The Mosk Foundation

Private foundation · Grantmaker Redondo Beach, CA EIN: 95-4247424

The Mosk Foundation is a private foundation, based in Redondo Beach, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $434K in total assets. In 2024, it awarded 4 grants totaling $34K. Net investment income was $18K.

The Mosk Foundation at a glance

In short: The Mosk Foundation gave $34K across 4 grants in 2024 (avg $8K), mostly in California. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$33,800
-18.5% vs 2023
Grants made (2024)
4
-20.0% vs 2023
Average grant
$8,450
+1.9% vs 2023
Median grant
$9,250
Total assets
$434,358
+8.5% 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 The Mosk Foundation funds

How this funder distributes its grants

Top Recipients

Top 4 recipients in 2024

Ukro Charity: $15KUkro Charity$15KCedars Sinai Medical Center: $13KCedars Sinai Medical Center$13KUCLA Foundation: $6KUCLA Foundation$6KPresentation of Mary Catholic Churc: $300Presentation of Mary CatholicChurc$300

The largest 2024 recipient was Ukro Charity ($15K). Together the top 4 received $34K.

Grant Size Distribution

24 grants across all recorded years

24<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 24 grants of 24 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

Share of 2024 grant dollars across all 4 itemized grants.

Cities

Los AngelesBurbankSierra MadreRochesterTarzana

How The Mosk Foundation gives

  • Giving held roughly steady from 2021 to 2024 (+9%). Method
  • In 2021 it paid out 171% of its IRS minimum distribution (the 5% rule). 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$20K$40K$60K3 grants2020 5 grants2021 7 grants2022 5 grants2023 4 grants2024

From 2020 to 2024, annual grant giving ranged from $10K (2020) to $41K (2023). In 2024 it made 4 grants totaling $34K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Ukro Charity Sierra Madre, CACharity$15,000
Cedars Sinai Medical Center Los Angeles, CACharity$13,000
UCLA Foundation Los Angeles, CACharity$5,500
Presentation of Mary Catholic Churc Los Angeles, CACharity$300
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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$434,358$67,842$33,990$33,8004$33,990$17,842—
2023$400,506$67,107$42,565$41,4505$42,565$17,107—
2022$375,964$52,700$29,390$28,5007$29,390$2,700—
2021$352,654$333$34,763$31,0005$31,030—$18,166
2020$378,852$6,503$10,542$10,3173—$6,341$18,776

Leadership & Key People

Officers and directors from IRS filings

The Mosk Foundation is led by Manfred Mosk, President on every filing since 2020; none of the 3 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Manfred Mosk

    President

    On filings since 2020

    1 hr/week

    No compensation reported

  • Helen Backlin

    CFO & Treasurer

    On filings since 2020

    No compensation reported

  • Mona D. Mosk

    Secretary

    On filings since 2020

    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 The Mosk Foundation

How much does The Mosk Foundation give each year?

The Mosk Foundation gave $34K across 4 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $41K across 5 grants.

What is The Mosk Foundation's typical grant size?

The Mosk Foundation's median grant in 2024 was $9,250, and its average grant was $8,450, across 4 grants on its 2024 IRS Form 990-PF.

Where does The Mosk Foundation give grants?

The Mosk Foundation gives mostly in California: 100% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Los Angeles, CA (3 grants).

Does The Mosk Foundation give general operating support?

Not in 2024: none of the 4 grants with a stated purpose on The Mosk Foundation's 2024 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Charity" (4 grants).

How large is The Mosk Foundation?

The Mosk Foundation reported $434K in total assets on its 2024 IRS Form 990-PF. Its revenue that year was $68K.

What is The Mosk Foundation's EIN?

The Mosk Foundation's EIN (Employer Identification Number) is 95-4247424. 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 The Mosk Foundation'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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