Carol Best Foundation Inc

Private foundation · Grantmaker Tampa, FL EIN: 88-4304442

Carol Best Foundation Inc is a private foundation, based in Tampa, FL. IRS filing data is available from 2022 through 2025. As of 2025, the organization holds $2.6M in total assets. In 2025, it awarded 1 grant totaling $106K. Net investment income was $681K.

Carol Best Foundation Inc at a glance

In short: Carol Best Foundation Inc gave $106K across 1 grant in 2025 (avg $106K), mostly in Florida. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$105,600
+150.3% vs 2024
Grants made (2025)
1
-66.7% vs 2024
Average grant
$105,600
+651.0% vs 2024
Median grant
$105,600
Total assets
$2,610,876
+58.8% vs 2024
Primary geography
Florida (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 Carol Best Foundation Inc funds

How this funder distributes its grants

Top Recipients

Top recipient in 2025

University of South Florida: $106KUniversity of South Florida$106K

The largest 2025 recipient was University of South Florida ($106K).

Grant Size Distribution

4 grants across all recorded years

3<$50K$50–100K1$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 3 grants of 4 (75%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

Share of the 2025 grant dollars on its one itemized grant.

Cities

TampaRutherford

How Carol Best Foundation Inc gives

  • In 2025 it paid out 109% of its IRS minimum distribution (the 5% rule). 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$50K$100K$150K0 grants2022 0 grants2023 3 grants2024 1 grant2025

From 2024 to 2025, annual grant giving ranged from $42K (2024) to $106K (2025). In 2025 it made 1 grant totaling $106K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
University of South Florida Tampa, FLGeneral Operations$105,600
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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$2,610,876$1,655,722$120,114$105,6001$107,751$681,196$99,289
2024$1,644,059$187,933$70,930$42,1823$54,998$78,614$65,327
2023$1,537,511$1,142,628$11,940———$465,728$37,182
2022$835,004$1,260,677$214———$430,922—

Under IRS private-foundation payout rules, Carol Best Foundation Inc reported a distributable amount of $99K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Carol Best Foundation Inc is led by Thilo D. Best, President & Director on every filing since 2022; none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Thilo D. Best

    President & Director

    On filings since 2022

    1 hr/week

    No compensation reported

  • Diana B. Ayers

    Director

    On filings since 2022

    1 hr/week

    No compensation reported

  • Elizabeth A. Best

    Director

    On filings since 2022

    1 hr/week

    No compensation reported

Data from IRS Form 990 filings, 2022–2025. "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 Carol Best Foundation Inc

How much does Carol Best Foundation Inc give each year?

Carol Best Foundation Inc gave $106K across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $42K across 3 grants.

How large is Carol Best Foundation Inc?

Carol Best Foundation Inc reported $2.6M in total assets on its 2025 IRS Form 990-PF. It paid out $108K in qualifying distributions that year, against a required minimum of $99K (roughly 5% of its investment assets).

Where does Carol Best Foundation Inc operate?

Carol Best Foundation Inc has awarded grants in California, Florida.

What is Carol Best Foundation Inc's EIN?

Carol Best Foundation Inc's EIN (Employer Identification Number) is 88-4304442. IRS Form 990 filing data is available on this page for 2022–2025.

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

Data update history

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS August 19, 2026)
  2. IRS filings on file for fiscal years 2022–2024

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

Figures come from Carol Best 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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