The Martha and Max Rubinstein Family

Private foundation · Grantmaker Lexington, MA EIN: 14-1852996

The Martha and Max Rubinstein Family is a private foundation based in Lexington, Massachusetts. Its 2025 filing reports 45 grants totaling $55,750, including grants for religious endeavors, education, medical research, and cultural activities.

The Martha and Max Rubinstein Family at a glance

In short: The Martha and Max Rubinstein Family gave $56K across 45 grants in 2025 (avg $1K), mostly in Massachusetts. 9% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$55,750
-8.9% vs 2024
Grants made (2025)
45
+2.3% vs 2024
Average grant
$1,239
-10.9% vs 2024
Median grant
$1,000
Total assets
$1,060,483
+0.6% vs 2024
New grantees (estimate)
9% first-time grantees (4 of 45, 2025)
Primary geography
Massachusetts (78% 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 The Martha and Max Rubinstein Family

Accepts unsolicited proposals
No
How to Apply

The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.

Contact

Mailing address: 405 Waltham Street Pmb 351, Lexington, MA 02421
Phone: (781) 789-0936

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

Who The Martha and Max Rubinstein Family funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Temple B'nai Abraham: $6KTemple B'nai Abraham$6KCJP (Israel Emergency Fund): $4KCJP (Israel Emergency Fund)$4KCape Cod Synagogue: $3KCape Cod Synagogue$3KTemple Aliyah: $3KTemple Aliyah$3KNational Multiple Sclerosis Society: $2KNational Multiple SclerosisSociety$2KAmerican Parkinson Disease Assoc (Ma Chapter): $2KAmerican Parkinson DiseaseAssoc (Ma Chapter)$2KParkinson's Support Network of Cape Cod: $2KParkinson's Support Network ofCape Cod$2KColby College - Grossman Research Fund: $2KColby College - GrossmanResearch Fund$2KAmerican Friends of Hebrew University: $2KAmerican Friends of HebrewUniversity$2KAmerican Jewish Joint Distribution Committee: $2KAmerican Jewish JointDistribution Committee$2K

The largest 2025 recipient was Temple B'nai Abraham ($6K). Together the top 10 received $27K.

Grant Size Distribution

230 grants across all recorded years

230<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 230 grants of 230 (100%).

Geographic Focus

Where this funder awards grants

In 2025, Massachusetts recipients received 78% of grant dollars, followed by New York at 13%, Maine at 6%, Iowa at 2%, and Missouri at 1%.

Grant Distribution by State

9states

Share of 2025 grant dollars across all 45 itemized grants.

Cities

BostonNew YorkWalthamNeedhamBeverlyHyannisDedhamAuburndaleBrooklineBrunswickCambridgeDanversMarbleheadNewton CentreNorthamptonPeabodyWatervilleMarlboroughS DennisSwampscott

Is The Martha and Max Rubinstein Family open to new grantees?

9%

first-time grantees, 2025

In 2025, 4 of 45 grantees (9%) were first-time recipients. First grants averaged $875; repeat grants $1K. How we count

Medians: $1K first-time, $1K repeat.

  • 89% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (−11%). Method
  • In 2025 it paid out 86% 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 (2021–2025). 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

$0$20K$40K$60K$80K46 grants2021 47 grants2022 48 grants2023 44 grants2024 45 grants2025

From 2021 to 2025, annual grant giving ranged from $56K (2025) to $69K (2023). In 2025 it made 45 grants totaling $56K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Temple B'nai Abraham Beverly, MAFor Religious Endeavors$6,000
CJP (Israel Emergency Fund) Boston, MACultural & Other Similar Activities$3,500
Cape Cod Synagogue Hyannis, MAFor Religious Endeavors$3,000
Temple Aliyah Needham, MAFor Religious Endeavors$3,000
National Multiple Sclerosis Society Waltham, MAMedical Research$2,250
American Parkinson Disease Assoc (Ma Chapter) Boston, MAMedical Research$2,000
Parkinson's Support Network of Cape Cod Boston, MAMedical Research$2,000
Colby College - Grossman Research Fund Waterville, MEEducation$1,750
American Friends of Hebrew University New York, NYEducation$1,500
American Jewish Joint Distribution Committee New York, NYCultural & Similar Activities$1,500
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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
2025$1,060,483$98,818$92,275$55,75045$63,124$69,667$73,616
2024$1,053,940$98,099$94,084$61,20044$69,860$73,875$68,347
2023$1,049,925$57,348$99,094$68,98548$76,916$34,919$65,663
2022$1,091,671$110,627$93,172$62,85247$70,942$88,247$76,575
2021$1,074,216$117,865$86,708$57,70046—$95,946$70,745

Under IRS private-foundation payout rules, The Martha and Max Rubinstein Family reported a distributable amount of $74K 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 for the foundation is provided. Its 2025 grants show support for organizations working in areas including religion, education, medical research, and cultural activities. Examples include New England Hebrew Academy, which describes its mission as providing religious and secular education from preschool through high school, and Bowdoin College, whose stated mission centers on a four-year liberal arts education.

Other 2025 recipients include Yad Chessed Fund, which says it provides emergency financial assistance and guidance to Jewish individuals experiencing financial distress and food insecurity, and Keshet, which describes its work as advancing equality for LGBTQ Jews and their families in Jewish life.

Grantmaking

In 2025, the foundation gave 45 grants totaling $55,750. Grants ranged from $250 to $6,000, with a median grant of $1,000. Among the larger awards were $6,000 to Temple B’nai Abraham for religious endeavors; $3,500 to CJP’s Israel Emergency Fund for cultural and similar activities; and $3,000 each to Cape Cod Synagogue and Temple Aliyah for religious endeavors. Other grants included $2,250 to the National Multiple Sclerosis Society for medical research and $1,750 to Colby College’s Grossman Research Fund for education. New England Hebrew Academy and Bowdoin College each received $1,500.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists L Seth Stadfeld as trustee.

The Martha and Max Rubinstein Family is led by L. Seth Stadfeld, Trustee on every filing since 2024 — the only officer listed, and compensated.

Officers on the 2025 filing

  • L. Seth Stadfeld

    Trustee

    On filings since 2024

    1.5 hrs/week

    $4K (2025)

Former officers (1)
  • Former: Lseth Stadfeld (2021–2023) — Trustee

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.

Compensation Overview

From 2025 IRS filing

L Seth Stadfeld — Trustee: $4KL Seth StadfeldTrustee$4K

The highest reported compensation on the 2025 filing was $4K, to L Seth Stadfeld (Trustee).

Frequently asked questions about The Martha and Max Rubinstein Family

How much does The Martha and Max Rubinstein Family give each year?

The Martha and Max Rubinstein Family gave $56K across 45 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $61K across 44 grants.

What is The Martha and Max Rubinstein Family's typical grant size?

The Martha and Max Rubinstein Family's median grant in 2025 was $1,000, and its average grant was $1,239, across 45 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Martha and Max Rubinstein Family that year got $875 on average.

Where does The Martha and Max Rubinstein Family give grants?

The Martha and Max Rubinstein Family gives mostly in Massachusetts: 78% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were New York (13%) and Maine (6%). The most frequent recipient cities were Boston, MA (10 grants), New York, NY (7 grants), Waltham, MA (6 grants) and Needham, MA (3 grants).

Does The Martha and Max Rubinstein Family give general operating support?

Occasionally: 9% of The Martha and Max Rubinstein Family's 2025 grants with a stated purpose (4 of 45) were for general or operating support, per its 2025 IRS Form 990-PF. Recurring purposes include "Education" (10 grants), "Medical Research" (7 grants) and "Cultural & Other Similar Activities" (5 grants).

Who are The Martha and Max Rubinstein Family's largest grantees?

The Martha and Max Rubinstein Family's largest 2025 grantees include Temple B'nai Abraham ($6,000), CJP (Israel Emergency Fund) ($3,500) and Cape Cod Synagogue ($3,000), according to its 2025 IRS Form 990-PF. Together they received 22% of its itemized 2025 grant dollars.

How large is The Martha and Max Rubinstein Family?

The Martha and Max Rubinstein Family reported $1.1M in total assets on its 2025 IRS Form 990-PF. It paid out $63K in qualifying distributions that year, against a required minimum of $74K (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 The Martha and Max Rubinstein Family fund?

No mission statement for the foundation is provided. Its 2025 grants show support for organizations working in areas including religion, education, medical research, and cultural activities. See mission & focus areas ↑

How do I apply for a grant from The Martha and Max Rubinstein Family?

The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is The Martha and Max Rubinstein Family's EIN?

The Martha and Max Rubinstein Family's EIN (Employer Identification Number) is 14-1852996. IRS Form 990 filing data is available on this page for 2021–2025.

Does The Martha and Max Rubinstein Family 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 2021–2025

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Cite this profile

Grantable. (2026). The Martha and Max Rubinstein Family funder profile. GrantGraph. Retrieved October 10, 2026, from https://grantable.co/funders/the-martha-and-max-rubinstein-family-morg_9c6c1dddb7174911b742f61197502c46

BibTeX
@misc{grantable_141852996_2026,
  author       = {{Grantable}},
  title        = {{The Martha and Max Rubinstein Family funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/the-martha-and-max-rubinstein-family-morg_9c6c1dddb7174911b742f61197502c46},
  note         = {Accessed 2026-10-10. 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 The Martha and Max Rubinstein Family'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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