Funding search · EIN 911801754 · Sacramento, CA
The Robert W Witter Family Foundation
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 21
- grants reported
- $2.7M
- total given
- 2022–2025
- filing years
- $50,000
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
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Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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4 grants matching “bahamas” · $800,000
- $200,000
Friends of the Environment · Delray Beach, FL · 2025
bahamas cave research foundation
- $200,000
Friends of the Environment · Delray Beach, FL · 2024
bahamas cave research foundation
- $200,000
Friends of the Environment · Delray Beach, FL · 2023
support for bahamas cave research foundation
- $200,000
Friends of the Environment · Delray Beach, FL · 2022
support for bahama cave research foundation
Grant history
All 21 reported grants, largest first.
- $500,000
Uc Berkeley Foundation · Berkeley, CA · 2023
Support of public charity programs - women's rugby
- $200,000
Friends of the Environment · Delray Beach, FL · 2025
bahamas cave research foundation
- $200,000
Uc Berkeley Foundation · Berkeley, CA · 2025
Men's Rugby
- $200,000
Uc Berkeley Foundation · Berkeley, CA · 2025
Rugby Fund
- $200,000
Friends of the Environment · Delray Beach, FL · 2024
bahamas cave research foundation
- $200,000
Uc Berkeley Foundation · Berkeley, CA · 2024
Friends of Cal Rugby
- $200,000
Uc Berkeley Foundation · Berkeley, CA · 2024
Witter Rugby Field enhancement
- $200,000
Friends of the Environment · Delray Beach, FL · 2023
support for bahamas cave research foundation
- $200,000
Friends of the Environment · Delray Beach, FL · 2022
support for bahama cave research foundation
- $200,000
Uc Berkeley Foundation · Berkeley, CA · 2022
Support of public charity programs - men's rugby
- $50,000
Uc Berkeley Foundation · Berkeley, CA · 2025
Haas School of Business, Initiative
- $50,000
Uc Berkeley Foundation · Berkeley, CA · 2025
Women's Rugby
- $50,000
Uc Berkeley Foundation · Berkeley, CA · 2024
Haas School of Business, Initiative Dean's Fund 6025264
- $50,000
Uc Berkeley Foundation · Berkeley, CA · 2024
Women's Rugby
- $50,000
Uc Berkeley Foundation · Berkeley, CA · 2022
Support of public charity programs - women's rugby
- $50,000
Uc Berkeley Foundation · Berkeley, CA · 2022
support for public education - Haas School of Business program
- $15,000
Destroyer Escort Historical Museum · Albany, NY · 2025
general operations
- $15,000
Destroyer Escort Historical Museum · Albany, NY · 2024
general operations
- $15,000
Destroyer Escort Historical Museum · Albany, NY · 2023
support for maritime heritage grant
- $15,000
Destroyer Escort Historical Museum · Albany, NY · 2022
support for maritime heritage grant
- $10,000
Yale Medical School · New Haven, CT · 2024
Support of urology program
Who else funds this kind of work
Same state
- Silicon Valley Community Foundation10,471 grants · $10.10B
- Tides Foundation9,402 grants · $1.86B
- UCLA Foundation276 grants · $1.75B
Similar grant size
- Ohio Child Care Resource and Referral16,278 grants · $1.08B
- Gs Donor Advised Philanthropy Fund19,135 grants · $6.79B
- The Chicago Community Trust14,939 grants · $5.82B
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.

