# W Oneil Foundation

W Oneil Foundation is a Private Foundation based in Chevy Chase, United States.

## Overview

- **Organization type:** Private Foundation
- **Headquarters:** Chevy Chase, United States
- **Region:** North America

## About

The IRS Exempt Organizations Business Master File snapshot retrieved on 2026-10-14 identifies W Oneil Foundation as a private grantmaking foundation exempt under Section 501(c)(3). Its Employer Identification Number is 34-6516969. Its reported mailing city is Chevy Chase, Maryland, United States. For the tax period ending December 2025, the retained IRS record reports total assets of USD 38,657,869. Reported income for that tax period is USD 6,454,813. The IRS ruling year recorded in this snapshot is 1949. 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: 2026-10-23T09:41:15Z

Canonical page: https://altss.com/profile/w-oneil-foundation

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