The William B Wiener Jr Foundation

SHREVEPORT, LA EIN: 72-6024398

TYPE I SUPPORTING ORGANIZATION TO ROCKEFELLER FAMILY FUND, INC. A PUBLIC CHARITY WHOSE MISSION IS TO INITIATE, CULTIVATE, AND FUND STRATEGIC EFFORTS TO PROMOTE A SUSTAINABLE, JUST, FREE, AND PARTICIPATORY SOCIETY.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$4.6M

-22.7% YoY

Annual Giving

$1.1M

-97.9% YoY

Grant Count

1

+0.0% YoY

Avg Grant Size

$1.1M

-97.9% YoY

About The William B Wiener Jr Foundation

Based on IRS filings

The William B Wiener Jr Foundation is a nonprofit organization, based in SHREVEPORT, LA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $4.6M in total assets. In 2024, it awarded 1 grants totaling $1.1M. Net investment income was $658K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

1states

States

Cities

New York

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$15M$30M$44M$59M20202021202220232024
Metric202420232022
Total Assets$4,605,672$5,961,828$43,300,325
Revenue$657,921$30,454,265$2,963,352
Expenses$1,425,085$53,687,881$2,084,275
Qualifying Distributions
Net Investment Income$657,921$30,454,265$2,963,352
Distributable Amount

Giving Over Time

Total grant dollars and number of grants per year

$0$13M$27M$40M$53M1 grants20201 grants20211 grants20221 grants20231 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 1 recipients in 2024

ROCKEFELLER FAMILY FUND …$1.1M

Grant Size Distribution

5 grants across all recorded years

<$50K$50–100K$100–250K$250–500K$500K–1M3$1–5M2$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Rockefeller Family Fund Inc ($1,100,000).

RecipientPurposeAmount
ROCKEFELLER FAMILY FUND INC NEW YORK, NYSUPPORT FOR RFF PROGRAMS: ENVIRONMENT, DEMOCRACY, AND OTHER CHARITABLE PURPOSES$1,100,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
DONALD B WIENERPRESIDENT AND ASST. TREASURER2
MIRANDA KAISERVICE PRESIDENT2
DAVID ROCKEFELLER JRVICE PRESIDENT2
JEFFREY W WEISSSECRETARY2
JAY R HALFONTREASURER AND ASST. SECRETARY2
ELIZABETH MAYOEXECUTIVE DIRECTOR10

Frequently Asked Questions

How large is The William B Wiener Jr Foundation?

As of 2024, The William B Wiener Jr Foundation holds $4.6M in total assets with $658K in annual revenue. It awarded 1 grants totaling $1.1M in 2024.

Where does The William B Wiener Jr Foundation operate?

The William B Wiener Jr Foundation has awarded grants in New York.

What size grants does The William B Wiener Jr Foundation award?

In 2024, The William B Wiener Jr Foundation awarded 1 grants totaling $1.1M — an average of about $1.1M per grant, based on its IRS Form 990 filings.

What is The William B Wiener Jr Foundation's EIN?

The William B Wiener Jr Foundation's EIN (Employer Identification Number) is 72-6024398. IRS Form 990 filing data is available on this page for 2020–2024.

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Data last updated April 2026. Sourced from IRS Form 990-PF filings.

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