# Tosa Foundation

Tosa Foundation is an Endowment / Foundation based in Portola Valley, United States.

## Overview

- **Organization type:** Endowment / Foundation
- **Headquarters:** Portola Valley, United States
- **Region:** North America
- **Address:** 3130 Alpine Rd PMB 705 288, Portola Valley, CA 94028
- **Founded:** 1992
- **Assets under management:** Undisclosed
- **Website:** https://tosafoundation.org
- **LinkedIn:** https://www.linkedin.com/company/tosa-foundation

## Regulatory record

- **Reports private funds:** No

## About

John P. and Tashia Morgridge created the Tosa Foundation in 1992. The couple designated the entity as a private independent foundation focused on grantmaking. The foundation maintains positions in venture capital vehicles including Legacy Venture funds and Oak Hill Capital Partners. It also holds public equity in Cisco Systems and smaller stakes in Fulgent Genetics and 1Life Healthcare. All activity remains confined to the United States. Assets total approximately $392 million according to internal records. The foundation lists no additional offices and maintains accounting relationships with Frank, Rimerman + Co. LLP and Aprio, LLP. No operational events from the last 24 months appear in available data. The structure separates grantmaking from the founders' personal holdings through controlled entities such as Windfall Investments, LP.

## Sectors

- Diversified

## People

- John P. Morgridge — Founder
- Tashia F. Morgridge — Founder
- John D. Morgridge — Director

## Questions

### Who runs investment decisions at Tosa Foundation?

John P. and Tashia Morgridge established the foundation. John D. Morgridge serves as a director alongside Kate Greswold.

### Does Tosa Foundation participate in fund commitments or only direct deals?

The foundation holds limited partner interests in Legacy Venture funds and Oak Hill Capital Partners vehicles.

### What investment stages does Tosa Foundation typically target?

Holdings include early-stage venture through Legacy Venture and private equity through Oak Hill Capital Partners.

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- [Broward Health Pension Plan](https://altss.com/profile/broward-health-pension-plan)
- [Holyoke Retirement Board](https://altss.com/profile/holyoke-retirement-board)

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Last updated: 2026-06-03T20:00:00.000Z

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

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