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Form 990-PFTax year 2024EIN 82-3690192

The 300 Foundation

A private foundation in Boston, MA. Its return for tax year 2024 lists 1 grant and $450,000 paid in grants.

See which foundations fund work like yours Matching by cause, place and grant size

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

    $450,000

    Grants listed
    1
    Assets, end of year
    $784,057

  • Tax year 2023

    $186,000

    Grants listed
    1
    Assets, end of year
    $1,231,317

  • Tax year 2022

    $437,000

    Grants listed
    1
    Assets, end of year
    $1,425,808

  • Tax year 2021

    $1,750,000

    Grants listed
    1
    Assets, end of year
    $1,875,437

  • Tax year 2020

    $5,141,725

    Grants listed
    2
    Assets, end of year
    $3,336,347

  • Tax year 2019

    $2,000,000

    Grants listed
    1
    Assets, end of year
    $8,528,909

  • Tax year 2018

    $299,000

    Grants listed
    5
    Assets, end of year
    $9,791,112

Grants paid in 2024

1 grant, largest first

As listed on the return.

  1. The Boston FoundationBoston, MA

    General support towards charitable mission

    $450,000

Where the money goes

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

  1. Philanthropy and grantmaking1 grant $450,000100% of the total

By State

Grants to organizations with a US address, latest year.

  1. Massachusetts1 grant $450,000

Officers, directors and trustees

4 people as filed

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

  • Michael KranzleyTRUSTEE Hours 1Pay $0
  • Dexter Clark BlumenthalTRUSTEE Hours 1Pay $0
  • Constance Rose BlumenthalTRUSTEE Hours 1Pay $0
  • Charlene Achki RepkoTRUSTEE Hours 1Pay $0

The return

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