Funding search · EIN 260799587 · Los Altos, CA
The Heising-Simons Foundation
Foundation website ↗Full IRS filings ↗
- $442.6M
- in grants paid
- 2,038
- grants
- 596
- recipients
- 2022–2024
- filing years
Recent grants
The 100 largest recent grants from this foundation’s filings, newest year first.
- $3.6M
Environmental Defense Fund · San Francisco, CA · 2024
To advance climate and clean energy policies
- $3.3M
Natural Resources Defense Council · San Francisco, CA · 2024
To advance climate and clean energy policies
- $2.1M
Amalgamated Charitable Foundation · Washington, DC · 2024
For the democracy frontlines fund
- $2.0M
Global Impact · Alexandria, VA · 2024
For the emerging bilingual collaborative
- $1.9M
National Association for Family School and Community Engagement · Alexandria, VA · 2024
For the center for family math
- $1.5M
New Venture Fund · Washington, DC · 2024
For the emerging bilingual collaborative
- $1.5M
California Education Partners · San Francisco, CA · 2024
For the preschool to third grade coherence collaboration (p3cc)
- $1.3M
Arizona State University Foundation for a New American University · Tempe, AZ · 2024
For the children's equity project
- $1.2M
Climate and Clean Energy Equity Fund · Washington, DC · 2024
For general support
- $1.2M
Regents of the University of California at Berkeley · Berkeley, CA · 2024
For the center for the study of child care employment
- $1.1M
Tides Foundation · San Francisco, CA · 2024
For practitioners' voice ca 2.0
- $1.0M
Environmental Defense Fund · San Francisco, CA · 2024
To validate methanesat measurements
- $1.0M
Philanthropic Ventures Foundation · Oakland, CA · 2024
To support quality upk implementation in california
- $1.0M
International Council On Clean Transportation · Washington, DC · 2024
For general support
- $1.0M
Neo Philanthropy · New York, NY · 2024
For the four freedoms fund
- $1.0M
Powermylearning · New York, NY · 2024
For family playlists and organizational effectiveness support
- $1.0M
Third Sector New England · Boston, MA · 2024
For the raising child care fund
- $1.0M
Center for Community Change · Washington, DC · 2024
For general support
- $1.0M
Rocky Mountain Institute · Boulder, CO · 2024
To advance u.s. Power ($600,000) and transportation sector transformation ($400,000)
- $1.0M
Alliance for Early Success · Washington, DC · 2024
For general support
- $900,000
Advanced Energy Institute · Washington, DC · 2024
To reform wholesale power markets, expand transmission, engage in utility planning in key states ($800,000), and defend clean energy tax credits ($100,000).
- $850,000
Climate Power Education Fund · Washington, DC · 2024
For general support
- $817,770
Society for Research in Child Development · Washington, DC · 2024
For the srcd policy fellowship
- $780,000
Learning Policy Institute · Palo Alto, CA · 2024
For general support
- $775,000
The Board of Trustees of the Leland Stanford Junior University · Redwood City, CA · 2024
For the stanford center on early childhood
- $750,000
American Indian College Fund · Denver, CO · 2024
To strengthen indigenous early childhood pedagogy and workforce pathways at tribal colleges
- $750,000
United States Energy Foundation · San Francisco, CA · 2024
To advance clean vehicle standards and transportation electrification
- $750,000
English Learners Success Forum · Albuquerque, NM · 2024
For general support
- $750,000
Teachers College Columbia University · New York, NY · 2024
For ecpihe phase iii
- $749,335
Tntp · New York, NY · 2024
To prototype a pipeline for tk educators ready to serve multilingual learners
- $700,000
University of Washington · Seattle, WA · 2024
To continue implementing the district innovation and leadership for early education (dial ee)
- $700,000
Center for American Progress · Washington, DC · 2024
For the tackling climate and environmental injustice program
- $700,000
Edsource · Oakland, CA · 2024
For general support
- $700,000
Climateworks Foundation · San Francisco, CA · 2024
To advance climate finance
- $700,000
Gridlab · Berkeley, CA · 2024
For general support
- $626,580
Arizona Board of Regents University of Arizona · Tucson, AZ · 2024
To support the second development phase of magaox
- $625,000
Tides Center · San Francisco, CA · 2024
For the starfish institute's stem education work
- $611,983
James Bell Associates · Arlington, VA · 2024
For the national home visiting resource center
- $600,000
Windward Fund · Washington, DC · 2024
For the moving forward network
- $600,000
Oficina Legal Del Pueblo Unido · Austin, TX · 2024
For coalition work around operation lone star
- $600,000
Rutgers the State University of New Jersey · New Brunswick, NJ · 2024
For 2023 and 2024 state of preschool yearbook
- $600,000
Hopewell Fund · Washington, DC · 2024
For the pipeline education fund
- $600,000
Arizona Board of Regents University of Arizona · Tucson, AZ · 2024
For the nautilus space observatory
- $600,000
Community Initiatives · Oakland, CA · 2024
For the just solutions
- $600,000
Futuro Media Group · New York, NY · 2024
For general support
- $582,899
Regents of the University of California at Berkeley · Berkeley, CA · 2024
To test the quantum coherence of gravity
- $549,998
Regents of the University of California at San Diego · San Diego, CA · 2024
For the data reduction pipeline for the high-resolution infrared spectrograph for exoplanet characterization (hispec) instrument
- $525,000
Center for Applied Environmental Law & Policy · Boulder, CO · 2024
For general support
- $505,000
Union of Concerned Scientists · Cambridge, MA · 2024
To advance clean transportation and clean power
- $500,288
California Institute of Technology · Pasadena, CA · 2024
For the development of skipper technology
- $500,000
Georgetown University · Washington, DC · 2024
For the georgetown center on poverty and inequality
- $500,000
Community Partners · Los Angeles, CA · 2024
For parent voices ca
- $500,000
Partnership Project · Washington, DC · 2024
For the climate action campaign
- $500,000
Philanthropic Ventures Foundation · Oakland, CA · 2024
For capacity building support to education program grantees
- $500,000
Center for Law and Social Policy · Washington, DC · 2024
For general support
- $500,000
Parent Institute for Quality Education · National City, CA · 2024
For general support
- $500,000
Solar United Neighbors · Washington, DC · 2024
For general support
- $500,000
The Children'S Funding Project · Washington, DC · 2024
For funding the next generation
- $500,000
California Budget & Policy Center · Sacramento, CA · 2024
For general support
- $500,000
New York University · New York, NY · 2024
To advance climate and clean energy regulations
- $500,000
Houston in Action Network · Houston, TX · 2024
For houston in action's youth justice transformation work and latinx/aapi organizing cohorts
- $500,000
Regents of the University of California at Irvine · Irvine, CA · 2024
For community math
- $500,000
Las Cumbres Observatory Global Telescope Network · Goleta, CA · 2024
To provide community observing time access to the las cumbres observatory network
- $500,000
National Women'S Law Center · Washington, DC · 2024
For general support
- $495,000
The Regents of the University of California Los Angeles · Los Angeles, CA · 2024
To expand dreme teacher educator resources to support math in upk
- $489,968
Stand for Children Leadership Center · Portland, OR · 2024
For great first eight prek/tk
- $476,476
Regents of the University of Colorado · Boulder, CO · 2024
For studying how amo physics can inform the development of gravity theories
- $475,000
Education Development Center · Waltham, MA · 2024
For integration of math into community education programs
- $475,000
Northeastern University · Boston, MA · 2024
For the initiative for energy justice
- $475,000
Citizens Utility Board Consumer Education and Research Fund · Chicago, IL · 2024
For general support
- $450,000
Tides Center · San Francisco, CA · 2024
To seed a youth apprenticeship program starting in high schools in an effort to bring diverse youth into the ece workforce
- $432,931
California Institute of Technology · Pasadena, CA · 2024
For research on the observational signatures of quantum gravity
- $429,643
Formerly Incarcerated Convicted People and Families Movement · Windermere, FL · 2024
For general support
- $425,000
Ceres · Boston, MA · 2024
To advance transportation electrification and climate finance sector reform
- $425,000
National Association for Family Child Care Foundation · Washington, DC · 2024
For general support
- $400,000
Gente Organizada · Pomona, CA · 2024
For general support
- $400,000
United Way Santa Cruz County · Capitola, CA · 2024
For cradle to career santa cruz county
- $400,000
Ccf Community Initiatives Fund · Los Angeles, CA · 2024
For la partnership for early childhood investment
- $400,000
San Jose Grail Family Services · San Jose, CA · 2024
For general support
- $400,000
Children'S Network of Solano County · Fairfield, CA · 2024
For general support
- $400,000
Regents of the University of California Santa Cruz · Santa Cruz, CA · 2024
For journalism training for the science communication program
- $400,000
Community Asset Development Re-Defining Education · Los Angeles, CA · 2024
For general support
- $400,000
Family Resource Navigators · San Leandro, CA · 2024
For general support
- $400,000
La Luz Center · Sonoma, CA · 2024
For parents/padres lead
- $400,000
Blu Educational Foundation · San Bernardino, CA · 2024
For general support
- $400,000
Forth Mobility Fund · Portland, OR · 2024
To advance equitable transportation electrification policies
- $400,000
New Teacher Center · City of Industry, CA · 2024
For the redesign of instructional coaching models to center mlls
- $400,000
Natural Resources Defense Council · San Francisco, CA · 2024
For the sustainable ferc project
- $400,000
Momsrising Education Fund · Bellevue, WA · 2024
For general support
- $400,000
Building Decarbonization Coalition · North Petaluma, CA · 2024
For general support
- $400,000
President and Fellows of Harvard College · Cambridge, MA · 2024
To advance u.s. Climate policy
- $400,000
Environmental Defense Fund · San Francisco, CA · 2024
For general support
- $400,000
West Harlem Environmental Action · New York, NY · 2024
For general support
- $398,891
Cornell University · Ithaca, NY · 2024
To collect in-situ data at the greenland ice sheet margin during the winter season
- $387,252
American Physical Society · College Park, MD · 2024
For the aps gender inclusive physics community
- $377,966
California Institute of Technology · Pasadena, CA · 2024
For a molecular beam spin precession experiment searching for the cp-violating nuclear magnetic quadrupole moment (mqm)
- $375,000
New Venture Fund · Washington, DC · 2024
For early edge california
- $375,000
Proteus Fund · New York, NY · 2024
For embracerace
- $370,497
Arizona Board of Regents University of Arizona · Tucson, AZ · 2024
For the development of skipper technology
- $359,140
University of Chicago · Chicago, IL · 2024
For the development of skipper technology
Grants already paid are the record; PaperOrbit reads your paper and finds the foundations whose record matches it — then explains why.
Start with one paperSource: 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. Most private foundations do not accept unsolicited applications; the route in is usually a program officer.

