The Per and Astrid Heidenreich Family Foundation
Invitation OnlyGreenwich, Connecticut · EIN 20-6382658 · Private foundation
Grants paid (2025)$1.1M
Organizations funded64
Typical grant$4,500
Total assets$20.3M
Half of its grants to organizations were between $1,500 and $10,000.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
40% of grants went outside Connecticut.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Fau Foundation Inc | Boca Raton, FL | General purpose | $130,000 |
| Boys and Girls Club of Greenwich | Greenwich, CT | General purpose | $129,000 |
| Let's Get Ready | New York, NY | General purpose | $100,000 |
| Norwalk Acts | Norwalk, CT | General purpose | $100,000 |
| The Carver Foundation | Norwalk, CT | General purpose | $100,000 |
| Banner Lake Club Inc | Hobe Sound, FL | General purpose | $82,500 |
| Southern Connecticut State University | New Haven, CT | General purpose | $60,000 |
| Norwalk Hospital Foundation | Norwalk, CT | General purpose | $50,000 |
| Family and Children's Agency | Norwalk, CT | General purpose | $25,000 |
| Leap Inc | New Haven, CT | General purpose | $25,000 |
| Boys and Girls Club of Martin County | Hobe Sound, FL | General purpose | $20,000 |
| Horizons Greens Farm Academy | Bridgeport, CT | General purpose | $20,000 |
| Stamford Hospital Foundation | Stamford, CT | General purpose | $20,000 |
| Mystic Aquarium | Mystic, CT | General purpose | $19,100 |
| Teach for America | New York, NY | General purpose | $15,000 |
| Cma Education Foundation Inc | Stamford, CT | General purpose | $10,000 |
| Delmar Farm | Loxahatchee, FL | General purpose | $10,000 |
| Greenwich Athletic Foundation | Cos Cob, CT | General purpose | $10,000 |
| Hope Rural School | Indiantown, FL | General purpose | $10,000 |
| Loblolly Community Foundation | Hobe Sound, FL | General purpose | $10,000 |
| Martin Memorial Health Systems | Stuart, FL | General purpose | $10,000 |
| Norwalk Housing Foundation | Norwalk, CT | General purpose | $10,000 |
| Project Lift | Hobe Sound, FL | General purpose | $10,000 |
| The Matthew Gaffney Foundation | Stamford, CT | General purpose | $10,000 |
| 4-Ct | New Haven, CT | General purpose | $9,000 |
| Greenwich Youth Football | Greenwich, CT | General purpose | $7,300 |
| Swim Across America | Ridgefield, CT | General purpose | $5,500 |
| American Red Cross | Farmington, CT | General purpose | $5,000 |
| New Canaan Nature Center | New Canaan, CT | General purpose | $5,000 |
| The Everglades Foundation | Palmetto Bay, FL | General purpose | $5,000 |
| The Hobe Sound Community Chest | Hobe Sound, FL | General purpose | $5,000 |
| Weimaraner Rescue of the North | Cassadaga, NY | General purpose | $5,000 |
| Ybi Ct | Norwalk, CT | General purpose | $4,500 |
| Cardinal Shehan Center | Bridgeport, CT | General purpose | $4,000 |
| Maltz Jupiter Theatre | Jupiter, FL | General purpose | $3,000 |
| Stamford Police Foundation | Stamford, CT | General purpose | $3,000 |
| Department of Social Services | Hartford, CT | General purpose | $2,500 |
| Stamford Citizen of the Year | Stamford, CT | General purpose | $2,500 |
| American Scandinavian Foundation | New York, NY | General purpose | $2,000 |
| Branford Fire & Rescue | Branford, CT | General purpose | $2,000 |
| Branford Food Pantry | Branford, CT | General purpose | $2,000 |
| Branford Land Trust | Branford, CT | General purpose | $2,000 |
| Dan Cosgrove Animal Shelter | Branford, CT | General purpose | $2,000 |
| Friends of Music | Stamford, NY | General purpose | $2,000 |
| Hobe Sound Nature Center | Hobe Sound, FL | General purpose | $2,000 |
| Legacy Theatre | Branford, CT | General purpose | $2,000 |
| Boys and Girls Club of Stamford | Stamford, CT | General purpose | $1,500 |
| Greenwich Police Scholarship Foundation | Greenwich, CT | General purpose | $1,500 |
| Norwalk Public Schools | Norwalk, CT | General purpose | $1,500 |
| Connecticut Humane Society | Wilton, CT | General purpose | $1,000 |
| Dipg Foundation | Saline, MI | General purpose | $1,000 |
| Greenwich Country Club | Greenwich, CT | General purpose | $1,000 |
| Kids Helping Kids | Stamford, CT | General purpose | $1,000 |
| Suny Maritime Foundation Inc | Bronx, NY | General purpose | $1,000 |
| Tarheel Weimaraner Rescue | Mint Hill, NC | General purpose | $1,000 |
| A New Chance Animal Rescue | Bedford Hills, NY | General purpose | $500 |
| Adopt a Dog | Armonk, NY | General purpose | $500 |
| First Tee of Connecticut | Cromwell, CT | General purpose | $500 |
| Food Rescue US | Stamford, CT | General purpose | $500 |
| Greenwich Symphony Orchestra | Greenwich, CT | General purpose | $500 |
Showing the 60 largest of 64 grants to organizations.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $1,082,650 | 64 |
| 2024 | $889,055 | 65 |
| 2023 | $482,550 | 54 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 11, 2026 - IRS e-file batch, object ID 202611319349100536
- IRS Tax Exempt Organization Search for EIN 20-6382658
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.