Funding search · EIN 261865519 · Wilmington, DE

Aaron and Patricia Blumberg Foundation

A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.

92
grants reported
$1.3M
total given
2022–2025
filing years
$8,750
median grant

Based on grants this organization reported to the IRS for tax years 20222025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

What they fund

parkpopcorn

Full IRS filings ↗How this is builtReport an error

Funding pattern

What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.

Sign in to analyze this funder’s giving pattern. Free in early access.

Top recipients

Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.

  • African Wildlife Foundation4 grants · $160,000
  • Greenpeace Fund4 grants · $160,000
  • Sea Shepherd Conservation Society4 grants · $160,000
  • World Wildlife Fund4 grants · $105,000
  • The Dian Fossey Gorilla Fund International4 grants · $80,000
  • The David Sheldrick Wildlife Trust USA4 grants · $80,000
  • Medecins Sans Frontieres USA2 grants · $50,000
  • Amnesty International of the USA2 grants · $50,000
  • World Central Kitchen Incorporated2 grants · $50,000
  • Big Life Foundation USA4 grants · $45,000

Giving over time

$132,500
2022
$266,000
2023
$429,000
2024
$431,500
2025

Grant history

All 92 reported grants, largest first.

  • $50,000

    African Wildlife Foundation · Washington, DC · 2025

    General & Unrestricted

  • $50,000

    Greenpeace Fund · Washington, DC · 2025

    General & Unrestricted

  • $50,000

    Sea Shepherd Conservation Society · Alexandria, VA · 2025

    General & Unrestricted

  • $50,000

    African Wildlife Foundation · Washington, DC · 2024

    General & Unrestricted

  • $50,000

    Greenpeace Fund · Washington, DC · 2024

    General & Unrestricted

  • $50,000

    Sea Shepherd Conservation Society · Alexandria, VA · 2024

    General & Unrestricted

  • $40,000

    African Wildlife Foundation · Washington, DC · 2023

    General & Unrestricted

  • $40,000

    Greenpeace Fund · Washington, DC · 2023

    General & Unrestricted

  • $40,000

    Sea Shepherd Conservation Society · Alexandria, VA · 2023

    General & Unrestricted

  • $30,000

    World Wildlife Fund · Washington, DC · 2025

    General & Unrestricted

  • $30,000

    World Wildlife Fund · Washington, DC · 2024

    General & Unrestricted

  • $30,000

    World Wildlife Fund · Washington, DC · 2023

    General & Unrestricted

  • $25,000

    Amnesty International of the USA · New York, NY · 2025

    General & Unrestricted

  • $25,000

    Medecins Sans Frontieres USA · Hagerstown, MD · 2025

    General & Unrestricted

  • $25,000

    The David Sheldrick Wildlife Trust USA · Laguna Hills, CA · 2025

    General & Unrestricted

  • $25,000

    The Dian Fossey Gorilla Fund International · Atlanta, GA · 2025

    General & Unrestricted

  • $25,000

    World Central Kitchen Incorporated · Washington, DC · 2025

    General & Unrestricted

  • $25,000

    Amnesty International of the USA · New York, NY · 2024

    General & Unrestricted

  • $25,000

    Medecins Sans Frontieres USA · New York, NY · 2024

    General & Unrestricted

  • $25,000

    The David Sheldrick Wildlife Trust USA · Laguna Hills, CA · 2024

    General & Unrestricted

  • $25,000

    The Dian Fossey Gorilla Fund International · Atlanta, GA · 2024

    General & Unrestricted

  • $25,000

    World Central Kitchen Incorporated · Washington, DC · 2024

    General & Unrestricted

  • $20,000

    The David Sheldrick Wildlife Trust USA · Laguna Hills, CA · 2023

    General & Unrestricted

  • $20,000

    The Dian Fossey Gorilla Fund International · Atlanta, GA · 2023

    General & Unrestricted

  • $20,000

    African Wildlife Foundation · Washington, DC · 2022

    General & Unrestricted

  • $20,000

    Greenpeace Fund · Washington, DC · 2022

    General & Unrestricted

  • $20,000

    Sea Shepherd Conservation Society · Alexandria, VA · 2022

    General & Unrestricted

  • $15,000

    Big Life Foundation USA · Ridgefield, WA · 2025

    General & Unrestricted

  • $15,000

    Big Life Foundation USA · Ridgefield, WA · 2024

    General & Unrestricted

  • $15,000

    World Wildlife Fund · Washington, DC · 2022

    General & Unrestricted

  • $10,000

    Center for Biological Diversity · Tucson, AZ · 2025

    General & Unrestricted

  • $10,000

    Endangered Species International · San Francisco, CA · 2025

    General & Unrestricted

  • $10,000

    Jane Goodall Institute for Wildlife Research Educa · Washington, DC · 2025

    General & Unrestricted

  • $10,000

    Ocean Conservancy · Washington, DC · 2025

    General & Unrestricted

  • $10,000

    Ronald McDonald House Charities of the Philadelphi · Philadelphia, PA · 2025

    General & Unrestricted

  • $10,000

    Wildlife Conservation Network · San Francisco, CA · 2025

    General & Unrestricted

  • $10,000

    Center for Biological Diversity · Tucson, AZ · 2024

    General & Unrestricted

  • $10,000

    Endangered Species International · San Francisco, CA · 2024

    General & Unrestricted

  • $10,000

    Jane Goodall Institute for Wildlife Research Educa · Washington, DC · 2024

    General & Unrestricted

  • $10,000

    Ocean Conservancy · Washington, DC · 2024

    General & Unrestricted

  • $10,000

    Wildlife Conservation Network · San Francisco, CA · 2024

    General & Unrestricted

  • $10,000

    Big Life Foundation USA · Ridgefield, WA · 2023

    General & Unrestricted

  • $10,000

    Center for Biological Diversity · Tucson, AZ · 2023

    General & Unrestricted

  • $10,000

    Ocean Conservancy · Washington, DC · 2023

    General & Unrestricted

  • $10,000

    The David Sheldrick Wildlife Trust USA · Laguna Hills, CA · 2022

    General & Unrestricted

  • $10,000

    The Dian Fossey Gorilla Fund International · Atlanta, GA · 2022

    General & Unrestricted

  • $7,500

    Friends of Southern Ocean County Animal Shelter · Manahawkin, NJ · 2025

    General & Unrestricted

  • $7,500

    Friends of Southern Ocean County Animal Shelter in · Manahawkin, NJ · 2024

    General & Unrestricted

  • $7,500

    Ronald McDonald House Charities of the Philadelphi · Philadelphia, PA · 2024

    General & Unrestricted

  • $5,000

    Delaware Riverkeeper Network · Bristol, PA · 2025

    General & Unrestricted

  • $5,000

    Earthjustice · San Francisco, CA · 2025

    General & Unrestricted

  • $5,000

    International Fund for Animal Welfare · Yarmouth Port, MA · 2025

    General & Unrestricted

  • $5,000

    Pa Animal Protective Society & Spca · Johnstown, PA · 2025

    General & Unrestricted

  • $5,000

    Philadelphia Bar Foundation · Philadelphia, PA · 2025

    General & Unrestricted

  • $5,000

    Union of Concerned Scientists · Cambridge, MA · 2025

    General & Unrestricted

  • $5,000

    Zoological Society of Philadelphia · Philadelphia, PA · 2025

    General & Unrestricted

  • $5,000

    Delaware Riverkeeper Network · Bristol, PA · 2024

    General & Unrestricted

  • $5,000

    Earthjustice · San Francisco, CA · 2024

    General & Unrestricted

  • $5,000

    International Fund for Animal Welfare · Yarmouth Port, MA · 2024

    General & Unrestricted

  • $5,000

    Pa Animal Protective Society & Spca · Johnstown, PA · 2024

    General & Unrestricted

  • $5,000

    Philadelphia Bar Foundation · Philadelphia, PA · 2024

    General & Unrestricted

  • $5,000

    Union of Concerned Scientists · Cambridge, MA · 2024

    General & Unrestricted

  • $5,000

    Zoological Society of Philadelphia · Philadelphia, PA · 2024

    General & Unrestricted

  • $5,000

    Delaware Riverkeeper Network · Bristol, PA · 2023

    General & Unrestricted

  • $5,000

    Earthjustice · San Francisco, CA · 2023

    General & Unrestricted

  • $5,000

    Friends of Southern Ocean County Animal Shelter in · Manahawkin, NJ · 2023

    General & Unrestricted

  • $5,000

    International Fund for Animal Welfare · Yarmouth Port, MA · 2023

    General & Unrestricted

  • $5,000

    Jane Goodall Institute for Wildlife Research Educa · Washington, DC · 2023

    General & Unrestricted

  • $5,000

    Philadelphia Bar Foundation · Philadelphia, PA · 2023

    General & Unrestricted

  • $5,000

    Ronald McDonald House Charities of the Philadelphi · Philadelphia, PA · 2023

    General & Unrestricted

  • $5,000

    Union of Concerned Scientists · Cambridge, MA · 2023

    General & Unrestricted

  • $5,000

    Big Life Foundation USA · Ridgefield, WA · 2022

    General & Unrestricted

  • $5,000

    Center for Biological Diversity · Tucson, AZ · 2022

    General & Unrestricted

  • $5,000

    Delaware Riverkeeper Network · Bristol, PA · 2022

    General & Unrestricted

  • $5,000

    Ocean Conservancy · Washington, DC · 2022

    General & Unrestricted

  • $5,000

    Philadelphia Bar Foundation · Philadelphia, PA · 2022

    General & Unrestricted

  • $3,000

    Associated Humane Societies · Newark, NJ · 2025

    General & Unrestricted

  • $3,000

    Marine Mammal Stranding Center · Brigantine, NJ · 2025

    General & Unrestricted

  • $3,000

    Overbrook School for the Blind · Philadelphia, PA · 2025

    General & Unrestricted

  • $3,000

    Associated Humane Societies · Newark, NJ · 2024

    General & Unrestricted

  • $3,000

    Marine Mammal Stranding Center · Brigantine, NJ · 2024

    General & Unrestricted

  • $3,000

    Overbrook School for the Blind · Philadelphia, PA · 2024

    General & Unrestricted

  • $3,000

    Friends of Southern Ocean County Animal Shelter in · Manahawkin, NJ · 2022

    General & Unrestricted

  • $3,000

    Jane Goodall Institute for Wildlife Research Educa · Washington, DC · 2022

    General & Unrestricted

  • $2,500

    Associated Humane Societies · Newark, NJ · 2023

    Popcorn Park Fund

  • $2,000

    Overbrook School for the Blind · Philadelphia, PA · 2023

    General & Unrestricted

  • $2,000

    International Fund for Animal Welfare · Yarmouth Port, MA · 2022

    General & Unrestricted

  • $2,000

    Union of Concerned Scientists · Cambridge, MA · 2022

    General & Unrestricted

  • $1,500

    Marine Mammal Stranding Center · Brigantine, NJ · 2023

    General & Unrestricted

  • $1,000

    Associated Humane Societies · Newark, NJ · 2022

    Popcorn Park

  • $1,000

    Earthjustice · San Francisco, CA · 2022

    General & Unrestricted

  • $500

    Marine Mammal Stranding Center · Brigantine, NJ · 2022

    General & Unrestricted

Who else funds this kind of work

Same state

Similar purposes

Similar grant size

Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.

Search funders like this one

Source: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.