Private Foundation

Koroluk Foundation

Koroluk Foundation is a private foundation categorized as Private Foundation based in Naperville, IL. Its most recent IRS filing (2025) reports revenue of $272K, expenses of $272K, total assets of $5.2M. Imperigo tracks 8 reported grants from this foundation totaling approximately $1.8M.

EIN: 364323606 Naperville, IL Latest filing: 2025

Total Revenue$272K

Total Expenses$272K

Total Assets$5.2M

Grants Given8

Grant Total$1.8M

Filing Years2021–2025

Sample Grants Given

Various

Naperville, IL · 2025

Church or charity

$265,000

Various

Naperville, IL · 2024

Church or charity

$235,000

Various

Naperville, IL · 2023

Church or charity

$245,000

Various

Naperville, IL · 2022

Church or charity

$211,000

Various

Naperville, IL · 2021

Church or charity

$218,000

Showing up to 5 of 8 total records — full history available with membership.

Officers & Directors

Director Aleksandr Kalinin

Treasurer Del Marie Koroluk

Secretary Theodora Heihn

President Theodore Koroluk

Officer compensation and complete director data available with membership.

Top Grant Purposes

Church or charity

$1,844,000 8 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$272K	$272K	$5.2M
2024	$1.4M	$237K	$5.2M
2023	$210K	$249K	$4.1M
2022	$156K	$213K	$4.1M
2021	$101K	$220K	$4.2M

Between 2021 and 2025, reported annual revenue grew from $101K to $272K (+170%), with total assets most recently reported at $5.2M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in IL.

Full geographic grant map with state-by-state breakdown available with membership.

See the full picture for Koroluk Foundation

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Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports