The New York State Capitol

Form 990-PFTax year 2024EIN 47-1849235

Michael Antonov Charitable Foundation Inc

A private foundation in Woodbury, NY. Its return for tax year 2024 lists 6 grants and $2.4 million paid in grants.

Tax year 2024 (period ending Dec 31, 2024), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

7 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2024

    $2,357,500

    Grants listed
    6
    Assets, end of year
    $21,063,950
  • Tax year 2023

    $1,894,126

    Grants listed
    10
    Assets, end of year
    $22,182,522
  • Tax year 2022

    $2,779,500

    Grants listed
    8
    Assets, end of year
    $23,297,365
  • Tax year 2021

    $2,173,000

    Grants listed
    7
    Assets, end of year
    $25,355,192
  • Tax year 2020

    $640,000

    Grants listed
    4
    Assets, end of year
    $26,581,531
  • Tax year 2019

    $816,000

    Grants listed
    4
    Assets, end of year
    $26,694,139
  • Tax year 2018

    $1,147,716

    Grants listed
    5
    Assets, end of year
    $16,023,468

Grants paid in 2024

6 grants, largest first

As listed on the return.

  1. Entropy Software FoundationWoodbury, NY

    Donation

    $1,350,000
  2. Foresite InstituteSan Francisco, CA

    Donation

    $307,500
  3. MariciSan Francisco, CA

    Donation

    $250,000
  4. Buck Institute for ResearchNovato, CA

    Donation

    $200,000
  5. Illuminate the ArtsSan Rafael, CA

    Donation

    $200,000
  6. City of Smile USA IncBurlington, MA

    Donation

    $50,000

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Science and technology1 grant $1,350,00073% of the total
  2. Human services1 grant $250,00014% of the total
  3. Arts and culture1 grant $200,00011% of the total
  4. Philanthropy and grantmaking1 grant $50,0003% of the total

By State

Grants to organizations with a US address, latest year.

  1. New York1 grant $1,350,000
  2. California4 grants $957,500
  3. Massachusetts1 grant $50,000

Officers, directors and trustees

3 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Michael AntonovPresident Hours 3Pay $0
  • Natalia MargulisVice President Hours 1Pay $0
  • Michael MargulisTreasurer Hours 1Pay $0

The return

More foundations

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Same main cause (science and technology), giving between a quarter and four times this foundation’s where possible, nearby first.

  1. Jenny Johnson Family Foundation IncNew York, NY 22 grants Accepts applications $1,412,507 giving
  2. Amplitude FoundationNew York, NY 1 grant Preselected only $1,000,000 giving
  3. Heineman Foundation for Research EducationalNew York, NY 19 grants Preselected only $957,375 giving
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  5. The John and Mary Neff FoundationDecatur, GA 3 grants Preselected only $2,532,640 giving