The Greta a Rosenberg-Witt Private

Foundation · Grantmaker Aventura, FL EIN: 65-6475171

The Greta a Rosenberg-Witt Private is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in Aventura, FL. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $496K in total assets. In 2024, it awarded 1 grant totaling $36K. Net investment income was $22K.

Key facts about The Greta a Rosenberg-Witt Private

In short: The Greta a Rosenberg-Witt Private gave $36K across 1 grant in 2024 (avg $36K), mostly in Massachusetts. Source: 2024 IRS Form 990-PF.

EIN
65-6475171
Latest 990 filing
Form 990-PF, 2024
Annual giving (2024)
$35,990
Grants made (2024)
1
Average grant
$35,990
Median grant
$35,990
Total assets
$495,607
Primary geography
Massachusetts (100% of itemized 2024 grant dollars)

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

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$496K

-0.9% YoY

Annual Giving

$36K

+1.0% YoY

Grant Count

1

+0.0% YoY

Avg Grant Size

$36K

+1.0% YoY

Under IRS private-foundation payout rules, The Greta a Rosenberg-Witt Private reported a distributable amount of $37K for 2024 — the minimum it must pay out in qualifying distributions.

How The Greta a Rosenberg-Witt Private gives

  • Giving grew 26% from 2021 to 2024. Method
  • In 2024 it paid out 98% 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.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of all 1 itemized 2024 grant dollars.

Cities

Boston

Giving Over Time

Total grant dollars and number of grants per year

$0$10K$20K$30K$40K1 grants20201 grants20211 grants20221 grants20231 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 1 recipients in 2024

Harvard Medical School: $36KHarvard Medical School$36K

Grant Size Distribution

5 grants across all recorded years

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

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
HARVARD MEDICAL SCHOOL Boston, MABRAIN RESEARCH & PSYCHIATRIC DISEASE$35,990

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$20K$40K$60K$80K20202021202220232024
Metric202420232022
Total Assets$495,607$500,282$496,611
Revenue$20,290$24,468$24,023
Expenses$39,565$37,402$37,492
Qualifying Distributions$35,990$35,636$28,335
Net Investment Income$21,965$18,349$19,023
Distributable Amount$36,661$37,916$32,467

Data update history

When this profile's IRS filing data changed on Grantable

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

Leadership & Key People

Officers and directors from IRS filings

The Greta a Rosenberg-Witt Private is led by Marlene Zuckerman, Trustee on every filing since 2020 — the only officer listed, and uncompensated.

Officers on the 2024 filing

  • Marlene Zuckerman

    Trustee

    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 Greta a Rosenberg-Witt Private

How much does The Greta a Rosenberg-Witt Private give each year?

The Greta a Rosenberg-Witt Private gave $36K across 1 grant in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $36K across 1 grant.

How large is The Greta a Rosenberg-Witt Private?

The Greta a Rosenberg-Witt Private reported $496K in total assets on its 2024 IRS Form 990-PF. It paid out $36K in qualifying distributions that year, against a required minimum of $37K (roughly 5% of its investment assets).

What is The Greta a Rosenberg-Witt Private?

The Greta a Rosenberg-Witt Private is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in Aventura, FL. It holds $496K in total assets as of 2024.

Where does The Greta a Rosenberg-Witt Private operate?

The Greta a Rosenberg-Witt Private has awarded grants in Massachusetts.

What is The Greta a Rosenberg-Witt Private's EIN?

The Greta a Rosenberg-Witt Private's EIN (Employer Identification Number) is 65-6475171. 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.

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