Millstone Foundation
Millstone Foundation is a private foundation based in St. Louis, Missouri. Its 2025 filing reports grants to organizations in Missouri, Vermont, and New York, including Jewish community organizations, educational institutions, health-related organizations, and cultural and environmental organizations.
Millstone Foundation at a glance
In short: Millstone Foundation gave $555K across 38 grants in 2025 (avg $15K), mostly in Missouri. 32% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $555,008
- +9.6% vs 2024
- Grants made (2025)
- 38
- +8.6% vs 2024
- Average grant
- $14,605
- +0.9% vs 2024
- Median grant
- $5,650
- Total assets
- $4,726,525
- -4.9% vs 2024
- New grantees (estimate)
- 32% first-time grantees (12 of 38, 2025)
- Primary geography
- Missouri (63% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Millstone Foundation
- How to Apply
-
The foundation’s 2024 filing says it does not restrict giving to preselected organizations. Requests should be submitted in written form with complete information. The filing lists no restrictions on awards and identifies Robert D. Millstone as the person to contact.
- Review Cycle
- None listed.
- Deadline
- None listed.
- Contact
Application contact: Robert D Millstone
Mailing address: 7733 Forsyth Blvd Ste 1525, St Louis, MO 63105
Phone: (314) 721-8815
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Millstone Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was University of Vermont Foundation ($100K). Together the top 10 received $426K.
Grant Size Distribution
184 grants across all recorded years
The most common grant size was under $50K: 158 grants of 184 (86%).
Geographic Focus
Where this funder awards grants
In 2025, 63% of grant dollars went to recipients in Missouri, 28% to Vermont, and 9% to New York. The filing also reports 0% for Washington, DC.
Grant Distribution by State
Share of 2025 grant dollars across all 38 itemized grants.
States
Cities
Is Millstone Foundation open to new grantees?
32%
first-time grantees, 2025
In 2025, 12 of 38 grantees (32%) were first-time recipients. First grants averaged $5K; repeat grants $19K. How we count
Medians: $1K first-time, $9K repeat.
- 50% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (−19%). Method
- In 2025 it paid out 159% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $507K (2024) to $728K (2019). In 2025 it made 38 grants totaling $555K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| University of Vermont Foundation Burlington, VT | To Further Recipient's Charitable Purpose | $100,000 |
| Jewish Federation of St Louis St. Louis, MO | To Further Recipient's Charitable Purpose | $75,180 |
| Planned Parenthood of SLR St. Louis, MO | To Further Recipient's Charitable Purpose | $50,000 |
| Hebrew Union College New York, NY | To Further Recipient's Charitable Purpose | $48,000 |
| St Louis Kaplan Feldman Holocaust Museum St. Louis, MO | To Further Recipient's Charitable Purpose | $40,000 |
| Washington University in St Louis St. Louis, MO | To Further Recipient's Charitable Purpose | $35,000 |
| Saul Mirowitz Jewish Community School St. Louis, MO | To Further Recipient's Charitable Purpose | $25,000 |
| SLAMT1D Inc Williston, VT | To Further Recipient's Charitable Purpose | $20,016 |
| Vermont Parks Forever Montpelier, VT | To Further Recipient's Charitable Purpose | $18,000 |
| Center for Creative Arts (Coca) St. Louis, MO | To Further Recipient's Charitable Purpose | $15,000 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $4,726,525 | $477,037 | $719,942 | $555,008 | 38 | $622,288 | $805,432 | $391,787 |
| 2024 | $4,968,934 | $453,620 | $645,161 | $506,617 | 35 | $566,903 | $404,398 | $411,945 |
| 2023 | $5,160,289 | $494,371 | $872,990 | $713,920 | 38 | $780,656 | $360,018 | $416,630 |
| 2022 | $5,552,392 | $1,408,456 | $863,512 | $683,080 | 37 | $752,166 | $1,355,683 | $418,548 |
| 2021 | $4,994,830 | $605,081 | $752,689 | $597,440 | 36 | — | $538,137 | $424,116 |
| 2020 | $5,142,821 | $261,280 | $744,481 | $615,592 | 38 | — | $187,292 | $404,131 |
| 2019 | $5,627,438 | $556,617 | $874,942 | $728,207 | 50 | — | $516,347 | $402,800 |
Under IRS private-foundation payout rules, Millstone Foundation reported a distributable amount of $392K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its grants show support for organizations working in areas including Jewish life and education, Holocaust education, type 1 diabetes, children and families, community services, and the arts and environment. For example, the Jewish Federation of St. Louis describes its mission as mobilizing community resources to preserve and enhance Jewish life; the St. Louis Kaplan Feldman Holocaust Museum says it provides exhibitions and educational programming about the Holocaust; and SlamT1D describes itself as supporting people living with type 1 diabetes. These are the grantees’ descriptions of their own work.
Grantmaking
In filing year 2025, the foundation reported 38 grants totaling $555,008. Grants ranged from $180 to $100,000, with a median of $5,650. Larger grants included $100,000 to the University of Vermont Foundation, $75,180 to the Jewish Federation of St. Louis, $50,000 to Planned Parenthood of SLR, $48,000 to Hebrew Union College, and $40,000 to the St. Louis Kaplan Feldman Holocaust Museum.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Robert D. Millstone as president and director, and Colleen Millstone as director.
Millstone Foundation is led by Robert D. Millstone, President & Director on every filing since 2019; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Robert D. Millstone
President & Director
On filings since 2019
No compensation reported
Colleen Millstone
Director
On filings since 2019
20 hrs/week
$60K (2019) → $0 (2025)
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2024 IRS filing
The highest reported compensation on the 2024 filing was $72K, to Colleen Millstone (Director).
Frequently asked questions about Millstone Foundation
How much does Millstone Foundation give each year?
Millstone Foundation gave $555K across 38 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $507K across 35 grants.
What is Millstone Foundation's typical grant size?
Millstone Foundation's median grant in 2025 was $5,650, and its average grant was $14,605, across 38 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Millstone Foundation that year got $5K on average.
Where does Millstone Foundation give grants?
Millstone Foundation gives mostly in Missouri: 63% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Vermont (28%) and New York (9%). The most frequent recipient cities were St. Louis, MO (25 grants), Burlington, VT (3 grants) and New York, NY (2 grants).
Who are Millstone Foundation's largest grantees?
Millstone Foundation's largest 2025 grantees include University of Vermont Foundation ($100,000), Jewish Federation of St Louis ($75,180) and Planned Parenthood of SLR ($50,000), according to its 2025 IRS Form 990-PF. Together they received 41% of its itemized 2025 grant dollars.
How large is Millstone Foundation?
Millstone Foundation reported $4.7M in total assets on its 2025 IRS Form 990-PF. It paid out $622K in qualifying distributions that year, against a required minimum of $392K (roughly 5% of its investment assets).
What does Millstone Foundation fund?
No mission statement for the foundation is provided. Its grants show support for organizations working in areas including Jewish life and education, Holocaust education, type 1 diabetes, children and families, community services, and the arts and environment. See mission & focus areas ↑
How do I apply for a grant from Millstone Foundation?
The foundation’s 2024 filing says it does not restrict giving to preselected organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Millstone Foundation's EIN?
Millstone Foundation's EIN (Employer Identification Number) is 43-6027373. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated October 2026.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS January 15, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS January 11, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS February 15, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS February 10, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS November 9, 2023)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS December 4, 2024)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS December 1, 2025)
- IRS filings on file for fiscal years 2019–2025
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Cite this profile
Grantable. (2026). Millstone Foundation funder profile. GrantGraph. Retrieved October 12, 2026, from https://grantable.co/funders/millstone-foundation-morg_9ccc62426a1344dd88a510c840fe255c
BibTeX
@misc{grantable_436027373_2026,
author = {{Grantable}},
title = {{Millstone Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/millstone-foundation-morg_9ccc62426a1344dd88a510c840fe255c},
note = {Accessed 2026-10-12. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Millstone Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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