Foundation directory

Foundations starting with W

555 private foundations with profiled giving history. Figures from IRS 990-PF filings.

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Typical grant is the median of grants reported in the filing data.

1–24 of 555 foundations in this list

The William & Flora Hewlett Foundation

Latest IRS filing: 2024 · Current application dates need confirmation.

Most reported giving: CA, DC, NY

Typical grant
$150K
Total giving
$625M
Grants reported
2,001
WK Kellogg Foundation

Latest IRS filing: 2024 · Current application dates need confirmation.

Most reported giving: MI, DC, CA

Typical grant
$100K
Total giving
$590.3M
Grants reported
3,597
Walton Family Foundation Inc

Latest IRS filing: 2024 · Current application dates need confirmation.

Most reported giving: AR, DC, CA

Typical grant
$200K
Total giving
$562.3M
Grants reported
1,020
Wellspring Philanthropic Fund Inc

Latest IRS filing: 2023 · Current application dates need confirmation.

Most reported giving: NY, DC, CA

Typical grant
$200K
Total giving
$326M
Grants reported
1,101
Wells Fargo Foundation

Latest IRS filing: 2025 · Current application dates need confirmation.

Most reported giving: CA, NY, SC

Typical grant
$30K
Total giving
$312.6M
Grants reported
2,986
The William Penn Foundation

Latest IRS filing: 2024 · Current application dates need confirmation.

Most reported giving: PA, DC, NJ

Typical grant
$41.5K
Total giving
$292.3M
Grants reported
2,134
Waverley Street Foundation

Latest IRS filing: 2024 · Current application dates need confirmation.

Most reported giving: CA, NY, DC

Typical grant
$1M
Total giving
$282.1M
Grants reported
144
Wellcome Leap Inc

Latest IRS filing: 2024 · Current application dates need confirmation.

Most reported giving: CA, NY, MA

Typical grant
$594K
Total giving
$216.9M
Grants reported
279
Windgate Charitable Foundation Inc

Latest IRS filing: 2025 · Current application dates need confirmation.

Most reported giving: AR, MN, TN

Typical grant
$52K
Total giving
$182.5M
Grants reported
616
The Wexner Family Charitable Fund

Latest IRS filing: 2025 · Current application dates need confirmation.

Most reported giving: OH, NY, CO

Typical grant
$200K
Total giving
$114.3M
Grants reported
59
Wal-Mart Foundation

Latest IRS filing: 2024 · Current application dates need confirmation.

Most reported giving: VA, DC, AR

Typical grant
$430K
Total giving
$113.9M
Grants reported
144
Wayne and Gladys Valley Foundation

Latest IRS filing: 2024 · Current application dates need confirmation.

Most reported giving: CA, OR, TN

Typical grant
$25K
Total giving
$84.6M
Grants reported
95
Weingart Foundation

Latest IRS filing: 2024 · Current application dates need confirmation.

Most reported giving: CA, DC, NY

Typical grant
$10K
Total giving
$72M
Grants reported
1,041
Wm Keck Foundation

Latest IRS filing: 2024 · Current application dates need confirmation.

Most reported giving: CA, MA, OR

Typical grant
$10K
Total giving
$69.7M
Grants reported
260
William Davidson Foundation

Latest IRS filing: 2024 · Current application dates need confirmation.

Most reported giving: MI, NY, DC

Typical grant
$287.5K
Total giving
$59.6M
Grants reported
94
Wend II Inc

Latest IRS filing: 2025 · Current application dates need confirmation.

Most reported giving: CO, DC, NY

Typical grant
$100K
Total giving
$57.8M
Grants reported
160
Winiarski Family Foundation

Latest IRS filing: 2025 · Current application dates need confirmation.

Most reported giving: NM, CA, DC

Typical grant
$1.6M
Total giving
$57.3M
Grants reported
9
The Wallace Foundation

Latest IRS filing: 2024 · Current application dates need confirmation.

Most reported giving: DC, CA, TX

Typical grant
$26K
Total giving
$54.6M
Grants reported
318
W P Carey Foundation Inc

Latest IRS filing: 2024 · Current application dates need confirmation.

Most reported giving: PA, NY, AZ

Typical grant
$5K
Total giving
$49.7M
Grants reported
285
Windsong Trust

Latest IRS filing: 2024 · Current application dates need confirmation.

Most reported giving: CA, NV, NY

Typical grant
$200K
Total giving
$47.2M
Grants reported
158
Walter Scott Family Foundation

Latest IRS filing: 2024 · Current application dates need confirmation.

Most reported giving: NE, IA, HI

Typical grant
$50K
Total giving
$46.3M
Grants reported
78
W L Lyons Brown Foundation

Latest IRS filing: 2025 · Current application dates need confirmation.

Most reported giving: KY, TN, DC

Typical grant
$10K
Total giving
$38.3M
Grants reported
160
Weitz Family Foundation

Latest IRS filing: 2024 · Current application dates need confirmation.

Most reported giving: NE, IL, NY

Typical grant
$50K
Total giving
$35M
Grants reported
338
William Randolph Hearst Foundation

Latest IRS filing: 2024 · Current application dates need confirmation.

Most reported giving: NY, CA, FL

Typical grant
$100K
Total giving
$34.9M
Grants reported
264

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