Osullivan Foundation Trust Dtd 122299

PRINCETON, NJ EIN: 06-6487034

Osullivan Foundation Trust Dtd 122299 is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in PRINCETON, NJ. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $24.0M in total assets. In 2024, it awarded 13 grants totaling $3.6M. Net investment income was $3.1M.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$24.0M

+1.7% YoY

Annual Giving

$3.6M

+261.6% YoY

Grant Count

13

-18.8% YoY

Avg Grant Size

$279K

+345.0% YoY

About Osullivan Foundation Trust Dtd 122299

Based on IRS filings

Osullivan Foundation Trust Dtd 122299 is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in PRINCETON, NJ. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $24.0M in total assets. In 2024, it awarded 13 grants totaling $3.6M. Net investment income was $3.1M.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

9states
+1 more states

Cities

AlbanyArlingtonBeverly HillsCaldwellHamilton TownshipHerndonHillsboroughLanghorneLos AngelesMadisonMountain ViewNotre DamePalo AltoPhoenixPleasantonSacramentoScarsdaleTorringtonTroy

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$1M$3M$4M$6M20202021202220232024
Metric202420232022
Total Assets$24,039,901$23,644,350$22,078,815
Revenue$3,110,142$3,429,315$5,006,176
Expenses$3,637,255$1,075,743$969,524
Qualifying Distributions$3,633,700$1,032,609$1,184,158
Net Investment Income$3,106,587$3,405,731$5,000,810
Distributable Amount$2,511,317$2,531,822$2,482,139

Giving Over Time

Total grant dollars and number of grants per year

$0$906K$2M$3M$4M1 grants20202 grants20211 grants202216 grants202313 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

KHAN ACADEMY$1.4MRENSSELAER POLYTECHNIC I…$1.4MTHE BRAIN FOUNDATION$550KMULTIPLE HUB INC$50KINTERNATIONAL ASSOCATION…$40KINTERNATIONAL ASSOCATION…$40KINTERNATIONAL ASSOCATION…$40KINTERNATIONAL ASSOCATION…$40KUS IRELAND ALLIANCE$25KAUTISM SCIENCE FOUNDATION$10K

Grant Size Distribution

33 grants across all recorded years

19<$50K6$50–100K1$100–250K1$250–500K3$500K–1M3$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
SEAN M O'SULLIVANTRUSTEE1
MARIE T O'SULLIVANTRUSTEE1
ANNE S O'SULLIVANTRUSTEE1

Subject Areas

Focus areas based on grantmaking activity

Related Funders

Similar funders by location and focus area

Data last updated April 2026. Sourced from IRS Form 990-PF filings.

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