Massachusetts · Private foundation
The Mountz Family Foundation
Its FY2025 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.
- $362k
- Granted FY2025(still arriving)
- 9
- Grants FY2025
- 10
- Organizations funded FY2024
- 20%
- First-time grantees FY2024
- Median grant, FY2025
- $12,500
- Largest grant, FY2025
- $280,000
- Organizations funded a year
- 8 to 10
- FY2018 to FY2024
- States reached, FY2025
- 3
- Total assets, FY2025
- $934k
- Applications
- Preselected organizations only
- Per its most recent filing; check its own site
How open it is to new grantees
In FY2024, 20% of the organizations The Mountz Family Foundation funded were first-time grantees, receiving 1% of its grant dollars.
New vs renewed · share of each year
In FY2024, 99% of grant dollars renewed an existing relationship; $2k went to new ones.
Where new relationships form · theme of each grantee’s first grant
How this is measured
The numbers by year
| Fiscal year | Organizations funded | To those organizations | First-time grantees |
|---|---|---|---|
| FY2025still arriving | 9 | $362k | 11% |
| FY2024 | 10 | $360k | 20% |
| FY2023 | 8 | $236k | 25% |
| FY2022 | 8 | $216k | 25% |
| FY2021 | 8 | $58k | 50% |
| FY2020 | 8 | $252k | 25% |
| FY2019 | 8 | $233k | 13% |
| FY2018 | 9 | $400k | 67% |
What it funded, over time
Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2025.
Where its grants go
Grant dollars by states, across the years we hold.
Which US states its grants reach
Top grantees
Largest recipients by total granted, FY2017 to FY2025, and the share of each one’s budget the grants supplied at peak.
| Grantee | Total granted | Years | Share of their budget |
|---|---|---|---|
| Children's Hospital Corporation | $620,775 | 9 | 0% |
| Nashoba Brooks School of Concord Inc | $106,800 | 4 | 0% |
| Lexington Montessori School Inc | $35,200 | 3 | 0% |
| The Fenn School | $35,000 | 3 | 0% |
| The Carroll School | $32,500 | 3 | 0% |
| Trustees of Deerfield Academy | $25,000 | 1 | 0% |
| Family Reach Foundation | $13,800 | 1 | 0% |
| Mass General Brigham Incorporated | $13,500 | 6 | n/a |
| National Inventors Hall of Fame Inc | $12,000 | 4 | 0% |
| Pan-Massachusetts Challenge Inc | $9,050 | 8 | 0% |
Show all 16 grantees
| Grantee | Total granted | Years | Share of their budget |
|---|---|---|---|
| Children's Hospital Corporation | $620,775 | 9 | 0% |
| Nashoba Brooks School of Concord Inc | $106,800 | 4 | 0% |
| Lexington Montessori School Inc | $35,200 | 3 | 0% |
| The Fenn School | $35,000 | 3 | 0% |
| The Carroll School | $32,500 | 3 | 0% |
| Trustees of Deerfield Academy | $25,000 | 1 | 0% |
| Family Reach Foundation | $13,800 | 1 | 0% |
| Mass General Brigham Incorporated | $13,500 | 6 | n/a |
| National Inventors Hall of Fame Inc | $12,000 | 4 | 0% |
| Pan-Massachusetts Challenge Inc | $9,050 | 8 | 0% |
| Khan Academy Inc | $3,000 | 3 | 0% |
| Cottonwood Foundation | $1,680 | 1 | 15% |
| North Andover High School Parent Advisory Council | $1,000 | 1 | n/a |
| MATHCOUNTS Foundation | $1,000 | 1 | 0% |
| The Boston Athletic Association | $395 | 1 | 0% |
| The Side-Out Foundation | $100 | 1 | n/a |
Plus 10 recipients with no EIN on record ($1.5M), not named here.
Where it is load-bearing
Each grantee by its size and the share of its budget The Mountz Family Foundation supplied at peak.
Tap a dot to name the grantee.
How this is measured
Co-funders
Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.
Open a dossier: Fidelity Foundation · Boston Foundation Inc · Verizon Foundation · Morgan Stanley Global Impact Funding Trust Inc · The Pfizer Foundation Inc · The Bank of America Charitable Foundation Inc · Vanguard Charitable Endowment Program · American Online Giving Foundation Inc · Donor Advised Charitable Giving Inc · Fidelity Investments Charitable Gift Fund · Amazonsmile Foundation
How this is measured
About The Mountz Family Foundation
- How much does The Mountz Family Foundation give?
- The Mountz Family Foundation reported 9 grants totaling $361,700 in its FY2025 IRS filing. It funded between 8 and 10 organizations a year over FY2018 to FY2024.
- What does The Mountz Family Foundation fund?
- By grant dollars over FY2017 to FY2025, its largest causes are Science & Tech (25%), Health (25%), Community Improvement (22%).
- Who are The Mountz Family Foundation's largest grantees?
- By total granted over FY2017 to FY2025: Children's Hospital Corporation ($621k), Nashoba Brooks School of Concord Inc ($107k), Lexington Montessori School Inc ($35k).
- Does The Mountz Family Foundation fund new organizations?
- In FY2024, 20% of the organizations it funded were first-time grantees.
- Does The Mountz Family Foundation accept unsolicited applications?
- Its most recent filing reports that it funds preselected organizations and does not take unsolicited requests. Check the foundation's own site before ruling it out.
- Which funders back the same organizations as The Mountz Family Foundation?
- Its strongest co-funders, measured against what their size predicts, include Fidelity Foundation, Boston Foundation Inc, Verizon Foundation.
- Where is The Mountz Family Foundation based?
- The Mountz Family Foundation is based in MA.
Play a game based on Mountz Family’s filings →