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Aaron and Patricia Blumberg Foundation at a glance

· Private foundation

Aaron and Patricia Blumberg 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.

$432k
Granted FY2025still arriving
27
Grants FY2025still arriving
11
States reached
$50k
Largest
01What it fundsRead
02The needRead
03Its granteesRead
04Its fieldRead
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 2025.

Animals$828kEnvironment$583kInternational$100kPublic Safety & Disaster$50kCrime & Legal$31kHealth$23kScience & Tech$22kEducation$8k
02FY2025 · 27 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2025

  • Under $10k11 grants · $52k
  • $10k–50k13 grants · $230k
  • $50k–250k3 grants · $150k
$10,000
Median grant
11
States reached
$1.2M
Total assets
Largest grants
RecipientAmount
SEA SHEPHERD CONSERVATION SOCIETY$50,000
AFRICAN WILDLIFE FOUNDATION$50,000
GREENPEACE FUND INC$50,000
WORLD WILDLIFE FUND INC$30,000
AMNESTY INTERNATIONAL OF THE USA INC$25,000
THE DIAN FOSSEY GORILLA FUND INTERNATIONAL$25,000
THE DAVID SHELDRICK WILDLIFE TRUST USA$25,000
MEDECINS SANS FRONTIERES USA INC$25,000
WORLD CENTRAL KITCHEN INCORPORATED$25,000
BIG LIFE FOUNDATION USA$15,000
ENDANGERED SPECIES INTERNATIONAL$10,000
OCEAN CONSERVANCY INC$10,000
WILDLIFE CONSERVATION NETWORK INC$10,000
CENTER FOR BIOLOGICAL DIVERSITY INC$10,000
JANE GOODALL INSTITUTE FOR WILDLIFE RESEARCH EDUCA$10,000
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:

Dollar for dollar, its grants (FY17–25) land where the poverty rate runs at 12%, against an area that typically sits at 9%. 81% of its dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 9%RONALD MCDONALD HOUSE CHARITIES OF THE PHILADELPHI: $10k → 22%THE DAVID SHELDRICK WILDLIFE TRUST USA: $25k → 10%WILDLIFE CONSERVATION NETWORK INC: $10k → 10%MEDECINS SANS FRONTIERES USA INC: $25k → 17%WORLD WILDLIFE FUND INC: $30k → 14%THE DIAN FOSSEY GORILLA FUND INTERNATIONAL: $25k → 13%BIG LIFE FOUNDATION USA: $15k → 9%THE DAVID SHELDRICK WILDLIFE TRUST USA: $25k → 10%WILDLIFE CONSERVATION NETWORK INC: $10k → 10%AMNESTY INTERNATIONAL OF THE USA INC: $25k → 17%WORLD WILDLIFE FUND INC: $30k → 14%THE DIAN FOSSEY GORILLA FUND INTERNATIONAL: $25k → 13%BIG LIFE FOUNDATION USA: $15k → 9%THE DAVID SHELDRICK WILDLIFE TRUST USA: $20k → 10%AMNESTY INTERNATIONAL OF THE USA INC: $25k → 17%WORLD WILDLIFE FUND INC: $30k → 14%THE DIAN FOSSEY GORILLA FUND INTERNATIONAL: $20k → 13%BIG LIFE FOUNDATION USA: $10k → 9%THE DAVID SHELDRICK WILDLIFE TRUST USA: $10k → 10%WORLD WILDLIFE FUND INC: $15k → 14%THE DIAN FOSSEY GORILLA FUND INTERNATIONAL: $10k → 13%WORLD WILDLIFE FUND INC: $10k → 14%SEA SHEPHERD CONSERVATION SOCIETY: $50k → 6%WORLD WILDLIFE FUND INC: $10k → 14%SEA SHEPHERD CONSERVATION SOCIETY: $50k → 6%SEA SHEPHERD CONSERVATION SOCIETY: $40k → 6%SEA SHEPHERD CONSERVATION SOCIETY: $20k → 6%ENDANGERED SPECIES INTERNATIONAL: $10k → 10%SEA SHEPHERD CONSERVATION SOCIETY: $13k → 6%ENDANGERED SPECIES INTERNATIONAL: $10k → 10%AFRICAN WILDLIFE FOUNDATION: $50k → 14%SEA SHEPHERD CONSERVATION SOCIETY: $10k → 6%AFRICAN WILDLIFE FOUNDATION: $50k → 14%SEA SHEPHERD CONSERVATION SOCIETY: $10k → 6%AFRICAN WILDLIFE FOUNDATION: $40k → 14%SEA SHEPHERD CONSERVATION SOCIETY: $10k → 6%AFRICAN WILDLIFE FOUNDATION: $20k → 14%SEA SHEPHERD CONSERVATION SOCIETY: $10k → 6%AFRICAN WILDLIFE FOUNDATION: $13k → 14%AFRICAN WILDLIFE FOUNDATION: $10k → 14%AFRICAN WILDLIFE FOUNDATION: $10k → 14%AFRICAN WILDLIFE FOUNDATION: $10k → 14%AFRICAN WILDLIFE FOUNDATION: $10k → 14%GREENPEACE FUND INC: $50k → 14%GREENPEACE FUND INC: $50k → 14%GREENPEACE FUND INC: $40k → 14%GREENPEACE FUND INC: $20k → 14%GREENPEACE FUND INC: $13k → 14%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
NY
MA
PA
NJ
CA
VA
MD
AZ
DC
GA
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.
$1.6M · 27 repeat orgs$0 to everyone else

27 repeat relationships: 27 still active in FY2025, 0 since wound down.

How the two cohorts compare

Re-uppedFunded once

Organizations

27
0

Total granted

$1.6M
$0

Still filing today

96%
0%

New vs renewed · share of each year

In FY2025, 100% of grant dollars renewed an existing relationship; $0 went to new ones.

50%100%’17’18’19’20’21’22’23’24’25
RenewedFirst-time

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

’17’18’19’20’21’22’23’24’25
AnimalsEnvironmentInternationalCrime & LegalEducationOther
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

  • AW
    AFRICAN WILDLIFE FOUNDATION INC
    9× · 2017–2025 · $213k · revenue +54%
  • GREENPEACE FUND INC
    9× · 2017–2025 · $213k · revenue +31%
  • SS
    SEA SHEPHERD CONSERVATION SOCIETY
    9× · 2017–2025 · $213k · revenue +128%

Funded once

    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
    Rainforest Trust

    Rainforest trust saves endangered wildlife and protects our planet by creating rainforest reserves through partnerships, community engagement, and donor support.

    International
    2
    Conservation International Foundation

    Ci works to spotlight and secure the critical benefits that nature provides to humanity.

    Environment
    3
    Wildaid Inc

    Wildaid's mission is to inspire change and empower the world to protect wildlife and vital habitats from critical threats.

    Animals
    4
    Wildlife Conservation Society

    The wildlife conservation society (wcs) saves wildlife and wild places worldwide through science, conservation action, education, and inspiring people to value nature.

    Animals
    5
    Friends of the Earth

    Friends of the earth strives for a more healthy and just world by defendng the environment and human health while advancing social and economic justice by conducting research and education, transforming the economy so it protects the…

    Environment
    6
    The Nature Conservancy

    The mission of the nature conservancy is to conserve the lands and waters on which all life depends.

    —
    7
    Wildlife Sos

    Protecting india's precious wildlife from poaching, habitat loss, and human exploitation since 1995.

    Animals
    8
    Oceana Inc

    To advocate for policy changes by governments and corporations in order to preserve ocean life and return the oceans to their former abundance.

    Environment
    9
    American Humane Association

    Founded in 1877, american humane association, dba american humane society (american humane) is committed to ensuring the safety, welfare and well-being of animals. our leadership programs are first to serve in promoting and nurturing the…

    Animals
    10
    National Fish and Wildlife Foundation

    To sustain, restore, and enhance the nation's fish, wildlife, plants, and habitats.

    Animals
    11
    Rainforest Foundation Inc

    The purpose of rainforest foundation us is to support indigenous peoples and forest communities in their efforts to secure their lands, protect their environment, and uphold their rights.

    Environment
    12
    Environmental Investigation Agency

    To establish and promote programs to protect the global climate, forests, wildlife and the natural environment, through research, advocacy, and investigation.

    International
    How this is measured
    The grantee most central to the portfolio’s shape is Wildlife Conservation Network Inc; the most unlike its peers is Earthjustice. 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

    26 grantees tracked through their own filings, 2017–2026.

    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 2026, not grant rows in a single year, so this will not match the grant count on the cover. 26 of the 27 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)
    3
    Early backer (in before they grew)
    26/26
    Grantees still filing
    19/26
    Grew since first funded

    Where the money sits, by cause and then by grantee

    AFRICAN WILDLIFE FOUNDATION INC: $212,500 · AnimalsAFRICAN WILDLIFE FOUNDATION INCSEA SHEPHERD CONSERVATION SOCIETY: $212,500 · AnimalsSEA SHEPHERD CONSERVATION SOCIETYTHE DAVID SHELDRICK WILDLIFE TRUST USA INC: $107,500 · AnimalsTHE DAVID SHELDRICK WILDLIFE TRUST USA INCCENTER FOR BIOLOGICAL DIVERSITY INC: $66,000 · AnimalsCENTER FOR BIOLOGICAL DIVERSITY INCBIG LIFE FOUNDATION USA: $51,000 · AnimalsBIG LIFE FOUNDATION USAJANE GOODALL INSTITUTE FOR WILDLIFE RESEARCH EDUCATION AND CONSERVATION: $33,500 · AnimalsFRIENDS OF SOUTHERN OCEAN COUNTY ANIMAL SHELTER: $28,000 · Animals+6 more: $119,000 · Animals+6 moreGREENPEACE FUND INC: $212,500 · EnvironmentGREENPEACE FUND INCWORLD WILDLIFE FUND INC: $142,500 · EnvironmentWORLD WILDLIFE FUND INCOCEAN CONSERVANCY: $60,000 · EnvironmentOCEAN CONSERVANCYEARTHJUSTICE: $17,500 · EnvironmentMEDECINS SANS FRONTIERES USA INC: $50,000 · InternationalMEDECINS SA…WORLD CENTRAL KITCHEN INC: $50,000 · InternationalWORLD CENTR…AMNESTY INTERNATIONAL OF THE USA INC: $50,000 · InternationalAMNESTY INT…THE UNION OF CONCERNED SCIENTISTS INC: $22,000 · InternationalTHE UNION O…Dian Fossey Gorilla Fund International Inc: $105,000 · OtherDian Fossey…DELAWARE RIVERKEEPER NETWORK: $33,000 · OtherDELAWARE RI…RONALD MCDONALD HOUSE CHARITIES OF THE PHILADELPHIA REGION: $22,500 · OtherRONALD MCDO…PA ANIMAL PROTECTIVE SOCIETY & SPCA INC: $10,000 · OtherPA ANIMAL P…PHILADELPHIA BAR FOUNDATION: $31,000 · Crime & LegalOVERBROOK SCHOOL FOR THE BLIND: $8,000 · Education
    Animals$830,000Environment$432,500International$172,000Other$170,500Crime & Legal$31,000Education$8,000

    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 budgetAFRICAN WILDLIFE FOUNDATION INC: $212,500 over 9y, 0.1% of budgetGREENPEACE FUND INC: $212,500 over 9y, 0.2% of budgetSEA SHEPHERD CONSERVATION SOCIETY: $212,500 over 9y, 0.4% of budgetWORLD WILDLIFE FUND INC: $142,500 over 9y, 0.0% of budgetTHE DAVID SHELDRICK WILDLIFE TRUST USA INC: $107,500 over 9y, 0.1% of budgetDian Fossey Gorilla Fund International Inc: $105,000 over 9y, 0.2% of budgetCENTER FOR BIOLOGICAL DIVERSITY INC: $66,000 over 9y, 0.0% of budgetOCEAN CONSERVANCY: $60,000 over 9y, 0.0% of budgetBIG LIFE FOUNDATION USA: $51,000 over 9y, 0.2% of budgetMEDECINS SANS FRONTIERES USA INC: $50,000 over 2y, 0.0% of budgetWORLD CENTRAL KITCHEN INC: $50,000 over 2y, 0.0% of budgetAMNESTY INTERNATIONAL OF THE USA INC: $50,000 over 2y, 0.0% of budgetJANE GOODALL INSTITUTE FOR WILDLIFE RESEARCH EDUCATION AND CONSERVATION: $33,500 over 9y, 0.0% of budgetDELAWARE RIVERKEEPER NETWORK: $33,000 over 9y, 0.3% of budgetPHILADELPHIA BAR FOUNDATION: $31,000 over 9y, 0.6% of budgetFRIENDS OF SOUTHERN OCEAN COUNTY ANIMAL SHELTER: $28,000 over 6y, 2.8% of budgetZOOLOGICAL SOCIETY OF PHILADELPHIA: $27,500 over 5y, 0.0% of budgetRONALD MCDONALD HOUSE CHARITIES OF THE PHILADELPHIA REGION: $22,500 over 3y, 0.1% of budgetTHE UNION OF CONCERNED SCIENTISTS INC: $22,000 over 9y, 0.0% of budgetINTERNATIONAL FUND FOR ANIMAL WELFARE INC: $21,500 over 9y, 0.0% of budgetENDANGERED SPECIES INTERNATIONAL: $20,000 over 2y, 5.7% of budgetWILDLIFE CONSERVATION NETWORK INC: $20,000 over 2y, 0.0% of budgetASSOCIATED HUMANE SOCIETIES INC: $19,500 over 9y, 0.1% of budgetEARTHJUSTICE: $17,500 over 7y, 0.0% of budgetMarine Mammal Stranding Center: $10,500 over 9y, 0.4% of budgetOVERBROOK SCHOOL FOR THE BLIND: $8,000 over 3y, 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 AFRICAN WILDLIFE FOUNDATION INC ↗
    • Who funds GREENPEACE FUND INC ↗
    • Who funds SEA SHEPHERD CONSERVATION SOCIETY ↗
    • Who funds WORLD WILDLIFE FUND INC ↗
    • Who funds THE DAVID SHELDRICK WILDLIFE TRUST USA INC ↗
    • Who funds Dian Fossey Gorilla Fund International Inc ↗
    • Who funds CENTER FOR BIOLOGICAL DIVERSITY INC ↗
    • Who funds OCEAN CONSERVANCY ↗
    • Who funds BIG LIFE FOUNDATION USA ↗
    • Who funds MEDECINS SANS FRONTIERES USA INC ↗
    • Who funds WORLD CENTRAL KITCHEN INC ↗
    • Who funds AMNESTY INTERNATIONAL OF THE USA INC ↗
    • Who funds JANE GOODALL INSTITUTE FOR WILDLIFE RESEARCH EDUCATION AND CONSERVATION ↗
    • Who funds DELAWARE RIVERKEEPER NETWORK ↗
    • Who funds PHILADELPHIA BAR FOUNDATION ↗
    • Who funds FRIENDS OF SOUTHERN OCEAN COUNTY ANIMAL SHELTER ↗
    • Who funds ZOOLOGICAL SOCIETY OF PHILADELPHIA ↗
    • Who funds RONALD MCDONALD HOUSE CHARITIES OF THE PHILADELPHIA REGION ↗
    • Who funds THE UNION OF CONCERNED SCIENTISTS INC ↗
    • Who funds INTERNATIONAL FUND FOR ANIMAL WELFARE INC ↗
    • Who funds ENDANGERED SPECIES INTERNATIONAL ↗
    • Who funds WILDLIFE CONSERVATION NETWORK INC ↗
    • Who funds ASSOCIATED HUMANE SOCIETIES INC ↗
    • Who funds EARTHJUSTICE ↗
    • Who funds Marine Mammal Stranding Center ↗
    • Who funds OVERBROOK SCHOOL FOR THE BLIND ↗

    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.

    Chubb Charitable Foun…The Pfizer Foundation…American Endowment Fo…Network for GoodThe Bank of America C…Donor Advised Charita…Fidelity Investments …Amazonsmile Foundation
    Chubb Charitable FoundationPA12.8× affinity4 shared granteesties to 7 of 7Hover any node to trace its alignments.Compare side by side →

    Open a dossier: Chubb Charitable Foundation · The Pfizer Foundation Inc · American Endowment Foundation · Network for Good · The Bank of America Charitable Foundation Inc · Donor Advised Charitable Giving Inc · Fidelity Investments Charitable Gift Fund · 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 Aaron and Patricia Blumberg Foundation funds: left to right is the share of its income from government, bottom to top the share from Aaron and Patricia Blumberg Foundation. Bigger dots raise more.

    2024
    ’20’21’22’23’24’25
    no gov · 30%1%3%6%10%funder's share of their income ↑0%8%15%22%30%share of the org’s income from government →median 10%
    • Marine Mammal Stranding Center: 10% of income from government
    no gov moneyreceives it· size = income
    3get 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 · 0–30%
    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.

    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 27 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 2025, released 2025. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

    Source object · view filing

    Play a game based on Aaron and Patricia Blumberg’s filings →

    More from the funding graph

    The unnamed billions
    grants reported with no recipient in the public record
    The regranting layer
    51% of grant dollars land in the regranting layer
    The DAF merry-go-round
    $9.7B circulates between donor-advised funds
    The endowment market
    who holds foundation money, and what just moved
    The camps
    funders cluster by geography, not ideology
    By state
    where grant money is based, and what stays home