The Mountz Family Foundation
Preselected recipients only
The Mountz Family Foundation is a private foundation in Needham, Massachusetts. In tax year 2025 it gave $361,700 in 9 grants; the typical grant was $12,500 and the largest $280,000. It only gives to organizations it selects itself and does not accept unsolicited applications.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$361,700
- Number of grants9
- Typical grant$12,500
- Largest grant$280,000
- Assets$1.3 million
- New grantees11%
Giving in 2025 was up from $359,700 the year before.
11% of its 2025 grantees had not received a grant from it the year before, so most of its money goes to organizations it already funds.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $236,000 | 8 | $1.7 million |
| 2024 | $359,700 | 10 | $1.5 million |
| 2025 | $361,700 | 9 | $1.3 million |
How to apply
The Mountz Family Foundation says in its IRS filing that it only makes contributions to preselected organizations, so unsolicited applications are unlikely to be considered. Organizations it funds are usually invited.
What The Mountz Family Foundation funds
Where it gives
Its grants went to recipients in 3 states, the most to Massachusetts.
| State | Grants | Amount |
|---|---|---|
| Massachusetts | 7 | $355,700 |
| Ohio | 1 | $5,000 |
| California | 1 | $1,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| MIT | General | $280,000 |
| Deerfield Academy | General | $25,000 |
| Boston Children's Hospital | General | $22,200 |
| Carroll School | General | $12,500 |
| The Fenn School | General | $12,500 |
| National Inventors Hall of Fame | General | $5,000 |
| The Umbrella Arts Center | General | $2,500 |
| Khan Academy | General | $1,000 |
| Pan Mass Challenge | General | $1,000 |
Officers and trustees
- Michael Mountz
- Tiffany Mountz
Questions people ask
Does The Mountz Family Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does The Mountz Family Foundation give?
$361,700 in tax year 2025, across 9 grants, with a typical grant of $12,500.
Who runs The Mountz Family Foundation?
Its 2025 filing lists Michael Mountz (Trustee) and Tiffany Mountz (Trustee).
What does The Mountz Family Foundation fund?
Based on its grants, mainly education.