Stiefel Freethought Foundation | Foundation Profile
GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like Stiefel Freethought Foundation. Data shown is extracted from Form 990-PF filings.
EIN: 27-0858715
Foundation Overview
Based in Wilmington, DE, Stiefel Freethought Foundation has awarded 268 grants totaling $4,979,250 to organizations in District of Columbia, New Jersey and 19 other states across the US. Individual grants range from $1,000 to $1,000,000, with a median award of $1,000.
Latest Tax Year
2025
Total Giving (all years)
$4,979,250
Total Assets
$2,012,410
Median Grant (all grants)
$1,000
Latest Form 990-PF Snapshot
Total Grants
21
Median Grant
$1,000
% No Significant Change
0%
(vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year:
May 2026
Foundation Intelligence
Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies
New Applicant Friendliness
Relationship-Focused: 24%
5 of 21 recipients (24%) were new grantees. Foundation strongly favors organizations with proven track records. New partnerships develop slowly over time.
Geographic Focus
District of Columbia
Grants are geographically diversified with 24% in District of Columbia and funding distributed across 21 total locations. This foundation values broad geographic impact and diverse community partnerships. Within District of Columbia, funding concentrates in Washington (100%).
Funding Trajectory
-24%
Declining funding trend with 24% decrease over 9 years may indicate reduced grant opportunities or shifting foundation priorities. This trajectory suggests more competitive application environment.
Program Areas
General Purposes + 3 others
Diversified giving across multiple program areas with primary emphasis on general purposes (75%). This broad approach suggests openness to various causes and innovative cross-sector solutions.
Where is The Money Going?
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Grants & Funding
Analyzing past grantees provides valuable insights into Stiefel Freethought Foundation's funding preferences, organizational priorities, and grant making patterns. This historical data helps potential applicants understand the foundation's strategic focus and identify successful funding approaches.
| Name | Amount | Location | Purpose | Year |
|---|---|---|---|---|
| American Assoc For The Advancement Of Science | $1,000 | Washington, DC, US | General & Unrestricted | 2025 |
| American Atheists Inc | $1,000 | Cranford, NJ, US | General & Unrestricted | 2025 |
| American Civil Liberties Union Foundation Inc | $1,000 | New York, NY, US | Program On Freedom Of Religion And Belief | 2025 |
| American Values Project | $10,000 | Sacramento, CA, US | General & Unrestricted | 2025 |
| Americans United For Separation Of Church & State | $5,000 | Washington, DC, US | General & Unrestricted | 2025 |
| Atheists United | $20,000 | Los Angeles, CA, US | To Support The Freethought Fellowship Foundation | 2025 |
| Black Nonbelievers | $1,000 | Atlanta, GA, US | General & Unrestricted | 2025 |
| Camp Quest Inc | $1,000 | Pickens, SC, US | General & Unrestricted | 2025 |
| Center For Inquiry Inc | $20,250 | Amherst, NY, US | General & Unrestricted | 2025 |
| Common Cause Education Fund | $1,000 | Raleigh, NC, US | General & Unrestricted | 2025 |
| Common Cause Education Fund | $1,000 | Washington, DC, US | General & Unrestricted | 2025 |
| Disarming Leviathan Ministries Inc | $35,000 | Phoenix, AZ, US | General & Unrestricted | 2025 |
| Fiscal Sponsorship Allies Inc | $100,000 | Indianapolis, IN, US | To Support The Get Real News Llc | 2025 |
| Freedom From Religion Foundation Inc | $1,000 | Madison, WI, US | General & Unrestricted | 2025 |
| Military Religious Freedom Foundation Inc | $1,000 | Albuquerque, NM, US | General & Unrestricted | 2025 |
| People For The American Way Foundation | $50,000 | Washington, DC, US | General & Unrestricted | 2025 |
| Public Concern Foundation Inc | $60,000 | New York, NY, US | General & Unrestricted | 2025 |
| Public Religion Research Institute | $1,000 | Washington, DC, US | General & Unrestricted | 2025 |
| Religion News Llc | $100,000 | Columbia, MO, US | General & Unrestricted | 2025 |
| Secular Student Alliance | $1,000 | Los Angeles, CA, US | General & Unrestricted | 2025 |
| Triangle Freethought Society | $1,000 | Durham, NC, US | General & Unrestricted | 2025 |
| American Atheists Inc | $1,000 | Cranford, NJ, US | General & Unrestricted | 2023 |
| American Civil Liberties Union Foundation Inc | $1,000 | New York, NY, US | Aclu Program On Freedom Of Religion And Belief | 2023 |
| American Values Project | $1,000 | Sacramento, CA, US | General & Unrestricted | 2023 |
| Americans United For Separation Of Church And Stat | $30,000 | Washington, DC, US | General & Unrestricted | 2023 |
| Black Nonbelievers | $1,000 | Fayetteville, GA, US | General & Unrestricted | 2023 |
| Camp Quest Inc | $1,000 | Staunton, VA, US | General & Unrestricted | 2023 |
| Center For Inquiry Inc | $20,000 | Amherst, NY, US | General & Unrestricted | 2023 |
| Common Cause Education Fund | $1,000 | Washington, DC, US | General & Unrestricted | 2023 |
| Common Cause Education Fund | $1,000 | Raleigh, NC, US | General & Unrestricted | 2023 |
| Disarming Leviathan Ministries Inc | $20,000 | Phoenix, AZ, US | General & Unrestricted | 2023 |
| Ex-muslims Of North America | $1,000 | Falls Church, VA, US | General & Unrestricted | 2023 |
| Freedom From Religion Foundation Inc | $1,000 | Madison, WI, US | General & Unrestricted | 2023 |
| Military Association Of Atheists & Freethinkers | $1,000 | Washington, DC, US | General & Unrestricted | 2023 |
| Military Religious Freedom Foundation Inc | $1,000 | Albuquerque, NM, US | General & Unrestricted | 2023 |
| People For The American Way Foundation | $1,000 | Washington, DC, US | General & Unrestricted | 2023 |
| Public Religion Research Institute | $1,000 | Washington, DC, US | General & Unrestricted | 2023 |
| Religion News Foundation | $100,000 | Columbia, MO, US | General & Unrestricted | 2023 |
| Secular Student Alliance | $1,000 | Los Angeles, CA, US | General & Unrestricted | 2023 |
| Thomas Paine Memorial Association Inc | $100,000 | Madison, WI, US | General & Unrestricted | 2023 |
| American Association For The Advancement Of Scienc | $1,000 | Washington, DC, US | General & Unrestricted | 2022 |
| American Atheists Inc | $1,000 | Cranford, NJ, US | General & Unrestricted | 2022 |
| American Civil Liberties Union Foundation Inc | $1,000 | New York, NY, US | Aclu Program On Freedom Of Religion And Belief | 2022 |
| American Geophysical Union | $1,000 | Washington, DC, US | General & Unrestricted | 2022 |
| American Values Project | $100,000 | Sacramento, CA, US | General & Unrestricted | 2022 |
| Americans United For Separation Of Church And Stat | $100,000 | Washington, DC, US | General & Unrestricted | 2022 |
| Black Nonbelievers | $1,000 | Fayetteville, GA, US | General & Unrestricted | 2022 |
| Camp Quest Inc | $1,000 | Staunton, VA, US | General & Unrestricted | 2022 |
| Campaign To End Religious Abuse Of Children | $1,000 | Cranford, NJ, US | General & Unrestricted | 2022 |
| Center For Inquiry Inc | $70,000 | Amherst, NY, US | Sciencesaves | 2022 |
| Common Cause Education Fund | $1,000 | Washington, DC, US | General & Unrestricted | 2022 |
| Common Cause Education Fund - North Carolina | $100,000 | Raleigh, NC, US | General & Unrestricted | 2022 |
| Ex-muslims Of North America | $1,000 | Falls Church, VA, US | General & Unrestricted | 2022 |
| Foundation Beyond Belief Inc | $1,000 | Houston, TX, US | General & Unrestricted | 2022 |
| Freedom From Religion Foundation Inc | $1,000 | Madison, WI, US | General & Unrestricted | 2022 |
| Military Association Of Atheists & Freethinkers | $1,000 | Washington, DC, US | General & Unrestricted | 2022 |
| Military Religious Freedom Foundation Inc | $1,000 | Albuquerque, NM, US | General & Unrestricted | 2022 |
| National Science Teaching Association | $1,000 | Arlington, VA, US | General & Unrestricted | 2022 |
| People For The American Way Foundation | $1,000 | Washington, DC, US | General & Unrestricted | 2022 |
| Public Religion Research Institute | $100,000 | Washington, DC, US | General & Unrestricted | 2022 |
| Religion News Foundation | $100,000 | Columbia, MO, US | To Fund Reporting On The Dangers Of White Christian Nationalism In America | 2022 |
| Represent Us Education Fund | $1,000 | Florence, MA, US | General & Unrestricted | 2022 |
| Secular Student Alliance | $25,000 | Los Angeles, CA, US | General & Unrestricted | 2022 |
| The National Center For Science Education Inc | $1,000 | Oakland, CA, US | General & Unrestricted | 2022 |
| The Planetary Society | $1,000 | Pasadena, CA, US | General & Unrestricted | 2022 |
| Thomas Paine Memorial Association Inc | $5,000 | Madison, WI, US | General & Unrestricted | 2022 |
| Thomas Paine National Historical Association | $3,000 | New Rochelle, NY, US | General & Unrestricted | 2022 |
| Triangle Freethought Society | $1,000 | Durham, NC, US | General & Unrestricted | 2022 |
| Union Of Concerned Scientists Inc | $1,000 | Cambridge, MA, US | General & Unrestricted | 2022 |
| American Association For The Advancement Of Scienc | $1,000 | Washington, DC, US | General & Unrestricted | 2022 |
| American Atheists Inc | $1,000 | Cranford, NJ, US | General & Unrestricted | 2022 |
| American Civil Liberties Union Foundation Inc | $1,000 | New York, NY, US | Aclu Program On Freedom Of Religion And Belief | 2022 |
| American Geophysical Union | $1,000 | Washington, DC, US | General & Unrestricted | 2022 |
| American Values Project | $100,000 | Sacramento, CA, US | General & Unrestricted | 2022 |
| Americans United For Separation Of Church And Stat | $100,000 | Washington, DC, US | General & Unrestricted | 2022 |
| Black Nonbelievers | $1,000 | Fayetteville, GA, US | General & Unrestricted | 2022 |
| Camp Quest Inc | $1,000 | Staunton, VA, US | General & Unrestricted | 2022 |
| Campaign To End Religious Abuse Of Children | $1,000 | Cranford, NJ, US | General & Unrestricted | 2022 |
| Center For Inquiry Inc | $70,000 | Amherst, NY, US | Sciencesaves | 2022 |
| Common Cause Education Fund | $1,000 | Washington, DC, US | General & Unrestricted | 2022 |
| Common Cause Education Fund - North Carolina | $100,000 | Raleigh, NC, US | General & Unrestricted | 2022 |
| Ex-muslims Of North America | $1,000 | Falls Church, VA, US | General & Unrestricted | 2022 |
| Foundation Beyond Belief Inc | $1,000 | Houston, TX, US | General & Unrestricted | 2022 |
| Freedom From Religion Foundation Inc | $1,000 | Madison, WI, US | General & Unrestricted | 2022 |
| Military Association Of Atheists & Freethinkers | $1,000 | Washington, DC, US | General & Unrestricted | 2022 |
| Military Religious Freedom Foundation Inc | $1,000 | Albuquerque, NM, US | General & Unrestricted | 2022 |
| National Science Teaching Association | $1,000 | Arlington, VA, US | General & Unrestricted | 2022 |
| People For The American Way Foundation | $1,000 | Washington, DC, US | General & Unrestricted | 2022 |
| Public Religion Research Institute | $100,000 | Washington, DC, US | General & Unrestricted | 2022 |
| Religion News Foundation | $100,000 | Columbia, MO, US | To Fund Reporting On The Dangers Of White Christian Nationalism In America | 2022 |
| Represent Us Education Fund | $1,000 | Florence, MA, US | General & Unrestricted | 2022 |
| Secular Student Alliance | $25,000 | Los Angeles, CA, US | General & Unrestricted | 2022 |
| The National Center For Science Education Inc | $1,000 | Oakland, CA, US | General & Unrestricted | 2022 |
| The Planetary Society | $1,000 | Pasadena, CA, US | General & Unrestricted | 2022 |
| Thomas Paine Memorial Association Inc | $5,000 | Madison, WI, US | General & Unrestricted | 2022 |
| Thomas Paine National Historical Association | $3,000 | New Rochelle, NY, US | General & Unrestricted | 2022 |
| Triangle Freethought Society | $1,000 | Durham, NC, US | General & Unrestricted | 2022 |
| Union Of Concerned Scientists Inc | $1,000 | Cambridge, MA, US | General & Unrestricted | 2022 |
| American Association For The Advancement Of Scienc | $1,000 | Washington, DC, US | General & Unrestricted | 2022 |
| American Atheists Inc | $1,000 | Cranford, NJ, US | General & Unrestricted | 2022 |
| American Civil Liberties Union Foundation Inc | $1,000 | New York, NY, US | Aclu Program On Freedom Of Religion And Belief | 2022 |
| American Geophysical Union | $1,000 | Washington, DC, US | General & Unrestricted | 2022 |
| American Values Project | $100,000 | Sacramento, CA, US | General & Unrestricted | 2022 |
| Americans United For Separation Of Church And Stat | $100,000 | Washington, DC, US | General & Unrestricted | 2022 |
| Black Nonbelievers | $1,000 | Fayetteville, GA, US | General & Unrestricted | 2022 |
| Camp Quest Inc | $1,000 | Staunton, VA, US | General & Unrestricted | 2022 |
| Campaign To End Religious Abuse Of Children | $1,000 | Cranford, NJ, US | General & Unrestricted | 2022 |
| Center For Inquiry Inc | $70,000 | Amherst, NY, US | Sciencesaves | 2022 |
| Common Cause Education Fund | $1,000 | Washington, DC, US | General & Unrestricted | 2022 |
| Common Cause Education Fund - North Carolina | $100,000 | Raleigh, NC, US | General & Unrestricted | 2022 |
| Ex-muslims Of North America | $1,000 | Falls Church, VA, US | General & Unrestricted | 2022 |
| Foundation Beyond Belief Inc | $1,000 | Houston, TX, US | General & Unrestricted | 2022 |
| Freedom From Religion Foundation Inc | $1,000 | Madison, WI, US | General & Unrestricted | 2022 |
| Military Association Of Atheists & Freethinkers | $1,000 | Washington, DC, US | General & Unrestricted | 2022 |
| Military Religious Freedom Foundation Inc | $1,000 | Albuquerque, NM, US | General & Unrestricted | 2022 |
| National Science Teaching Association | $1,000 | Arlington, VA, US | General & Unrestricted | 2022 |
| People For The American Way Foundation | $1,000 | Washington, DC, US | General & Unrestricted | 2022 |
| Public Religion Research Institute | $100,000 | Washington, DC, US | General & Unrestricted | 2022 |
| Religion News Foundation | $100,000 | Columbia, MO, US | To Fund Reporting On The Dangers Of White Christian Nationalism In America | 2022 |
| Represent Us Education Fund | $1,000 | Florence, MA, US | General & Unrestricted | 2022 |
| Secular Student Alliance | $25,000 | Los Angeles, CA, US | General & Unrestricted | 2022 |
| The National Center For Science Education Inc | $1,000 | Oakland, CA, US | General & Unrestricted | 2022 |
| The Planetary Society | $1,000 | Pasadena, CA, US | General & Unrestricted | 2022 |
| Thomas Paine Memorial Association Inc | $5,000 | Madison, WI, US | General & Unrestricted | 2022 |
| Thomas Paine National Historical Association | $3,000 | New Rochelle, NY, US | General & Unrestricted | 2022 |
| Triangle Freethought Society | $1,000 | Durham, NC, US | General & Unrestricted | 2022 |
| Union Of Concerned Scientists Inc | $1,000 | Cambridge, MA, US | General & Unrestricted | 2022 |
| American Association For The Advancement Of Scienc | $1,000 | Washington, DC, US | General & Unrestricted | 2021 |
| American Atheists Inc | $1,000 | Cranford, NJ, US | General & Unrestricted | 2021 |
| American Civil Liberties Union Foundation Inc | $1,000 | New York, NY, US | Program On Freedom Of Religion And Belief | 2021 |
| American Civil Liberties Union Of North Carolina L | $1,000 | Raleigh, NC, US | Voting Rights And Anti-gerrymandering Work | 2021 |
| American Geophysical Union | $1,000 | Washington, DC, US | General & Unrestricted | 2021 |
| Americans United For Separation Of Church And Stat | $100,000 | Washington, DC, US | General & Unrestricted | 2021 |
| Black Nonbelievers | $1,000 | Fayetteville, GA, US | General & Unrestricted | 2021 |
| Camp Quest Inc | $1,000 | Staunton, VA, US | General & Unrestricted | 2021 |
| Center For Inquiry Inc | $250,000 | Amherst, NY, US | General & Unrestricted | 2021 |
| Child-friendly Faith Project | $1,000 | Altamonte Springs, FL, US | General & Unrestricted | 2021 |
| Common Cause Education Fund | $1,000 | Washington, DC, US | General & Unrestricted | 2021 |
| Common Cause Education Fund - North Carolina | $50,000 | Raleigh, NC, US | Fair Redistricting Pr And Marketing | 2021 |
| Common Cause Education Fund - North Carolina | $50,000 | Raleigh, NC, US | General & Unrestricted | 2021 |
| Emergency Medicine Foundation | $100,000 | Dallas, TX, US | Public Relations To Provide Information On Vaccinations As A Critical Way Of Avoiding Being Hospitalized With Covid | 2021 |
| Ex-muslims Of North America | $1,000 | Falls Church, VA, US | General & Unrestricted | 2021 |
| Foundation Beyond Belief Inc | $1,000 | Houston, TX, US | General & Unrestricted | 2021 |
| Freedom From Religion Foundation Inc | $1,000 | Madison, WI, US | General & Unrestricted | 2021 |
| Military Association Of Atheists & Freethinkers | $1,000 | Washington, DC, US | General & Unrestricted | 2021 |
| Military Religious Freedom Foundation Inc | $1,000 | Albuquerque, NM, US | General & Unrestricted | 2021 |
| National Science Teaching Association | $1,000 | Arlington, VA, US | General & Unrestricted | 2021 |
| Panorama Global | $10,000 | Seattle, WA, US | General & Unrestricted | 2021 |
| People For The American Way Foundation | $1,000 | Washington, DC, US | General & Unrestricted | 2021 |
| Represent Us Education Fund | $1,000 | Florence, MA, US | General & Unrestricted | 2021 |
| Secular Coalition For America Education Fund | $1,000 | Washington, DC, US | General & Unrestricted | 2021 |
| Secular Student Alliance | $1,000 | Los Angeles, CA, US | General & Unrestricted | 2021 |
| The National Center For Science Education Inc | $1,000 | Oakland, CA, US | General & Unrestricted | 2021 |
| The Planetary Society | $1,000 | Pasadena, CA, US | General & Unrestricted | 2021 |
| Triangle Freethought Society | $1,000 | Durham, NC, US | General & Unrestricted | 2021 |
| Union Of Concerned Scientists Inc | $1,000 | Cambridge, MA, US | General & Unrestricted | 2021 |
| World Mental Health Coalition | $100,000 | Wilmington, DE, US | General & Unrestricted | 2021 |
| American Association For The Advancement Of Scienc | $1,000 | Washington, DC, US | General & Unrestricted | 2020 |
| American Atheists Inc | $1,000 | Cranford, NJ, US | General & Unrestricted | 2020 |
| American Civil Liberties Union Foundation Inc | $1,000 | New York, NY, US | General & Unrestricted | 2020 |
| American Civil Liberties Union Of North Carolina L | $1,000 | Raleigh, NC, US | General & Unrestricted | 2020 |
| American Geophysical Union | $1,000 | Washington, DC, US | General & Unrestricted | 2020 |
| American Humanist Association | $5,000 | Washington, DC, US | General & Unrestricted | 2020 |
| Americans United For Separation Of Church & State | $5,000 | Washington, DC, US | General & Unrestricted | 2020 |
| Black Nonbelievers | $25,000 | Fayetteville, GA, US | General & Unrestricted | 2020 |
| Camp Quest Inc | $1,000 | Staunton, VA, US | General & Unrestricted | 2020 |
| Center For Applied Rationality | $1,000 | Berkeley, CA, US | General & Unrestricted | 2020 |
| Center For Inquiry Inc | $1,000,000 | Amherst, NY, US | General & Unrestricted | 2020 |
| Child-friendly Faith Project | $1,000 | Altamonte Springs, FL, US | General & Unrestricted | 2020 |
| Common Cause Education Fund | $1,000 | Washington, DC, US | General & Unrestricted | 2020 |
| Common Cause Education Fund | $1,000 | Raleigh, NC, US | General & Unrestricted | 2020 |
| Ex-muslims Of North America | $1,000 | Falls Church, VA, US | General & Unrestricted | 2020 |
| Foundation Beyond Belief Inc | $1,000 | Barker, TX, US | General & Unrestricted | 2020 |
| Freedom From Religion Foundation Inc | $1,000 | Madison, WI, US | General & Unrestricted | 2020 |
| Harry Bridges Project | $5,000 | Los Angeles, CA, US | General & Unrestricted | 2020 |
| Hispanic American Freethinkers Inc | $1,000 | Reston, VA, US | General & Unrestricted | 2020 |
| Military Association Of Atheists & Freethinkers | $1,000 | Washington, DC, US | General & Unrestricted | 2020 |
| Military Religious Freedom Foundation Inc | $1,000 | Albuquerque, NM, US | General & Unrestricted | 2020 |
| National Science Teaching Association | $1,000 | Arlington, VA, US | General & Unrestricted | 2020 |
| North Carolinians For Redistricting Reform | $1,000 | Raleigh, NC, US | General & Unrestricted | 2020 |
| People For The American Way Foundation | $1,000 | Washington, DC, US | General & Unrestricted | 2020 |
| Represent Us Education Fund | $1,000 | Florence, MA, US | General & Unrestricted | 2020 |
| Secular Student Alliance | $1,000 | Los Angeles, CA, US | General & Unrestricted | 2020 |
| The National Center For Science Education Inc | $1,000 | Oakland, CA, US | General & Unrestricted | 2020 |
| Triangle Freethought Society | $1,000 | Durham, NC, US | General & Unrestricted | 2020 |
| Union Of Concerned Scientists Inc | $1,000 | Cambridge, MA, US | General & Unrestricted | 2020 |
| American Association For The Advancement Of Scienc | $1,000 | Washington, DC, US | General & Unrestricted | 2018 |
| American Atheists Inc | $1,000 | Cranford, NJ, US | General & Unrestricted | 2018 |
| American Civil Liberties Union Foundation Inc | $1,000 | New York, NY, US | Freedom Of Religion And Belief Program | 2018 |
| American Civil Liberties Union Of North Carolina L | $1,000 | Raleigh, NC, US | General & Unrestricted | 2018 |
| American Humanist Association | $25,000 | Washington, DC, US | General & Unrestricted | 2018 |
| Americans United For Separation Of Church And Stat | $5,000 | Washington, DC, US | General & Unrestricted | 2018 |
| Black Nonbelievers | $1,000 | Fayetteville, GA, US | General & Unrestricted | 2018 |
| Camp Quest Inc | $1,000 | Columbus, OH, US | General & Unrestricted | 2018 |
| Center For Applied Rationality | $1,000 | Berkeley, CA, US | General & Unrestricted | 2018 |
| Center For Inquiry Inc | $5,000 | Amherst, NY, US | General & Unrestricted | 2018 |
| Common Cause Education Fund | $1,000 | Washington, DC, US | General & Unrestricted | 2018 |
| Ex-muslims Of North America | $1,000 | Falls Church, VA, US | General & Unrestricted | 2018 |
| Foundation Beyond Belief Inc | $1,000 | Barker, TX, US | General & Unrestricted | 2018 |
| Freedom From Religion Foundation Inc | $1,000 | Madison, WI, US | General & Unrestricted | 2018 |
| Future Of Life Institute | $1,000 | Winchester, MA, US | General & Unrestricted | 2018 |
| Hispanic American Freethinkers Inc | $1,000 | Reston, VA, US | General & Unrestricted | 2018 |
| Institute For Science And Human Values Inc | $1,000 | Seminole, FL, US | General & Unrestricted | 2018 |
| Military Association Of Atheists & Freethinkers | $1,000 | Washington, DC, US | General & Unrestricted | 2018 |
| Military Religious Freedom Foundation Inc | $1,000 | Albuquerque, NM, US | General & Unrestricted | 2018 |
| People For The American Way Foundation | $1,000 | Washington, DC, US | General & Unrestricted | 2018 |
| Secular Student Alliance | $1,000 | Columbus, OH, US | General & Unrestricted | 2018 |
| The National Center For Science Education Inc | $1,000 | Oakland, CA, US | General & Unrestricted | 2018 |
| Triangle Freethought Society | $3,000 | Cary, NC, US | General & Unrestricted | 2018 |
| Union Of Concerned Scientists Inc | $1,000 | Cambridge, MA, US | General & Unrestricted | 2018 |
| American Association For The Advancement Of Scienc | $1,000 | Washington, DC, US | General & Unrestricted | 2017 |
| American Atheists Inc | $1,000 | Cranford, NJ, US | General & Unrestricted | 2017 |
| American Civil Liberties Union Foundation Inc | $1,000 | New York, NY, US | Freedom Of Religion And Belief Program | 2017 |
| American Civil Liberties Union Of North Carolina L | $5,000 | Raleigh, NC, US | General & Unrestricted | 2017 |
| American Humanist Association | $1,000 | Washington, DC, US | General & Unrestricted | 2017 |
| Americans United For Separation Of Church And Stat | $5,000 | Washington, DC, US | General & Unrestricted | 2017 |
| Black Nonbelievers | $1,000 | Atlanta, GA, US | General & Unrestricted | 2017 |
| Camp Quest Inc | $1,000 | Columbus, OH, US | General & Unrestricted | 2017 |
| Center For Applied Rationality | $1,000 | Berkeley, CA, US | General & Unrestricted | 2017 |
| Center For Inquiry Inc | $5,000 | Amherst, NY, US | General & Unrestricted | 2017 |
| Duke University | $10,000 | Durham, NC, US | Center For Jewish Studies Program | 2017 |
| Ex-muslims Of North America | $10,000 | Falls Church, VA, US | General & Unrestricted | 2017 |
| Foundation Beyond Belief Inc | $1,000 | Barker, TX, US | General & Unrestricted | 2017 |
| Freedom From Religion Foundation Inc | $1,000 | Madison, WI, US | General & Unrestricted | 2017 |
| Future Of Life Institute | $1,000 | Winchester, MA, US | General & Unrestricted | 2017 |
| Hispanic American Freethinkers Inc | $1,000 | Reston, VA, US | General & Unrestricted | 2017 |
| Military Association Of Atheists & Freethinkers | $1,000 | Washington, DC, US | General & Unrestricted | 2017 |
| Military Religious Freedom Foundation Inc | $1,000 | Albuquerque, NM, US | General & Unrestricted | 2017 |
| People For The American Way Foundation | $1,000 | Washington, DC, US | General & Unrestricted | 2017 |
| Secular Coalition For America Education Fund | $10,000 | Washington, DC, US | General & Unrestricted | 2017 |
| Secular Student Alliance | $1,000 | Columbus, OH, US | General & Unrestricted | 2017 |
| The National Center For Science Education Inc | $1,000 | Oakland, CA, US | General & Unrestricted | 2017 |
| Triangle Freethought Society | $1,000 | Cary, NC, US | General & Unrestricted | 2017 |
| Union Of Concerned Scientists Inc | $1,000 | Cambridge, MA, US | General & Unrestricted | 2017 |
| American Atheists Inc | $5,000 | Cranford, NJ, US | General & Unrestricted | 2016 |
| American Civil Liberties Union Foundation Inc | $1,000 | New York, NY, US | General & Unrestricted | 2016 |
| American Civil Liberties Union Of Nc Legal Fdn Inc | $5,000 | Raleigh, NC, US | General & Unrestricted | 2016 |
| American Ethical Union Inc | $1,000 | New York, NY, US | General & Unrestricted | 2016 |
| American Humanist Association | $5,000 | Washington, DC, US | General & Unrestricted | 2016 |
| Americans United For Separation Of Church & State | $5,000 | Washington, DC, US | General & Unrestricted | 2016 |
| Atheist Alliance International | $1,000 | Washington, DC, US | General & Unrestricted | 2016 |
| Atheist Alliance Of America | $1,000 | N Chesterfld, VA, US | General & Unrestricted | 2016 |
| Black Nonbelievers | $5,000 | Morrow, GA, US | General & Unrestricted | 2016 |
| Camp Quest Inc | $10,000 | Columbus, OH, US | General & Unrestricted | 2016 |
| Center For Applied Rationality | $1,000 | Berkeley, CA, US | General & Unrestricted | 2016 |
| Center For Inquiry Inc | $100,000 | Amherst, NY, US | General & Unrestricted | 2016 |
| Ex-muslims Of North America | $1,000 | Falls Church, VA, US | General & Unrestricted | 2016 |
| Foundation Beyond Belief Inc | $2,000 | Barker, TX, US | General & Unrestricted | 2016 |
| Freedom From Religion Foundation Inc | $10,000 | Madison, WI, US | General & Unrestricted | 2016 |
| Future Of Life Institute | $1,000 | Winchester, MA, US | General & Unrestricted | 2016 |
| Hispanic American Freethinkers Inc | $1,000 | Reston, VA, US | General & Unrestricted | 2016 |
| Institute For Humanist Studies Inc | $1,000 | Washington, DC, US | General & Unrestricted | 2016 |
| Interfaith Alliance Foundation | $1,000 | Washington, DC, US | General & Unrestricted | 2016 |
| Investigative Reporters And Editors Inc | $20,000 | Columbia, MO, US | Religion Newswriters | 2016 |
| Iola Foundation | $1,000 | Los Angeles, CA, US | General & Unrestricted | 2016 |
| Military Association Of Atheists & Freethinkers | $5,000 | Washington, DC, US | General & Unrestricted | 2016 |
| Military Religious Freedom Foundation Inc | $1,000 | Albuquerque, NM, US | General & Unrestricted | 2016 |
| National Center For Science Education Inc | $1,000 | Oakland, CA, US | General & Unrestricted | 2016 |
| People For The American Way Foundation | $1,000 | Washington, DC, US | General & Unrestricted | 2016 |
| Reason Rally Coalition | $150,000 | Cranford, NJ, US | General & Unrestricted | 2016 |
| Reason Rally Coalition | $100,000 | Cranford, NJ, US | Cash Flow And Center For Inquiry | 2016 |
| Recovering From Religion | $1,000 | Kansas City, NE, US | General & Unrestricted | 2016 |
| Secular Coalition For America Education Fund | $100,000 | Washington, DC, US | General & Unrestricted | 2016 |
| Secular Student Alliance | $5,000 | Columbus, OH, US | General & Unrestricted | 2016 |
| Society For Humanistic Judaism | $1,000 | Farmington Hills, MI, US | General & Unrestricted | 2016 |
| Sunday Assembly In America | $1,000 | La Mesa, CA, US | General & Unrestricted | 2016 |
| Triangle Freethought Society | $1,000 | Cary, NC, US | General & Unrestricted | 2016 |
| Tyler Clementi Foundation Inc | $1,000 | New York, NY, US | General & Unrestricted | 2016 |
Foundations Similar to Stiefel Freethought Foundation
Discover 5 foundations with comparable assets ($1,993,306-$2,014,667), similar grant patterns, and geographic focus in DE that may also align with your organization's funding needs and grant seeking strategy.
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Related Foundation Resources in DE:
Contact Information
Official contact details for Stiefel Freethought Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.
| EIN | 27-0858715 |
| Website | N/A |
| Address | FOUNDATION SOURCE 501 SILVERSIDE RD Wilmington, DE 19809-0000 |
Key People (1)
Board members, trustees, and key staff who oversee Stiefel Freethought Foundation's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.
| Pres, Dir, Sec | Todd Stiefel |
|---|
Forms 990-PF
IRS Form 990-PF filings provide comprehensive financial information, grant details, and operational data. These documents are essential resources for understanding foundation capacity, giving patterns, and strategic priorities.
Form 990-PF Research Tips
- Review Part XV for detailed grant recipient information and funding purposes
- Check Part I for total assets, annual giving amounts, and payout requirements
- Examine Part VIII for key personnel compensation and board structure
- Look for trends across multiple years to understand giving patterns
About This Foundation Profile
This comprehensive foundation profile for Stiefel Freethought Foundation is powered by Grant Bay's advanced foundation research platform. Our system analyzes IRS Form 990-PF filings, grant histories, and philanthropic patterns to provide nonprofit organizations with actionable intelligence for grant seeking success.
Data Sources & Accuracy
All information is derived from official IRS filings and public records. Grant Bay processes thousands of Form 990-PF documents to extract grant details, financial data, and organizational information. Data accuracy depends on foundation reporting quality and IRS filing completeness.
Research Applications
Use this profile for prospect research, grant strategy development, application preparation, and relationship building. Combine this data with additional research on foundation priorities, application processes, and board member backgrounds for comprehensive grant seeking strategies.
Data Currency: Last updated
May 2026
based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.