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· Private foundation

Maimon and Ruth Kirschenbaum Foundation Inc

Its FY2024 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$306k
Granted FY2024still arriving
34
Grants FY2024still arriving
8
States reached
$77k
Largest
01What it funds
01100% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2024.

Religion$1.5MHuman Services$366kInternational$17kEducation$5kFood & Nutrition$5kPhilanthropy$3kHealth$1k
02FY2024 · 34 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2024

  • Under $10k26 grants · $48k
  • $10k–50k6 grants · $122k
  • $50k–250k2 grants · $136k
$1,800
Median grant
8
States reached
$3k
Total assets
Largest grants
RecipientAmount
Individual grant recipient$76,530
Zichron Shmuel$59,100
Bikur Cholim of Crown Heights$37,800
Chabad Lubavitch of the West Side$25,500
Goodness and Kindness$20,489
Cheder Chabad Monsey$14,500
Chabad of Carrollton Lewisville$12,160
Chabad Lubavitch of the Main Line$12,000
Neeman Foundation USA$6,000
Kehot Publication Society$5,000
Chabad of the Hague$4,320
Other - Multiple small Donations$3,795
Chabad Glencoe$3,460
Individual grant recipient$2,500
Merkos Linyonei Chinuch Inc$2,000
02The need
03

Does the money reach high-need areas?

Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.

show:

Its human-services grants (FY17–24, $367k) land where the poverty rate runs at 20%, against an area that typically sits at 11%. 100% of those dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 11%Keren Simchas Choson Vekallah: $5k → 20%Keren Simchas Choson Vekallah: $5k → 20%Keren Simchas Choson Vekallah: $2k → 20%Keren Simchas Choson Vekallah: $1k → 20%Hillel Of Rockland County Inc: $1k → 14%Bikur Cholim of Crown Heights: $64k → 20%Bikur Cholim of Crown Heights: $64k → 20%Bikur Cholim of Crown Heights: $41k → 20%Bikur Cholim of Crown Heights: $40k → 20%Bikur Cholim of Crown Heights: $38k → 20%Bikur Cholim of Crown Heights: $36k → 20%Bikur Cholim of Crown Heights: $36k → 20%Bikur Cholim of Crown Heights: $34k → 20%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount
How this is measured
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty line in the grantee’s ZIP, averaged from the tracts in that ZIP.

Which US states its grants reach

MT
IL
NY
MA
WY
IN
PA
NJ
CA
MD
NM
DC
LA
TX
FL
How this is measured
US grants placed by each grantee’s ZIP, which can differ from where services are delivered. Need from public data (U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA), shown as context about the area, never attributed to the funder’s giving.
03Its grantees
repeat funding

Who it funds again

Organizations funded in more than one year, against those funded once.

94%of every dollar goes to organizations it has funded before.
$1.8M · 43 repeat orgs$109k to everyone else

Grantees it renews have grown median revenue +20% since the first grant, against -28% for those funded once.

43 repeat relationships: 24 still active in FY2024, 19 since wound down; 9 grantees were first funded in FY2024 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

43
27

Total granted

$1.8M
$67k

Median revenue growth · since first grant

+20%
-28%

Still filing today

21%
11%

New vs renewed · share of each year

In FY2024, 86% of grant dollars renewed an existing relationship; $42k went to new ones.

50%100%’17’18’19’20’21’22’23’24
RenewedFirst-time

Where new relationships form · theme of each grantee’s first grant

’17’18’19’20’21’22’23’24
EducationHuman ServicesPhilanthropyReligionInternationalFood & NutritionOther
How this is measured
First-time means a grantee’s first year in the filing window; renewed means funded in an earlier year too. The renewed share climbs naturally as a portfolio matures, so the signal is a year that bucks it (a wave of new grantees). The earliest year is left-censored: relationships that predate the data read as new. Theme is the grantee’s IRS cause.

Backed again, and grew

  • BC
    BIKUR CHOLIM OF CROWN HEIGHTS
    8× · 2017–2024 · $353k · revenue +219%
  • KS
    Keren Simchas Chosson Ve Kallah
    4× · 2020–2023 · $13k · revenue +25%
  • TA
    The Avner Institute Inc
    5× · 2019–2024 · $5k · revenue +20%

Funded once

  • IG
    Individual grant recipient
    one grant, 2021 · $15k
  • IG
    Individual grant recipient
    one grant, 2019 · $10k
  • EI
    EDUCATIONAL INSTITUTE OHOLEI TORAH OF BROOKLYN INC
    one grant, 2021 · $5k
How this is measured

Repeat means funded in two or more distinct years. Growth and survival are read from each grantee’s own subsequent IRS filings.

04Its field

Closest unfunded matches

The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.

1
Chevras Shabbos Kodesh Podcast Fellowship
Religion
2
Chabad Lametayel Inc

encourage and facilitate the observance of traditional orthodox Jewish practices around the world.

—
3
Yeshiva Ohr Yisroel
Philanthropy
4
Sherit Isroel
—
5
Zohar Hatorah Inc

Religious School

Religion
6
Chabad of Bensonhurst Inc

Chabad of Bensonhurst Inc is an organization dedicated to furthering the religious, educational, and charitable needs of the Jewish Community.

—
7
Gemilas Chesed Kramer Inc
Philanthropy
8
The Nochim & Rivka Zeldes Foundation
—
9
Chasdei Dovid Elimelech Inc
Philanthropy
10
Tomchei Torah Inc

Religious Teaching

—
11
Chevrah Lomdei Mishnah Inc

Promoting study of Mishnah and other Jewish texts

Religion
12
Keren Yaakov Ben Menachen Tzvi Foundation
Philanthropy
How this is measured
The grantee most central to the portfolio’s shape is Agudath Israel of America; the most unlike its peers is Jewish National Fund (Keren Kayemeth Leisrael) Inc. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
04the grantee network

17 grantees tracked through their own filings, 2017–2025.

Each grant beside the grantee’s revenue from every source, year by year.

How this is measured

Counted here: distinct organizations funded across 2017 to 2025, not grant rows in a single year, so this will not match the grant count on the cover. 17 of the 82 grantees resolved in that span have returns of their own we could reconcile.

Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.

0
Load-bearing (≥25% of a budget)
2
Early backer (in before they grew)
17/17
Grantees still filing
8/17
Grew since first funded

Where the money sits, by cause and then by grantee

Individual grant recipient: $331,116 · OtherIndividual grant recipientCHABAD LUBAVITCH OF THE WEST SIDE INC: $240,432 · OtherCHABAD LUBAVITCH OF THE WEST SIDE INCZICHRON SHMUEL: $159,300 · OtherZICHRON SHMUELCHABAD OF WASHINGTON HEIGHTS INC: $154,328 · OtherCHABAD OF WASHINGTON HEIGHTS INCCHABAD OF PLANO-COLLIN COUNTY INC: $66,790 · OtherBEIS GAVRIEL: $63,280 · OtherCHABAD LUBAVITCH OF THE MAIN LINE INC: $58,380 · OtherGOODNESS AND KINDNESS INC: $55,515 · Other+59 more: $393,905 · Other+59 moreBIKUR CHOLIM OF CROWN HEIGHTS: $352,700 · Human ServicesBIKUR CHOLIM OF CROWN…Keren Simchas Chosson Ve Kallah: $13,080 · Human Services+1 more: $1,000 · Human ServicesCHEDER CHABAD OF MONSEY: $14,500 · EducationMIFAL HAFATZA INC: $4,960 · EducationMENACHEM EDUCATION FOUNDATION INC: $3,000 · EducationSEFARIA INC: $1,998 · EducationFEDERATION OF JEWISH COMMUNITIES OF THE CIS INC: $9,740 · PhilanthropyCROWN HEIGHTS CHEVRA SIMCHAS SHABBOS V'YOM TOV INC: $1,530 · PhilanthropyPAYPAL CHARITABLE GIVING FUND: $1,000 · PhilanthropyNE EMAN FOUNDATION USA: $6,000 · InternationalJEWISH NATIONAL FUND (KEREN KAYEMETH LEISRAEL) INC: $1,000 · InternationalMASBIA: $4,537 · Food & NutritionTHE TORAH LEARNING PROJECT: $2,400 · ReligionChevra Hatzalah of Crown Heights Corp: $1,000 · Public Safety & Disaster
Other$1,523,046Human Services$366,780Education$24,458Philanthropy$12,270International$7,000Food & Nutrition$4,537Religion$2,400Public Safety & Disaster$1,000

Each grantee by its size and the funder’s share of it; top left is load-bearing

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetBIKUR CHOLIM OF CROWN HEIGHTS: $352,700 over 8y, 20% of budgetCHEDER CHABAD OF MONSEY: $14,500 over 1y, 0.1% of budgetKeren Simchas Chosson Ve Kallah: $13,080 over 4y, 0.2% of budgetFEDERATION OF JEWISH COMMUNITIES OF THE CIS INC: $9,740 over 3y, 0.0% of budgetNE EMAN FOUNDATION USA: $6,000 over 1y, 0.1% of budgetThe Avner Institute Inc: $5,160 over 5y, 0.6% of budgetMIFAL HAFATZA INC: $4,960 over 2y, 1.8% of budgetMASBIA: $4,537 over 4y, 0.1% of budgetMENACHEM EDUCATION FOUNDATION INC: $3,000 over 3y, 0.2% of budgetTHE TORAH LEARNING PROJECT: $2,400 over 1y, 0.7% of budgetAGUDATH ISRAEL OF AMERICA: $2,100 over 1y, 0.0% of budgetSEFARIA INC: $1,998 over 3y, 0.0% of budgetCROWN HEIGHTS CHEVRA SIMCHAS SHABBOS V'YOM TOV INC: $1,530 over 2y, 0.0% of budgetPAYPAL CHARITABLE GIVING FUND: $1,000 over 1y, 0.0% of budgetJEWISH NATIONAL FUND (KEREN KAYEMETH LEISRAEL) INC: $1,000 over 1y, 0.0% of budgetChevra Hatzalah of Crown Heights Corp: $1,000 over 1y, 0.0% of budgetHILLEL OF ROCKLAND COUNTY INC: $1,000 over 1y, 0.1% of budget
Grantee by grantee: a decade per organization, before and after funding

A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.

  • Who funds BIKUR CHOLIM OF CROWN HEIGHTS ↗
  • Who funds CHEDER CHABAD OF MONSEY ↗
  • Who funds Keren Simchas Chosson Ve Kallah ↗
  • Who funds FEDERATION OF JEWISH COMMUNITIES OF THE CIS INC ↗
  • Who funds NE EMAN FOUNDATION USA ↗
  • Who funds The Avner Institute Inc ↗
  • Who funds MIFAL HAFATZA INC ↗
  • Who funds MASBIA ↗

Co-funders

Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.

The Ojc FundNY29× affinity17 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: The Ojc Fund · Nash Charity Foundation Inc · Jewish Communal Fund · Maon Noam Inc · Lets Make It Happen Ny Inc · Associated Jewish Charities of Baltimore · Gs Donor Advised Philanthropy Fund for Wealth Management Inc · Saul Schottenstein Foundation C · Barber Family Foundation · The Rapoport Family Foundation Inc · Crain-Maling Foundation · The Rav-Noy Family Foundation Inc

How this is measured
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. Overlap is association, not proof of shared intent.

How much its grantees rely on government

Each dot is one organization Maimon and Ruth Kirschenbaum Foundation Inc funds: left to right is the share of its income from government, bottom to top the share from Maimon and Ruth Kirschenbaum Foundation Inc. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 10%1%3%6%10%funder's share of their income ↑0%1%3%4%5%share of the org’s income from government →
    no gov moneyreceives it· size = income
    1get no government money at all
    3report government grants on their 990 we could not trace to a source (not plotted)
    0rely on government for over half their income
    ⤢ axis zoomed · 0–5%
    typical government reliance, FY20–25
    How this is measured
    Government income is each org’s traced federal awards (USASpending grants and contracts) plus state payments (open checkbooks) as a share of its total revenue (IRS Form 990); the self-reported government-grant line (990 line 1e) is carried for cross-check: a grantee that reports government grants we could not trace to a source is left off the chart rather than shown as receiving none. An association, not a claim that a grant caused the public funding. Coverage is precision-first, a floor rather than a census; state records exist for 9 states, so a grantee outside them shows no state figure (dimmed) rather than a false zero. Federal award amounts are obligations, which can span years, so a single-year share is indicative. 990 filings lag 12 to 24 months.
    05Through Plinth

    Warm introductions · Powered by PlinthPlus

    How do I get to Maimon and Ruth Kirschenbaum Foundation Inc?

    Find your warmest path to Maimon and Ruth Kirschenbaum Foundation Inc through trustees and officers whose names appear on both boards. Search for your organization and Plinth traces the shortest route it can evidence.

    Each link is a name appearing on two organizations’ public IRS 990 filings, matched on that name and, where the filings support it, on location. A same-state match has geographic support, which is a second matching feature rather than confirmation that the two are one person; a cross-state one is the likeliest to be two people who share a name. Every hop shows its tier, low-confidence and distant paths are held back rather than guessed, and it is worth confirming the person before you use the introduction.

    On method. Every financial figure here is read from IRS e-file XML, the funder’s own 990/990-PF, and from the multi-year returns of the 82 grantees we resolved, each linked to its source. Grantee outcomes are each organization’s own program-service reporting (Form 990, Part III), read as association with funding, never as caused by it. Low-confidence name matches are suppressed rather than guessed. How we build these →

    How this is measured
    Each figure carries one of six labels. Filed is what the funder reported on its return. Official is another government record about an organization, such as a federal award or a charity register, joined by name where no shared identifier exists. Resolved is an identity we worked out where the filing named a recipient without an EIN, kept only above a measured confidence threshold. Computed is arithmetic over those, like themes, portfolio clusters and co-funder strength. Context is a statistic about a place rather than about an organization, which is what the need overlay is: it describes the area a grantee’s address sits in, not where its work lands. Inferred is drawn by a model from text, like the partnerships read out of public news and organization websites. Each is labeled where it appears.

    Generated from the IRS Form 990-PF e-file return for fiscal year 2024, released 2024. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

    Source object · view filing

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