Six String Giving Foundation

WILMINGTON, DE EIN: 87-2664106

Six String Giving Foundation is a private family foundation based in Wilmington, Delaware. The foundation is administered through Foundation Source, a professional foundation management company. It operates as a Delaware-based private foundation focused on charitable grantmaking in the northeastern United States.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$20.2M

+16.0% YoY

Annual Giving

$1.1M

+34.7% YoY

Grant Count

+20.0% YoY

Avg Grant Size

$89K

+12.2% YoY

Under IRS private-foundation payout rules, Six String Giving Foundation reported a distributable amount of $977K for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation does not operate formal grant programs with published guidelines. All grants are made at the discretion of the foundation's trustees. Based on IRS Form 990 classifications, the foundation supports:

Education
Philanthropy, Voluntarism & Grantmaking
Human Services

Grantmaking

Grant Range

** $1,500 to $600,000

Invitation Only

** Invitation only — the foundation does not accept unsolicited applications

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Geographic Focus

Where this funder awards grants

The foundation primarily supports charitable organizations in the northeastern United States, with emphasis on:

New York
Massachusetts
Connecticut
Maryland

Grant Distribution by State

Massachusetts $1.9M (64%)

New York $787K (27%)

District of Columbia $100K (3%)

Connecticut $57K (2%)

Michigan $50K (2%)

Maryland $28K (1%)

Arizona $25K (1%)

California $5K (0%)

States

Arizona California Connecticut District of Columbia Massachusetts Maryland Michigan New York

Cities

Ann ArborBostonBronxBrooklineBrooklynBrookvilleGreenwichHagerstownHuntingtonLong Island CityNew YorkNorth HillsNovatoOceansidePhoenixPort ChesterPurchaseStamfordWashingtonWestport

Financial History

Multi-year comparison from IRS filings

Total Assets: $17.4 million (2023); $20.2 million (2024)

Annual Giving: $794,500 (2023); $1,070,000 (2024)

Contact Information:

Address: Foundation Source, 501 Silverside Rd, Wilmington, DE 19809
EIN: 87-2664106
No public website, email, or phone number available

Revenue

Expenses

Qualifying Distributions

Net Investment Income

Metric	2024	2023	2022
Total Assets	$20,239,691	$17,449,219	$10,715,310
Revenue	$3,997,870	$7,613,772	$8,863,004
Expenses	$1,207,398	$879,863	$823,803
Qualifying Distributions	$1,088,403	$815,532	$797,298
Net Investment Income	$943,675	$749,105	$379,328
Distributable Amount	$977,061	$639,369	$149,426

Giving Over Time

Total grant dollars and number of grants per year

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Grant Size Distribution

39 grants across all recorded years

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Fidelity Investments Charitable Gift Fund ($865,000), Cornell University ($75,000), Port Chester Carver Center Inc ($75,000).

Recipient	Purpose	Amount
BOB WOODRUFF FAMILY FOUNDATION INC LONG ISLAND CITY, NY	General & Unrestricted	$15,000
BROOKLYN TECH ALUMNI FOUNDATION INC BROOKLYN, NY	General & Unrestricted	$5,000
CORNELL UNIVERSITY NEW YORK, NY	Tikkun Olam Transportation Program	$75,000
CROHNS & COLITIS FOUNDATION OF AMERICA NEW YORK, NY	General & Unrestricted	$2,500
FIDELITY INVESTMENTS CHARITABLE GIFT FUND BOSTON, MA	Six String Giving Fund	$865,000
MEDECINS SANS FRONTIERES USA INC HAGERSTOWN, MD	General & Unrestricted	$2,500
NASSAU COUNTY AHRC FOUNDATION INC BROOKVILLE, NY	General & Unrestricted	$10,000
NATIONAL ALOPECIA AREATA FOUNDATION NOVATO, CA	General & Unrestricted	$5,000
PORT CHESTER CARVER CENTER INC PORT CHESTER, NY	General & Unrestricted	$75,000
PRIMARY STAGES COMPANY INC NEW YORK, NY	General & Unrestricted	$2,500

Leadership & Key People

Leadership team and compensation from IRS filings

David Kroin — Director
Michelle Kroin — Director and President
Nir Messafi — Secretary and Treasurer

The Kroins are also known for their philanthropic support of the University of Michigan Life Sciences Institute, where they established the David and Michelle Kroin Graduate Student Professional Development Program.

Compensation Overview

From 2024 IRS filing

From 2024 filing

Name	Title	Hours	Compensation
David Kroin	Dir	2	—
Michelle Kroin	Dir, Pres	20	—
Nir Messafi	Sec, Treas	3	—

Frequently Asked Questions

What does Six String Giving Foundation fund?

How do I apply for a grant from Six String Giving Foundation?

**Grant Range:** $1,500 to $600,000 **Application Process:** Invitation only — the foundation does not accept unsolicited applications **Recent Activity:** • 2023: 10 grants awarded totaling $794,500 (median grant $18,000) • 2022: 10 grants awarded • 2021: 7 grants awarded • Total across 2021-2023: 27 grants totaling $1,086,000 **Giving Rate:** Approximately 4.6% of assets annually

Where does Six String Giving Foundation make grants?

The foundation primarily supports charitable organizations in the northeastern United States, with emphasis on: • New York • Massachusetts • Connecticut • Maryland

What size grants does Six String Giving Foundation award?

In 2024, Six String Giving Foundation awarded 12 grants totaling $1.1M — an average of about $89K per grant, based on its IRS Form 990 filings.

How much is Six String Giving Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Six String Giving Foundation reported a distributable amount of $977K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.