The Illinois State Capitol

Form 990-PFTax year 2025EIN 47-1141222

Idex Foundation

A private foundation in Northbrook, IL. Its return for tax year 2025 lists 4 grants and $1.9 million paid in grants.

Tax year 2025 (period ending Dec 31, 2025), 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

Accepts applications

The return gives an application contact and rules, as below.

Contact
IDEX Foundation C O Nikki Ambers
3100 Sanders Road Suite 301
Northbrook, IL 60062
(847) 498-7070
Form and materials
Along with the information requested in our grant application a copy of the 501c3 tax exemption letter and current listing of how the organizations funds are distributed annually are required.
Deadlines
12 31
Restrictions
Applicants can only request contributions to organizations that qualify as exempt organizations or equivalent status under section 501c3 of the Internal Revenue Code.

Assets and giving by year

6 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2025

    $1,925,524

    Grants listed
    4
    Assets, end of year
    $2,933,066
  • Tax year 2024

    $1,834,176

    Grants listed
    14
    Assets, end of year
    $4,259,000
  • Tax year 2023

    $1,318,972

    Grants listed
    60
    Assets, end of year
    $5,875,065
  • Tax year 2022

    $1,383,445

    Grants listed
    81
    Assets, end of year
    $6,986,928
  • Tax year 2021

    $1,261,511

    Grants listed
    75
    Assets, end of year
    $6,670,116
  • Tax year 2020

    $546,488

    Grants listed
    48
    Assets, end of year
    $1,932,003

Grants paid in 2025

4 grants, largest first

As listed on the return.

  1. America Online Giving Foundation IncNewark, DE

    Welfare Grant

    $1,637,573
  2. The UK Online Giving FoundationLondon, United Kingdom

    Welfare Grant

    $150,304
  3. CAF AmericaAlexandria, VA

    Welfare Grant

    $127,647
  4. Regional Food Bank of OklahomaOklahoma City, OK

    Welfare Grant

    $10,000

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 $127,64793% of the total
  2. Food and agriculture1 grant $10,0007% of the total

By State

Grants to organizations with a US address, latest year.

  1. Delaware1 grant $1,637,573
  2. Virginia1 grant $127,647
  3. Oklahoma1 grant $10,000

Officers, directors and trustees

14 people as filed

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

  • Nikki AmbersSecretary & Treasurer Hours 3.5Pay $0
  • Krishna RanganathanPresident Hours 3.5Pay $0
  • Jenna MyszakTreasurer Hours 3.5Pay $0
  • Mark SpencerDirector Hours 0.5Pay $0
  • Stephanie SnowDirector Hours 0.5Pay $0
  • Abigail RocheDirector Hours 0.5Pay $0
  • Troy McIntoshDirector Hours 0.5Pay $0
  • Erin LittleDirector Hours 0.5Pay $0
  • Richard YarnallDirector Hours 0.5Pay $0
  • Lisa PresuttiDirector Hours 0.5Pay $0
  • Natalie ChatleyDirector Hours 0.5Pay $0
  • Wes LoboDirector Hours 0.5Pay $0
  • Margaux FriendDirector Hours 0.5Pay $0
  • Lawyer BurksDirector Hours 0.5Pay $0

The return

More foundations

Similar foundations

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

  1. New Frontiers FoundationNorthbrook, IL 12 grants Accepts applications $2,692,800 giving
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  3. Mills Family Charitable FoundationNorthbrook, IL 27 grants Preselected only $581,000 giving
  4. Martin and Patricia Jahn FoundationBurr Ridge, IL 10 grants Preselected only $1,934,513 giving
  5. The Richard and Margaret Romano Charitable TrustEvanston, IL 1 grant Preselected only $1,936,500 giving