Harry Anderson and Mary Margaret

Private foundation · Grantmaker Atherton, CA EIN: 94-3086311

Harry Anderson and Mary Margaret is a private foundation, based in Atherton, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $503K in total assets. In 2024, it awarded 1 grant totaling $15K.

Harry Anderson and Mary Margaret at a glance

In short: Harry Anderson and Mary Margaret gave $15K across 1 grant in 2024 (avg $15K), mostly in California. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$15,000
+11.1% vs 2023
Grants made (2024)
1
-50.0% vs 2023
Average grant
$15,000
+122.2% vs 2023
Median grant
$15,000
Total assets
$503,364
-5.6% vs 2023
Primary geography
California (100% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated September 2026.

Who Harry Anderson and Mary Margaret funds

How this funder distributes its grants

Top Recipients

Top recipient in 2024

Stanford University: $15KStanford University$15K

The largest 2024 recipient was Stanford University ($15K).

Grant Size Distribution

4 grants across all recorded years

4<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 4 grants of 4 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of the 2024 grant dollars on its one itemized grant.

States

Cities

StanfordDavis

How Harry Anderson and Mary Margaret gives

  • In 2024 it paid out 37% 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

$0$10K$20K$30K0 grants2020 0 grants2021 1 grant2022 2 grants2023 1 grant2024

From 2022 to 2024, annual grant giving ranged from $14K (2023) to $25K (2022). In 2024 it made 1 grant totaling $15K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Stanford University Stanford, CAMuseums by Moonlight Event Support$15,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$503,364$33,044$63,182$15,0001$15,000—$40,461
2023$533,502$67,799$92,237$13,5002$13,500—$37,277
2022$557,940$179,065$69,138$25,0001$25,000$134,927$38,031
2021$448,013$15,922$48,168——$23,649——
2020$480,259$14,187$19,231———$12,880—

Under IRS private-foundation payout rules, Harry Anderson and Mary Margaret reported a distributable amount of $40K for 2024 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Harry Anderson and Mary Margaret is led by Mary Pence, Chairman & CEO since 2023 (on filings since 2020); none of the 2 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Mary Pence

    Chairman & CEO

    CEO & CFO → Chairman & CEO, 2023

    On filings since 2020

    1 hr/week

    No compensation reported

  • Devin Lennon

    CFO, Treasurer & Secretary

    Secretary → CFO, Treasurer & Secretary, 2023

    On filings since 2020

    1 hr/week

    No compensation reported

Data from IRS Form 990 filings, 2020–2024. "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 Harry Anderson and Mary Margaret

How much does Harry Anderson and Mary Margaret give each year?

Harry Anderson and Mary Margaret gave $15K across 1 grant in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $14K across 2 grants.

How large is Harry Anderson and Mary Margaret?

Harry Anderson and Mary Margaret reported $503K in total assets on its 2024 IRS Form 990-PF. It paid out $15K in qualifying distributions that year, against a required minimum of $40K (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 Harry Anderson and Mary Margaret operate?

Harry Anderson and Mary Margaret has awarded grants in California.

What is Harry Anderson and Mary Margaret's EIN?

Harry Anderson and Mary Margaret's EIN (Employer Identification Number) is 94-3086311. IRS Form 990 filing data is available on this page for 2020–2024.

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

  1. IRS filings on file for fiscal years 2020–2024

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Harry Anderson and Mary Margaret'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.

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