Three Sisters Foundation | Foundation Profile
GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like Three Sisters Foundation. Data shown is extracted from Form 990-PF filings.
EIN: 90-0914803
Foundation Overview
Based in Wilmington, DE, Three Sisters Foundation has awarded 61 grants totaling $38,370,500 to organizations in California, New York and 4 other states across the US. Individual grants range from $200 to $10,000,000, with a median award of $200,000.
Latest Form 990-PF Snapshot
Foundation Intelligence
Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies
New Applicant Friendliness
4 of 14 recipients (29%) were new grantees. Foundation strongly favors organizations with proven track records. New partnerships develop slowly over time.
Geographic Focus
Grants are geographically diversified with 34% in California and funding distributed across 6 total locations. This foundation values broad geographic impact and diverse community partnerships. Within California, funding concentrates in Oakland (38%), Stanford (38%), San Francisco (24%).
Funding Trajectory
Strong 1897% growth in annual giving over 7 years indicates expanding philanthropic capacity and increasing opportunities for grant seekers. This upward trajectory suggests growing foundation resources and commitment.
Program Areas
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?
Grants & Funding
Analyzing past grantees provides valuable insights into Three Sisters 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 |
|---|---|---|---|---|
| Breakthrough Collaborative | $150,000 | Oakland, CA, US | Unrestricted | 2023 |
| Hamilton College | $125,000 | Clinton, NY, US | Urestricted | 2023 |
| International Rescue Committee | $1,000,000 | New York, NY, US | Unrestricted | 2023 |
| Massachusetts General Hospital | $10,000,000 | Boston, MA, US | Unrestricted | 2023 |
| Stanford Institute For Economic Policy Research | $25,000 | Stanford, CA, US | Unrestricted | 2023 |
| University Of Chicago | $500,000 | Chicago, IL, US | Unrestricted | 2023 |
| Vanguard Charitable Endowment Program | $200,000 | Warwick, RI, US | Unrestricted | 2023 |
| Breakthrough Collaborative | $150,000 | Oakland, CA, US | Unrestricted | 2023 |
| Hamilton College | $125,000 | Clinton, NY, US | Urestricted | 2023 |
| International Rescue Committee | $1,000,000 | New York, NY, US | Unrestricted | 2023 |
| Massachusetts General Hospital | $10,000,000 | Boston, MA, US | Unrestricted | 2023 |
| Stanford Institute For Economic Policy Research | $25,000 | Stanford, CA, US | Unrestricted | 2023 |
| University Of Chicago | $500,000 | Chicago, IL, US | Unrestricted | 2023 |
| Vanguard Charitable Endowment Program | $200,000 | Warwick, RI, US | Unrestricted | 2023 |
| Breakthrough Collaborative | $100,000 | Oakland, CA, US | Unrestricted | 2022 |
| International Rescue Committee | $800,000 | New York, NY, US | Unrestricted | 2022 |
| University Of Chicago | $1,000,000 | Chicago, IL, US | Unrestricted | 2022 |
| Vanguard Charitable Endowment Program | $100,000 | Warwick, RI, US | Unrestricted | 2022 |
| Breakthrough Collaborative | $100,000 | Oakland, CA, US | Unrestricted | 2022 |
| International Rescue Committee | $800,000 | New York, NY, US | Unrestricted | 2022 |
| University Of Chicago | $1,000,000 | Chicago, IL, US | Unrestricted | 2022 |
| Vanguard Charitable Endowment Program | $100,000 | Warwick, RI, US | Unrestricted | 2022 |
| Breakthrough Collaborative | $100,000 | Oakland, CA, US | Unrestricted | 2022 |
| International Rescue Committee | $800,000 | New York, NY, US | Unrestricted | 2022 |
| University Of Chicago | $1,000,000 | Chicago, IL, US | Unrestricted | 2022 |
| Vanguard Charitable Endowment Program | $100,000 | Warwick, RI, US | Unrestricted | 2022 |
| Breakthrough Collaborative | $100,000 | Oakland, CA, US | Unrestricted | 2021 |
| Hamilton College | $487,500 | Clinton, NY, US | Unrestricted | 2021 |
| International Rescue Committee | $750,000 | New York, NY, US | Unrestricted | 2021 |
| Stanford University | $25,000 | Stanford, CA, US | Unrestricted | 2021 |
| Swarthmore College | $500,000 | Swarthmore, PA, US | Unrestricted | 2021 |
| University Of Chicago | $500,000 | Chicago, IL, US | Unrestricted | 2021 |
| Hamilton College | $125,000 | Clinton, NY, US | Unrestricted | 2020 |
| International Rescue Committee | $680,000 | New York, NY, US | Unrestricted | 2020 |
| Leland Stanford Junior University | $25,000 | Stanford, CA, US | Unrestricted | 2020 |
| University Of California - San Francisco | $100,000 | San Francisco, CA, US | Unrestricted | 2020 |
| University Of Chicago | $320,000 | Chicago, IL, US | Unrestricted | 2020 |
| International Rescue Committee | $350,000 | New York, NY, US | Unrestricted | 2018 |
| Stanford University | $20,000 | Stanford, CA, US | Unrestricted | 2018 |
| University Of Chicago | $200,000 | Chicago, IL, US | Unrestricted | 2018 |
| Urban School Of San Francisco | $1,015,000 | San Francisco, CA, US | Unrestricted | 2018 |
| Center For Reproductive Rights | $1,000 | New York, NY, US | Unrestricted | 2017 |
| Hamilton College | $250,000 | Clinton, NY, US | Unrestricted | 2017 |
| International Rescue Committee | $300,000 | New York, NY, US | Unrestricted | 2017 |
| Stanford Junior University | $20,000 | Stanford, CA, US | Unrestricted | 2017 |
| University Of Chicago | $200,000 | Chicago, IL, US | Unrestricted | 2017 |
| Urban School Of San Francisco | $515,000 | San Francisco, CA, US | Unrestricted | 2017 |
| Breakthrough Collaborative | $200 | Oakland, CA, US | Unrestricted | 2017 |
| Center For Reproductive Rights | $1,000 | New York, NY, US | Unrestricted | 2017 |
| Hamilton College | $250,000 | Clinton, NY, US | Unrestricted | 2017 |
| International Rescue Committee | $300,000 | New York, NY, US | Unrestricted | 2017 |
| Stanford Junior University | $20,000 | Stanford, CA, US | Unrestricted | 2017 |
| University Of Chicago | $200,000 | Chicago, IL, US | Unrestricted | 2017 |
| Urban School Of San Francisco | $515,000 | San Francisco, CA, US | Unrestricted | 2017 |
| Breakthrough Collaborative | $122,300 | Oakland, CA, US | Unrestricted | 2016 |
| International Rescue Committee | $250,000 | New York, NY, US | Unrestricted | 2016 |
| University Of Chicago | $200,000 | Chicago, IL, US | Unrestricted | 2016 |
| Stanford Junior University | $20,000 | Stanford, CA, US | Unrestricted | 2016 |
| Hamilton College | $2,500 | Clinton, NY, US | Unrestricted | 2016 |
| Center For Reproductive Rights | $1,000 | New York, NY, US | Unrestricted | 2016 |
| Gladstone Institutes | $5,000 | San Francisco, CA, US | Unrestricted | 2016 |
Foundations Similar to Three Sisters Foundation
Discover 5 foundations with comparable assets ($44,077,453-$77,132,484), similar grant patterns, and geographic focus in DE that may also align with your organization's funding needs and grant seeking strategy.
| Foundation Name | Total Assets | Typical Grant Size | Service Area | Similarity Match |
|---|---|---|---|---|
|
The Roy Cockrum Foundation
EIN: 30-0839745 | 56 grants awarded |
$63,914,111
(≈ Similar) |
$225,000
median grant |
Wilmington, DE
Same state |
|
|
Mars Wrigley Foundation
EIN: 36-3486958 | 71 grants awarded |
$60,335,765
(≈ Similar) |
$200,000
median grant |
Wilmington, DE
Same state |
|
|
Jaggers Family Foundation
EIN: 84-3114220 | 62 grants awarded |
$55,582,439
(≈ Similar) |
$150,000
median grant |
Wilmington, DE
Same state |
|
|
Stella Roy Foundation
EIN: 88-3957641 | 18 grants awarded |
$77,132,484
(≈ Similar) |
$145,000
median grant |
Wilmington, DE
Same state |
|
|
The Singer Family Charitable Foundation
EIN: 22-2664654 | 71 grants awarded |
$44,077,453
(↓ Smaller) |
$100,000
median grant |
Wilmington, DE
Same state |
|
Related Foundation Resources in DE:
Contact Information
Official contact details for Three Sisters Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.
| EIN | 90-0914803 |
| Website | N/A |
| Address | 1201 N MARKET ST STE 1401 Wilmington, DE 19801-1163 |
Key People (3)
Board members, trustees, and key staff who oversee Three Sisters Foundation's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.
| Administrative Trustee | Rockefeller Trust Company |
|---|---|
| Trustee | Charles Pohl Co Rockefeller Trust |
| Trustee | Eve Niquette Co Rockefeller Trust |
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 Three Sisters 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
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