James M Rabb & Melinda a Rabb

Private foundation · Grantmaker Weston, MA EIN: 22-2876998

James M Rabb & Melinda a Rabb is a private foundation based in Weston, Massachusetts. It made 35 grants totaling $207,410 in 2024 to charitable organizations, with most grant dollars going to recipients in Massachusetts.

James M Rabb & Melinda a Rabb at a glance

In short: James M Rabb & Melinda a Rabb gave $207K across 35 grants in 2024 (avg $6K), mostly in Massachusetts. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$207,410
+42.9% vs 2023
Grants made (2024)
35
+94.4% vs 2023
Average grant
$5,926
-26.5% vs 2023
Median grant
$1,000
Total assets
$3,754,018
+1.2% vs 2023
Primary geography
Massachusetts (92% 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 James M Rabb & Melinda a Rabb

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: 10 Possum Road, Weston, MA 02493-2318
Phone: (781) 899-4445

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who James M Rabb & Melinda a Rabb funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Combined Jewish Philanthropies: $45KCombined Jewish Philanthropies$45KJewish Family & Children's Service: $40KJewish Family & Children'sService$40KHarvard Glee Club Foundation: $30KHarvard Glee Club Foundation$30KTrustees of Tufts College: $25KTrustees of Tufts College$25KHarvard Medical School: $15KHarvard Medical School$15KHarvard Art Museum: $15KHarvard Art Museum$15KBrown Risd Hillel: $10KBrown Risd Hillel$10KAntidefimation League: $5KAntidefimation League$5KMuseum of Fine Arts: $5KMuseum of Fine Arts$5KCelebrity Series: $3KCelebrity Series$3K

The largest 2024 recipient was Combined Jewish Philanthropies ($45K). Together the top 10 received $192K.

Grant Size Distribution

103 grants across all recorded years

96<$50K7$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 96 grants of 103 (93%).

Geographic Focus

Where this funder awards grants

In 2024, 92% of grant dollars went to Massachusetts recipients, 5% to Rhode Island recipients, and 3% to New York recipients. Illinois and Washington, DC, each accounted for 0% of grant dollars.

Grant Distribution by State

5states

Share of 2024 grant dollars across all 35 itemized grants.

Cities

BostonCambridgeWestonWalthamNew YorkNewton CentreAlbanyNantucketAttleboroHighland ParkNeedhamPeobodyProvidenceWashingtonWest BloomfieldAuburndaleCharlestownNewtonSpringfieldSwampscott

How James M Rabb & Melinda a Rabb gives

  • 40% of 2024 grantees were also funded in 2023. Method
  • Giving held roughly steady from 2021 to 2024 (−16%). Method
  • In 2024 it paid out 82% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2024). 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

$0$100K$200K$300K4 grants2020 17 grants2021 29 grants2022 18 grants2023 35 grants2024

From 2020 to 2024, annual grant giving ranged from $145K (2023) to $275K (2022). In 2024 it made 35 grants totaling $207K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Combined Jewish Philanthropies Boston, MACharitable$45,000
Jewish Family & Children's Service Waltham, MACharitable$40,250
Harvard Glee Club Foundation Cambridge, MACharitable$30,000
Trustees of Tufts College Boston, MACharitable$25,000
Harvard Medical School Boston, MACharitable$15,000
Harvard Art Museum Cambridge, MACharitable$15,000
Brown Risd Hillel Providence, RICharitable$10,000
Antidefimation League New York, NYCharitable$5,000
Museum of Fine Arts Boston, MACharitable$4,500
Celebrity Series Boston, MACharitable$2,500
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$3,754,018$255,349$236,841$207,41035$213,898$233,448$260,244
2023$3,709,510$239,694$160,059$145,13918$145,594$225,229$212,715
2022$3,629,875$97,033$302,870$275,25129$276,571$79,944$217,703
2021$3,835,712$449,814$268,002$246,50117$247,786$432,367$243,093
2020$3,653,900$242,899$175,699$156,3004—$227,955$211,372

Under IRS private-foundation payout rules, James M Rabb & Melinda a Rabb reported a distributable amount of $260K 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. Its 2024 grants show support for organizations with varied purposes. For example, Jewish Family & Children’s Service describes its work as providing human services guided by Jewish traditions of social responsibility, compassion, and respect. Jewish Arts Collaborative says it presents Jewish arts and culture to audiences across Greater Boston.

Grantmaking

In 2024, the foundation made 35 grants totaling $207,410. Grant amounts ranged from $100 to $45,000, with a median of $1,000. Its largest grants included $45,000 to Combined Jewish Philanthropies, $40,250 to Jewish Family & Children’s Service, $30,000 to Harvard Glee Club Foundation, and $25,000 to Trustees of Tufts College. It also gave $15,000 each to Harvard Medical School and Harvard Art Museum, and $10,000 to Brown RISD Hillel.

The foundation made 18 grants totaling $145,139 in 2023 and 29 grants totaling $275,251 in 2022.

Leadership & Key People

Leadership team and compensation from IRS filings

James M Rabb and Melinda A Rabb are listed as trustees.

James M Rabb & Melinda a Rabb's 2024 filing lists 2 officers; none of the 2 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • James M. Rabb

    Trustee

    On filings since 2020

    5 hrs/week

    No compensation reported

  • Melinda A. Rabb

    Trustee

    On filings since 2020

    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 James M Rabb & Melinda a Rabb

How much does James M Rabb & Melinda a Rabb give each year?

James M Rabb & Melinda a Rabb gave $207K across 35 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $145K across 18 grants.

What is James M Rabb & Melinda a Rabb's typical grant size?

James M Rabb & Melinda a Rabb's median grant in 2024 was $1,000, and its average grant was $5,926, across 35 grants on its 2024 IRS Form 990-PF.

Where does James M Rabb & Melinda a Rabb give grants?

James M Rabb & Melinda a Rabb gives mostly in Massachusetts: 92% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Boston, MA (14 grants), Cambridge, MA (6 grants), New York, NY (2 grants) and Weston, MA (2 grants).

Does James M Rabb & Melinda a Rabb give general operating support?

Not in 2024: none of the 35 grants with a stated purpose on James M Rabb & Melinda a Rabb's 2024 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Charitable" (35 grants).

Who are James M Rabb & Melinda a Rabb's largest grantees?

James M Rabb & Melinda a Rabb's largest 2024 grantees include Combined Jewish Philanthropies ($45,000), Jewish Family & Children's Service ($40,250) and Harvard Glee Club Foundation ($30,000), according to its 2024 IRS Form 990-PF. Together they received 56% of its itemized 2024 grant dollars.

How large is James M Rabb & Melinda a Rabb?

James M Rabb & Melinda a Rabb reported $3.8M in total assets on its 2024 IRS Form 990-PF. It paid out $214K in qualifying distributions that year, against a required minimum of $260K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

What does James M Rabb & Melinda a Rabb fund?

No mission statement for the foundation is provided. Its 2024 grants show support for organizations with varied purposes. For example, Jewish Family & Children’s Service describes its work as providing human services guided by Jewish traditions of social responsibility, compassion, and respect. See mission & focus areas ↑

How do I apply for a grant from James M Rabb & Melinda a Rabb?

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 James M Rabb & Melinda a Rabb's EIN?

James M Rabb & Melinda a Rabb's EIN (Employer Identification Number) is 22-2876998. IRS Form 990 filing data is available on this page for 2020–2024.

Does James M Rabb & Melinda a Rabb 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

  1. IRS filings on file for fiscal years 2020–2024

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Cite this profile

Grantable. (2026). James M Rabb & Melinda a Rabb funder profile. GrantGraph. Retrieved October 22, 2026, from https://grantable.co/funders/james-m-rabb-and-melinda-a-rabb-morg_8a15af5db20843e69472cde86aabd263

BibTeX
@misc{grantable_222876998_2026,
  author       = {{Grantable}},
  title        = {{James M Rabb \& Melinda a Rabb funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/james-m-rabb-and-melinda-a-rabb-morg_8a15af5db20843e69472cde86aabd263},
  note         = {Accessed 2026-10-22. 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 James M Rabb & Melinda a Rabb'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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