Collatos Family Foundation
The Collatos Family Foundation is a private foundation based in Millis, Massachusetts. It gives to preselected charitable organizations; its 2024 filing lists grants to organizations involved in secondary education, concussion and CTE support and research, health care, camps, heritage, and human services.
Collatos Family Foundation at a glance
In short: Collatos Family Foundation gave $1.2M across 8 grants in 2024 (avg $150K), mostly in Massachusetts. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $1,201,000
- -9.8% vs 2023
- Grants made (2024)
- 8
- -27.3% vs 2023
- Average grant
- $150,125
- +24.0% vs 2023
- Median grant
- $100,000
- Total assets
- $5,771,209
- -9.6% vs 2023
- Primary geography
- Massachusetts (100% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026.
How to apply to Collatos Family Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests.
- Contact
Mailing address: 625 Main Street, Millis, MA 02054
Phone: (617) 964-2596
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Collatos Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 8 recipients in 2024
The largest 2024 recipient was The Roxbury Latin School ($425K). Together the top 8 received $1.2M.
Grant Size Distribution
74 grants across all recorded years
The most common grant size was under $50K: 37 grants of 74 (50%).
Geographic Focus
Where this funder awards grants
All grant dollars in 2024 went to recipients in Massachusetts.
Grant Distribution by State
Share of 2024 grant dollars across all 8 itemized grants.
Cities
How Collatos Family Foundation gives
- Giving grew 25% from 2021 to 2024. Method
- In 2024 it paid out 345% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2024, annual grant giving ranged from $588K (2020) to $1.3M (2023). In 2024 it made 8 grants totaling $1.2M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The Roxbury Latin School West Roxbury, MA | Unrestricted | $425,000 |
| Concussion Legacy Foundation Boston, MA | Unrestricted | $341,000 |
| Massachusetts General Hospital Boston, MA | Unrestricted | $110,000 |
| Camp Harbor View Boston, MA | Unrestricted | $100,000 |
| Heritage Plantation of Sandwich Sandwich, MA | Unrestricted | $100,000 |
| Rosie's Place Boston, MA | Unrestricted | $50,000 |
| Teach for America Boston, MA | Unrestricted | $50,000 |
| Smithsonian Tropical Research Institute Boston, MA | Unrestricted | $25,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2024 | $5,771,209 | $696,719 | $1,303,202 | $1,201,000 | 8 | $1,214,212 | $627,729 | $351,689 |
| 2023 | $6,382,545 | $781,534 | $1,424,417 | $1,332,000 | 11 | $1,350,692 | $708,559 | $409,431 |
| 2022 | $6,519,741 | $259,816 | $1,004,581 | $903,700 | 19 | $916,568 | $240,858 | $430,012 |
| 2021 | $7,968,426 | $628,051 | $1,078,512 | $959,334 | 20 | $968,932 | $518,871 | $488,449 |
| 2020 | $8,589,100 | $1,307,780 | $659,759 | $588,296 | 16 | — | $607,374 | $433,850 |
Under IRS private-foundation payout rules, Collatos Family Foundation reported a distributable amount of $352K for 2024 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Among its 2024 grantees, The Roxbury Latin School describes its mission as providing secondary education to boys in grades 7–12. The Concussion Legacy Foundation describes its mission as supporting athletes, veterans, and others affected by concussions and CTE; advancing smarter sports and safer athletes through education and innovation; and ending CTE through prevention and research.
Grantmaking
In 2024, the foundation made 8 grants totaling $1,201,000. Grants ranged from $25,000 to $425,000, with a median of $100,000. Its largest listed grants were $425,000 to The Roxbury Latin School and $341,000 to the Concussion Legacy Foundation. Other grants included $110,000 to Massachusetts General Hospital; $100,000 each to Camp Harbor View and Heritage Plantation of Sandwich; and $50,000 each to Rosie’s Place and Teach for America. The listed grants were designated unrestricted.
Leadership & Key People
Leadership team and compensation from IRS filings
William Collatos is listed as trustee.
Collatos Family Foundation is led by William Collatos, Trustee on every filing since 2020 — the only officer listed, and uncompensated.
Officers on the 2024 filing
William Collatos
Trustee
On filings since 2020
0.5 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Collatos Family Foundation
How much does Collatos Family Foundation give each year?
Collatos Family Foundation gave $1.2M across 8 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $1.3M across 11 grants.
What is Collatos Family Foundation's typical grant size?
Collatos Family Foundation's median grant in 2024 was $100,000, and its average grant was $150,125, across 8 grants on its 2024 IRS Form 990-PF.
Where does Collatos Family Foundation give grants?
Collatos Family Foundation gives mostly in Massachusetts: 100% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Boston, MA (6 grants).
Does Collatos Family Foundation give general operating support?
Yes: 100% of Collatos Family Foundation's 2024 grants with a stated purpose (8 of 8) were for general or operating support, per its 2024 IRS Form 990-PF.
Who are Collatos Family Foundation's largest grantees?
Collatos Family Foundation's largest 2024 grantees include The Roxbury Latin School ($425,000), Concussion Legacy Foundation ($341,000) and Massachusetts General Hospital ($110,000), according to its 2024 IRS Form 990-PF. Together they received 73% of its itemized 2024 grant dollars.
How large is Collatos Family Foundation?
Collatos Family Foundation reported $5.8M in total assets on its 2024 IRS Form 990-PF. It paid out $1.2M in qualifying distributions that year, against a required minimum of $352K (roughly 5% of its investment assets).
What does Collatos Family Foundation fund?
No mission statement for the foundation is provided. Among its 2024 grantees, The Roxbury Latin School describes its mission as providing secondary education to boys in grades 7–12. See mission & focus areas ↑
How do I apply for a grant from Collatos Family Foundation?
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Collatos Family Foundation's EIN?
Collatos Family Foundation's EIN (Employer Identification Number) is 82-6588923. IRS Form 990 filing data is available on this page for 2020–2024.
Does Collatos Family Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
Live grants for the work Collatos Family Foundation funds
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