Gwen L Kosinski Foundation Inc logo

Gwen L Kosinski Foundation Inc

Public charity · Grantmaker Riverhead, NY EIN: 58-2683423 Website

The major purpose of the organization is to raise funds for brain cancer research projects. In addition, the organization will fund scholarships to students who attend pierson high school, the lienard school of nursing at pace university or other institutions of higher learning to pursue careers in the healthcare industry.

Key facts about Gwen L Kosinski Foundation Inc

In short: Gwen L Kosinski Foundation Inc gave $105K across 4 grants in 2025 (avg $26K), top state New York. Source: 2025 IRS Form 990.

EIN
58-2683423
Latest 990 filing
Form 990, 2025
Annual giving (2025)
$105,000
Grants made (2025)
4
Average grant
$26,250
Median grant
$25,000
Total assets
$341,898
Primary geography
New York (43% of itemized 2025 grant dollars)

Data from IRS Form 990, 2025; updated September 2026.

Financial Overview

From 2025 IRS Form 990 · View filing

Total Assets

$342K

+44.6% YoY

Annual Giving

$105K

+5.0% YoY

Grant Count

4

+0.0% YoY

Avg Grant Size

$26K

+5.0% YoY

How Gwen L Kosinski Foundation Inc gives

  • Giving grew 40% from 2022 to 2025. Method

From the foundation's IRS Form 990 filings. Methodology.

About Gwen L Kosinski Foundation Inc

Based on IRS filings

Gwen L Kosinski Foundation Inc is a public charity focused on Medical Research, based in Riverhead, NY. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $342K in total assets. In 2025, it awarded 4 grants totaling $105K. Net investment income was $8K.

Focus Areas

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

3states

Share of 2025 grant dollars across all 4 itemized grants.

Cities

Los AngelesNew YorkNewtonWesthampton Beach

Giving Over Time

Total grant dollars and number of grants per year

$0$50K$100K$150K0 grants2019 0 grants2020 0 grants2021 3 grants2022 4 grants2023 4 grants2024 4 grants2025

From 2022 to 2025, annual grant giving ranged from $75K (2022) to $105K (2025). In 2025 it made 4 grants totaling $105K.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 4 recipients in 2025

National Brain Tumor Society: $35KNational Brain Tumor Society$35KMemorial Sloan Kettering: $25KMemorial Sloan Kettering$25KCedars Sinai Medical Center: $25KCedars Sinai Medical Center$25KEast End Hospice: $20KEast End Hospice$20K

The largest 2025 recipient was National Brain Tumor Society ($35K). Together the top 4 received $105K.

Grant Size Distribution

15 grants across all recorded years

15<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 15 grants of 15 (100%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
National Brain Tumor Society Newton, MAMedical Research$35,000
Memorial Sloan Kettering New York, NYMedical Reserch$25,000
Cedars Sinai Medical Center Los Angeles, CAMedical Reserch$25,000
East End Hospice Westhampton Beach, NYMedical Care$20,000

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Net Investment Income
$0$100K$200K$300K2019 2020 2021 2022 2023 2024 2025
Metric202520242023
Total Assets$341,898$236,414$185,576
Revenue$211,091$159,046$139,536
Expenses$116,972$115,332$110,401
Net Investment Income$8,391$9,237$1,713

Data update history

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990 for fiscal year 2024 (received by the IRS May 12, 2025)
  2. Updated Form 990 for fiscal year 2025 (received by the IRS May 13, 2026)
  3. Added Form 990-EZ for fiscal year 2019 (received by the IRS May 8, 2020)
  4. Updated Form 990-EZ for fiscal year 2020 (received by the IRS May 11, 2021)
  5. Updated Form 990-EZ for fiscal year 2021 (received by the IRS May 16, 2022)
  6. Updated Form 990 for fiscal year 2022 (received by the IRS June 22, 2023)
  7. Updated Form 990 for fiscal year 2023 (received by the IRS May 14, 2024)

Leadership & Key People

Officers and directors from IRS filings

Gwen L Kosinski Foundation Inc is led by Jaime Kosinski, Executive Director on every filing since 2019; none of the 4 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Jaime Kosinski

    Executive Director

    On filings since 2019

    No compensation reported

  • Jackie Dacuk

    Director

    On filings since 2019

    No compensation reported

  • Randy Crennan

    Director

    On filings since 2019

    No compensation reported

  • Vee Bennett

    Director

    On filings since 2019

    No compensation reported

Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about Gwen L Kosinski Foundation Inc

How much does Gwen L Kosinski Foundation Inc give each year?

Gwen L Kosinski Foundation Inc gave $105K across 4 grants in 2025, according to its 2025 IRS Form 990. In 2024 it gave $100K across 4 grants.

What is Gwen L Kosinski Foundation Inc's typical grant size?

Gwen L Kosinski Foundation Inc's median grant in 2025 was $25,000, and its average grant was $26,250, across 4 grants on its 2025 IRS Form 990.

Where does Gwen L Kosinski Foundation Inc give grants?

Gwen L Kosinski Foundation Inc's top state is New York, with 43% of the grant dollars itemized on its 2025 IRS Form 990. The next largest states were Massachusetts (33%) and California (24%).

Does Gwen L Kosinski Foundation Inc give general operating support?

Not in 2025: none of the 4 grants with a stated purpose on Gwen L Kosinski Foundation Inc's 2025 IRS Form 990 were described as general or operating support.

How large is Gwen L Kosinski Foundation Inc?

Gwen L Kosinski Foundation Inc reported $342K in total assets on its 2025 IRS Form 990. Its revenue that year was $211K.

What is Gwen L Kosinski Foundation Inc?

Gwen L Kosinski Foundation Inc is a public charity focused on Medical Research, based in Riverhead, NY. It holds $342K in total assets as of 2025.

What is Gwen L Kosinski Foundation Inc's EIN?

Gwen L Kosinski Foundation Inc's EIN (Employer Identification Number) is 58-2683423. IRS Form 990 filing data is available on this page for 2019–2025.

Data last updated September 2026. Sourced from IRS Form 990 filings.

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