Jack & Mae Rosenberg Charitable Trust | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like Jack & Mae Rosenberg Charitable Trust. Data shown is extracted from Form 990-PF filings.

EIN: 13-7050361

Foundation Overview

Based in New York, NY, Jack & Mae Rosenberg Charitable Trust has awarded 10 grants totaling $4,133,348 to organizations in Massachusetts and Maryland. Individual grants range from $100,000 to $1,000,000, with a median award of $166,674.

Latest Tax Year
2024
Total Giving (all years)
$4,133,348
Total Assets
$0
Median Grant (all grants)
$166,674

Latest Form 990-PF Snapshot

Total Grants
4
Median Grant
$336,174
% Median Grant Decline
-39% (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 4 recipients (0%) were new grantees. Foundation maintains tight relationships with established partners. New applicants rarely succeed without insider connections.

Geographic Focus
Massachusetts

50% of grants are awarded in Massachusetts, with additional funding distributed across 1 other locations. The foundation balances regional focus with broader geographic diversity. Within Massachusetts, funding concentrates in Bedford (100%).

Funding Trajectory
+1633%

Strong 1633% growth in annual giving over 4 years indicates expanding philanthropic capacity and increasing opportunities for grant seekers. This upward trajectory suggests growing foundation resources and commitment.

Program Areas
General Purposes

Highly focused on general purposes with 100% of funding dedicated to this sector. This specialization indicates deep expertise and committed investment in the field.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into Jack & Mae Rosenberg Charitable Trust'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
Mount Washington Pediatric Hospital $500,000 Baltimore, MD, US General 2024
Nashoba Learning Group $161,000 Bedford, MA, US General 2024
Mount Washington Pediatric Hospital $900,000 Baltimore, MD, US General 2024
Mount Washington Pediatric Hospital $172,348 Baltimore, MD, US General 2024
Mount Washington Pediatric Hospital $1,000,000 Baltimore, MD, US General 2023
Nashoba Learning Group $100,000 Bedford, MA, US General 2023
Nashoba Learning Group $100,000 Bedford, MA, US General 2022
Mount Washington Pediatric Hospital $1,000,000 Baltimore, MD, US General 2022
Nashoba Learning Group $100,000 Bedford, MA, US General 2021
Nashoba Learning Group $100,000 Bedford, MA, US General 2020

Foundations Similar to Jack & Mae Rosenberg Charitable Trust

Discover 5 foundations with comparable assets ($0-$0), 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: 11-3556325 | 3 grants awarded
$0
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$108,500
median grant
Brooklyn, NY
Same state
100%
Excellent match

EIN: 11-3520444 | 8 grants awarded
$0
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$126,054
median grant
Smithtown, NY
Same state
100%
Excellent match

EIN: 11-6589517 | 1 grants awarded
$0
(≈ Similar)
$225,000
median grant
Brooklyn, NY
Same state
100%
Excellent match

EIN: 11-3562280 | 5 grants awarded
$0
(≈ Similar)
$200,000
median grant
Manhasset, NY
Same state
100%
Excellent match

EIN: 06-6051280 | 3 grants awarded
$0
(≈ Similar)
$289,776
median grant
New York, NY
Same state
100%
Excellent match

Contact Information

Official contact details for Jack & Mae Rosenberg Charitable Trust as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 13-7050361
Website http://www.guidestar.com
Address CO 101 PARK AVENUE 35TH FLOOR New York, NY 10178-0000

Key People (2)

Board members, trustees, and key staff who oversee Jack & Mae Rosenberg Charitable Trust's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.

Trustee Marsha Stoller
Trustee Amy Jo Bastide

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 Jack & Mae Rosenberg Charitable Trust 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.

Application Status
Based on its IRS Form 990-PF filings, this foundation accepts unsolicited grant applications, meaning eligible organizations can apply directly without a prior relationship.

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.