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· Private foundation

Maxwell V Blum Family Foundation

Its FY2025 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$300k
Granted FY2021
1
Grants FY2021
1
States reached
$300k
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 2021.

Health$2.1MReligion$140kPhilanthropy$14kSocial Science$11kHuman Services$2kEducation$780Arts & Culture$500International$360Other$0
02FY2021 · 1 grant

Where the money goes

Grants by size, and the largest recipients.

$300,000
Median grant
1
States reached
$215k
Total assets
Largest grants
RecipientAmount
MASSACHUSETTS GENERAL HOSPITAL$300,000
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 (FY17–18, $1k) land where the poverty rate runs at 9%, against an area that typically sits at 7%. 100% of those dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 7%JCAM CHARITABLE FOUNDATION: $540 → 8%JCAM CHARITABLE FOUNDATION: $540 → 8%CRADLES TO CRAYONS: $150 → 16%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

ME
NY
MA
NJ
CT
CA
CO
MD
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.

100%of every dollar goes to organizations it has funded before.
$2.2M · 12 repeat orgs$8k to everyone else

Grantees it renews have grown median revenue +162% since the first grant, against +80% for those funded once.

12 repeat relationships: 1 still active in FY2021, 11 since wound down.

How the two cohorts compare

Re-uppedFunded once

Organizations

12
23

Total granted

$2.2M
$8k

Median revenue growth · since first grant

+162%
+80%

Still filing today

42%
26%

New vs renewed · share of each year

In FY2021, 100% of grant dollars renewed an existing relationship; $0 went to new ones.

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

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

’17’18’19’20’21
HealthEducationHuman ServicesSocial ScienceInternationalArts & CultureOther
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

  • Dana-Farber Cancer Institute Inc
    3× · 2017–2019 · $21k · revenue +162%
  • THE ASPEN INSTITUTE INC
    2× · 2017–2018 · $11k · revenue +243%
  • SS
    SILENT SPRING INSTITUTE INC
    3× · 2017–2019 · $2k · revenue +255%

Funded once

  • JC
    JEWISH CEMETARY ASSOCIATION OF MASSACHUSETTS
    one grant, 2019 · $1k
  • BR
    BOCA RATON HOSPITAL FOUNDATION
    one grant, 2018 · $1k
  • NW
    NEWTON WELLESLEY HOSPITAL
    one grant, 2019 · $500
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
Mass General Brigham Incorporated & Affiliates Group Return

Mass general brigham incorporated is developing an integrated health care delivery system throughout the region that offers patients a continuum of coordinated, high-quality care.

Health
2
Sanford Burnham Prebys Medical Discovery Institute

Sanford burnham prebys medical discovery institute's mission is to advance the biomedical sciences by cultivating the next generation of scientific leaders, providing meaningful opportunities for researchers of all backgrounds to learn,…

Health
3
New York Genome Center Inc

Operate a state-of-the-art, world-class genomic research center that creates and uses advanced genomics to understand the genetic basis of disease. for more information, see schedule o.

Health
4
The Broad Institute Inc

The mission of the broad institute is to propel progress in biomedicine, through research aimed at the understanding and treatment of disease and the dissemination of scientific knowledge to the scientific community to benefit the public.…

Health
5
The Johns Hopkins Hospital

For more than 125 years, the mission of the johns hopkins hospital has been to lead the world in the diagnosis and treatment of disease and to train tomorrow's great physicians, nurses and scientists. above all, we aim to provide the…

Health
6
Memorial Sloan-Kettering Cancer Center

Leadership in the prevention, treatment, and cure of cancer through excellence, vision and cost effectiveness in patient care, outreach programs, research, and education.

Health
7
Bar Ilan University in Israel Inc

Biu produces students who excel in the sciences, humanities, law, engineering, business & the arts.

—
8
Massachusetts Eye & Ear Infirmary

THE MASSACHUSETTS EYE AND EAR INFIRMARY ("THE INFIRMARY") IS A NOT-FOR-PROFIT TEACHING HOSPITAL CONDUCTING PATIENT CARE AND RESEARCH. THE INFIRMARY IS A TEACHING HOSPITAL OF HARVARD MEDICAL SCHOOL AND AN INTERNATIONAL CENTER FOR RESEARCH.…

Health
9
The Lieber Institute Inc

The mission of the institute is to translate basic genetic and molecular mechanisms of schizophrenia and related developmental brain disorders into clinical advances that change the lives of affected individuals. it is catalyzing a new…

Health
10
Medtech Innovator

Medtech innovator organizes and runs a global competition and virtual accelerator for medical device, digital health, and diagnostic startup companies.

Education
11
Food Allergy Science Initiative Inc

To accelerate the development of breakthrough discoveries that will transform the lives of people living with food allergies.

—
12
Boston Architectural College

The bac is committed to provide excellence in design education grounded in practice and accessible to diverse communities.

—
How this is measured
The grantee most central to the portfolio’s shape is The Aspen Institute Inc; the most unlike its peers is Illustration Institute. 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

14 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. 14 of the 36 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)
4
Early backer (in before they grew)
12/14
Grantees still filing
10/14
Grew since first funded

Where the money sits, by cause and then by grantee

MASSACHUSETTS GENERAL HOSPITAL: $2,050,000 · OtherMASSACHUSETTS GENERAL HOSPITALTEMPLE EMANUEL: $136,248 · OtherTEMPLE EMANUEL+22 more: $21,091 · OtherDana-Farber Cancer Institute Inc: $20,570 · HealthSILENT SPRING INSTITUTE INC: $1,750 · Health+1 more: $150 · HealthTHE ASPEN INSTITUTE INC: $10,800 · Social ScienceJCAM CHARITABLE FOUNDATION INC: $1,080 · Human ServicesCRADLES TO CRAYONS INC: $150 · Human ServicesGATEWAYS ACCESS TO JEWISH EDUCATION INC: $280 · EducationBERKSHIRE HILLS MUSIC ACADEMY INC: $250 · EducationMassachusetts Institute of Technology: $250 · Education262 FOUNDATION INC: $250 · EducationIMPACTISRAEL INC: $360 · InternationalILLUSTRATION INSTITUTE: $250 · Arts & Culture
Other$2,207,339Health$22,470Social Science$10,800Human Services$1,230Education$1,030International$360Arts & Culture$250

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

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetDana-Farber Cancer Institute Inc: $20,570 over 3y, 0.0% of budgetTHE ASPEN INSTITUTE INC: $10,800 over 2y, 0.0% of budgetSILENT SPRING INSTITUTE INC: $1,750 over 3y, 0.1% of budgetJCAM CHARITABLE FOUNDATION INC: $1,080 over 2y, 0.1% of budgetTHE GIFT OF LIFE CORPORATION: $405 over 2y, 0.3% of budgetIMPACTISRAEL INC: $360 over 1y, 0.0% of budgetGATEWAYS ACCESS TO JEWISH EDUCATION INC: $280 over 2y, 0.0% of budgetILLUSTRATION INSTITUTE: $250 over 1y, 0.2% of budgetBERKSHIRE HILLS MUSIC ACADEMY INC: $250 over 1y, 0.0% of budgetMassachusetts Institute of Technology: $250 over 1y, 0.0% of budget262 FOUNDATION INC: $250 over 1y, 0.3% of budgetCRADLES TO CRAYONS INC: $150 over 1y, 0.0% of budgetBOSTON MEDICAL CENTER CORPORATION: $150 over 1y, 0.0% of budgetSOUTHERN MAINE HEALTH CARE: $100 over 1y, 0.0% 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 Dana-Farber Cancer Institute Inc ↗
  • Who funds THE ASPEN INSTITUTE INC ↗
  • Who funds SILENT SPRING INSTITUTE INC ↗
  • Who funds JCAM CHARITABLE FOUNDATION INC ↗
  • Who funds THE GIFT OF LIFE CORPORATION ↗
  • Who funds IMPACTISRAEL INC ↗
  • Who funds GATEWAYS ACCESS TO JEWISH EDUCATION INC ↗
  • Who funds ILLUSTRATION INSTITUTE ↗
  • Who funds BERKSHIRE HILLS MUSIC ACADEMY INC ↗
  • Who funds Massachusetts Institute of Technology ↗
  • Who funds 262 FOUNDATION INC ↗
  • Who funds CRADLES TO CRAYONS INC ↗
  • Who funds BOSTON MEDICAL CENTER CORPORATION ↗
  • Who funds SOUTHERN MAINE HEALTH CARE ↗

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.

Combined Jewish Philanthropies of Greater Boston IncMA13.2× affinity4 shared granteesties to 3 of 3Hover any node to trace its alignments.Compare side by side →

Open a dossier: Combined Jewish Philanthropies of Greater Boston Inc · Fidelity Investments Charitable Gift Fund · Donor Advised Charitable Giving Inc · Amazonsmile Foundation

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 Maxwell V Blum Family Foundation funds: left to right is the share of its income from government, bottom to top the share from Maxwell V Blum Family Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 30%0%1%3%5%funder's share of their income ↑0%23%45%68%90%share of the org’s income from government →median 12%
  • Berkshire Hills Music Academy Inc: 63% of income from government
  • Massachusetts Institute of Technology: 35% of income from government
  • Boston Medical Center Corporation: 23% of income from government
  • Silent Spring Institute Inc: 12% of income from government
  • Gateways Access to Jewish Education Inc: 7% of income from government
  • Dana-Farber Cancer Institute Inc: 7% of income from government
  • Cradles to Crayons Inc: 2% of income from government
no gov moneyreceives it· size = income
3get no government money at all
1report government grants on their 990 we could not trace to a source (not plotted)
1rely on government for over half their income
⤢ axis zoomed · 0–90%
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 Maxwell V Blum Family Foundation?

Find your warmest path to Maxwell V Blum Family Foundation 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 36 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 2021, released 2021. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Possibly out of date. A more recent filing (FY2025) is on record and reports no grant expense, so the figures above are from FY2021, the most recent year this funder made grants.

Source object · view filing

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