Aristo Zeilstra Foundation | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like Aristo Zeilstra Foundation. Data shown is extracted from Form 990-PF filings.

EIN: 84-2947815

Foundation Overview

Based in Wilmington, DE, Aristo Zeilstra Foundation has awarded 108 grants totaling $247,906 to organizations in Ohio, New York and 17 other states across the US. Individual grants range from $100 to $35,000, with a median award of $250.

Latest Tax Year
2024
Total Giving (all years)
$247,906
Total Assets
$373,489
Median Grant (all grants)
$250

Latest Form 990-PF Snapshot

Total Grants
10
Median Grant
$1,000
% Median Grant Growth
+300% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: March 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: 30%

3 of 10 recipients (30%) were new grantees. Foundation strongly favors organizations with proven track records. New partnerships develop slowly over time.

Geographic Focus
Ohio

Grants are geographically diversified with 30% in Ohio and funding distributed across 19 total locations. This foundation values broad geographic impact and diverse community partnerships. Within Ohio, funding concentrates in Cincinnati (75%), Galion (16%), Springfield (3%).

Funding Trajectory
+448%

Strong 448% growth in annual giving over 4 years indicates expanding philanthropic capacity and increasing opportunities for grant seekers. This upward trajectory suggests growing foundation resources and commitment.

Program Areas
General Purposes + 2 others

Diversified giving across multiple program areas with primary emphasis on general purposes (67%). 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 Aristo Zeilstra 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
Foreverland Farm $500 Amelia, OH, US General & Unrestricted 2024
Friends Of Baark Inc $2,500 Davie, FL, US General & Unrestricted 2024
Friends Of Baark Inc $2,000 Davie, FL, US To Support Maisy's Heartworm Treatment And Beetle Bug 2024
Greater Good Charities $500 Seattle, WA, US Comfort To Veterans And Their Pets 2024
Operation Liberation $1,000 Ft Lauderdale, FL, US General & Unrestricted 2024
Our Rescue $1,000 Denver, CO, US General & Unrestricted 2024
Rescued Rollers $500 Galion, OH, US General & Unrestricted 2024
Samaritans Purse $1,000 Boone, NC, US Charitable Event 2024
The Medical University Of South Carolina Foundatio $35,000 Charleston, SC, US Scleroderma Center Endowment Fund 2024
World Vision $1,500 Federal Way, WA, US World Vision Fund 2024
1n5 $250 Cincinnati, OH, US Charitable Event 2023
All Paws On Deck Animal Rescue $150 Winter Park, FL, US General & Unrestricted 2023
American Society For Technion- Israel Institute Of $250 New York, NY, US General & Unrestricted 2023
Big Dog Ranch Rescue Inc $500 Lxhtchee Grvs, FL, US General & Unrestricted 2023
Cincinnati Lab Rescue $250 Cincinnati, OH, US General & Unrestricted 2023
Citadel Foundation $300 Charleston, SC, US Citadel Medical Emergency Fund 2023
Friends Of Baark Inc $5,000 Davie, FL, US Charitable Event 2023
Greater Good Charities $250 Seattle, WA, US General & Unrestricted 2023
No Baby Blisters $250 Winston Salem, NC, US General & Unrestricted 2023
Our Rescue $1,000 Denver, CO, US General & Unrestricted 2023
Ranger School Support Group Inc $250 Daytona Beach, FL, US Charitable Event 2023
Releash Atlanta Inc $150 Buford, GA, US General & Unrestricted 2023
Romanian League In Defense Of Animals $500 Crofton, MD, US General & Unrestricted 2023
Soi Dog $250 Houston, TX, US General & Unrestricted 2023
Stop Soldier Suicide $200 Durham, NC, US Charitable Event 2023
The Medical University Of South Carolina Foundatio $35,000 Charleston, SC, US Scleroderma Center Endowment Fund 2023
World Central Kitchen Incorporated $1,000 Washington, DC, US Charitable Event 2023
World Vision $1,500 Federal Way, WA, US World Vision Fund 2023
World Vision $1,404 Federal Way, WA, US 2023 World Vision Fund 2023
Citadel Foundation $500 Charleston, SC, US The Citadel Ring Fund 2022
City Gospel Mission $200 Cincinnati, OH, US General & Unrestricted 2022
Friends Of Baark Inc $1,000 Davie, FL, US General & Unrestricted 2022
Friends Of Baark Inc $5,000 Davie, FL, US Charitable Event 2022
Guitars For Vets $200 Brookfield, WI, US General & Unrestricted 2022
Leukemia & Lymphoma Society Inc $250 New York, NY, US General & Unrestricted 2022
Marleys Mutts Dog Rescue $150 Tehachapi, CA, US General & Unrestricted 2022
Rescued Rollers $250 Galion, OH, US General & Unrestricted 2022
Stephen Siller Tunnel To Towers Foundation $200 Staten Island, NY, US General & Unrestricted 2022
The Medical University Of South Carolina Foundatio $35,000 Charleston, SC, US Scleroderma Center Endowment Fund 2022
United Help Ukraine $2,500 Gaithersburg, MD, US General & Unrestricted 2022
World Vision $1,500 Federal Way, WA, US World Vision Account #53430153 2022
Citadel Foundation $500 Charleston, SC, US The Citadel Ring Fund 2022
City Gospel Mission $200 Cincinnati, OH, US General & Unrestricted 2022
Friends Of Baark Inc $1,000 Davie, FL, US General & Unrestricted 2022
Friends Of Baark Inc $5,000 Davie, FL, US Charitable Event 2022
Guitars For Vets $200 Brookfield, WI, US General & Unrestricted 2022
Leukemia & Lymphoma Society Inc $250 New York, NY, US General & Unrestricted 2022
Marleys Mutts Dog Rescue $150 Tehachapi, CA, US General & Unrestricted 2022
Rescued Rollers $250 Galion, OH, US General & Unrestricted 2022
Stephen Siller Tunnel To Towers Foundation $200 Staten Island, NY, US General & Unrestricted 2022
The Medical University Of South Carolina Foundatio $35,000 Charleston, SC, US Scleroderma Center Endowment Fund 2022
United Help Ukraine $2,500 Gaithersburg, MD, US General & Unrestricted 2022
World Vision $1,500 Federal Way, WA, US World Vision Account #53430153 2022
Citadel Foundation $500 Charleston, SC, US The Citadel Ring Fund 2022
City Gospel Mission $200 Cincinnati, OH, US General & Unrestricted 2022
Friends Of Baark Inc $1,000 Davie, FL, US General & Unrestricted 2022
Friends Of Baark Inc $5,000 Davie, FL, US Charitable Event 2022
Guitars For Vets $200 Brookfield, WI, US General & Unrestricted 2022
Leukemia & Lymphoma Society Inc $250 New York, NY, US General & Unrestricted 2022
Marleys Mutts Dog Rescue $150 Tehachapi, CA, US General & Unrestricted 2022
Rescued Rollers $250 Galion, OH, US General & Unrestricted 2022
Stephen Siller Tunnel To Towers Foundation $200 Staten Island, NY, US General & Unrestricted 2022
The Medical University Of South Carolina Foundatio $35,000 Charleston, SC, US Scleroderma Center Endowment Fund 2022
United Help Ukraine $2,500 Gaithersburg, MD, US General & Unrestricted 2022
World Vision $1,500 Federal Way, WA, US World Vision Account #53430153 2022
1n5 $100 Cincinnati, OH, US General & Unrestricted 2021
City Gospel Mission $250 Cincinnati, OH, US General & Unrestricted 2021
Clark County Spca Inc $200 Springfield, OH, US General & Unrestricted 2021
Covenant House $200 New York, NY, US General & Unrestricted 2021
Freestore-foodbank Inc $250 Cincinnati, OH, US General & Unrestricted 2021
Grant Us Hope Inc $250 Cincinnati, OH, US General & Unrestricted 2021
Jewish Federation Of Cincinnati $120 Cincinnati, OH, US General & Unrestricted 2021
Maslows Army Inc $250 Park Hills, KY, US General & Unrestricted 2021
Medecins Sans Frontieres Usa Inc - Doctors Without $250 Hagerstown, MD, US General & Unrestricted 2021
Mercy Ships $200 Lindale, TX, US General & Unrestricted 2021
Nationwide Childrens Hospital $100 Columbus, OH, US Charitable Event 2021
No Baby Blisters $200 Winston Salem, NC, US General & Unrestricted 2021
Salvation Army Catherine Booth Residence Inc $250 Cincinnati, OH, US General & Unrestricted 2021
Sea Shepherd Conservation Society $250 Alexandria, VA, US General & Unrestricted 2021
Smile Train Inc $120 Washington, DC, US General & Unrestricted 2021
United Way Of Greater Cincinnati $1,000 Cincinnati, OH, US Charitable Event 2021
World Vision $1,404 Federal Way, WA, US General & Unrestricted 2021
1n5 $100 Cincinnati, OH, US General & Unrestricted 2020
American Lung Association $100 Los Angeles, CA, US Charitable Event 2020
Cincinnati Area Senior Services Inc $250 Cincinnati, OH, US Donation Towards Masks For Meals Program 2020
Cincinnati Lab Rescue $100 Cincinnati, OH, US General & Unrestricted 2020
City Gospel Mission $700 Cincinnati, OH, US General & Unrestricted 2020
Covenant House $200 New York, NY, US General & Unrestricted 2020
De Cavel Family Sids Foundation $100 Cincinnati, OH, US General & Unrestricted 2020
Dohn Community High School $638 Cincinnati, OH, US Technology Fund 2020
Freestore-foodbank Inc $500 Cincinnati, OH, US General & Unrestricted 2020
Greatergood Org $100 Seattle, WA, US Packs For Homeless Vets And Their Pets 2020
Hamilton County Society For The Prevention Of Crue $100 Cincinnati, OH, US General & Unrestricted 2020
Help Hope Live Inc $250 Radnor, PA, US To Help With Medical Costs 2020
Jewish Federation Of Cincinnati $120 Cincinnati, OH, US General & Unrestricted 2020
Kenzies Closet $100 Cincinnati, OH, US General & Unrestricted 2020
Leukemia & Lymphoma Society Inc $100 Rye Brook, NY, US General & Unrestricted 2020
Marine Toys For Tots $200 Howell, MI, US General & Unrestricted 2020
Medecins Sans Frontieres Usa Inc - Doctors Without $200 Hagerstown, MD, US General & Unrestricted 2020
Mercy Ships $150 Lindale, TX, US General & Unrestricted 2020
Most Valuable Kids Inc $250 Cincinnati, OH, US Charitable Event 2020
Rebecca Bender Initiative $100 Grants Pass, OR, US General & Unrestricted 2020
Rescued Rollers $250 Galion, OH, US General & Unrestricted 2020
Saved In America Incorporated $100 Valley Center, CA, US General & Unrestricted 2020
Scleroderma Foundation $1,000 Danvers, MA, US General & Unrestricted 2020
Special Olympics Inc $150 Washington, DC, US General & Unrestricted 2020
United Way Of Greater Cincinnati $1,000 Cincinnati, OH, US 2020 Cincinnati Enquirer Christmas Wishlist Fund 2020
World Vision $1,450 Federal Way, WA, US General & Unrestricted 2020

Foundations Similar to Aristo Zeilstra Foundation

Discover 5 foundations with comparable assets ($377,195-$436,157), 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

EIN: 52-2104825 | 71 grants awarded
$377,195
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$300
median grant
Ocean View, DE
Same state
100%
Excellent match

EIN: 85-3976503 | 7 grants awarded
$383,784
(≈ Similar)
$500
median grant
Wilmington, DE
Same state
99%
Excellent match

EIN: 83-1815661 | 120 grants awarded
$430,051
(≈ Similar)
$250
median grant
Wilmington, DE
Same state
92%
Excellent match

EIN: 20-0983799 | 212 grants awarded
$431,727
(≈ Similar)
$250
median grant
Wilmington, DE
Same state
92%
Excellent match

EIN: 87-1501756 | 79 grants awarded
$436,157
(≈ Similar)
$500
median grant
Wilmington, DE
Same state
92%
Excellent match

Contact Information

Official contact details for Aristo Zeilstra Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 84-2947815
Website N/A
Address FOUNDATION SOURCE 501 SILVERSIDE RD Wilmington, DE 19809-0000

Key People (5)

Board members, trustees, and key staff who oversee Aristo Zeilstra Foundation's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.

Treas, Dir Justin Zeilstra
Dir, Vp Mirja Zeilstra
Dir Natasha Zeilstra
Dir, Pres, Sec Raimond Zeilstra
Dir Sophia Zeilstra

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 Aristo Zeilstra 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 March 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.