Peter H & Dana Gunn Winslow Foundation Inc

Private foundation · Grantmaker Dickerson, MD EIN: 87-3644485

Peter H & Dana Gunn Winslow Foundation Inc is a private foundation, based in Dickerson, MD. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $2.9M in total assets. In 2025, it awarded 2 grants totaling $65K. Net investment income was $11K.

Peter H & Dana Gunn Winslow Foundation Inc at a glance

In short: Peter H & Dana Gunn Winslow Foundation Inc gave $65K across 2 grants in 2025 (avg $33K), mostly in District of Columbia. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$65,000
+116.7% vs 2024
Grants made (2025)
2
+100.0% vs 2024
Average grant
$32,500
+8.3% vs 2024
Median grant
$32,500
Total assets
$2,879,563
+55.1% vs 2024
Primary geography
District of Columbia (100% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

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

Who Peter H & Dana Gunn Winslow Foundation Inc funds

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2025

Bright Beginnings Inc: $45KBright Beginnings Inc$45KEverybody Wins DC: $20KEverybody Wins DC$20K

The largest 2025 recipient was Bright Beginnings Inc ($45K). Together the top 2 received $65K.

Grant Size Distribution

4 grants across all recorded years

4<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 4 grants of 4 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of 2025 grant dollars across all 2 itemized grants.

Cities

Washington

How Peter H & Dana Gunn Winslow Foundation Inc gives

  • In 2025 it paid out 60% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

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

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$20K$40K$60K$80K0 grants2021 0 grants2022 1 grant2023 1 grant2024 2 grants2025

From 2023 to 2025, annual grant giving ranged from $5K (2023) to $65K (2025). In 2025 it made 2 grants totaling $65K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Bright Beginnings Inc Washington, DCProfessional development$45,000
Everybody Wins DC Washington, DCExpand literacy programming$20,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$2,879,563$701,675$66,794$65,0002$66,652$11,395$111,232
2024$1,857,125$511,816$31,895$30,0001$31,817$10,224$65,092
2023$1,058,449$503,421$6,527$5,0001$6,491$5,618$27,491
2022$382,019$404,548$2,982——$2,982$2,606$3,863
2021—$827$827—————

Under IRS private-foundation payout rules, Peter H & Dana Gunn Winslow Foundation Inc reported a distributable amount of $111K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Peter H & Dana Gunn Winslow Foundation Inc is led by Peter H. Winslow, President Treasurer on every filing since 2021; none of the 4 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Peter H. Winslow

    President Treasurer

    On filings since 2021

    2 hrs/week

    No compensation reported

  • Anita Shirley

    Director

    On filings since 2021

    1 hr/week

    No compensation reported

  • Christopher Stephenson

    Vice President

    On filings since 2021

    1 hr/week

    No compensation reported

  • Dana Winslow

    Secretary

    On filings since 2021

    1 hr/week

    No compensation reported

Data from IRS Form 990 filings, 2021–2025. "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 Peter H & Dana Gunn Winslow Foundation Inc

How much does Peter H & Dana Gunn Winslow Foundation Inc give each year?

Peter H & Dana Gunn Winslow Foundation Inc gave $65K across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $30K across 1 grant.

How large is Peter H & Dana Gunn Winslow Foundation Inc?

Peter H & Dana Gunn Winslow Foundation Inc reported $2.9M in total assets on its 2025 IRS Form 990-PF. It paid out $67K in qualifying distributions that year, against a required minimum of $111K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

Where does Peter H & Dana Gunn Winslow Foundation Inc operate?

Peter H & Dana Gunn Winslow Foundation Inc has awarded grants in District of Columbia.

What is Peter H & Dana Gunn Winslow Foundation Inc's EIN?

Peter H & Dana Gunn Winslow Foundation Inc's EIN (Employer Identification Number) is 87-3644485. IRS Form 990 filing data is available on this page for 2021–2025.

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

Data update history

(6)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2021 (received by the IRS May 4, 2022)
  2. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 10, 2023)
  3. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 9, 2024)
  4. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 8, 2025)
  5. Added Form 990-PF for fiscal year 2025 (received by the IRS May 11, 2026)
  6. IRS filings on file for fiscal years 2021–2024

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Peter H & Dana Gunn Winslow Foundation Inc's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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