Mack Family Foundation

Private foundation · Grantmaker Las Vegas, NV EIN: 81-6818876

Mack Family Foundation is a private foundation, based in Las Vegas, NV. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $15K in total assets. In 2025, it awarded 2 grants totaling $275K. Net investment income was $4K.

Key facts about Mack Family Foundation

In short: Mack Family Foundation gave $275K across 2 grants in 2025 (avg $138K), mostly in California. Source: 2025 IRS Form 990-PF.

EIN
81-6818876
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$275,000
Grants made (2025)
2
Average grant
$137,500
Median grant
$137,500
Total assets
$14,502
Primary geography
California (91% of itemized 2025 grant dollars)

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

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

$15K

-93.9% YoY

Annual Giving

$275K

+315.4% YoY

Grant Count

2

-50.0% YoY

Avg Grant Size

$138K

+730.8% YoY

Under IRS private-foundation payout rules, Mack Family Foundation reported a distributable amount of $6K for 2025 — the minimum it must pay out in qualifying distributions.

How Mack Family Foundation gives

  • Giving grew 267% 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.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

5states

Share of 2025 grant dollars across all 2 itemized grants.

Cities

CoronadoLas VegasNew YorkLitchfieldLos AngelesRenoSuwannee

Giving Over Time

Total grant dollars and number of grants per year

$0$100K$200K$300K3 grants2020 3 grants2021 2 grants2022 1 grant2023 4 grants2024 2 grants2025

From 2020 to 2025, annual grant giving ranged from $40K (2021) to $275K (2025). In 2025 it made 2 grants totaling $275K.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2025

Charles Humphrey Keating IV Foundation: $250KCharles Humphrey Keating IVFoundation$250KIsraeli American Council: $25KIsraeli American Council$25K

The largest 2025 recipient was Charles Humphrey Keating IV Foundation ($250K). Together the top 2 received $275K.

Grant Size Distribution

12 grants across all recorded years

8<$50K3$50–100K$100–250K1$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 8 grants of 12 (67%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Charles Humphrey Keating IV Foundation Coronado, CASupport for active duty navy seals and their families$250,000
Israeli American Council New York, NYSupport for building, engaging and uniting israeli American communities$25,000

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$100K$200K$300K$400K2020 2021 2022 2023 2024 2025
Metric202520242023
Total Assets$14,502$235,860$276,740
Revenue$54,306$26,030$1,453
Expenses$275,664$66,910$50,600
Qualifying Distributions$275,000$66,200$50,000
Net Investment Income$4,306$1,030$853
Distributable Amount$5,992$13,783$15,955

Data update history

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS November 2, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS November 8, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 13, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS June 6, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS October 8, 2025)
  6. Added Form 990-PF for fiscal year 2025 (received by the IRS June 12, 2026)

Leadership & Key People

Officers and directors from IRS filings

Mack Family Foundation is led by Steven A. Mack, Trustee on every filing since 2020 — the only officer listed, and uncompensated.

Officers on the 2025 filing

  • Steven A. Mack

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

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 Mack Family Foundation

How much does Mack Family Foundation give each year?

Mack Family Foundation gave $275K across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $66K across 4 grants.

How large is Mack Family Foundation?

Mack Family Foundation reported $15K in total assets on its 2025 IRS Form 990-PF. It paid out $275K in qualifying distributions that year, against a required minimum of $6K (roughly 5% of its investment assets).

Where does Mack Family Foundation operate?

Mack Family Foundation has awarded grants in California, Connecticut, Georgia, Nevada, New York.

What is Mack Family Foundation's EIN?

Mack Family Foundation's EIN (Employer Identification Number) is 81-6818876. IRS Form 990 filing data is available on this page for 2020–2025.

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

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