Janet & Robert W Postma Foundation

Foundation · Grantmaker WATER MILL, NY EIN: 85-3636639

Janet & Robert W Postma Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in WATER MILL, NY. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $4.9M in total assets. In 2024, it awarded 31 grants totaling $422K.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$4.9M

-17.8% YoY

Annual Giving

$422K

+318.1% YoY

Grant Count

31

+106.7% YoY

Avg Grant Size

$14K

+102.3% YoY

Under IRS private-foundation payout rules, Janet & Robert W Postma Foundation reported a distributable amount of $500K for 2024 — the minimum it must pay out in qualifying distributions.

About Janet & Robert W Postma Foundation

Based on IRS filings

Janet & Robert W Postma Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in WATER MILL, NY. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $4.9M in total assets. In 2024, it awarded 31 grants totaling $422K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

8states

Cities

BridgehamptonBrooklynChicagoEast HamptonEast IslipElmsfordGarden CityGermantownGlen CoveGlen RockGlenoldenHampton BaysKennesawNeedham HeightsNew YorkPoint Pleasant BeachRamseyRiverheadRochesterRoslyn

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$2M$4M$5M$7M20202021202220232024
Metric202420232022
Total Assets$4,911,738$5,975,412$6,119,368
Revenue$-593,380$-38,360$1,098
Expenses$470,294$105,596$158,844
Qualifying Distributions$468,450$103,557$134,790
Net Investment Income
Distributable Amount$499,906$285,656$243,698

Giving Over Time

Total grant dollars and number of grants per year

$0$106K$211K$317K$422K0 grants202014 grants202114 grants202215 grants202331 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Southampton Hospital Fou…$150KMyriad USA$50KSt Francis Hospital Foun…$28KCMTA$25KIchan Schoold of Medicine$20KSag Harbor Lions Club Pi…$20KCarmel Connection Founda…$15KNorth Sea Maritime Center$10KRoad Forward Scholarship…$10KWater Mill Community Club$10K

Grant Size Distribution

74 grants across all recorded years

70<$50K3$50–100K1$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Southampton Hospital Foundation ($150,000), Myriad USA ($50,000), St Francis Hospital Foundation ($27,500).

RecipientPurposeAmount
Bergen Highlands Charitable Fndt Ramsey, NJTax Exempt Contribution$2,000
Breakwater Saling Club Sag Harbor, NYTax Exempt Contribution$2,500
Camp One Step Chicago, ILTax Exempt Contribution$5,000
Carmel Connection Foundation Point Pleasant Beach, NJTax Exempt Contribution$15,000
CMTA Glenolden, PATax Exempt Contribution$25,000
Development Disabilities Institute Smithtown, NYTax Exempt Contribution$1,000
EEDA Foundation Riverhead, NYTax Exempt Contribution$5,000
East Islip Soccer Club East Islip, NYTax Exempt Contribution$5,000
Evelyn Alexander Wildlife Rescue Hampton Bays, NYTax Exempt Contribution$500
Glen Rock Booster Club Glen Rock, NJTax Exempt Contribution$2,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
Robert W PostmaPresident1
Janet WhalenVP Secretary Treasurer1
Kristen SlaouiDirector1

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is Janet & Robert W Postma Foundation?

Janet & Robert W Postma Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in WATER MILL, NY. It holds $4.9M in total assets as of 2024.

How large is Janet & Robert W Postma Foundation?

As of 2024, Janet & Robert W Postma Foundation holds $4.9M in total assets with $-593,380 in annual revenue. It awarded 31 grants totaling $422K in 2024.

Where does Janet & Robert W Postma Foundation operate?

Janet & Robert W Postma Foundation has awarded grants in District of Columbia, Georgia, Illinois, Massachusetts, New Jersey, New York, Pennsylvania, Vermont.

What size grants does Janet & Robert W Postma Foundation award?

In 2024, Janet & Robert W Postma Foundation awarded 31 grants totaling $422K — an average of about $14K per grant, based on its IRS Form 990 filings.

How much is Janet & Robert W Postma Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Janet & Robert W Postma Foundation reported a distributable amount of $500K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Janet & Robert W Postma Foundation's EIN?

Janet & Robert W Postma Foundation's EIN (Employer Identification Number) is 85-3636639. IRS Form 990 filing data is available on this page for 2020–2024.

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

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