STEM grants for nonprofits in Arizona
90 private foundations reported 170 stem grants to organizations in Arizona on IRS 990-PF returns for tax year 2022 or later, $12.1M in all. 38 of them are based in Arizona.
Foundations that fund stem in Arizona
20 of the 90: profiles in our foundation directory first, then by the number of stem grants to Arizona organizations on their latest return. Each shows its largest such grants.
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Amazonsmile Foundation
Seattle, WA · latest return: tax year 2023- Alcor Life Extension Foundation, Scottsdale - General support$1,244
- Heatsync Labs, Mesa - General support$704
- Lowell Observatory, Flagstaff - General support$511
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Gave $14.2M in 2024
Toyota USA Foundation
Plano, TX · latest return: tax year 2024- Chandler Education Foundation, Chandler - Close the STEM gap for diverse students by removing barriers that prevent access to STEM. this includes…$698,293
- Tempe Impacts Education Foundation, Tempe - Close the STEM gap for diverse students by removing barriers that prevent access to STEM. this includes…$599,276
- Chandler Care Center, Chandler - Close the STEM gap for diverse students by removing barriers that prevent access to STEM. this includes…$111,700
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Gave $350M in 2024
The David and Lucile Packard Foundation
Los Altos, CA · latest return: tax year 2024- University of Arizona, Tucson - Fellowships for Science and Engineering$175,000
- CEDO Intercultural Center for the Study of Deserts and Oceans Inc, Tucson - Environment and Science$150,000
- University of Arizona, Tucson - Fellowships for Science and Engineering$87,500
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Gave $6.3B in 2024
Gates Foundation
Seattle, WA · latest return: tax year 2024- Arizona Board of Regents the University of Arizona, Tucson - Create novel technology platform capabilities$431,543
- Arizona Board of Regents the University of Arizona, Tucson - Create novel technology platform capabilities$381,561
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Gave $24.5M in 2024
Virginia G Piper Charitable Trust
Phoenix, AZ · latest return: tax year 2024- Desert Botanical Garden, Phoenix - Support completion of the Hazel Hare Center for Plant Science (Capital Campaign)$500,000
- IRise Foundation, Phoenix - A Trustee Advised grant for the First Lego League Robotics Regional at Chandler High on December 7, 2024…$2,000
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Gave $30.1M in 2024
James S Mcdonnell Foundation
St Louis, MO · latest return: tax year 2024- Arizona Board of Regents University of Arizona, Tucson - Teachers as thinkers: improving classroom communication in mathematics$318,097
- Arizona Board of Regents University of Arizona, Tucson - Teachers as thinkers: improving classroom communication in mathematics$131,472
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Gave $156.2M in 2024
Fidelity Foundation
Boston, MA · latest return: tax year 2024- Elevate Phoenix, Phoenix - Technology & equipment$230,000
- Arizona Community Foundation, Phoenix - Technology & equipment$215,000
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The Eric and Wendy Schmidt Fund for Strategic Innovation
Palo Alto, CA · latest return: tax year 2024- Lsst Inc, Tucson - Support for the lincc analysis framework: an open, scalable system for science with the lsst$365,762
- Lsst Inc, Tucson - Discovery alliance membership 2024$27,000
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Gave $22.7M in 2024
Nina Mason Pulliam Charitable Trust
Indianapolis, IN · latest return: tax year 2024- Desert Botanical Garden, Phoenix - Capital support for construction of the Hazel Hare Center for Plant Science to advance desert plant research,…$250,000
- Arizona Opportunities Industrialization Center, Phoenix - Continued support to help children in grades K through 8th receive language arts and STEM-based mentoring…$75,000
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Gave $8.5M in 2024
The Brinson Foundation
Chicago, IL · latest return: tax year 2024- Lsst Inc, Tucson - Data science fellowship program and pdta$102,700
- Research Corporation for Science Advancement, Tucson - Scialog: early science with the lsst$66,000
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Gave $134.4M in 2024
John Templeton Foundation
West Conshohocken, PA · latest return: tax year 2024- Lsst Inc, Tucson - Establishing a templeton lsst early-career research fellowship$1,054,740
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The Heising-Simons Foundation
Los Altos, CA · latest return: tax year 2024- Arizona Board of Regents University of Arizona, Tucson - For the development of skipper technology$370,497
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The Argosy Foundation
Milwaukee, WI · latest return: tax year 2024- Azfirst, Chandler - STEM project$30,000
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Carroll Petrie Foundation
Santa Fe, NM · latest return: tax year 2024- Malpai Borderlands Group, Douglas - Supporting new mexico wildlife & science conference$25,000
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Garcia Family Foundation Inc
Tempe, AZ · latest return: tax year 2023- Maricopa Community Colleges Foundation, Tempe - Donation Scholarship for students in the Automated Industrial Technology Program$15,000
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Gave $8.9M in 2024
Dr Scholl Foundation
Northbrook, IL · latest return: tax year 2024- Lowell Observatory, Flagstaff - Astronomy-themed learning opportunities$5,000
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Edward Jones Foundation
St Louis, MO · latest return: tax year 2024- Archaeology Southwest, Tucson - Social science research institutes, services$250
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Gave $22.6M in 2024
Texas Instruments Foundation
Dallas, TX · latest return: tax year 2024- Lowell Observatory, Flagstaff - Donations to colleges, universities and other organizations under "matching gifts program."$200
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APS Foundation Inc
Phoenix, AZ · latest return: tax year 2025- ASU Foundation for a New American University, Tempe - Immersive Robotics for All (IR4All): Accessible Student and Teacher Training$88,883
- ASU Foundation For A New American University, Tempe - Joaquin Bustoz Math-Science Honors Program (JBMSHP) at Arizona State University$71,500
- Camp Catanese Foundation, Phoenix - Engineering Pathway Program$50,000
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The Foundation for Community and Health Advancement
Phoenix, AZ · latest return: tax year 2025- United Phoenix Fire Fighters Association Inc, Phoenix - Donation to upffa for heat relief (coding change)$75,000
- Valley of the Sun United Way, Phoenix - Sponsorship of heat relief kits and first aid kits (coding change)$55,000
- Southwest Autism Research, Phoenix - Swirl, sip & savor 2025 sponsorship (coding change)$15,000
Search more stem funders giving in Arizona →
Organizations several of these foundations fund
Arizona organizations that received stem grants from two or more of the foundations above, on the same returns.
| Organization | Funders | Grants total |
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| Lowell Observatory Flagstaff | 4 | $31,553 |
| Lsst Inc Tucson | 3 | $1,550,202 |
| Arizona Board of Regents University of Arizona Tucson | 2 | $820,066 |
| Desert Botanical Garden Phoenix | 2 | $750,000 |
How to use this list
A foundation is listed because its own latest tax return itemizes grants to organizations in Arizona that we classify as stem, by the purpose the foundation wrote or by the recipient's IRS activity code. Their typical grant is the middle of the funders' own typical grants across everything they fund. Start with funders whose typical grant is close to what you need and whose past recipients look like your organization, then open the profile for all of its grants and any application instructions.
Of these 90 foundations, 36 describe how to apply on their latest return; many others give only to organizations they already know. A badge such as Gave $1.2M in 2024 repeats what the latest return reports; it does not mean the foundation is accepting proposals now.
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.