Private Foundation

MUNGER CHARITABLE TRUST NUMBER SIX C/O WILLIAM BORTHWICK

MUNGER CHARITABLE TRUST NUMBER SIX C/O WILLIAM BORTHWICK, of PASADENA, CA, is a Private Foundation tracked in Imperigo's IRS 990 database. The 2025 filing shows $128.4M in revenue, $104K in expenses, $158.5M in total assets. IRS filings disclose 8 grants awarded by this foundation, totaling roughly $240K.

EIN: 276085555 PASADENA, CA Latest filing: 2025

Total Revenue$128.4M

Total Expenses$104K

Total Assets$158.5M

Grants Given8

Grant Total$240K

Filing Years2021–2025

Sample Grants Given

SMITHSONIAN INSTITUTION

WASHINGTON, DC · 2024

GENERAL SUPPORT

$100,000

SMITHSONIAN INSTITUTION

WASHINGTON, DC · 2023

GENERAL SUPPORT

$24,000

SMITHSONIAN INSTITUTION

WASHINGTON, DC · 2022

GENERAL SUPPORT

$26,000

SMITHSONIAN INSTITUTION

WASHINGTON, DC · 2021

GENERAL SUPPORT

$21,000

WORLD LEARNING

WASHINGTON, DC · 2020

GENERAL SUPPORT

$20,000

Showing up to 5 of 8 total records — full history available with membership.

Officers & Directors

TRUSTEE William H Borthwick

Officer compensation and complete director data available with membership.

Top Grant Purposes

GENERAL SUPPORT

$211,000 6 grants

general purposes

$28,500 2 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$128.4M	$104K	$158.5M
2024	$25K	$26K	$110K
2023	$22K	$28K	$111K
2022	$17K	$23K	$117K
2021	$15K	$21K	$123K

Between 2021 and 2025, reported annual revenue grew from $15K to $128.4M (+843970%), with total assets most recently reported at $158.5M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in DC, VT.

DCVT

Full geographic grant map with state-by-state breakdown available with membership.

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