Sontag Foundation | Foundation Profile
GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like Sontag Foundation. Data shown is extracted from Form 990-PF filings.
EIN: 59-3634325
Foundation Overview
Based in Ponte Vedra Beach, FL, Sontag Foundation has awarded 163 grants totaling $22,499,641 to organizations in Illinois, Massachusetts and 15 other states, plus international recipients. Individual grants range from $250 to $3,000,000, with a median award of $112,500.
Latest Tax Year
2023
Total Giving (all years)
$22,499,641
Total Assets
$188,991,575
Median Grant (all grants)
$112,500
Latest Form 990-PF Snapshot
Total Grants
48
Median Grant
$45,000
% Median Grant Decline
-70%
(vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year:
February 2026
Foundation Intelligence
Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies
New Applicant Friendliness
Balanced Approach: 44%
21 of 48 recipients (44%) were new grantees. Foundation maintains loyal partnerships while remaining open to qualified new applicants with strong proposals.
Geographic Focus
Florida
Grants are geographically diversified with 19% in Florida and funding distributed across 20 total locations. This foundation values broad geographic impact and diverse community partnerships. Within Florida, funding concentrates in Jacksonville (58%), Ponte Vedra Beach (16%), Jacksonville Beach (6%).
Funding Trajectory
+180%
Strong 180% growth in annual giving over 6 years indicates expanding philanthropic capacity and increasing opportunities for grant seekers. This upward trajectory suggests growing foundation resources and commitment.
Program Areas
General Purposes
Highly focused on general purposes with 100% of funding dedicated to this sector. This specialization indicates deep expertise and committed investment in the field.
Where is The Money Going?
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Grants & Funding
Analyzing past grantees provides valuable insights into Sontag 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 |
|---|---|---|---|---|
| Beaches Emergency Assistance Ministry | $40,000 | Jacksonville Beach, FL, US | For The Exempt Purposes Of This Organization | 2023 |
| Brigham & Women's Hospital | $300,000 | Somerville, MA, US | For The Exempt Purposes Of This Organization | 2023 |
| Emory University | $212,500 | Atlanta, GA, US | For The Exempt Purposes Of This Organization | 2023 |
| New York University | $112,500 | New York, NY, US | For The Exempt Purposes Of This Organization | 2023 |
| Stanford University School Of Medicine | $112,500 | Stanford, CA, US | For The Exempt Purposes Of This Organization | 2023 |
| University Of Minnesota | $250,000 | Minneapolis, MN, US | For The Exempt Purposes Of This Organization | 2023 |
| Weill Cornell | $150,000 | New York, NY, US | For The Exempt Purposes Of This Organization | 2023 |
| Yale University | $150,000 | West Haven, CT, US | For The Exempt Purposes Of This Organization | 2023 |
| Boston Children's Hospital | $300,000 | Boston, MA, US | For The Exempt Purposes Of This Organization | 2023 |
| Brain Tumor Network | $1,500,000 | Ponte Vedra Beach, FL, US | For The Exempt Purposes Of This Organization | 2023 |
| National Brain Tumor Society | $33,334 | Newton, MA, US | For The Exempt Purposes Of This Organization | 2023 |
| University Of Texas Southwestern | $150,000 | Houston, TX, US | For The Exempt Purposes Of This Organization | 2023 |
| Regents Of Univ Of Ca-san Francisco | $250,000 | San Francisco, CA, US | For The Exempt Purposes Of This Organization | 2023 |
| University Of Florida Foundation Inc | $5,000 | Gainesville, FL, US | For The Exempt Purposes Of This Organization | 2023 |
| University Of Massachusetts Med School | $250,000 | Worcester, MA, US | For The Exempt Purposes Of This Organization | 2023 |
| Rice University | $150,000 | Houston, TX, US | For The Exempt Purposes Of This Organization | 2023 |
| University Of Pittsburgh | $150,000 | Pittsburgh, PA, US | For The Exempt Purposes Of This Organization | 2023 |
| American Association For Cancer Research | $35,000 | Philadelphia, PA, US | For The Exempt Purposes Of This Organization | 2023 |
| Baylor College Of Medicine | $137,500 | Houston, TX, US | For The Exempt Purposes Of This Organization | 2023 |
| Betty Griffin House | $10,000 | St Augustine, FL, US | For The Exempt Purposes Of This Organization | 2023 |
| Children's Hospital Of Pennsylvania | $37,500 | Philadelphia, PA, US | For The Exempt Purposes Of This Organization | 2023 |
| Community Hospice Of Ne Fl | $10,000 | Jacksonville, FL, US | For The Exempt Purposes Of This Organization | 2023 |
| Focused Ultrasound Foundation | $20,000 | Charlottesville, VA, US | For The Exempt Purposes Of This Organization | 2023 |
| Good Samaritan Health Clinics | $10,000 | New Port Richey, FL, US | For The Exempt Purposes Of This Organization | 2023 |
| Literacy Alliance Of Ne Fl Inc | $10,000 | Jacksonville, FL, US | For The Exempt Purposes Of This Organization | 2023 |
| Ludwig Instituteuniv Of California | $2,500 | La Jolla, CA, US | For The Exempt Purposes Of This Organization | 2023 |
| Malivai Washington Kids Foundation | $10,000 | Jacksonville, FL, US | For The Exempt Purposes Of This Organization | 2023 |
| Mission Brain Foundation | $25,000 | Sausalito, CA, US | For The Exempt Purposes Of This Organization | 2023 |
| N Fl School Of Spec Ed | $10,000 | Jacksonville, FL, US | For The Exempt Purposes Of This Organization | 2023 |
| Operation New Hope Inc | $10,000 | Jacksonville, FL, US | For The Exempt Purposes Of This Organization | 2023 |
| Pine Castle Inc | $10,000 | Jacksonville, FL, US | For The Exempt Purposes Of This Organization | 2023 |
| Seamark Ranch Inc | $10,000 | Green Cove Springs, FL, US | For The Exempt Purposes Of This Organization | 2023 |
| St Vincent's Foundation Inc | $10,000 | Jacksonville, FL, US | For The Exempt Purposes Of This Organization | 2023 |
| The Arc Jacksonville | $10,000 | Jacksonville, FL, US | For The Exempt Purposes Of This Organization | 2023 |
| The Divine Mercy House | $10,000 | Jacksonville, FL, US | For The Exempt Purposes Of This Organization | 2023 |
| The Regents Of University Of California | $150,000 | Oakland, CA, US | For The Exempt Purposes Of This Organization | 2023 |
| Vision Is Priceless | $10,000 | Jacksonville, FL, US | For The Exempt Purposes Of This Organization | 2023 |
| Pacific Neuroscience Institute Foundation | $100,000 | Santa Monica, CA, US | For The Exempt Purposes Of This Organization | 2023 |
| Dana Farber Cancer Institute Inc | $92,849 | Boston, MA, US | For The Exempt Purposes Of This Organization | 2023 |
| Massachusetts Institute Of Technology | $37,500 | Cambridge, MA, US | For The Exempt Purposes Of This Organization | 2023 |
| Society For Neuro-oncology | $50,000 | Houston, TX, US | For The Exempt Purposes Of This Organization | 2023 |
| California Institute Of Technology | $150,000 | Pasadena, CA, US | For The Exempt Purposes Of This Organization | 2023 |
| Cleveland Clinic | $100,000 | Cleveland, OH, US | For The Exempt Purposes Of This Organization | 2023 |
| Central Brain Tumor Registry Of The Usa | $5,000 | Hinsdale, IL, US | For The Exempt Purposes Of This Organization | 2023 |
| Duke University | $200,000 | Durham, NC, US | For The Exempt Purposes Of This Organization | 2023 |
| Sulzbacher Center | $10,000 | Jacksonville, FL, US | For The Exempt Purposes Of This Organization | 2023 |
| The Regents Of The University Of Michigan | $149,324 | Troy, MI, US | For The Exempt Purposes Of This Organization | 2023 |
| University Of Texas Md Anderson Cancer Center | $100,000 | Houston, TX, US | For The Exempt Purposes Of This Organization | 2023 |
| Brigham & Women's Hospital | $187,500 | Somerville, MA, US | For The Exempt Purposes Of This Organization | 2022 |
| Conquer Cancer Foundation | $117,500 | Alexandria, VA, US | For The Exempt Purposes Of This Organization | 2022 |
| Cornell University | $75,000 | Ithaca, NY, US | For The Exempt Purposes Of This Organization | 2022 |
| Emory University | $150,000 | Atlanta, GA, US | For The Exempt Purposes Of This Organization | 2022 |
| Hospital For Sick Children | $112,500 | Washington, DC, US | For The Exempt Purposes Of This Organization | 2022 |
| International Brain Tumor Alliance | $1,000 | Tadworth Surrey, Foreign, UK | For The Exempt Purposes Of This Organization | 2022 |
| John Hopkins University School Of Medicine | $112,500 | Baltimore, MD, US | For The Exempt Purposes Of This Organization | 2022 |
| Massachusetts General Hospital | $112,500 | Charlestown, MA, US | For The Exempt Purposes Of This Organization | 2022 |
| New York University | $150,000 | New York, NY, US | For The Exempt Purposes Of This Organization | 2022 |
| Stanford University School Of Medicine | $150,000 | Stanford, CA, US | For The Exempt Purposes Of This Organization | 2022 |
| University Of Minnesota | $150,000 | Minneapolis, MN, US | For The Exempt Purposes Of This Organization | 2022 |
| Weill Cornell | $150,000 | New York, NY, US | For The Exempt Purposes Of This Organization | 2022 |
| Yale University | $262,500 | West Haven, CT, US | For The Exempt Purposes Of This Organization | 2022 |
| Boston Children's Hospital | $225,000 | Boston, MA, US | For The Exempt Purposes Of This Organization | 2022 |
| Brain Tumor Network | $17,451 | Ponte Vedra Beach, FL, US | For The Exempt Purposes Of This Organization | 2022 |
| Community Foundation Of Ne Fl | $3,000,000 | Jacksonville, FL, US | For The Exempt Purposes Of This Organization | 2022 |
| National Brain Tumor Society | $33,334 | Newton, MA, US | For The Exempt Purposes Of This Organization | 2022 |
| University Of Texas Southwestern | $150,000 | Houston, TX, US | For The Exempt Purposes Of This Organization | 2022 |
| Regents Of Univ Of Ca-san Francisco | $187,500 | Oakland, CA, US | For The Exempt Purposes Of This Organization | 2022 |
| University Of Florida Foundation Inc | $5,000 | Gainesville, FL, US | For The Exempt Purposes Of This Organization | 2022 |
| University Of Massachusetts Med School | $150,000 | Worcester, MA, US | For The Exempt Purposes Of This Organization | 2022 |
| Rice University | $37,500 | Houston, TX, US | For The Exempt Purposes Of This Organization | 2022 |
| University Of Pittsburgh | $37,500 | Pittsburgh, PA, US | For The Exempt Purposes Of This Organization | 2022 |
| Dana Farber Cancer Institute Inc | $150,000 | Boston, MA, US | For The Exempt Purposes Of This Organization | 2022 |
| Society For Neuro-oncology | $172,113 | Houston, TX, US | For The Exempt Purposes Of This Organization | 2022 |
| California Institute Of Technology | $37,500 | Pasadena, CA, US | For The Exempt Purposes Of This Organization | 2022 |
| Central Brain Tumor Registry Of The Usa | $5,000 | Hinsdale, IL, US | For The Exempt Purposes Of This Organization | 2022 |
| The Regents Of The University Of Michigan | $150,000 | Troy, MI, US | For The Exempt Purposes Of This Organization | 2022 |
| American Brain Tumor Association | $50,000 | Chicago, IL, US | For The Exempt Purposes Of This Organization | 2021 |
| Brigham & Women's Hospital | $150,000 | Somerville, MA, US | For The Exempt Purposes Of This Organization | 2021 |
| Conquer Cancer Foundation | $115,000 | Alexandria, VA, US | For The Exempt Purposes Of This Organization | 2021 |
| Cornell University | $150,000 | Ithaca, NY, US | For The Exempt Purposes Of This Organization | 2021 |
| Emory University | $150,000 | Atlanta, GA, US | For The Exempt Purposes Of This Organization | 2021 |
| Hospital For Sick Children | $150,000 | Washington, DC, US | For The Exempt Purposes Of This Organization | 2021 |
| International Brain Tumor Alliance | $1,000 | Tadworth Surrey, N/A, UK | For The Exempt Purposes Of This Organization | 2021 |
| John Hopkins University School Of Medicine | $150,000 | Baltimore, MD, US | For The Exempt Purposes Of This Organization | 2021 |
| Massachusetts General Hospital | $150,000 | Charlestown, MA, US | For The Exempt Purposes Of This Organization | 2021 |
| New York University | $150,000 | New York, NY, US | For The Exempt Purposes Of This Organization | 2021 |
| Stanford University School Of Medicine | $150,000 | Stanford, CA, US | For The Exempt Purposes Of This Organization | 2021 |
| University Of Minnesota | $150,000 | Minneapolis, MN, US | For The Exempt Purposes Of This Organization | 2021 |
| Weill Cornell | $150,000 | New York, NY, US | For The Exempt Purposes Of This Organization | 2021 |
| Yale University | $187,500 | West Haven, CT, US | For The Exempt Purposes Of This Organization | 2021 |
| Boston Children's Hospital | $37,500 | Boston, MA, US | For The Exempt Purposes Of This Organization | 2021 |
| Brain Tumor Network | $32,549 | Ponte Vedra Beach, FL, US | For The Exempt Purposes Of This Organization | 2021 |
| Community Foundation Of Ne Fl | $750,000 | Jacksonville, FL, US | For The Exempt Purposes Of This Organization | 2021 |
| National Brain Tumor Society | $50,000 | Newton, MA, US | For The Exempt Purposes Of This Organization | 2021 |
| Pediatric Brain Tumor Foundation | $50,000 | Atlanta, GA, US | For The Exempt Purposes Of This Organization | 2021 |
| University Of Massachusetts | $37,500 | Amherst, MA, US | For The Exempt Purposes Of This Organization | 2021 |
| University Of Texas Southwestern | $37,500 | Houston, TX, US | For The Exempt Purposes Of This Organization | 2021 |
| Dana Farber Cancer Institute Inc | $150,000 | Boston, MA, US | For The Exempt Purposes Of This Organization | 2021 |
| Regents Of University Of California - San Diego | $37,500 | La Jolla, CA, US | For The Exempt Purposes Of This Organization | 2021 |
| Society For Neuro-oncology | $40,000 | Houston, TX, US | For The Exempt Purposes Of This Organization | 2021 |
| Central Brain Tumor Registry Of The Usa | $5,000 | Hinsdale, IL, US | For The Exempt Purposes Of This Organization | 2021 |
| Duke University | $-2,127 | Durham, NC, US | For The Exempt Purposes Of This Organization | 2021 |
| The Regents Of The University Of Michigan | $150,000 | Troy, MI, US | For The Exempt Purposes Of This Organization | 2021 |
| University Of Texas Md Anderson Cancer Center | $112,500 | Houston, TX, US | For The Exempt Purposes Of This Organization | 2021 |
| American Brain Tumor Association | $60,000 | Chicago, IL, US | For The Exempt Purposes Of This Organization | 2020 |
| Beaches Emergency Assistance Ministry | $25,000 | Jacksonville Beach, FL, US | For The Exempt Purposes Of This Organization | 2020 |
| Brigham & Women's Hospital | $37,500 | Somerville, MA, US | For The Exempt Purposes Of This Organization | 2020 |
| Conquer Cancer Foundation | $57,500 | Alexandria, VA, US | For The Exempt Purposes Of This Organization | 2020 |
| Cornell University | $37,500 | Ithaca, NY, US | For The Exempt Purposes Of This Organization | 2020 |
| Emory University | $150,000 | Atlanta, GA, US | For The Exempt Purposes Of This Organization | 2020 |
| Health Research Alliance | $275,000 | Research Triangle Park, NC, US | For The Exempt Purposes Of This Organization | 2020 |
| Hospital For Sick Children | $150,000 | Washington, DC, US | For The Exempt Purposes Of This Organization | 2020 |
| International Brain Tumor Alliance | $6,000 | Tadworth Surrey, N/A, UK | For The Exempt Purposes Of This Organization | 2020 |
| John Hopkins University School Of Medicine | $150,000 | Baltimore, MD, US | For The Exempt Purposes Of This Organization | 2020 |
| Massachusetts General Hospital | $150,000 | Charlestown, MA, US | For The Exempt Purposes Of This Organization | 2020 |
| New York University | $150,000 | New York, NY, US | For The Exempt Purposes Of This Organization | 2020 |
| Patient Advocate Foundation | $200,000 | Hampton, VA, US | For The Exempt Purposes Of This Organization | 2020 |
| Stanford University School Of Medicine | $150,000 | Stanford, CA, US | For The Exempt Purposes Of This Organization | 2020 |
| University Of Minnesota | $37,500 | Minneapolis, MN, US | For The Exempt Purposes Of This Organization | 2020 |
| Weill Cornell | $37,500 | New York, NY, US | For The Exempt Purposes Of This Organization | 2020 |
| White Oak Conservation | $5,000 | Yulee, FL, US | For The Exempt Purposes Of This Organization | 2020 |
| Yale University | $150,000 | West Haven, CT, US | For The Exempt Purposes Of This Organization | 2020 |
| Dana Farber Cancer Institute Inc | $150,000 | Boston, MA, US | For The Exempt Purposes Of This Organization | 2020 |
| St Jude Children's Research | $112,500 | Memphis, TN, US | For The Exempt Purposes Of This Organization | 2020 |
| Society For Neuro-oncology | $40,000 | Houston, TX, US | For The Exempt Purposes Of This Organization | 2020 |
| California Institute Of Technology | $112,500 | Pasadena, CA, US | For The Exempt Purposes Of This Organization | 2020 |
| Central Brain Tumor Registry Of The Usa | $5,000 | Hinsdale, IL, US | For The Exempt Purposes Of This Organization | 2020 |
| Duke University | $-424 | Durham, NC, US | For The Exempt Purposes Of This Organization | 2020 |
| Sulzbacher Center | $379,594 | Jacksonville, FL, US | For The Exempt Purposes Of This Organization | 2020 |
| The Regents Of The University Of Michigan | $150,000 | Troy, MI, US | For The Exempt Purposes Of This Organization | 2020 |
| University Of Texas Md Anderson Cancer Center | $150,000 | Houston, TX, US | For The Exempt Purposes Of This Organization | 2020 |
| Conquer Cancer Foundation | $115,000 | Alexandria, VA, US | For The Exempt Purposes Of This Organization | 2018 |
| Health Research Alliance | $275,000 | Research Triangle Park, NC, US | For The Exempt Purposes Of This Organization | 2018 |
| John Hopkins University School Of Medicine | $37,500 | Baltimore, MD, US | For The Exempt Purposes Of This Organization | 2018 |
| Massachusetts General Hospital | $37,500 | Charlestown, MA, US | For The Exempt Purposes Of This Organization | 2018 |
| The Hospital For Sick Children | $37,500 | Toronto, ONTARIO, CA | For The Exempt Purposes Of This Organization | 2018 |
| Yale Comprehensive Cancer Center | $37,500 | West Haven, CT, US | For The Exempt Purposes Of This Organization | 2018 |
| St Jude Children's Research | $150,000 | Memphis, TN, US | For The Exempt Purposes Of This Organization | 2018 |
| Society For Neuro-oncology | $40,000 | Houston, TX, US | For The Exempt Purposes Of This Organization | 2018 |
| California Institute Of Technology | $262,500 | Pasadena, CA, US | For The Exempt Purposes Of This Organization | 2018 |
| Cleveland Clinic | $112,500 | Cleveland, OH, US | For The Exempt Purposes Of This Organization | 2018 |
| Central Brain Tumor Registry Of The Usa | $35,000 | Hinsdale, IL, US | For The Exempt Purposes Of This Organization | 2018 |
| Duke University | $300,000 | Durham, NC, US | For The Exempt Purposes Of This Organization | 2018 |
| Sulzbacher Center | $589,510 | Jacksonville, FL, US | For The Exempt Purposes Of This Organization | 2018 |
| Community Health Outreach | $145,000 | Jacksonville, FL, US | For The Exempt Purposes Of This Organization | 2018 |
| Various | $500 | Ponte Vedra Beach, FL, US | For The Exempt Purposes Of This Organization | 2018 |
| The Regents Of The University Of Michigan | $150,000 | Troy, MI, US | For The Exempt Purposes Of This Organization | 2018 |
| University Of Texas Md Anderson Cancer Center | $150,000 | Houston, TX, US | For The Exempt Purposes Of This Organization | 2018 |
| Memorial Sloan-kettering | $112,500 | New York, NY, US | For The Exempt Purposes Of This Organization | 2017 |
| Cold Spring Harbor Laboratory | $112,500 | Cold Spring Harbor, NY, US | For The Exempt Purposes Of This Organization | 2017 |
| Massachusetts Institute Of Technology | $112,500 | Cambridge, MA, US | For The Exempt Purposes Of This Organization | 2017 |
| St Jude Children's Research | $150,000 | Memphis, TN, US | For The Exempt Purposes Of This Organization | 2017 |
| Regents Of University Of California - San Diego | $75,000 | La Jolla, CA, US | For The Exempt Purposes Of This Organization | 2017 |
| Society For Neuro-oncology | $40,000 | Houston, TX, US | For The Exempt Purposes Of This Organization | 2017 |
| California Institute Of Technology | $300,000 | Pasadena, CA, US | For The Exempt Purposes Of This Organization | 2017 |
| Cleveland Clinic | $150,000 | Cleveland, OH, US | For The Exempt Purposes Of This Organization | 2017 |
| Central Brain Tumor Registry Of The Usa | $25,000 | Hinsdale, IL, US | For The Exempt Purposes Of This Organization | 2017 |
| Duke University | $225,000 | Durham, NC, US | For The Exempt Purposes Of This Organization | 2017 |
| Sulzbacher Center | $512,733 | Jacksonville, FL, US | For The Exempt Purposes Of This Organization | 2017 |
| Community Health Outreach | $125,600 | Jacksonville, FL, US | For The Exempt Purposes Of This Organization | 2017 |
| Various | $250 | Ponte Vedra Beach, FL, US | For The Exempt Purposes Of This Organization | 2017 |
| The Regents Of The University Of Michigan | $37,500 | Troy, MI, US | For The Exempt Purposes Of This Organization | 2017 |
| University Of Texas Md Anderson Cancer Center | $37,500 | Houston, TX, US | For The Exempt Purposes Of This Organization | 2017 |
Foundations Similar to Sontag Foundation
Discover 5 foundations with comparable assets ($117,458,964-$145,575,638), similar grant patterns, and geographic focus in FL that may also align with your organization's funding needs and grant seeking strategy.
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Jennie K Scaife Charitable Foundation
EIN: 84-4738066 | 188 grants awarded |
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(↓ Smaller) |
$60,000
median grant |
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Lucy Gooding Charitable Foundation Trust
EIN: 59-2891582 | 415 grants awarded |
$139,074,138
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Wih And Lula E Pitts Foundation
EIN: 58-6026047 | 156 grants awarded |
$118,861,732
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$200,000
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Dsf Charitable Foundation Inc
EIN: 25-1847237 | 186 grants awarded |
$117,842,807
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Victor E Clarke Charitable Foundation
EIN: 47-6777228 | 89 grants awarded |
$117,458,964
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Contact Information
Official contact details for Sontag Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.
| EIN | 59-3634325 |
| Website | http://www.sontagfoundation.org/ |
| Address | 816 A1A N STE 201 Ponte Vedra, FL 32082-3219 |
Key People (10)
Board members, trustees, and key staff who oversee Sontag Foundation's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.
| Director | Frederick B Sontag |
|---|---|
| Director | Bradley D Mottier |
| Director | Grant M Conway |
| Director | Daniel M Ryan |
| Director | Jennifer H Levinson |
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 Sontag 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
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Research Applications
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Data Currency: Last updated
February 2026
based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.