Windy Bay Foundation
Windy Bay Foundation is a private foundation, based in St Helena, CA. IRS filing data is available from 2021 through 2026. As of 2026, the organization holds $1.8M in total assets. In 2026, it awarded 8 grants totaling $176K. Net investment income was $492K.
Windy Bay Foundation at a glance
In short: Windy Bay Foundation gave $176K across 8 grants in 2026 (avg $22K), mostly in California. Source: 2026 IRS Form 990-PF.
- Annual giving (2026)
- $175,500
- -88.5% vs 2025
- Grants made (2026)
- 8
- -20.0% vs 2025
- Average grant
- $21,938
- -85.6% vs 2025
- Median grant
- $14,500
- Total assets
- $1,768,686
- +21.8% vs 2025
- Primary geography
- California (79% of itemized 2026 grant dollars)
- Latest 990 filing
- Form 990-PF, 2026 View filing
Data from IRS Form 990-PF, 2026; updated September 2026.
Who Windy Bay Foundation funds
How this funder distributes its grants
Top Recipients
Top 8 recipients in 2026
The largest 2026 recipient was Grace Episcopal Church ($63K). Together the top 8 received $176K.
Grant Size Distribution
126 grants across all recorded years
The most common grant size was under $50K: 116 grants of 126 (92%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2026 grant dollars across all 8 itemized grants.
Cities
How Windy Bay Foundation gives
- Giving grew 26% from 2023 to 2026. Method
- In 2026 it paid out 89% 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
From 2021 to 2026, annual grant giving ranged from $61K (2021) to $1.5M (2025). In 2026 it made 8 grants totaling $176K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Grace Episcopal Church St Helena, CA | General Purpose | $62,500 |
| Napa Valley Community Foundation Napa, CA | General Purpose | $50,000 |
| Berklee New York, NY | General Purpose | $25,000 |
| Napa Communities Firewise Foundation Napa, CA | General Purpose | $25,000 |
| Planned Parenthood Federation of America Washington DC, DC | General Purpose | $4,000 |
| Southern Poverty Law Center New York, NY | General Purpose | $4,000 |
| Americans United for Separation of Church and State Washington DC, DC | General Purpose | $4,000 |
| League of Women Voters of California Sacramento, CA | General Purpose | $1,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2026 | $1,768,686 | $551,936 | $218,265 | $175,500 | 8 | $175,500 | $492,436 | $197,791 |
| 2025 | $1,451,750 | $175,493 | $1,566,884 | $1,521,270 | 10 | $1,521,270 | $131,484 | $225,382 |
| 2024 | $2,843,208 | $138,402 | $430,751 | $355,500 | 69 | $355,500 | $119,403 | $236,387 |
| 2023 | $3,135,062 | $1,543,618 | $172,857 | $139,373 | 33 | $139,373 | $1,508,420 | $198,438 |
| 2021 | $1,732,136 | $157,152 | $89,095 | $60,500 | 6 | — | $80,787 | $149,495 |
Under IRS private-foundation payout rules, Windy Bay Foundation reported a distributable amount of $198K for 2026 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Windy Bay Foundation is led by Mary Ann McGuire, President on every filing since 2021; none of the 3 officers listed in 2026 report compensation.
Officers on the 2026 filing
Mary Ann McGuire
President
On filings since 2021
3 hrs/week
No compensation reported
James A. Gamble
CFO
On filings since 2021
1 hr/week
No compensation reported
Stepahnie W. Gamble
Secretary
On filings since 2021
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2021–2026. "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 Windy Bay Foundation
How much does Windy Bay Foundation give each year?
Windy Bay Foundation gave $176K across 8 grants in 2026, according to its 2026 IRS Form 990-PF. In 2025 it gave $1.5M across 10 grants.
What is Windy Bay Foundation's typical grant size?
Windy Bay Foundation's median grant in 2026 was $14,500, and its average grant was $21,938, across 8 grants on its 2026 IRS Form 990-PF.
Where does Windy Bay Foundation give grants?
Windy Bay Foundation gives mostly in California: 79% of the grant dollars itemized on its 2026 IRS Form 990-PF went to recipients there. The next largest state was New York (17%). The most frequent recipient cities were Napa, CA (2 grants), New York, NY (2 grants) and Washington DC, DC (2 grants).
Does Windy Bay Foundation give general operating support?
Yes: 100% of Windy Bay Foundation's 2026 grants with a stated purpose (8 of 8) were for general or operating support, per its 2026 IRS Form 990-PF.
Who are Windy Bay Foundation's largest grantees?
Windy Bay Foundation's largest 2026 grantees include Grace Episcopal Church ($62,500), Napa Valley Community Foundation ($50,000) and Berklee ($25,000), according to its 2026 IRS Form 990-PF. Together they received 78% of its itemized 2026 grant dollars.
How large is Windy Bay Foundation?
Windy Bay Foundation reported $1.8M in total assets on its 2026 IRS Form 990-PF. It paid out $176K in qualifying distributions that year, against a required minimum of $198K (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.
What is Windy Bay Foundation's EIN?
Windy Bay Foundation's EIN (Employer Identification Number) is 94-2914772. IRS Form 990 filing data is available on this page for 2021–2026.
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
- Updated Form 990-PF for fiscal year 2021 (received by the IRS July 16, 2021)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS June 28, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS July 17, 2024)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS February 17, 2026)
- Added Form 990-PF for fiscal year 2026 (received by the IRS July 13, 2026)
- IRS filings on file for fiscal years 2021–2025
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