# Open Society Institute

Open Society Institute is a Private Foundation based in New York, United States.

## Overview

- **Organization type:** Private Foundation
- **Headquarters:** New York, United States
- **Region:** North America

## About

The IRS Exempt Organizations Business Master File snapshot retrieved on 2026-10-14 identifies Open Society Institute as a private operating foundation exempt under Section 501(c)(3). Its Employer Identification Number is 13-7029285. Its reported mailing city is New York, New York, United States. For the tax period ending December 2024, the retained IRS record reports total assets of USD 5,403,306,305. Reported income for that tax period is USD 411,071,521. The reported NTEE classification code is T23. The IRS ruling year recorded in this snapshot is 1994. 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.

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Updated: 2026-10-23T07:51:13Z

Canonical page: https://altss.com/profile/open-society-institute

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