Zwirner Foundation A Nonprofit Corporation

Overview

The IRS Exempt Organizations Business Master File snapshot retrieved on 2026-10-14 identifies Zwirner Foundation A Nonprofit Corporation as a private grantmaking foundation exempt under Section 501(c)(3). Its Employer Identification Number is 82-5238719. Its reported mailing city is Hinsdale, Illinois, United States. For the tax period ending December 2024, the retained IRS record reports total assets of USD 26,424,018. Reported income for that tax period is USD 4,500,018. The reported NTEE classification code is T20. The IRS ruling year recorded in this snapshot is 2019. Total assets are balance-sheet assets, not assets under management. These are dated IRS records; they do not establish current finances or a present investment mandate.