# MILLSTONE FUND

MILLSTONE FUND is a Private Foundation based in CINCINNATI, United States.

## Overview

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

## About

MILLSTONE FUND is listed by the Internal Revenue Service as a private grantmaking foundation exempt under Section 501(c)(3), with employer identification number 83-4320073. The IRS filing address is in CINCINNATI, OH, United States. For the tax period ending September 2025, the IRS Exempt Organizations Business Master File lists year-end book assets of USD 235,062,816 and an IRS-computed Income Amount of USD 152,999,325. For private foundations, this extract field combines total revenue with specified cost-of-goods and cost-basis amounts from Form 990-PF. The IRS ruling date on file is August 2019. These tax-filing amounts are not assets under management or net profit.

## Questions

### What is MILLSTONE FUND?

The IRS lists MILLSTONE FUND as a private grantmaking foundation exempt under Section 501(c)(3), with EIN 83-4320073.

### What filing locality does the IRS record for MILLSTONE FUND?

The IRS filing address is in CINCINNATI, OH, United States.

### What book assets does the IRS report for MILLSTONE FUND?

For the tax period ending September 2025, the IRS lists year-end book assets of USD 235,062,816.

### What does the IRS Income Amount for MILLSTONE FUND represent?

For the tax period ending September 2025, the IRS-computed Income Amount is USD 152,999,325. For private foundations, this extract field combines total revenue with specified cost-of-goods and cost-basis amounts from Form 990-PF.

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Updated: 2026-10-15T13:09:07.723Z

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