James & Melinda Rabb Family Foundation

Private foundation · Grantmaker Weston, MA EIN: 38-7032850

The James & Melinda Rabb Family Foundation is a private foundation based in Weston, Massachusetts. In filing year 2024, it reported 15 grants totaling $499,202, all to recipients in Massachusetts.

James & Melinda Rabb Family Foundation at a glance

In short: James & Melinda Rabb Family Foundation gave $499K across 15 grants in 2024 (avg $33K), mostly in Massachusetts. 0% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$499,202
-9.8% vs 2023
Grants made (2024)
15
-55.9% vs 2023
Average grant
$33,280
+104.5% vs 2023
Median grant
$14,552
Total assets
$9,056,824
+0.7% vs 2023
New grantees (estimate)
0% first-time grantees (0 of 15, 2024; small sample)
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. New grantees are estimated by matching recipient names across years (methodology).

How to apply to James & Melinda Rabb 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: 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 & Melinda Rabb Family Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Museum of Fine Arts: $241KMuseum of Fine Arts$241KCombined Jewish Philanthropies: $75KCombined Jewish Philanthropies$75KWGBH: $50KWGBH$50KBoston Symphony Orchestra: $28KBoston Symphony Orchestra$28KCelebrity Series: $28KCelebrity Series$28KBoston Ballet: $23KBoston Ballet$23KBoston Lyric Opera: $15KBoston Lyric Opera$15KTemple Emanuel: $15KTemple Emanuel$15KChron's & Colitis Foundation: $12KChron's & Colitis Foundation$12KPhillips Academy: $10KPhillips Academy$10K

The largest 2024 recipient was Museum of Fine Arts ($241K). Together the top 10 received $496K.

Grant Size Distribution

115 grants across all recorded years

97<$50K14$50–100K4$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 97 grants of 115 (84%).

Geographic Focus

Where this funder awards grants

All reported 2024 grant dollars went to recipients in Massachusetts.

Grant Distribution by State

4states

Share of 2024 grant dollars across all 15 itemized grants.

Cities

BostonCambridgeBrooklineNewtonNeedhamSwampscottAndoverCantonMedfordNew YorkWalthamChicagoNantucketProvidenceBrightonJamaica PlainSudburyWestonWellesley

Is James & Melinda Rabb Family Foundation open to new grantees?

0%

first-time grantees, 2024

In 2024, 0 of 15 grantees (0%) were first-time recipients. With only 15 grantees, that is a small sample: one grantee more or less moves the share by about 7 points. How we count

  • 93% of 2024 grantees were also funded in 2023. Method
  • Giving held roughly steady from 2021 to 2024 (+16%). Method
  • In 2024 it paid out 90% 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 (2019–2024). 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$200K$400K$600K37 grants2019 29 grants2020 22 grants2021 15 grants2022 34 grants2023 15 grants2024

From 2019 to 2024, annual grant giving ranged from $416K (2020) to $555K (2019). In 2024 it made 15 grants totaling $499K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Museum of Fine Arts Boston, MACharity$241,000
Combined Jewish Philanthropies Boston, MACharity$75,000
WGBH Boston, MACharity$50,000
Boston Symphony Orchestra Boston, MACharity$28,000
Celebrity Series Boston, MACharity$27,500
Boston Ballet Boston, MACharity$22,600
Boston Lyric Opera Boston, MACharity$15,000
Temple Emanuel Newton, MACharity$14,552
Chron's & Colitis Foundation Needham, MACharity$12,000
Phillips Academy Andover, MACharity$10,000
Your AI grants department

Ready to take the next step with James & Melinda Rabb Family Foundation?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$9,056,824$638,587$583,749$499,20215$516,001$563,898$573,158
2023$8,996,986$435,365$622,249$553,29634$564,545$377,661$537,752
2022$9,183,870$286,340$617,249$545,90015$560,058$244,464$548,124
2021$9,514,779$800,506$523,388$430,38022$447,189$727,711$592,546
2020$9,237,661$429,094$503,537$416,05229—$353,786$492,629
2019$9,312,104$488,502$633,571$554,84637—$436,837$497,857

Under IRS private-foundation payout rules, James & Melinda Rabb Family Foundation reported a distributable amount of $573K for 2024 — 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 2024 grants included support for organizations such as the Boston Symphony Orchestra, Boston Ballet, and Nantucket Historical Association. The Boston Symphony Orchestra describes its mission as fostering an organization dedicated to music and providing performances, education, and training programs. The Nantucket Historical Association says it preserves and interprets Nantucket’s history through its programs, collections, and properties.

Grantmaking

In filing year 2024, the foundation awarded 15 grants totaling $499,202. Grant amounts ranged from $100 to $241,000, with a median of $14,552. Its largest reported grants included $241,000 to the Museum of Fine Arts in Boston, $75,000 to Combined Jewish Philanthropies in Boston, $50,000 to WGBH in Boston, and $28,000 to the Boston Symphony Orchestra in Boston. It also gave $22,600 to Boston Ballet and $150 to the Nantucket Historical Association.

Leadership & Key People

Leadership team and compensation from IRS filings

Melinda A. Rabb was listed as a trustee on the 2024 filing.

James & Melinda Rabb Family Foundation is led by Melinda A. Rabb, Trustee on every filing since 2019 — the only officer listed, and uncompensated.

Officers on the 2024 filing

  • Melinda A. Rabb

    Trustee

    On filings since 2019

    0.3 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2019–2024. "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 & Melinda Rabb Family Foundation

How much does James & Melinda Rabb Family Foundation give each year?

James & Melinda Rabb Family Foundation gave $499K across 15 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $553K across 34 grants.

What is James & Melinda Rabb Family Foundation's typical grant size?

James & Melinda Rabb Family Foundation's median grant in 2024 was $14,552, and its average grant was $33,280, across 15 grants on its 2024 IRS Form 990-PF.

Where does James & Melinda Rabb Family Foundation give grants?

James & Melinda Rabb 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 (8 grants) and Brookline, MA (2 grants).

Does James & Melinda Rabb Family Foundation give general operating support?

Not in 2024: none of the 15 grants with a stated purpose on James & Melinda Rabb Family Foundation's 2024 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Charity" (15 grants).

Who are James & Melinda Rabb Family Foundation's largest grantees?

James & Melinda Rabb Family Foundation's largest 2024 grantees include Museum of Fine Arts ($241,000), Combined Jewish Philanthropies ($75,000) and WGBH ($50,000), according to its 2024 IRS Form 990-PF. Together they received 73% of its itemized 2024 grant dollars.

How large is James & Melinda Rabb Family Foundation?

James & Melinda Rabb Family Foundation reported $9.1M in total assets on its 2024 IRS Form 990-PF. It paid out $516K in qualifying distributions that year, against a required minimum of $573K (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 & Melinda Rabb Family Foundation fund?

No mission statement for the foundation is provided. Its 2024 grants included support for organizations such as the Boston Symphony Orchestra, Boston Ballet, and Nantucket Historical Association. See mission & focus areas ↑

How do I apply for a grant from James & Melinda Rabb 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 James & Melinda Rabb Family Foundation's EIN?

James & Melinda Rabb Family Foundation's EIN (Employer Identification Number) is 38-7032850. IRS Form 990 filing data is available on this page for 2019–2024.

Does James & Melinda Rabb 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 October 2026.

Data update history

(7)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2019 (received by the IRS August 31, 2020)
  2. Updated Form 990-PF for fiscal year 2020 (received by the IRS May 14, 2021)
  3. Updated Form 990-PF for fiscal year 2021 (received by the IRS May 16, 2022)
  4. Updated Form 990-PF for fiscal year 2022 (received by the IRS July 10, 2023)
  5. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 14, 2024)
  6. Updated Form 990-PF for fiscal year 2024 (received by the IRS November 18, 2025)
  7. IRS filings on file for fiscal years 2019–2024

Explore Open Grants

Browse active grant opportunities in James & Melinda Rabb Family Foundation's focus areas in our free grants database

Similar Funders

Funders with grantees in common, and similar funders in Massachusetts

Boston Foundation Inc

Boston, MA

The Boston Foundation funds nonprofits and community initiatives focused on equity and opportunity, including child well-being, economic opportunity, community wealth, and community leadership, primarily in Greater Boston. Its 2025 grants had a median of $25,000, while specific programs offer amounts such as $50,000; whether it accepts unsolicited requests is not stated.

Assets

$2.1B

Grants

2,375

Total Given

$228.4M

Bristol-Myers Squibb Foundation Inc

Princeton, NJ

The Bristol-Myers Squibb Foundation supports health access and stronger health systems, with a focus on adult and pediatric cancers, blood disorders, brain health, and clinical-trial participation in the United States, Brazil, India, and ten Sub-Saharan African countries. In 2024, its median grant was about $134,000, though awards varied widely; it does not state whether it accepts unsolicited requests, and advises prospective applicants to contact the Foundation about its process.

Assets

$83.3M

Grants

144

Total Given

$67.7M

Eastern Bank Foundation

Wakefield, MA

Eastern Bank Foundation supports economic inclusion and mobility, including small businesses, early childhood development, affordable housing, and workforce development. Its 2025 grants ranged from $50 to $2,002,500, with a median of $2,500, primarily in Massachusetts and also in New Hampshire and Rhode Island. It accepts online applications and does not limit giving to preselected organizations.

Assets

$266.7M

Grants

1,786

Total Given

$19.0M

Barr Foundation

Boston, MA

The Barr Foundation funds arts and creativity, climate, education, and New England’s social sector, primarily through long-term support for organizations in New England. Its 2024 grants ranged from $100 to $3.275 million, with a median of $80,000. Its filing says it accepts only requests from preselected organizations and does not accept unsolicited requests, though its website describes program-page inquiries and occasional open calls.

Assets

$1.9B

Grants

903

Total Given

$123.2M

Liberty Mutual Foundation Inc

Boston, MA

Liberty Mutual Foundation funds basic needs such as food and shelter, education and workforce development, and climate and community infrastructure, including homelessness and community preparedness programs. Its 2024 grants had a median of $35,000, and most funding supports organizations or programs serving the Boston area, though it also gives elsewhere. It accepts unsolicited online requests on a rolling basis, with no submission deadlines.

Philanthropy, Voluntarism & Grantmaking

Assets

$46.1M

Grants

706

Total Given

$50.6M

Cummings Foundation Grants Inc (FKA Oneworld Boston Inc)

Woburn, MA

Cummings Foundation Grants Inc. funds nonprofits working in human services, education, healthcare, fairness and justice, and the environment, primarily in greater Boston and eastern Massachusetts. Its 2024 grants ranged from $1,000 to $3.5 million, with a median of $35,000; it accepts letters of inquiry through an online portal during its application cycle, which was not open at the time described.

Philanthropy, Voluntarism & Grantmaking

Assets

$258.2M

Grants

658

Total Given

$38.2M

More similar funders

More Funders in Massachusetts

Cite this profile

Grantable. (2026). James & Melinda Rabb Family Foundation funder profile. GrantGraph. Retrieved October 4, 2026, from https://grantable.co/funders/james-and-melinda-rabb-family-foundation-morg_c13702b27a654152b5c3510323b169f9

BibTeX
@misc{grantable_387032850_2026,
  author       = {{Grantable}},
  title        = {{James \& Melinda Rabb Family Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/james-and-melinda-rabb-family-foundation-morg_c13702b27a654152b5c3510323b169f9},
  note         = {Accessed 2026-10-04. 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 & Melinda Rabb Family 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.

James & Melinda Rabb Family Foundation down — hundreds of funders to go?

Want AI to do this for you?