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THE SUSAN THOMPSON BUFFETT FOUNDATION

EIN 47-6032365 OMAHA, NE

Largest nonprofits in Nebraska

Revenue 2024
$1,717,825,889
Expenses 2024
$996,611,994

As filed

Subsection
03
NTEE code
T22
Classification
1000
Street
808 CONAGRA DR STE 300

These codes are the IRS's own and are shown exactly as filed. What each one means is in the Business Master File documentation (opens in a new tab).

Officers and directors · 2024

As listed in Part VII of the 2024 return, in the order the filer printed them. Each return names its own; this is not a roster the organization keeps with us.

  • Allen Greenberg

    PRESIDENT/DIRECTOR

    Total calculated
    $910,950
    Compensation
    $854,537
    Benefit plans
    $56,413
    Expense account
    $0
    Hours/week
    40
  • Michelle Martinson

    SEC. & TREAS./VICE PRESIDENT FINANCE

    Total calculated
    $479,837
    Compensation
    $394,829
    Benefit plans
    $85,008
    Expense account
    $0
    Hours/week
    40
  • Susan A Buffett

    BOARD CHAIR

    Total calculated
    $0
    Hours/week
    1
  • Peter A Buffett

    DIRECTOR

    Total calculated
    $0
    Hours/week
    1
  • Allison Cowan

    DIRECTOR THRU 11/22/24

    Total calculated
    $0
    Hours/week
    1
  • Geoffrey Cowan

    DIRECTOR THRU 11/22/24

    Total calculated
    $0
    Hours/week
    1
  • Carol Loomis

    DIRECTOR THRU 11/22/24

    Total calculated
    $0
    Hours/week
    1
  • Patti Matson

    DIRECTOR THRU 11/22/24

    Total calculated
    $0
    Hours/week
    1
  • Wallace Weitz

    DIRECTOR THRU 11/22/24

    Total calculated
    $0
    Hours/week
    1
  • Emily Greenberg

    DIRECTOR

    Total calculated
    $0
    Hours/week
    1

Compensation is as filed in Part VII: reportable pay from this organization and from related organizations, other compensation, and hours per week. The total, marked calculated, is our sum of the three dollar columns, with a blank column counted as $0; the form itself has no total. On a Form 990-EZ the columns are Part IV's instead, and on a Form 990-PF Part VIII's — compensation, contributions to benefit plans, and expense account — and the total sums those. Earlier years are each on their own filing page.

Filings

  • 2024
    Revenue
    $1,717,825,889
    Expenses
    $996,611,994
    Contributions
    $1,124,550,105
    Grants paid
    $908,844,493
  • 2023
    Revenue
    $1,270,458,581
    Expenses
    $763,281,148
    Contributions
    $896,662,585
    Grants paid
    $695,209,110
  • 2022
    Revenue
    $958,109,905
    Expenses
    $547,735,315
    Contributions
    $780,996,489
    Grants paid
    $495,514,975

The four totals the IRS asks for on Part I of the Form 990, as filed. A dash means the figure was not present on the return — not that it was zero.

Other returns filed

  • 2021 · 990-PF

    Revenue
    $489,302,262
    Expenses
    $558,499,695
    Assets (EOY)
    $1,642,998,709
  • 2020 · 990-PF

    Revenue
    $438,584,092
    Expenses
    $495,455,837
    Assets (EOY)
    $1,617,409,744
  • 2019 · 990-PF

    Revenue
    $408,692,158
    Expenses
    $838,906,916
    Assets (EOY)
    $2,084,499,584
  • 2018 · 990-PF

    Revenue
    $511,206,837
    Expenses
    $662,351,041
    Assets (EOY)
    $2,364,881,506
  • 2017 · 990-PF

    Revenue
    $304,421,441
    Expenses
    $545,995,780
    Assets (EOY)
    $2,668,799,021
  • 2016 · 990-PF

    Revenue
    $252,863,502
    Expenses
    $677,119,850
    Assets (EOY)
    $2,585,047,110
  • 2015 · 990-PF

    Revenue
    $250,944,405
    Expenses
    $362,371,659
    Assets (EOY)
    $2,494,626,548
  • 2014 · 990-PF

    Revenue
    $246,198,053
    Expenses
    $542,435,885
    Assets (EOY)
    $3,112,058,893
  • 2013 · 990-PF

    Revenue
    $224,133,186
    Expenses
    $681,632,801
    Assets (EOY)
    $2,731,731,558
  • 2012 · 990-PF

    Revenue
    not reported
    Expenses
    $227,742,415
    Assets (EOY)
    $2,384,070,265

Nonprofiteer parses Forms 990, 990-EZ and 990-PF, in a window of recent tax years. These returns are recorded from the IRS e-file index, so their figures were extracted by that index rather than read from the return here — treat them as a different source from the filings above, not as more of the same record. A dash means the index carries no figure; Form 990-T listings carry none at all. Showing the 10 most recent; the API carries the rest.

Grants made

No itemized grants to organizations. Schedule I is filed only by organizations that granted more than $5,000 to a recipient, so most filers have none.

Grants received

Other IRS files

Auto-Revocation List

Not listed. The IRS publishes this list for organizations whose exemption was automatically revoked for failing to file for three consecutive years.

Publication 78

Listed as of 13 October 2026, under deductibility PF.

These are two separate IRS files on two separate schedules, shown as published and not reconciled with each other. Neither is a statement about whether a contribution is deductible today: 19,245 organizations appear in Publication 78 while the IRS's own revocation file lists them as currently revoked, more than half of those revoked before 2019. Absence from Publication 78 is evidence of nothing, and presence is not evidence either. Verify current status with the IRS before relying on it.

What this page reflects

The registration facts above come from the IRS Business Master File published 13 October 2026 and read 1 November 2026, for every organization at once. Returns through tax year 2024, the newest we have parsed for this organization.