Munger Charitable Trust Number Six
Munger Charitable Trust Number Six is a private foundation, based in Pasadena, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $158.5M in total assets. In 2025, it awarded 1 grant totaling $100K. Net investment income was $96K.
Munger Charitable Trust Number Six at a glance
In short: Munger Charitable Trust Number Six gave $100K across 1 grant in 2025 (avg $100K), mostly in District of Columbia. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $100,000
- +316.7% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $100,000
- +316.7% vs 2024
- Median grant
- $100,000
- Total assets
- $158,547,396
- +144550.8% vs 2024
- Primary geography
- District of Columbia (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Munger Charitable Trust Number Six funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Smithsonian Institution ($100K).
Grant Size Distribution
5 grants across all recorded years
The most common grant size was under $50K: 4 grants of 5 (80%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
How Munger Charitable Trust Number Six gives
- Giving grew 376% from 2022 to 2025. Method
- In 2025 it paid out 2% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $20K (2020) to $100K (2025). In 2025 it made 1 grant totaling $100K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Smithsonian Institution Washington, DC | General Support | $100,000 |
Ready to take the next step with Munger Charitable Trust Number Six?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $158,547,396 | $128,383,034 | $104,265 | $100,000 | 1 | $101,808 | $95,854 | $6,762,478 |
| 2024 | $109,607 | $25,081 | $26,428 | $24,000 | 1 | $24,025 | $22,778 | $29,483 |
| 2023 | $110,954 | $22,465 | $28,350 | $26,000 | 1 | $26,000 | $20,215 | $24,209 |
| 2022 | $116,839 | $16,943 | $23,306 | $21,000 | 1 | $21,000 | $14,737 | $26,036 |
| 2021 | $123,201 | $15,210 | $21,210 | $20,000 | 1 | — | $14,010 | $20,806 |
| 2020 | $129,201 | $15,967 | $22,346 | $20,000 | 1 | — | $14,692 | $20,049 |
Under IRS private-foundation payout rules, Munger Charitable Trust Number Six reported a distributable amount of $6.8M for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Munger Charitable Trust Number Six is led by William H. Borthwick, Trustee on every filing since 2020 — the only officer listed, and uncompensated.
Officers on the 2025 filing
William H. Borthwick
Trustee
On filings since 2020
0.5 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "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 Munger Charitable Trust Number Six
How much does Munger Charitable Trust Number Six give each year?
Munger Charitable Trust Number Six gave $100K across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $24K across 1 grant.
How large is Munger Charitable Trust Number Six?
Munger Charitable Trust Number Six reported $158.5M in total assets on its 2025 IRS Form 990-PF. It paid out $102K in qualifying distributions that year, against a required minimum of $6.8M (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
Where does Munger Charitable Trust Number Six operate?
Munger Charitable Trust Number Six has awarded grants in District of Columbia.
What is Munger Charitable Trust Number Six's EIN?
Munger Charitable Trust Number Six's EIN (Employer Identification Number) is 27-6085555. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2025
Live grants for the work Munger Charitable Trust Number Six funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Munger Charitable Trust Number Six's focus areas in our free grants database
Similar Funders
Funders with grantees in common
The North Ridge Foundation
Mill Valley, CA
The North Ridge Foundation supports varied causes, including education, clean-energy policy, children’s media, theatre, environmental stewardship, and racial justice. Its 2025 grants ranged from $1,000 to $85,000, with a median of $1,000, and mainly went to organizations in California, Washington, DC, Vermont, and Washington. It funds only preselected organizations and does not accept unsolicited requests.
Assets
$16K
Grants
42
Total Given
$273K
The Taiji & Naoko Terasaki Family Foundation
Honolulu, HI
Assets
$3.2M
Grants
1
Total Given
$100K
Parley Foundation
New York, NY
To develop, organize, and implement various "parley" conferences. These conferences are designed to facilitate discussion and awareness of various topics related to the health of the oceans and protection and conservation efforts.
Assets
$192K
Grants
3
Total Given
$125K
American Ornithological Society
Chicago, IL
See schedule othe American Ornithological Society (AOS) is an international membership organization that connects ornithologists, science, and bird conservation by supporting science that advances the understanding and conservation of birds, promoting broad access to ornithological science, supporting ornithologists throughout their career paths, and fostering a welcoming, diverse, supportive, and dynamic ornithological community.
Assets
$34.7M
Grants
4
Total Given
$57K
Bowdoin College
Brunswick, ME
It is the mission of the college to engage students of uncommon promise in an intense full-time education of their minds, exploration of their creative faculties, and development of their social and leadership abilities in a four-year course of study and residence that concludes with a baccalaureate degree in the liberal arts. The full text of the college's mission statement is available on the organization's website at https://www.bowdoin.edu/about/mission/index.html (all lower case).
Assets
$3.6B
Grants
5
Total Given
$686K
The Aerospace Corporation
Chantilly, VA
Our purpose is to assist the government and other customers in conception, design, acquisition and operations of space and other complex systems. Mission: Working to improve effectiveness for space operations and end-user communities, contributing to acquisition success and to 100% mission success.
Assets
$1.3B
Grants
9
Total Given
$375K
More similar funders
More Funders in California
The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open
Figures come from Munger Charitable Trust Number Six's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
Munger Charitable Trust Number Six down — hundreds of funders to go?