The Weizenbaum Family Charitable Fund

Private foundation · Grantmaker Pittsburgh, PA EIN: 27-4325766

The Weizenbaum Family Charitable Fund is a private foundation, based in Pittsburgh, PA. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $1.1M in total assets. In 2025, it awarded 4 grants totaling $700K. Net investment income was $546K.

The Weizenbaum Family Charitable Fund at a glance

In short: The Weizenbaum Family Charitable Fund gave $700K across 4 grants in 2025 (avg $175K), mostly in Pennsylvania. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$700,000
-1.4% vs 2024
Grants made (2025)
4
+300.0% vs 2024
Average grant
$175,000
-75.4% vs 2024
Median grant
$147,500
Total assets
$1,080,055
-15.2% vs 2024
Primary geography
Pennsylvania (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 The Weizenbaum Family Charitable Fund funds

How this funder distributes its grants

Top Recipients

Top 4 recipients in 2025

The Tree of Life: $400KThe Tree of Life$400KJewish Federation of Greater Pittsburgh: $290KJewish Federation of GreaterPittsburgh$290KPlanned Parenthood of Western Pennsylvania: $5KPlanned Parenthood of WesternPennsylvania$5KRodef Shalom Congregation: $5KRodef Shalom Congregation$5K

The largest 2025 recipient was The Tree of Life ($400K). Together the top 4 received $700K.

Grant Size Distribution

8 grants across all recorded years

3<$50K$50–100K1$100–250K3$250–500K1$500K–1M$1–5M$5M+

The most common grant size was under $50K: 3 grants of 8 (38%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of 2025 grant dollars across all 4 itemized grants.

States

Cities

Pittsburgh

How The Weizenbaum Family Charitable Fund gives

  • Giving grew 6900% from 2022 to 2025. Method
  • In 2025 it paid out well above 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$200K$400K$600K$800K1 grant2021 1 grant2022 1 grant2023 1 grant2024 4 grants2025

From 2021 to 2025, annual grant giving ranged from $10K (2022) to $710K (2024). In 2025 it made 4 grants totaling $700K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
The Tree of Life Pittsburgh, PADonation$400,000
Jewish Federation of Greater Pittsburgh Pittsburgh, PANorman and Marilyn Weizenbaum Philanthropic Fund$290,000
Planned Parenthood of Western Pennsylvania Pittsburgh, PADonation$5,000
Rodef Shalom Congregation Pittsburgh, PADonation$5,000
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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
2025$1,080,055$549,186$742,584$700,0004$700,000$545,691$9,282
2024$1,273,453$334,035$750,903$710,0001$710,000$293,132$50,366
2023$1,690,321$1,686,341$130,685$110,0001$110,000$105,121$39,116
2022$134,665—$10,015$10,0001$10,000—$6,858
2021$144,680—$350,016$350,0001——$15,026

Under IRS private-foundation payout rules, The Weizenbaum Family Charitable Fund reported a distributable amount of $9K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

The Weizenbaum Family Charitable Fund's 2025 filing lists 3 officers; none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Barbara Weizenbaum

    Director

    On filings since 2021

    No compensation reported

  • Jim Lampl

    Director

    On filings since 2021

    No compensation reported

  • Louis Plung

    Director

    On filings since 2021

    No compensation reported

Former officers (1)
  • Former: Norman Weizenbaum (2021) — Director

Data from IRS Form 990 filings, 2021–2025. "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 The Weizenbaum Family Charitable Fund

How much does The Weizenbaum Family Charitable Fund give each year?

The Weizenbaum Family Charitable Fund gave $700K across 4 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $710K across 1 grant.

What is The Weizenbaum Family Charitable Fund's typical grant size?

The Weizenbaum Family Charitable Fund's median grant in 2025 was $147,500, and its average grant was $175,000, across 4 grants on its 2025 IRS Form 990-PF.

Where does The Weizenbaum Family Charitable Fund give grants?

The Weizenbaum Family Charitable Fund gives mostly in Pennsylvania: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Pittsburgh, PA (4 grants).

Does The Weizenbaum Family Charitable Fund give general operating support?

Not in 2025: none of the 4 grants with a stated purpose on The Weizenbaum Family Charitable Fund's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Donation" (3 grants).

How large is The Weizenbaum Family Charitable Fund?

The Weizenbaum Family Charitable Fund reported $1.1M in total assets on its 2025 IRS Form 990-PF. It paid out $700K in qualifying distributions that year, against a required minimum of $9K (roughly 5% of its investment assets).

What is The Weizenbaum Family Charitable Fund's EIN?

The Weizenbaum Family Charitable Fund's EIN (Employer Identification Number) is 27-4325766. IRS Form 990 filing data is available on this page for 2021–2025.

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

  1. IRS filings on file for fiscal years 2021–2025

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Figures come from The Weizenbaum Family Charitable Fund'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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