Mary L and William J Osher

Public charity · Grantmaker Houston, TX EIN: 20-5094518

See Schedule OThe purpose of the Mary L. and William J. Osher Foundation, stated in its most general way, is the advancement of the human condition. In more particular terms, as part of its mission, the Foundation will consider the use of its assets for the attainment of advancements relating to the following fields: 1. Human rights 2. Human health 3. Education 4. Maintenance of peace and individual equanimity 5. Further development of the fruits of civilization such as arts and technical development.

Key facts about Mary L and William J Osher

In short: Mary L and William J Osher gave $2.7M across 4 grants in 2025 (avg $668K), top state New Jersey. Source: 2025 IRS Form 990.

EIN
20-5094518
Latest 990 filing
Form 990, 2025
Annual giving (2025)
$2,670,600
Grants made (2025)
4
Average grant
$667,650
Median grant
$575,000
Total assets
$32,368,097
Primary geography
New Jersey (46% of itemized 2025 grant dollars)

Data from IRS Form 990, 2025; updated September 2026.

Financial Overview

From 2025 IRS Form 990 · View filing

Total Assets

$32.4M

+0.2% YoY

Annual Giving

$2.7M

-15.2% YoY

Grant Count

4

+0.0% YoY

Avg Grant Size

$668K

-15.2% YoY

How Mary L and William J Osher gives

  • Giving grew 78% from 2022 to 2025. Method

From the foundation's IRS Form 990 filings. Methodology.

About Mary L and William J Osher

Based on IRS filings

Mary L and William J Osher is a public charity, based in Houston, TX. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $32.4M in total assets. In 2025, it awarded 4 grants totaling $2.7M. Net investment income was $2.0M.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

4states

Share of all 4 itemized 2025 grant dollars.

Cities

HoustonNew YorkTeaneckPortlandSan AntonioBellaire

Giving Over Time

Total grant dollars and number of grants per year

$0$1M$2M$3M$4M4 grants20205 grants20211 grants20222 grants20234 grants20244 grants2025

From 2020 to 2025, annual grant giving ranged from $440K (2020) to $3.1M (2024). In 2025 it made 4 grants totaling $2.7M.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 4 recipients in 2025

American Friends of Leket Israel: $1.2MAmerican Friends of LeketIsrael$1.2MAmerican Jewish Joint Distribution Committee: $850KAmerican Jewish JointDistribution Committee$850KHouston Jewish Community Foundation: $300KHouston Jewish CommunityFoundation$300KJoan and Stanford Alexander Jewish Family Service: $300KJoan and Stanford AlexanderJewish Family Service$300K

The largest 2025 recipient was American Friends of Leket Israel ($1.2M). Together the top 4 received $2.7M.

Grant Size Distribution

16 grants across all recorded years

<$50K1$50–100K3$100–250K5$250–500K4$500K–1M3$1–5M$5M+

The most common grant size was in the $250–500K range: 5 grants of 16 (31%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
American Friends of Leket Israel Teaneck, NJEmergency support$1,220,600
American Jewish Joint Distribution Committee New York, NYGeneral support$850,000
Houston Jewish Community Foundation Houston, TXGeneral support$300,000
Joan and Stanford Alexander Jewish Family Service Houston, TXGeneral support$300,000

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Net Investment Income
$0$1M$2M$3M$4M202020212022202320242025
Metric202520242023
Total Assets$32,368,097$32,305,051$32,332,778
Revenue$1,972,767$1,491,430$764,031
Expenses$3,069,011$3,483,669$932,589
Net Investment Income$2,006,891$1,531,493$828,282

Data update history

When this profile's IRS filing data changed on Grantable

  1. Added Form 990 for fiscal year 2025 (received by the IRS July 13, 2026)
  2. IRS filings on file for fiscal years 2020–2024

Leadership & Key People

Officers and directors from IRS filings

Mary L and William J Osher is led by Michael Rubenstein, President on every filing since 2020; none of the 7 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Michael Rubenstein

    President

    On filings since 2020

    1 hr/week

    No compensation reported

  • Anne Osher

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Elizabeth Osher Del-Pico

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Esther Polland

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Henry P Osher

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Martha Kaplan Freedman

    Trustee

    On filings since 2023

    1 hr/week

    No compensation reported

  • Suzanne Jacobson

    Secretary

    On filings since 2020

    1 hr/week

    No compensation reported

Former officers (1)
  • Former: Benjamin D Rosenberg (2020–2023) — Trustee

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 Mary L and William J Osher

How much does Mary L and William J Osher give each year?

Mary L and William J Osher gave $2.7M across 4 grants in 2025, according to its 2025 IRS Form 990. In 2024 it gave $3.1M across 4 grants.

What is Mary L and William J Osher's typical grant size?

Mary L and William J Osher's median grant in 2025 was $575,000, and its average grant was $667,650, across 4 grants on its 2025 IRS Form 990.

Where does Mary L and William J Osher give grants?

Mary L and William J Osher's top state is New Jersey, with 46% of the grant dollars itemized on its 2025 IRS Form 990. The next largest states were New York (32%) and Texas (22%). The most frequent recipient cities were Houston, TX (2 grants).

Does Mary L and William J Osher give general operating support?

Yes: 75% of Mary L and William J Osher's 2025 grants with a stated purpose (3 of 4) were for general or operating support, per its 2025 IRS Form 990.

How large is Mary L and William J Osher?

Mary L and William J Osher reported $32.4M in total assets on its 2025 IRS Form 990. Its revenue that year was $2.0M.

What is Mary L and William J Osher's EIN?

Mary L and William J Osher's EIN (Employer Identification Number) is 20-5094518. IRS Form 990 filing data is available on this page for 2020–2025.

Data last updated September 2026. Sourced from IRS Form 990 filings.

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