The 300 Foundation | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like The 300 Foundation. Data shown is extracted from Form 990-PF filings.

EIN: 82-3690192

Foundation Overview

Based in Boston, MA, The 300 Foundation has awarded 12 grants totaling $8,687,725 to organizations in Massachusetts and New York. Individual grants range from $7,500 to $4,278,000, with a median award of $311,500.

Latest Tax Year
2023
Total Giving (all years)
$8,687,725
Total Assets
$1,231,317
Median Grant (all grants)
$311,500

Latest Form 990-PF Snapshot

Total Grants
1
Median Grant
$186,000
% Median Grant Decline
-57% (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
Limited Sample: 0%

1 total grant. Insufficient data for reliable pattern analysis. Foundation may be highly selective or recently established.

Geographic Focus
Massachusetts

67% 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 Boston (100%).

Funding Trajectory
-38%

Declining funding trend with 38% decrease over 5 years may indicate reduced grant opportunities or shifting foundation priorities. This trajectory suggests more competitive application environment.

Program Areas
Community Projects + General Purposes

Dual focus on community projects (80%) and general purposes, indicating strategic concentration in complementary program areas.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into The 300 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
The Boston Foundation $186,000 Boston, MA, US General Support Towards Charitable Mission 2023
The Boston Foundation $437,000 Boston, MA, US General Support Towards Charitable Mission 2022
The Boston Foundation $437,000 Boston, MA, US General Support Towards Charitable Mission 2022
The Boston Foundation $437,000 Boston, MA, US General Support Towards Charitable Mission 2022
The Boston Foundation $1,750,000 Boston, MA, US General Support Towards Charitable Mission 2021
The Boston Foundation $4,278,000 Boston, MA, US General Support Towards Charitale Mission 2020
The Boston Foundation $863,725 Boston, MA, US General Support Towards Charitable Mission (contributed Partnership Interest) 2020
Neo Philanthropy $76,500 New York, NY, US The Four Freedoms Fund And The Four Freedoms Fund Rapid Response 2018
Vera Institute Of Justice $165,000 New York, NY, US General Support Towards Charitable Mission 2018
Tailored For Education $10,000 Boston, MA, US General Support Towards Charitable Mission 2018
Aclu Foundation $40,000 New York, NY, US General Support Towards Charitable Mission 2018
Neo Philanthropy $7,500 New York, NY, US General Support Towards Charitable Mission 2018

Foundations Similar to The 300 Foundation

Discover 5 foundations with comparable assets ($559,835-$1,883,138), similar grant patterns, and geographic focus in MA 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: 04-2794647 | 75 grants awarded
$1,343,851
(≈ Similar)
$200,000
median grant
Danvers, MA
Same state
95%
Excellent match

EIN: 27-4407525 | 1 grants awarded
$1,629,077
(↑ Larger)
$400,191
median grant
Stoughton, MA
Same state
84%
Excellent match

EIN: 13-1926374 | 11 grants awarded
$1,883,138
(↑ Larger)
$500,000
median grant
Waltham, MA
Same state
74%
Good match

EIN: 20-1798600 | 6 grants awarded
$567,805
(↓ Smaller)
$300,000
median grant
Belmont, MA
Same state
73%
Good match

EIN: 88-1013063 | 12 grants awarded
$559,835
(↓ Smaller)
$250,000
median grant
Boston, MA
Same state
73%
Good match

Contact Information

Official contact details for The 300 Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 82-3690192
Website N/A
Address PO BOX 290058 Boston, MA 02129-0201

Key People (4)

Board members, trustees, and key staff who oversee The 300 Foundation's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.

Trustee Michael Kranzley
Trustee Dexter Clark Blumenthal
Trustee Constance Rose Blumenthal
Trustee Charlene Achki Repko

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 300 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.