The Winterburn Foundation | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like The Winterburn Foundation. Data shown is extracted from Form 990-PF filings.

EIN: 13-6943521

Foundation Overview

Based in New York, NY, The Winterburn Foundation has awarded 54 grants totaling $2,185,000 to organizations in New York, Minnesota and 1 other state across the US. Individual grants range from $5,000 to $200,000, with a median award of $25,000.

Latest Tax Year
2023
Total Giving (all years)
$2,185,000
Total Assets
$3,050,303
Median Grant (all grants)
$25,000

Latest Form 990-PF Snapshot

Total Grants
0 (No grants in 2023)
Median Grant
$0
% Median Grant Decline
-100% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: February 2026

Foundation Intelligence

Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies

New Applicant Friendliness
Closed Network: N/A

0 of 16 recipients (0%) were new grantees. Foundation maintains tight relationships with established partners. New applicants rarely succeed without insider connections.

Geographic Focus
New York

93% of all grants are concentrated in New York, demonstrating highly focused geographic giving. This foundation prioritizes deep community impact in its primary service area. Within New York, funding concentrates in New York (72%), Sleepy Hollow (12%), Cornwall (8%).

Funding Trajectory
+350%

Strong 350% growth in annual giving over 6 years indicates expanding philanthropic capacity and increasing opportunities for grant seekers. This upward trajectory suggests growing foundation resources and commitment.

Program Areas
Healthcare + 4 others

Diversified giving across multiple program areas with primary emphasis on healthcare (29%). This broad approach suggests openness to various causes and innovative cross-sector solutions.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into The Winterburn Foundation's funding preferences, organizational priorities, and grant making patterns. This historical data helps potential applicants understand the foundation's strategic focus and identify successful funding approaches.

Name Amount Location Purpose Year
Animal Medical Center $100,000 New York, NY, US Animal Rights, Welfare, And Services 2022
Black Rock Forest $5,000 Cornwall, NY, US Advancing Scientific Understanding Of The Natural World By Expanding Education Programs And Building New Facilities For Students 2022
International Rescue Committee $200,000 New York, NY, US Providing Healthcare And Clean Water, Protective Services For Women And Children, Education, And Economic Support 2022
Open Space Institute Inc $25,000 New York, NY, US Conservation 2022
Phelps Memorial Hospital Center $10,000 Sleepy Hollow, NY, US Hospital Services 2022
Visiting Nurse Service Of New York $25,000 New York, NY, US Provide Critically Needed Home Healthcare And Community Health Programs To New Yorkers 2022
Young Concert Artists $10,000 New York, NY, US Performing Arts 2022
Institute Of International Education $75,000 New York, NY, US Education Programs 2022
Animal Medical Center $100,000 New York, NY, US Animal Rights, Welfare, And Services 2022
Black Rock Forest $5,000 Cornwall, NY, US Advancing Scientific Understanding Of The Natural World By Expanding Education Programs And Building New Facilities For Students 2022
International Rescue Committee $200,000 New York, NY, US Providing Healthcare And Clean Water, Protective Services For Women And Children, Education, And Economic Support 2022
Open Space Institute Inc $25,000 New York, NY, US Conservation 2022
Phelps Memorial Hospital Center $10,000 Sleepy Hollow, NY, US Hospital Services 2022
Visiting Nurse Service Of New York $25,000 New York, NY, US Provide Critically Needed Home Healthcare And Community Health Programs To New Yorkers 2022
Young Concert Artists $10,000 New York, NY, US Performing Arts 2022
Institute Of International Education $75,000 New York, NY, US Education Programs 2022
Animal Medical Center $25,000 New York, NY, US Animal Rights, Welfare, And Services 2021
Black Rock Forest $5,000 Cornwall, NY, US Advancing Scientific Understanding Of The Natural World By Expanding Education Programs And Building New Facilities For Students 2021
Cornell University - College Of Veterinary Medicine $75,000 Ithaca, NY, US Veterinary Medicine And Education 2021
Institute Of International Education $100,000 New York, NY, US International Peace, Security, And Affairs 2021
International Rescue Committee $65,000 New York, NY, US Providing Healthcare And Clean Water, Protective Services For Women And Children, Education, And Economic Support 2021
Phelps Memorial Hospital Center $10,000 Sleepy Hollow, NY, US Hospital Services 2021
Visiting Nurse Service Of New York $25,000 New York, NY, US Provide Critically Needed Home Healthcare And Community Health Programs To New Yorkers 2021
Young Concert Artists $10,000 New York, NY, US Performing Arts 2021
Open Space Institute Inc $25,000 New York, NY, US Conservation 2021
Animal Medical Center $25,000 New York, NY, US Animal Rights, Welfare, And Services 2020
Black Rock Forest $5,000 Cornwall, NY, US Advancing Scientific Understanding Of The Natural World By Expanding Education Programs And Building New Facilities For Students 2020
Cornell University - College Of Veterinary Medicine $50,000 Ithaca, NY, US Veterinary Medicine And Education 2020
International Rescue Committee $65,000 New York, NY, US Providing Healthcare And Clean Water, Protective Services For Women And Children, Education, And Economic Support 2020
Metropolitan Museum Of Art $150,000 New York, NY, US To Sustain Its Position In The World. 2020
Phelps Memorial Hospital Center $10,000 Sleepy Hollow, NY, US Hospital Services 2020
Visiting Nurse Service Of New York $10,000 New York, NY, US Provide Critically Needed Home Healthcare And Community Health Programs To New Yorkers 2020
Young Concert Artists $10,000 New York, NY, US Performing Arts 2020
Animal Medical Center $50,000 New York, NY, US Animal Rights, Welfare, And Services 2018
Cornell University - College Of Veterinary Medicine $10,000 Ithaca, NY, US Veterinary Medicine And Education 2018
International Rescue Committee $65,000 New York, NY, US Development And Relief Services 2018
Metropolitan Museum Of Art $25,000 New York, NY, US Museums 2018
Young Concert Artists $10,000 New York, NY, US Performing Arts 2018
Community Service Society Of Ny $10,000 New York, NY, US Social Services 2018
Open Space Institute $25,000 New York, NY, US Environmental Quality, Protection, And Beautification 2018
Institute Of International Education - Scholar Rescue Fund $50,000 New York, NY, US International Peace, Security, And Affairs 2018
Phelps Memorial Hospital Center $25,000 Sleepy Hollow, NY, US General Fund 2017
Mayo Clinic $25,000 Rochester, MN, US General Fund 2017
Animal Medical Center $50,000 New York, NY, US General Fund 2017
Cornell University-college Of Veterinary Medicine $25,000 Pittsburgh, PA, US General Fund 2017
Young Concert Artists Inc $10,000 New York, NY, US General Fund 2017
Open Space Institute $25,000 New York, NY, US General Fund 2017
International Rescue Committee $65,000 New York, NY, US General Fund 2017
Institute Of International Education $25,000 New York, NY, US General Fund 2017
Wildlife Conservation Society $25,000 Bronx, NY, US General Fund 2017
Phelps Memorial Hospital Center $25,000 Sleepy Hollow, NY, US General Fund 2016
Mayo Clinic $25,000 Rochester, MN, US General Fund 2016
Animal Medical Center $25,000 New York, NY, US General Fund 2016
Cornell University-college Of Veterinary Medicine $25,000 Pittsburgh, PA, US General Fund 2016

Foundations Similar to The Winterburn Foundation

Discover 5 foundations with comparable assets ($3,039,252-$3,069,363), similar grant patterns, and geographic focus in NY that may also align with your organization's funding needs and grant seeking strategy.

Foundation Name Total Assets Typical Grant Size Service Area Similarity Match

EIN: 46-7005370 | 65 grants awarded
$3,051,310
(≈ Similar)
$15,000
median grant
New York, NY
Same state
100%
Excellent match

EIN: 13-7257019 | 40 grants awarded
$3,048,914
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$28,000
median grant
New York, NY
Same state
100%
Excellent match

EIN: 13-1624136 | 71 grants awarded
$3,039,252
(≈ Similar)
$25,000
median grant
New York, NY
Same state
100%
Excellent match

EIN: 81-4431359 | 53 grants awarded
$3,064,467
(≈ Similar)
$20,000
median grant
New York, NY
Same state
100%
Excellent match

EIN: 31-6651912 | 32 grants awarded
$3,069,363
(≈ Similar)
$25,000
median grant
New York, NY
Same state
100%
Excellent match

Contact Information

Official contact details for The Winterburn Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 13-6943521
Website N/A
Address 435 EAST 52ND STREET 15G New York, NY 10022-6445

Key People (1)

Board members, trustees, and key staff who oversee The Winterburn Foundation's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.

President Alexandra M Rockefeller

Forms 990-PF

IRS Form 990-PF filings provide comprehensive financial information, grant details, and operational data. These documents are essential resources for understanding foundation capacity, giving patterns, and strategic priorities.

Form 990-PF Research Tips
  • Review Part XV for detailed grant recipient information and funding purposes
  • Check Part I for total assets, annual giving amounts, and payout requirements
  • Examine Part VIII for key personnel compensation and board structure
  • Look for trends across multiple years to understand giving patterns

About This Foundation Profile

This comprehensive foundation profile for The Winterburn Foundation is powered by Grant Bay's advanced foundation research platform. Our system analyzes IRS Form 990-PF filings, grant histories, and philanthropic patterns to provide nonprofit organizations with actionable intelligence for grant seeking success.

Data Sources & Accuracy

All information is derived from official IRS filings and public records. Grant Bay processes thousands of Form 990-PF documents to extract grant details, financial data, and organizational information. Data accuracy depends on foundation reporting quality and IRS filing completeness.

Research Applications

Use this profile for prospect research, grant strategy development, application preparation, and relationship building. Combine this data with additional research on foundation priorities, application processes, and board member backgrounds for comprehensive grant seeking strategies.

Data Currency: Last updated February 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.