Private foundations · 990-PF data

Foundations in Arizona

823
foundations
$368.4M
grants paid, FY2023–FY2025
186
say they accept unsolicited
$6,000
median grant

Grantlas lists 823 private foundations based in Arizona, from their 990-PF filings for FY2023–FY2025. Together they paid out $368.4 million in grants in their latest filing year, and 186 of them (23%) say they accept unsolicited requests. The most common cities are Scottsdale (217), Phoenix (144) and Tucson (140).

Top 25 of 823 foundations

All 25 foundations below say on their 990-PF that they accept unsolicited requests. Another 161 in this list say so too. Ranked by what they paid in grants in their latest filing.

Foundations in Arizona
The Diane and Bruce Halle FoundationScottsdale, AZ$100,000$47.7M$1,000–$2.4MFY2024
The Bob & Renee Parsons FoundationScottsdale, AZ$250,000$26M$1,000–$10MFY2024
Freeport McMoran FoundationPhoenix, AZ$25.9M$25.9MOne amountFY2025
Ruth McC Tankersley Charitable FndTucson, AZ$50,000$4.7M$5,000–$950,000FY2025
Del E Webb FoundationPrescott, AZ$54,000$3.9M$5,000–$325,000FY2025
Tw Lewis FoundationPhoenix, AZ$25,000$3.7M$500–$600,000FY2025
The Eliot Spalding FoundationOro Valley, AZ$284,250$3M$8,913–$657,470FY2025
Armstrong McDonald FoundationTucson, AZ$115,000$2.7M$30,350–$610,000FY2025
Connie Hillman Family FoundationTucson, AZ$143,316$2.7M$2,500–$975,000FY2024
On Semiconductor FoundationScottsdale, AZ$12,488$2.6M$3,512–$2MFY2024
The Picerne Family Charitable FoundationPhoenix, AZ$1,250$2.5M$14–$547,500FY2024
Lapan Memorial Sunshine Foundation IncTucson, AZ$3,927$1.8M$200–$707,412FY2024
The Hs Lopez Family FoundationTucson, AZ$10,000$1.8M$1,000–$150,000FY2024
Margaret T Morris FoundationPrescott, AZ$10,000$1.7M$450–$100,000FY2025
Margaret E Mooney FoundationTucson, AZ$230,000$1.7M$1,000–$500,000FY2025
Jw Kieckhefer FoundationPrescott, AZ$12,500$1.6M$1,000–$1.6MFY2025
Potoff Private PhilanthropyTucson, AZ$177,000$1.6M$15,000–$775,000FY2025
Canyon InstitutePhoenix, AZ$3,000$1.6M$1,320–$347,885FY2024
Delta Dental Plan of ArizonaScottsdale, AZ$16,240$1.4M$5,000–$300,000FY2024
The Legacy Foundation of SoutheastSierra Vista, AZ$1,933$1.1M$153–$383,056FY2024
The Eleanor Kagi Foundation A Lynn MScottsdale, AZ$100,000$1.1M$10,000–$711,465FY2025
Otto & Edna Neely FoundationGilbert, AZ$10,000$1M$450–$125,500FY2024
The Pino Family FoundationScottsdale, AZ$5,000$964,000$1,000–$1.2MFY2025
The Michelson FoundationScottsdale, AZ$40,000$961,473$10,000–$453,140FY2025
Perry and Sandy Massie FoundationPrescott, AZ$5,000$797,287$1,000–$366,000FY2025
  • Median grant and grant range come from the grant schedule of the 990-PF. A dash means that foundation filed none, and “one amount” means every grant it filed was for the same figure.

798 more foundations — see all in Grantlas

Data from 990-PF filings, FY2023–FY2025. Updated September 20, 2026.