Andy and Mariann Youniss Foundation

Private foundation · Grantmaker Wilmington, DE EIN: 81-4478825

Andy and Mariann Youniss Foundation is a private foundation, based in Wilmington, DE. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $12.4M in total assets. In 2024, it awarded 4 grants totaling $220K. Net investment income was $866K.

Key facts about Andy and Mariann Youniss Foundation

In short: Andy and Mariann Youniss Foundation gave $220K across 4 grants in 2024 (avg $55K), mostly in Massachusetts. Source: 2024 IRS Form 990-PF.

EIN
81-4478825
Latest 990 filing
Form 990-PF, 2024
Annual giving (2024)
$220,000
Grants made (2024)
4
Average grant
$55,000
Median grant
$40,000
Total assets
$12,353,594
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

$12.4M

+5.1% YoY

Annual Giving

$220K

-85.6% YoY

Grant Count

4

-20.0% YoY

Avg Grant Size

$55K

-82.0% YoY

Under IRS private-foundation payout rules, Andy and Mariann Youniss Foundation reported a distributable amount of $633K for 2024 — the minimum it must pay out in qualifying distributions.

How Andy and Mariann Youniss Foundation gives

  • Giving fell 56% from 2021 to 2024. Method
  • In 2024 it paid out 41% 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

2states

Share of 2024 grant dollars across all 4 itemized grants.

Cities

BostonMedfordNewtonWashington

Giving Over Time

Total grant dollars and number of grants per year

$0$500K$1M$1.5M$2M3 grants2020 3 grants2021 2 grants2022 5 grants2023 4 grants2024

From 2020 to 2024, annual grant giving ranged from $220K (2024) to $1.5M (2023). In 2024 it made 4 grants totaling $220K.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 3 recipients in 2024

Spoonfuls Inc: $140K across 2 grantsSpoonfuls Inc$140K · 2 grantsBoston Medical Center Corporation: $50KBoston Medical CenterCorporation$50KBerklee College of Music Inc: $30KBerklee College of Music Inc$30K

The largest 2024 recipient was Spoonfuls Inc ($140K across 2 grants). Together the top 3 received $220K.

Grant Size Distribution

17 grants across all recorded years

2<$50K1$50–100K10$100–250K2$250–500K2$500K–1M$1–5M$5M+

The most common grant size was in the $100–250K range: 10 grants of 17 (59%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Spoonfuls Inc Newton, MAGeneral & Unrestricted$130,000
Boston Medical Center Corporation Boston, MACharitable Event$50,000
Berklee College of Music Inc Boston, MACharitable Event$30,000
Spoonfuls Inc Newton, MACharitable Event$10,000

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$500K$1M$1.5M$2M2020 2021 2022 2023 2024
Metric202420232022
Total Assets$12,353,594$11,758,193$12,748,893
Revenue$932,029$647,234$654,523
Expenses$336,628$1,637,934$723,091
Qualifying Distributions$261,032$1,570,252$639,229
Net Investment Income$866,085$586,502$586,328
Distributable Amount$633,431$554,799$615,987

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

Andy and Mariann Youniss Foundation is led by Mariann Youniss, President & Director on every filing since 2020; none of the 2 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Mariann Youniss

    President & Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Andrew Youniss

    Secretary, Treasurer & Director

    On filings since 2020

    1 hr/week

    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 Andy and Mariann Youniss Foundation

How much does Andy and Mariann Youniss Foundation give each year?

Andy and Mariann Youniss Foundation gave $220K across 4 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $1.5M across 5 grants.

What is Andy and Mariann Youniss Foundation's typical grant size?

Andy and Mariann Youniss Foundation's median grant in 2024 was $40,000, and its average grant was $55,000, across 4 grants on its 2024 IRS Form 990-PF.

Where does Andy and Mariann Youniss Foundation give grants?

Andy and Mariann Youniss Foundation gives mostly in Massachusetts: 100% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Newton, MA (2 grants) and Boston, MA (2 grants).

Does Andy and Mariann Youniss Foundation give general operating support?

Yes: 25% of Andy and Mariann Youniss Foundation's 2024 grants with a stated purpose (1 of 4) were for general or operating support, per its 2024 IRS Form 990-PF. Recurring purposes include "Charitable Event" (3 grants).

How large is Andy and Mariann Youniss Foundation?

Andy and Mariann Youniss Foundation reported $12.4M in total assets on its 2024 IRS Form 990-PF. It paid out $261K in qualifying distributions that year, against a required minimum of $633K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

What is Andy and Mariann Youniss Foundation's EIN?

Andy and Mariann Youniss Foundation's EIN (Employer Identification Number) is 81-4478825. 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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