MacKenzie Ryan Brumberg Foundation
The MacKenzie Ryan Brumberg Foundation is a private foundation based in Wilmington, Delaware. It made 10 grants totaling $299,300 in filing year 2024 to organizations in Ohio, Connecticut, New York, and California. Its 2025 filing, the latest on this page, reports 8 grants totaling $646,975.
MacKenzie Ryan Brumberg Foundation at a glance
In short: MacKenzie Ryan Brumberg Foundation gave $647K across 8 grants in 2025 (avg $81K), mostly in Delaware. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $646,975
- +116.2% vs 2024
- Grants made (2025)
- 8
- -20.0% vs 2024
- Average grant
- $80,872
- +170.2% vs 2024
- Median grant
- $18,750
- Total assets
- $29,600,231
- +35.1% vs 2024
- Primary geography
- Delaware (82% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated November 2026.
How to apply to MacKenzie Ryan Brumberg Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds; it makes contributions only to preselected charitable organizations.
- Contact
Mailing address: Foundation Source 501 Silverside Rd, Wilmington, DE 19809-1377
Phone: (800) 839-1754
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who MacKenzie Ryan Brumberg Foundation funds
How this funder distributes its grants
Top Recipients
Top 8 recipients in 2025
The largest 2025 recipient was FS Charitable Fund ($530K). Together the top 8 received $647K.
Grant Size Distribution
33 grants across all recorded years
The most common grant size was under $50K: 31 grants of 33 (94%).
Geographic Focus
Where this funder awards grants
In 2024, 58% of grant dollars went to recipients in Ohio, 20% to Connecticut, 15% to New York, and 7% to California. Recipients included organizations in Cincinnati, Greenwich, New York, Stanford, and New Haven.
Grant Distribution by State
Share of 2025 grant dollars across all 8 itemized grants.
Cities
How MacKenzie Ryan Brumberg Foundation gives
- Giving grew 4213% from 2022 to 2025. Method
- In 2025 it paid out 122% 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 2021 to 2025, annual grant giving ranged from $9K (2021) to $647K (2025). In 2025 it made 8 grants totaling $647K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| FS Charitable Fund Wilmington, DE | Round Hill Children's Museum fund | $530,000 |
| Ballet Theatre Foundation Inc New York, NY | General & Unrestricted | $25,000 |
| Central Fund of Israel Cedarhurst, NY | Israel Advocacy fund | $25,000 |
| Stanford Law School Stanford, CA | Stanford Law School Federalist Society fund | $25,000 |
| Round Hill Association Inc Greenwich, CT | General & Unrestricted | $12,500 |
| University of Southern California Los Angeles, CA | to support an annual or semi-annual business law, corporate and commercial law, or law and finance seminar | $12,500 |
| Greenwich Riding & Trails Association Inc Greenwich, CT | General & Unrestricted | $10,000 |
| United Way of Greenwich Inc Greenwich, CT | General & Unrestricted | $6,975 |
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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 | $29,600,231 | $8,596,221 | $899,120 | $646,975 | 8 | $693,206 | $8,567,695 | $567,088 |
| 2024 | $21,903,130 | $12,005,581 | $458,309 | $299,300 | 10 | $332,165 | $11,867,895 | $686,847 |
| 2023 | $10,355,858 | $5,619,131 | $231,398 | $133,000 | 11 | $152,127 | $5,585,060 | $329,512 |
| 2022 | $4,968,125 | $4,015,661 | $48,763 | $15,000 | 2 | $27,781 | $3,003,279 | $156,690 |
| 2021 | $1,001,227 | $532,318 | $31,109 | $8,500 | 2 | $22,393 | $524,302 | $42,701 |
Under IRS private-foundation payout rules, MacKenzie Ryan Brumberg Foundation reported a distributable amount of $567K for 2025 — 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 is provided. Its 2024 grants included support for a nursery school, emergency medical and trauma-related first-responder services, a museum focused on American history and democracy, and university law-school Federalist Society programs. These descriptions reflect the grantees’ stated activities, not a stated mission of the foundation.
Grantmaking
In filing year 2024, the foundation gave $299,300 across 10 grants. Grants ranged from $2,500 to $173,000, with a median of $10,000. Its 2025 filing, the latest on this page, reports 8 grants totaling $646,975.
Among its largest grants were $173,000 to Fidelity Investments Charitable Gift Fund for general and unrestricted purposes; $36,000 to Friends of United Hatzalah Inc. for general and unrestricted purposes; and $25,000 to Round Hill Nursery School Inc. for general and unrestricted purposes. Friends of United Hatzalah says it raises and provides funding for nonprofit organizations delivering medical and trauma-related first-responder services. Round Hill Nursery School says it operates a nursery school for children ages two, three, and four. The foundation also gave $20,000 to Stanford Law School to support its Federalist Society and two $10,000 grants to Yale University for Yale Law School Federalist Society programs.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists D Ryan Brumberg as director and president, and MacKenzie Wright Brumberg as director, secretary, and treasurer.
MacKenzie Ryan Brumberg Foundation is led by D Ryan Brumberg, Director & President on every filing since 2021; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
D Ryan Brumberg
Director & President
On filings since 2021
1 hr/week
No compensation reported
MacKenzie Wright Brumberg
Director, Secretary & Treasurer
On filings since 2021
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2021–2025. "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 MacKenzie Ryan Brumberg Foundation
How much does MacKenzie Ryan Brumberg Foundation give each year?
MacKenzie Ryan Brumberg Foundation gave $647K across 8 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $299K across 10 grants.
What is MacKenzie Ryan Brumberg Foundation's typical grant size?
MacKenzie Ryan Brumberg Foundation's median grant in 2025 was $18,750, and its average grant was $80,872, across 8 grants on its 2025 IRS Form 990-PF.
Where does MacKenzie Ryan Brumberg Foundation give grants?
MacKenzie Ryan Brumberg Foundation gives mostly in Delaware: 82% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were New York (8%) and California (6%). The most frequent recipient cities were Greenwich, CT (3 grants).
Does MacKenzie Ryan Brumberg Foundation give general operating support?
Yes: 50% of MacKenzie Ryan Brumberg Foundation's 2025 grants with a stated purpose (4 of 8) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are MacKenzie Ryan Brumberg Foundation's largest grantees?
MacKenzie Ryan Brumberg Foundation's largest 2025 grantees include FS Charitable Fund ($530,000), Ballet Theatre Foundation Inc ($25,000) and Central Fund of Israel ($25,000), according to its 2025 IRS Form 990-PF. Together they received 90% of its itemized 2025 grant dollars.
How large is MacKenzie Ryan Brumberg Foundation?
MacKenzie Ryan Brumberg Foundation reported $29.6M in total assets on its 2025 IRS Form 990-PF. It paid out $693K in qualifying distributions that year, against a required minimum of $567K (roughly 5% of its investment assets).
What does MacKenzie Ryan Brumberg Foundation fund?
No mission statement is provided. Its 2024 grants included support for a nursery school, emergency medical and trauma-related first-responder services, a museum focused on American history and democracy, and university law-school Federalist Society programs. See mission & focus areas ↑
How do I apply for a grant from MacKenzie Ryan Brumberg Foundation?
The foundation does not accept unsolicited requests for funds; it makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is MacKenzie Ryan Brumberg Foundation's EIN?
MacKenzie Ryan Brumberg Foundation's EIN (Employer Identification Number) is 85-4251257. IRS Form 990 filing data is available on this page for 2021–2025.
Does MacKenzie Ryan Brumberg Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated November 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS September 22, 2026)
- IRS filings on file for fiscal years 2021–2024
Live grants for the work MacKenzie Ryan Brumberg Foundation funds
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Cite this profile
Grantable. (2026). MacKenzie Ryan Brumberg Foundation funder profile. GrantGraph. Retrieved November 5, 2026, from https://grantable.co/funders/mackenzie-ryan-brumberg-foundation-morg_de6a07012ecd47839a82e8b0bed7a37f
BibTeX
@misc{grantable_854251257_2026,
author = {{Grantable}},
title = {{MacKenzie Ryan Brumberg Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/mackenzie-ryan-brumberg-foundation-morg_de6a07012ecd47839a82e8b0bed7a37f},
note = {Accessed 2026-11-05. 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 MacKenzie Ryan Brumberg 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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