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· Private foundation

The Aileen K and Brian L Roberts Foundation

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.

$2.1M
Granted FY2024still arriving
41
Grants FY2024still arriving
7
States reached
$1.0M
Largest
01What it funds
0197% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2020 to 2024.

Education$9.9MHealth$8.1MArts & Culture$7.4MRecreation & Sports$2.2MYouth Development$1.3MCrime & Legal$1.0MCivil Rights$1.0MPhilanthropy$815kOther$0
02FY2024 · 41 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2024

  • Under $10k12 grants · $39k
  • $10k–50k21 grants · $408k
  • $50k–250k7 grants · $692k
  • $250k+1 grant · $1.0M
$20,000
Median grant
7
States reached
$62M
Total assets
Largest grants
RecipientAmount
FOUNDATION TO COMBAT ANTISEMITISM$1,000,000
OPEN SQUASH$166,667
TUITION SUPPORT FUND INC$150,000
Individual grant recipient$100,000
FOR PETE'S SAKE$100,000
UNIVERSITY OF PENNSYLVANIA$75,000
PROJECT HOME$50,000
THE JEWISH FEDERATION OF PHILADELPHIA$50,000
WENDY NOVAK DIABETES INSTITUTE$40,000
SOCIETY OF THE FOUR ARTS$25,000
SPIN$25,000
FIRST TEE GREATER PHILADELPHIA$25,000
CULTURETRUST GREATER PHILADELPHIA$25,000
THOMAS JEFFERSON UNIVERSITY$25,000
PHILADELPHIA MUSEUM OF ART$25,000
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 (FY21–24, $392k) land where the poverty rate runs at 20%, against an area that typically sits at 9%. 90% of those dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 9%RYAN'S CASE FOR SMILES: $10k → 6%MARTHA'S VINEYARD COMMUNITY SERVICES: $20k → 8%MARTHA'S VINEYARD COMMUNITY SERVICES: $10k → 8%PROJECT HOME: $101k → 22%PROJECT HOME: $100k → 22%PROJECT HOME: $100k → 22%PROJECT HOME: $50k → 22%FACE TO FACE: $1k → 22%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

WA
IL
NY
MA
PA
NJ
CA
KY
VA
DC
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.

58%of every dollar goes to organizations it has funded before.
$17M · 38 repeat orgs$13M to everyone else

38 repeat relationships: 22 still active in FY2024, 16 since wound down; 17 grantees were first funded in FY2024 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

38
64

Total granted

$17M
$11M

Median revenue growth · since first grant

+10%
+17%

Still filing today

68%
30%

New vs renewed · share of each year

In FY2024, 18% of grant dollars renewed an existing relationship; $1.7M went to new ones.

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

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

’20’21’22’23’24
Arts & CultureEducationHealthRecreation & SportsEnvironmentHuman ServicesOther
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

  • TC
    THE CHILDREN'S HOSPITAL OF PHILADELPHIA
    4× · 2021–2024 · $7.5M · revenue +45%
  • PM
    PHILADELPHIA MUSEUM OF ART
    5× · 2020–2024 · $3.1M · revenue +14%
  • MU
    MACCABI USA INC
    3× · 2020–2022 · $627k · revenue +95%

Funded once

  • SD
    SCHOOL DISTRICT OF PHILADELPHIA
    one grant, 2020 · $5.0M
  • TC
    THE CALDER MUSEUM
    one grant, 2023 · $1.0M
  • EVERYTOWN FOR GUN SAFETY SUPPORT FUND INC
    one grant, 2022 · $1.0M · revenue -36%
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
The Trustees of Princeton University

Research, education and general - princeton university is a private not-for-profit, non-sectarian institution of higher learning with approximately 5,700 undergraduate and 3,300 graduate students. 2,500 students graduated in the 2024-2025…

Education
2
The Pierpont Morgan Library

The Morgan Library & Museum celebrates and shares the history and process of human creativity from antiquity to the present day through the preservation, study, and interpretation of a dynamic and growing collection.

Education
3
Massachusetts Institute of Technology

The mission of mit is to advance knowledge and educate students in science, technology, and other areas of scholarship that will best serve the nation and the world in the 21st century.

Education
4
The Jewish Museum

The mission of the jewish museum is to collect, preserve, exhibit and interpret art and jewish culture. see schedule o for more information.

Arts & Culture
5
Manhattanville University

To educate students to be ethical and socially responsible leaders in a global community.

Education
6
Boston Architectural College

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

—
7
Museum of Modern Art

The Museum of Modern Art is a private, non-profit institution chartered by the State of New York Department of Education in 1929 to foster public awareness of modern and contemporary art. (Continued in Schedule O)

Arts & Culture
8
The Brooklyn Institute of Arts and Sciences

The mission of the brooklyn institute of arts and sciences, d/b/a brooklyn museum (the "museum") is to bring people together through art and experiences that inspire celebration, compassion, courage, and the will to act. (see schedule o).

Arts & Culture
9
The Phillips Collection

The phillips collection is the oldest museum of modern and contemporary art in the u.s. in addition to presentation of works from the permanent collection and special exhibitions, the museum maintains active educational, academic,…

Arts & Culture
10
The Trustees of the Smith College

Smith college educates women of promise for lives of distinction and purpose. a college of and for the world, smith college links the power of the liberal arts to excellence in research and scholarship, developing leaders for society's…

Education
11
Institute for Advanced Study - Louis Bamberger & Mrs Felix Fuld Foundation

The institute for advanced study (the institute) is one of the world's leading centers for theoretical research and intellectual inquiry. see schedule o.

Science & Tech
12
New York University

Nyu is a private university with approximately 60,000 matriculating students in 20 schools and institutes. nyu's primary missions are education, research and scholarship, and patient care.

Education
How this is measured
The grantee most central to the portfolio’s shape is Culturetrust Greater Philadelphia; the most unlike its peers is Foundation to Combat Anti-Semitism 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

60 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. 60 of the 122 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)
9
Early backer (in before they grew)
60/60
Grantees still filing
39/60
Grew since first funded

Where the money sits, by cause and then by grantee

SCHOOL DISTRICT OF PHILADELPHIA: $5,000,000 · OtherSCHOOL DISTRICT OF PHILADELPHIATHE CALDER MUSEUM: $1,044,125 · OtherTHE CALDER MUSEUMWEST PALM GOLF COMMUNITY TRUST INC: $1,005,000 · OtherWEST PALM GOLF COMMUNITY TRUST INCBOYS AND GIRLS CLUB: $995,162 · OtherBOYS AND GIRLS CLUB+84 more: $4,159,522 · Other+84 moreTHE CHILDREN'S HOSPITAL OF PHILADELPHIA: $7,506,490 · HealthTHE CHILDREN'S HOSPITAL O…+4 more: $140,500 · HealthPHILADELPHIA MUSEUM OF ART: $3,125,681 · Arts & CulturePHILADELPHIA MUSEUM…THE BARNES FOUNDATION: $2,046,051 · Arts & CultureTHE BARNES FOUNDATI…MUSEUM OF THE AMERICAN REVOLUTION: $254,068 · Arts & CultureTHE BARACK OBAMA FOUNDATION: $196,571 · Arts & Culture+10 more: $255,000 · Arts & CultureTRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA: $3,757,635 · EducationTRUSTEES OF THE …THOMAS JEFFERSON UNIVERSITY: $623,208 · EducationTHOMAS JEFFERSON…VILLANOVA UNIVERSITY: $242,446 · Education+5 more: $267,500 · Education+5 moreFOUNDATION TO COMBAT ANTI-SEMITISM INC: $1,000,000 · Civil RightsEVERYTOWN FOR GUN SAFETY SUPPORT FUND INC: $1,000,000 · Crime & LegalMACCABI USA INC: $626,615 · Recreation & SportsOPEN SQUASH INC: $166,667 · Recreation & SportsTHE FIRST TEE OF GREATER PHILADELPHIA INC: $45,000 · Recreation & SportsSQUASH AND EDUCATION ALLIANCE INC: $40,000 · Recreation & Sports+1 more: $25,000 · Recreation & Sports
Other$12,203,809Health$7,646,990Arts & Culture$5,877,371Education$4,890,789Civil Rights$1,000,000Crime & Legal$1,000,000Recreation & Sports$903,282

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 budgetTHE CHILDREN'S HOSPITAL OF PHILADELPHIA: $7,506,490 over 4y, 0.1% of budgetTRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA: $3,757,635 over 5y, 0.0% of budgetPHILADELPHIA MUSEUM OF ART: $3,125,681 over 5y, 1.2% of budgetTHE BARNES FOUNDATION: $2,046,051 over 2y, 9.3% of budgetWEST PALM GOLF COMMUNITY TRUST INC: $1,005,000 over 2y, 3.5% of budgetFOUNDATION TO COMBAT ANTI-SEMITISM INC: $1,000,000 over 1y, 0.7% of budgetEVERYTOWN FOR GUN SAFETY SUPPORT FUND INC: $1,000,000 over 1y, 1.7% of budgetMACCABI USA INC: $626,615 over 3y, 12% of budgetTHOMAS JEFFERSON UNIVERSITY: $623,208 over 4y, 0.0% of budgetPROJECT HOME: $350,478 over 4y, 0.2% of budgetMUSEUM OF THE AMERICAN REVOLUTION: $254,068 over 2y, 1.7% of budgetVILLANOVA UNIVERSITY: $242,446 over 1y, 0.0% of budgetTHE BARACK OBAMA FOUNDATION: $196,571 over 1y, 0.1% of budgetSHERIFF'S MEADOW FOUNDATION: $175,980 over 2y, 2.7% of budgetOPEN SQUASH INC: $166,667 over 1y, 2.6% of budgetThe George Washington University: $100,000 over 2y, 0.0% of budgetFOR PETE'S SAKE CANCER RESPITE FOUNDATION: $100,000 over 1y, 3.8% of budgetThe Society of the Four Arts Inc: $87,000 over 3y, 0.2% of budgetISLAND GROWN INITIATIVE LTD: $75,000 over 3y, 0.7% of budgetBIRTHRIGHT ISRAEL FOUNDATION: $61,000 over 2y, 0.0% of budgetLost Tree Village Charitable Foundation: $61,000 over 2y, 0.5% of budgetCommonwealth Youthchoirs Inc: $50,000 over 1y, 3.9% of budgetTHE FIRST TEE OF GREATER PHILADELPHIA INC: $45,000 over 2y, 0.4% of budgetSQUASH AND EDUCATION ALLIANCE INC: $40,000 over 2y, 0.7% of budgetMV YOUTH INC: $36,900 over 2y, 1.2% of budgetMARTHA'S VINEYARD COMMUNITY SERVICES INC: $30,000 over 2y, 0.1% of budgetSQUASHBUSTERS INC: $27,000 over 1y, 0.4% of budgetCHILDREN'S CRISIS TREATMENT CENTER: $25,500 over 2y, 0.1% of budgetWEITZMAN NATIONAL MUSEUM OF AMERICAN JEWISH HISTORY: $25,000 over 1y, 0.3% of budgetAmerican Museum of Natural History: $25,000 over 1y, 0.0% of budgetCULTURETRUST GREATER PHILADELPHIA: $25,000 over 1y, 0.4% of budgetCity Squash Inc: $25,000 over 1y, 0.3% of budgetMALARIA NO MORE FUND: $25,000 over 1y, 0.2% of budgetPHILADELPHIA ORCHESTRA ASSOCIATION: $20,000 over 2y, 0.0% of budgetPacific Links Foundation: $20,000 over 1y, 0.7% of budgetMARTHA'S VINEYARD COMMUNITY FOUNDATION INC: $20,000 over 1y, 0.5% of budgetWORLD CENTRAL KITCHEN INC: $15,500 over 2y, 0.0% of budgetCHESTNUT HILL COMMUNITY ASSOCIATION (PA) INC: $11,000 over 2y, 1.4% of budgetDIRECT RELIEF: $10,235 over 1y, 0.0% of budgetSHARE FOOD PROGRAM: $10,000 over 1y, 0.1% of budgetMARTHA'S VINEYARD MUSEUM INC: $10,000 over 1y, 0.3% of budgetRYAN'S CASE FOR SMILES: $10,000 over 1y, 0.5% of budgetAmerican Heart Association Inc: $10,000 over 1y, 0.0% of budgetFRIENDS OF RITTENHOUSE SQUARE: $10,000 over 1y, 1.1% of budgetBYERSCHOOL FOUNDATION: $10,000 over 1y, 0.4% of budgetWOODMERE ART MUSEUM: $6,000 over 2y, 0.1% of budgetKips Bay Boys & Girls Club: $5,000 over 1y, 0.0% of budgetMOORE COLLEGE OF ART AND DESIGN: $5,000 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 THE CHILDREN'S HOSPITAL OF PHILADELPHIA ↗
  • Who funds TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA ↗
  • Who funds PHILADELPHIA MUSEUM OF ART ↗
  • Who funds THE BARNES FOUNDATION ↗
  • Who funds WEST PALM GOLF COMMUNITY TRUST INC ↗
  • Who funds FOUNDATION TO COMBAT ANTI-SEMITISM INC ↗
  • Who funds EVERYTOWN FOR GUN SAFETY SUPPORT FUND INC ↗
  • Who funds MACCABI USA INC ↗
  • Who funds THOMAS JEFFERSON UNIVERSITY ↗
  • Who funds PROJECT HOME ↗
  • Who funds MUSEUM OF THE AMERICAN REVOLUTION ↗
  • Who funds VILLANOVA UNIVERSITY ↗
  • Who funds THE BARACK OBAMA FOUNDATION ↗
  • Who funds SHERIFF'S MEADOW FOUNDATION ↗
  • Who funds OPEN SQUASH INC ↗
  • Who funds TUITION SUPPORT FUND INC ↗
  • Who funds The George Washington University ↗
  • Who funds FOR PETE'S SAKE CANCER RESPITE FOUNDATION ↗
  • Who funds The Society of the Four Arts Inc ↗
  • Who funds ISLAND GROWN INITIATIVE LTD ↗

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 Philadelphia FoundationPA24.1× affinity10 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: The Philadelphia Foundation · Henry Dolfinger 2 Trust Uw · United Way of Greater Philadelphia and Southern New Jersey · Chubb Charitable Foundation · Lindback Cr & Mf Foundation Tw Main · The Bessemer Giving Fund · The Goldman Sachs Charitable Gift Fund · Gs Donor Advised Philanthropy Fund for Wealth Management Inc · Robert H & Janet S Fleisher Foundation · The Honickman Foundation · The Saramar Charitable Fund · The Cigna Group 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 The Aileen K and Brian L Roberts Foundation funds: left to right is the share of its income from government, bottom to top the share from The Aileen K and Brian L Roberts Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 90%6%25%56%100%funder's share of their income ↑0%13%25%38%50%share of the org’s income from government →median 3%
  • Martha's Vineyard Community Foundation Inc: 34% of income from government
  • President and Fellows of Harvard College: 7% of income from government
  • Martha's Vineyard Community Services Inc: 3% of income from government
  • Sheriff's Meadow Foundation: 2% of income from government
  • Island Grown Initiative Ltd: 0% of income from government
no gov moneyreceives it· size = income
9get no government money at all
10report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–50%
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 The Aileen K and Brian L Roberts Foundation?

Find your warmest path to The Aileen K and Brian L Roberts 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 122 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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