← Funder search

Is15 Foundation

Wilmington, DE · EIN 843673529 990-PF tax year 2025“Preselected organizations only” box checked

Historical funder research: IRS Form 990-PF filings from US private foundations, showing who funded what in past years. This is not a list of currently open grant calls, and we do not track open RFPs from private foundations. From public IRS Form 990-PF filings (latest on file for this funder: tax year 2025). Coverage: tax years 2019–2025. Freshness: the IRS releases these returns 1.5–2+ years after the tax year ends, so 2025 is still partial and a funder's newest grants may not appear yet. Last updated: November 14, 2026. Filings can contain errors, so confirm current priorities and deadlines with the funder before applying.

Grants paid (tax yr 2025)
$750,000
Assets (fair market value)
$151,967
Median grant to orgs
$750,000
all loaded years
Grants in our data
6
since tax year 2022
Giving by tax year
$750,000
2022
1 grants
$1,148,063
2023
2 grants
$407,500
2024
2 grants
$750,000
2025
1 grants

Year 2025 is still partial because many returns have not been filed or released yet. That is a freshness issue — coverage in our dataset is tax years 2019–2025.

Top recipient states
IL$3,055,563
Cause areas funded
Recreation & Sports6

Only 100.0% of this funder's organizational grants could be linked to an IRS cause code.

How to apply (from the 990-PF, tax year 2025)

The foundation checked the box saying it contributes only to preselected organizations and doesn't accept unsolicited requests.

Form & materials
Not stated
Deadlines
Not stated
Restrictions
Not stated
Recent grants to organizations
RecipientLocationPurpose (as filed)AmountTax yr
Northwestern UniversityEvanston, ILThe Fund shall be used to support a professorship within the Department of History at Weinberg College$750,0002025
Northwestern UniversityEvanston, ILKellogg Fifteen Group Undergraduate Real Estate Curriculum Fund and Weinberg College Fifteen Group Undergraduate Real Estate Curriculum Fund$400,0002024
Northwestern UniversityEvanston, ILKellogg Real Estate Program and Kellogg Real Estate Advisory Council$7,5002024
Northwestern UniversityEvanston, ILPROFESSORSHIP FUND WITHIN THE DEPARTMENT OF HISTORY AT WEINBERG COLLEGE$750,0002023
Northwestern UniversityEvanston, ILKellogg / Weinberg Undergrad Real Estate Program Fund$398,0632023
Northwestern UniversityEvanston, ILprofessorship fund within the Department of History at Weinberg College$750,0002022

Grants to individuals are counted but not named.

Researching funders for a client?

The free funder search finds foundations that funded organizations like your client's, by cause and location. Free templates: multi-client grant calendar, grant tracker. GrantCorral is a workspace for grant consultants with several clients; founding members get 60 days free on Consultant, no card required, then 50% off the first year if they stay.