The William S Perper Foundation | Foundation Profile

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

EIN: 45-6337299

Foundation Overview

Based in New York, NY, The William S Perper Foundation has awarded 81 grants totaling $2,821,000 to organizations in New York, Maryland and 6 other states across the US. Individual grants range from $5,000 to $100,000, with a median award of $25,000.

Latest Tax Year
2025
Total Giving (all years)
$2,821,000
Total Assets
$841,152
Median Grant (all grants)
$25,000

Latest Form 990-PF Snapshot

Total Grants
5
Median Grant
$30,000
% Median Grant Growth
+20% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: May 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 5 recipients (0%) were new grantees. Foundation maintains tight relationships with established partners. New applicants rarely succeed without insider connections.

Geographic Focus
New York

46% of grants are awarded in New York, with additional funding distributed across 7 other locations. The foundation balances regional focus with broader geographic diversity. Within New York, funding concentrates in New York (59%), Yorktown Heights (22%), Mahopac (11%).

Funding Trajectory
-48%

Declining funding trend with 48% decrease over 9 years may indicate reduced grant opportunities or shifting foundation priorities. This trajectory suggests more competitive application environment.

Program Areas
General Purposes + 2 others

Diversified giving across multiple program areas with primary emphasis on general purposes (67%). 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 William S Perper 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
Fifth Avenue Presybterian Church $60,000 New York, NY, US Steinway Concert Piano - 2nd Half 2025
Fifth Avenue Presybterian Church $50,000 New York, NY, US Acoustic Undercoating For Chapel 2025
International Tennis Hall Of Fame $30,000 Newport, RI, US General Support 2025
Jack Devito Foundation $30,000 Yorktown Heights, NY, US General Operating 2025
Muskingum University $30,000 New Concord, OH, US General Operating 2025
Fifth Avenue Presybterian Church $60,000 New York, NY, US Steinway Concert Piano - 1st Half 2024
International Tennis Hall Of Fame $25,000 Newport, RI, US General Support 2024
Jack Devito Foundation $25,000 Yorktown Heights, NY, US General Operating 2024
Muskingum University $25,000 New Concord, OH, US General Operating 2024
Fifth Avenue Presybterian Church $60,000 New York, NY, US Steinway Concert Piano - 1st Half 2024
International Tennis Hall Of Fame $25,000 Newport, RI, US General Support 2024
Jack Devito Foundation $25,000 Yorktown Heights, NY, US General Operating 2024
Muskingum University $25,000 New Concord, OH, US General Operating 2024
Fifth Avenue Presybterian Church $75,000 New York, NY, US Music Ministry Grant 2023
International Tennis Hall Of Fame $25,000 Newport, RI, US General Support 2023
Jack Devito Foundation $25,000 Yorktown Heights, NY, US General Operating 2023
Johns Hopkins Bayview Medical Center $50,000 Baltimore, MD, US Health Community Partnership National Symposium 2023
Muskingum University $25,000 New Concord, OH, US General Operating 2023
Fifth Avenue Presybterian Church $75,000 New York, NY, US Music Ministry Grant 2023
International Tennis Hall Of Fame $25,000 Newport, RI, US General Support 2023
Jack Devito Foundation $25,000 Yorktown Heights, NY, US General Operating 2023
Johns Hopkins Bayview Medical Center $50,000 Baltimore, MD, US Health Community Partnership National Symposium 2023
Muskingum University $25,000 New Concord, OH, US General Operating 2023
Fifth Avenue Presybterian Church $100,000 New York, NY, US Music Ministry Grant 2022
Jack Devito Foundation $40,000 Yorktown Heights, NY, US General Operating 2022
Johns Hopkins Bayview Medical Center $30,000 Baltimore, MD, US Health Community Partnership National Symposium 2022
Muskingum University $10,000 New Concord, OH, US General Operating 2022
Palm Beach Area Tennis Patrons Dba First Serve $10,000 West Palm Beach, FL, US General Operating 2022
Prince Albert Ii Of Monaco Foundation $30,000 Philadelphia, PA, US General Operating 2022
Wake Forest University $30,000 Winstonsalem, NC, US General Operating 2022
Fifth Avenue Presybterian Church $100,000 New York, NY, US Music Ministry Grant 2022
Jack Devito Foundation $40,000 Yorktown Heights, NY, US General Operating 2022
Johns Hopkins Bayview Medical Center $30,000 Baltimore, MD, US Health Community Partnership National Symposium 2022
Muskingum University $10,000 New Concord, OH, US General Operating 2022
Palm Beach Area Tennis Patrons Dba First Serve $10,000 West Palm Beach, FL, US General Operating 2022
Prince Albert Ii Of Monaco Foundation $30,000 Philadelphia, PA, US General Operating 2022
Wake Forest University $30,000 Winstonsalem, NC, US General Operating 2022
Fifth Avenue Presybterian Church $100,000 New York, NY, US Music Ministry Grant 2021
Film Society Of Lincoln Center $30,000 New York, NY, US General Operating 2021
Jack Devito Foundation $30,000 Yorktown Heights, NY, US General Operating 2021
Johns Hopkins Bayview Medical Center $50,000 Baltimore, MD, US Health Community Partnership National Symposium 2021
Muskingum University $30,000 New Concord, OH, US General Operating 2021
Nami Maryland $10,000 Columbia, MD, US General Operating 2021
Nami-nyc $10,000 New York, NY, US General Operating 2021
Fifth Avenue Presybterian Church $100,000 New York, NY, US Music Ministry Grant 2020
Fifth Avenue Presybterian Church $16,000 New York, NY, US Choir 2020
Film Society Of Lincoln Center $20,000 New York, NY, US General Operating 2020
Jack Devito Foundation $20,000 Mahopac, NY, US General Operating 2020
Johns Hopkins Bayview Medical Center $50,000 Baltimore, MD, US Health Community Partnership National Symposium 2020
Muskingum University $10,000 New Concord, OH, US General Operating 2020
Wake Forest University $10,000 Winstonsalem, NC, US General Operating 2020
Ahrc Nassau $10,000 Brookville, NY, US General Operating 2018
Cedars-sinai Medical Center $50,000 Los Angeles, CA, US Music For Healing Program 2018
Fifth Avenue Presybterian Church $100,000 New York, NY, US Music Ministry Grant 2018
Film Society Of Lincoln Center $20,000 New York, NY, US General Operating 2018
Jack Devito Foundation $20,000 Mahopac, NY, US General Operating 2018
Johns Hopkins Bayview Medical Center $50,000 Baltimore, MD, US Health Community Partnership National Symposium 2018
Muskingum University $10,000 New Concord, OH, US General Operating 2018
Nyac Athlete's Fund $50,000 New York, NY, US General Operating 2018
Wake Forest University $10,000 Winstonsalem, NC, US General Operating 2018
Ahrc Nassau $10,000 Brookville, NY, US General Operating 2017
Cedars-sinai Medical Center $20,000 Los Angeles, CA, US Personalized Medicine Fund 2017
Cedars-sinai Medical Center $50,000 Los Angeles, CA, US Music For Healing Program 2017
Fifth Avenue Presybterian Church $100,000 New York, NY, US Music Ministry Grant 2017
Gabrielle's Angel Foundation For Cancer Research $5,000 New York, NY, US General Operating 2017
Jack Devito Foundation $10,000 Mahopac, NY, US General Operating 2017
Johns Hopkins Bayview Medical Center $50,000 Baltimore, MD, US Health Community Partnership National Symposium 2017
Muskingum University $10,000 New Concord, OH, US General Operating 2017
Nancy Davis Foundation For Ms $5,000 Los Angeles, CA, US General Operating 2017
Ahrc Nassau $10,000 Brookville, NY, US General Operating 2016
Cedars-sinai Medical Center $20,000 Los Angeles, CA, US Personalized Medicine Fund 2016
Cedars-sinai Medical Center $50,000 Los Angeles, CA, US Music For Healing Program 2016
Fifth Avenue Presybterian Church $100,000 New York, NY, US Music Ministry Grant 2016
Gabrielle's Angel Foundation For Cancer Research $5,000 New York, NY, US General Operating 2016
Jack Devito Foundation $10,000 Mahopac, NY, US General Operating 2016
Johns Hopkins Bayview Medical Center $50,000 Baltimore, MD, US Health Community Partnership National Symposium 2016
Johns Hopkins University Press $25,000 Baltimore, MD, US 3rd Edition Of Book On Building Healthy Communities Through Medical/religious Partnerships 2016
Muskingum University $10,000 New Concord, OH, US General Operating 2016
Nancy Davis Foundation For Ms $5,000 Los Angeles, CA, US General Operating 2016
New York - Presbyterian Fund $50,000 New York, NY, US Infusion Center 2016
Prostate Cancer Foundation $50,000 Santa Monica, CA, US General Operating 2016

Foundations Similar to The William S Perper Foundation

Discover 5 foundations with comparable assets ($837,841-$842,687), 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: 35-6943074 | 135 grants awarded
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$45,000
median grant
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EIN: 84-3792330 | 7 grants awarded
$839,094
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median grant
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EIN: 13-3398050 | 4 grants awarded
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Contact Information

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

EIN 45-6337299
Website N/A
Address 1 ROCKEFELLER PLZ FRNT 3 New York, NY 10020-2024

Key People (3)

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

Trustee James A Purdy
Trustee Kevin C Sunkel
Trustee James Coleman

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 William S Perper 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 May 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.