Vin and Caren Prothro Foundation

Private foundation · Grantmaker Dallas, TX EIN: 75-2911958

The Vin and Caren Prothro Foundation is a private foundation based in Dallas, Texas. Its 2025 filing reports 30 grants totaling $536,955, including support for education, environmental projects, health care, arts and community organizations.

Key facts about Vin and Caren Prothro Foundation

In short: Vin and Caren Prothro Foundation gave $537K across 30 grants in 2025 (avg $18K), mostly in Connecticut. 27% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

EIN
75-2911958
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$536,955
Grants made (2025)
30
Average grant
$17,899
Median grant
$5,000
New grantees (estimate)
27% first-time grantees (6 of 22, 2025)
Total assets
$6,383,648
Primary geography
Connecticut (53% of itemized 2025 grant dollars)
Accepts unsolicited proposals
No
How to apply
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Full details ↓

Data from IRS Form 990-PF, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

$6.4M

+7.2% YoY

Annual Giving

$537K

+17.0% YoY

Grant Count

30

+15.4% YoY

Avg Grant Size

$18K

+1.4% YoY

Under IRS private-foundation payout rules, Vin and Caren Prothro Foundation reported a distributable amount of $552K for 2025 — the minimum it must pay out in qualifying distributions.

Is Vin and Caren Prothro Foundation open to new grantees?

27%

first-time grantees, 2025

In 2025, 6 of 22 grantees (27%) were first-time recipients. First grants averaged $7K; repeat grants $31K. How we count

Medians: $4K first-time, $5K repeat.

  • 59% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (+19%). Method
  • In 2025 it paid out 104% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

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

Mission & Focus Areas

No mission statement for the foundation is provided. Its 2025 grants show support for projects in education, environmental work, health care, arts and community services. For example, grants included multi-year support for Yale University’s School of the Environment, projects at Southern Methodist University, an outpatient cancer care tower at UT Southwestern Medical Center, and Harold Simmons Park’s capital campaign.

Grantee statements offer context about the organizations’ work. Southern Methodist University describes its mission as education through research and teaching, creating and imparting knowledge to shape citizens who contribute to their communities and lead professions. Trinity Park Conservancy says it champions transforming the Trinity River into the heart of Dallas, with community-designed public spaces, access to nature and protection of river ecosystems. Uplift Education says it works to create and sustain public schools of excellence that empower students to reach their potential.

Grantmaking

In filing year 2025, the foundation reported 30 grants totaling $536,955. Grant amounts ranged from $500 to $284,000, with a median of $5,000.

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Geographic Focus

Where this funder awards grants

In 2025, 53% of grant dollars went to recipients in Connecticut and 47% to recipients in Texas. The filing reports 0% going to recipients in the District of Columbia.

Grant Distribution by State

8states

Share of 2025 grant dollars across all 30 itemized grants.

Cities

DallasSanta FeNew HavenWinston-SalemWashingtonAustinDentonNew YorkOaklandWichita FallsKaunakakaiPlanoRichardson

Giving Over Time

Total grant dollars and number of grants per year

$0$200K$400K$600K41 grants2020 41 grants2021 40 grants2022 27 grants2023 26 grants2024 30 grants2025

From 2020 to 2025, annual grant giving ranged from $419K (2021) to $537K (2025). In 2025 it made 30 grants totaling $537K.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Yale University: $284KYale University$284KSouthern Methodist University: $131K across 8 grantsSouthern Methodist University$131K · 8 grantsTrinity Park Conservancy: $25KTrinity Park Conservancy$25KUT Southwestern Medical Center: $21K across 2 grantsUT Southwestern Medical Center$21K · 2 grantsGeorge W Bush Foundation: $10KGeorge W Bush Foundation$10KUnited Way of Metropolitan Dallas: $10KUnited Way of MetropolitanDallas$10KUplift Education: $8KUplift Education$8KATT Performing Arts Center: $5KATT Performing Arts Center$5KMethodist Health System Foundation: $5KMethodist Health SystemFoundation$5KSM Wright Foundation: $5KSM Wright Foundation$5K

The largest 2025 recipient was Yale University ($284K). Together the top 10 received $504K.

Organizations only. It also paid 1 grant to individuals ($1,000), which are not listed by name.

Grant Size Distribution

164 grants across all recorded years

150<$50K9$50–100K2$100–250K3$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 150 grants of 164 (91%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Yale University New Haven, CTMulti-year funding for the School of the Environment$284,000
Southern Methodist University Dallas, TXMulti-year funding towards the Owens Art Center Renovation in honor of Nancy McMillan Dedman$71,420
Southern Methodist University Dallas, TXMulti-year funding towards the Gerald and Gail Turner ScholarsProgram$25,000
Trinity Park Conservancy Dallas, TXMulti-year funding for Harold Simmons Park Capital Campaign$25,000
Southern Methodist University Dallas, TXMulti-year funding towards the Caren and Vin Prothro Organ for Perkins Chapel$20,000
UT Southwestern Medical Center Dallas, TXMulti-year funding towards the Outpatient Cancer Care Tower$20,000
George W Bush Foundation Dallas, TXLeadership Circle general support$10,000
United Way of Metropolitan Dallas Dallas, TXRuth Sharp Altshuler Tocqueville Society$10,000
Uplift Education Dallas, TXGeneral operating and special event underwriting$7,500
ATT Performing Arts Center Dallas, TXGeneral operating support$5,334

Financial History

Multi-year comparison from IRS filings

Filing year Assets Revenue Expenses Grant sum Grant count
2025 $6,383,648 $1,053,235 $622,011 $536,955 30
2024 $5,952,424 $441,225 $521,952 $458,894 26
2023 $6,033,151 $60,004 $527,014 $460,892 27
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$500K$1M$1.5M2020 2021 2022 2023 2024 2025
Metric202520242023
Total Assets$6,383,648$5,952,424$6,033,151
Revenue$1,053,235$441,225$60,004
Expenses$622,011$521,952$527,014
Qualifying Distributions$573,239$493,442$492,805
Net Investment Income$1,033,770$416,061$197,391
Distributable Amount$552,319$536,795$485,994

Data update history

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS August 4, 2026)
  2. IRS filings on file for fiscal years 2020–2024

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Caren H Prothro as Chair Emeritus/Director; Nita C Clark as President/Director; Vincent H Prothro as Vice President/Director; and J H Cullum Clark as Secretary, Treasurer and Director. It also lists Dori Kawai as CFO and Douglas C Denby as CIO.

Vin and Caren Prothro Foundation is led by Nita C Clark, President & Director on every filing since 2020; none of the 6 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Nita C Clark

    President & Director

    On filings since 2020

    3 hrs/week

    No compensation reported

  • Caren H Prothro

    Chair Em. & Director

    Chairman Emeritus → Chair Em. & Director, 2023

    On filings since 2020

    3 hrs/week

    No compensation reported

  • J H Cullum Clark

    Secretary, Treasurer & Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Vincent H Prothro

    Vice President & Director

    On filings since 2020

    0.1 hrs/week

    No compensation reported

  • Dori Kawai

    CFO

    On filings since 2020

    1 hr/week

    No compensation reported

  • Douglas C Denby

    CIO

    On filings since 2020

    0.5 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Contact

Mailing address: 3131 Turtle Creek Blvd 1210, Dallas, TX 75219
Phone: (214) 540-4808

Frequently asked questions about Vin and Caren Prothro Foundation

How much does Vin and Caren Prothro Foundation give each year?

Vin and Caren Prothro Foundation gave $537K across 30 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $459K across 26 grants.

What is Vin and Caren Prothro Foundation's typical grant size?

Vin and Caren Prothro Foundation's median grant in 2025 was $5,000, and its average grant was $17,899, across 30 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Vin and Caren Prothro Foundation that year got $7K on average.

Where does Vin and Caren Prothro Foundation give grants?

Vin and Caren Prothro Foundation gives mostly in Connecticut: 53% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Texas (47%). The most frequent recipient cities were Dallas, TX (26 grants).

Does Vin and Caren Prothro Foundation give general operating support?

Yes: 27% of Vin and Caren Prothro Foundation's 2025 grants with a stated purpose (8 of 30) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are Vin and Caren Prothro Foundation's largest grantees?

Vin and Caren Prothro Foundation's largest 2025 grantees include Yale University ($284,000), Southern Methodist University ($131,420 across 8 grants) and Trinity Park Conservancy ($25,000), according to its 2025 IRS Form 990-PF. It also paid 1 grant to individuals ($1,000), which are not listed by name. Together they received 82% of its itemized 2025 grant dollars.

How large is Vin and Caren Prothro Foundation?

Vin and Caren Prothro Foundation reported $6.4M in total assets on its 2025 IRS Form 990-PF. It paid out $573K in qualifying distributions that year, against a required minimum of $552K (roughly 5% of its investment assets).

What does Vin and Caren Prothro Foundation fund?

No mission statement for the foundation is provided. Its 2025 grants show support for projects in education, environmental work, health care, arts and community services. See mission & focus areas ↑

How do I apply for a grant from Vin and Caren Prothro Foundation?

The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Vin and Caren Prothro Foundation's EIN?

Vin and Caren Prothro Foundation's EIN (Employer Identification Number) is 75-2911958. IRS Form 990 filing data is available on this page for 2020–2025.

Does Vin and Caren Prothro Foundation accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

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

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