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Harry F Mariani Family Foundation

Grantmaking foundation in Locust Valley, New York · EIN 84-3901549

Grants itemized on the 990
$270KTax year 2025
Grants made
14Tax year 2025
Total assets
$5.8MLatest reported
Latest IRS filing
2025Form 990 / 990-PF

Giving by year

$280K2021
$320K2022
$240K2023
$200K2024
$270K2025

Totals by tax year, rounded to two significant figures. Years without a reported total show the sum of grants itemized on the filing.

Top recipients

RecipientAmountTax year
Tisch Multiple Sclerosis Research Center New York Inc$68K2025
Northwell Health Foundation$56K2025
The Beaufort County Open Land Trust Inc$50K2025
Pingree School$27K2025
University of Notre Dame$25K2025

Amounts are rounded. The full grantee list (14 grants in 2025) is available with a free account.

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Source: IRS Form 990 and 990-PF filings, tax year 2025. Also see this organization on ProPublica Nonprofit Explorer.