 11/22/24 | 1 | — |
| CAROL LOOMIS | DIRECTOR THRU 11/22/24 | 1 | — |
| PATTI MATSON | DIRECTOR THRU 11/22/24 | 1 | — |
| WALLACE WEITZ | DIRECTOR THRU 11/22/24 | 1 | — |
| EMILY GREENBERG | DIRECTOR | 1 | — |
Geographic Focus
Where this funder has awarded grants
Grant Distribution by State
District of Columbia $756.0M (37%)
New York $356.2M (17%)
Nebraska $205.0M (10%)
California $137.0M (7%)
Maryland $85.6M (4%)
Massachusetts $54.7M (3%)
Colorado $50.2M (2%)
North Carolina $49.8M (2%)
+35 more states
States
AlabamaArkansasArizonaCaliforniaColoradoConnecticutDistrict of ColumbiaFloridaGeorgiaHawaiiIowaIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNebraskaNew HampshireNew JerseyNew MexicoNew YorkOhioOregonPennsylvaniaRhode IslandSouth CarolinaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest Virginia
Cities
AlamedaAlbuquerqueAlexandriaAmherstAnn ArborAnnapolis JunctionArlingtonAshburnAtlantaAugustaAuroraAustinBaltimoreBeavertonBellevueBenningtonBerkeleyBerkleyBethesdaBethlehem
Data last updated March 2026. Sourced from IRS Form 990-PF filings.
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