# Simpson Foundation

Simpson Foundation is a Private Foundation based in Orinda, United States.

## Overview

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

## About

The IRS Exempt Organizations Business Master File snapshot retrieved on 2026-10-14 identifies Simpson Foundation as a private grantmaking foundation exempt under Section 501(c)(3). Its Employer Identification Number is 68-0168017. Its reported mailing city is Orinda, California, United States. For the tax period ending December 2024, the retained IRS record reports total assets of USD 128,385,654. Reported income for that tax period is USD 14,599,096. The IRS ruling year recorded in this snapshot is 1989. 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: 2026-10-23T12:28:25Z

Canonical page: https://altss.com/profile/simpson-foundation

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