Sox Tree Foundation

EIN 87-2933644 · CA · NTEE T20

Invitation only Typical grant ~$25K Funds in AZ, CA, HI +4
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Giving Profile

In 2025, Sox Tree Foundation based in CA paid 16 grants totaling $1.1M to 16 organizations across 7 states. Individual grants ranged from $9K to $400K, with a median of $25K. Its largest recipients included ARIZONA STATE UNIVERSITY FDN, MID-PACIFIC INSTITUTE, and CALIFORNIA COMMUNITY FUND. The foundation does not accept unsolicited applications — giving is by invitation only.

Foundation at a Glance

Total assets
$1,686,720
Giving (latest yr)
$1,066,500
Filing year
2025
Itemized grants
16
Median grant
$25K
Recipients
16
States reached
7
Officers/trustees
2
Unsolicited applications
No — invitation only

Where the Money Goes

Top recipients

  • Arizona State University Fdn$400,000
  • Mid-pacific Institute$150,000
  • California Community Fund$100,000
  • Gladstone Foundation$87,500
  • Stanford University$50,000

Where grants went

  • Arizona$420,000 · 2 grants
  • California$286,500 · 6 grants
  • Hawaii$225,000 · 4 grants
  • District of Columbia$50,000 · 1 grant
  • Washington$35,000 · 1 grant
  • Delaware$25,000 · 1 grant

Grants Paid (16)

Arizona State University Fdn
Tempe, AZ
Unrestricted Gift
$400,000
Mid-pacific Institute
Honolulu, HI
Unrestricted Gift
$150,000
California Community Fund
Los Angeles, CA
Unrestricted Gift
$100,000
Gladstone Foundation
San Francisco, CA
Unrestricted Gift
$87,500
Stanford University
Stanford, CA
Unrestricted Gift
$50,000
US Japan Council
Washington, DC
Unrestricted Gift
$50,000
Foundation for International
Seattle, WA
Unrestricted Gift
$35,000
Pacific International Center for High
Honolulu, HI
Unrestricted Gift
$25,000
Purple Maia Foundation
Aiea, HI
Unrestricted Gift
$25,000
Nishimachi Foundation
Wilmington, DE
Unrestricted Gift
$25,000
Risehi Foundation
Kailua, HI
Unrestricted Gift
$25,000
Okinawa Institute of Science and
Irvington, NY
Unrestricted Gift
$25,000

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FAQFrequently Asked Questions

No. Sox Tree Foundation does not accept unsolicited applications — its grantmaking is by invitation only. Cultivating a relationship or securing an introduction is typically required.

In its most recent filing, Sox Tree Foundation reported 16 itemized grants totaling $1.1M. Individual grants ranged from $9K to $400K (median $25K).

Recent recipients include ARIZONA STATE UNIVERSITY FDN, MID-PACIFIC INSTITUTE, CALIFORNIA COMMUNITY FUND, among 16 organizations in total. The full grant list is on this page.

Sox Tree Foundation is a private foundation based in California, per its IRS 990-PF filing.

Sox Tree Foundation gives by invitation only, so there is no open application. Officer and address details from its 990-PF are the best starting point for an introduction.

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