Foundations · IRS 990 filings

Foundations in Greenwich, Connecticut

158
foundations with a Greenwich address
$186.6M
grants paid, FY2023–FY2025
25
say they accept unsolicited
$8,750
median grant

Grantlas lists 158 foundations that gave a Greenwich, Connecticut address on their tax filing — 157 private foundations and 1 grantmaking charity — from filings for FY2023–FY2025. Together they paid out $186.6 million in grants in their latest filing year, and 25 of them (16%) say they accept unsolicited requests.

Not every foundation here is a Greenwich foundation. The city is the mailing address on the foundation’s tax filing, and when a bank or a law firm runs the trust that is the bank’s address, not the place it gives to. Check where a foundation gives before you write.

Top 25 of 158 foundations

All 25 foundations below say on their 990-PF that they accept unsolicited requests. Ranked by what they paid in grants in their latest filing.

Foundations in Greenwich, Connecticut
E Matilda Ziegler Foundation for the$3.3M$9.9M$3M–$3.6MFY2024Locked: fit score and contacts
Edward John Noble Foundation Inc$10,000$5M$1,000–$3MFY2024Locked: fit score and contacts
Mulberry Essence Foundation$5,200$3.5M$100–$1.2MFY2024Locked: fit score and contacts
The Elinor Patterson Baker Foundation$2.9M$3M$2.9M–$3MFY2025Locked: fit score and contacts
Dellora A & Lester J Norris Foundation$1.8M$2M$1.6M–$2MFY2025Locked: fit score and contacts
The Riversville Foundation$136,000$1.9M$34,000–$500,000FY2024Locked: fit score and contacts
The Bondi Foundation$25,000$1.8M$5,000–$895,594FY2025Locked: fit score and contacts
Gerda and Ole Skaarup Foundation$1,000$1M$250–$1MFY2025Locked: fit score and contacts
The Shanley Family Foundation$346,000$355,000$337,000–$355,000FY2024Locked: fit score and contacts
Mattis Family Foundation$10,000$280,000$5,000–$100,000FY2025Locked: fit score and contacts
Alexander Host Foundation$1,000$227,725$100–$150,000FY2025Locked: fit score and contacts
Russel R Taylor Foundation$20,000$224,070$5,000–$199,070FY2024Locked: fit score and contacts
Hartong Family Foundation$7,094$222,788$250–$25,000FY2025Locked: fit score and contacts
The Henry Gustav Floren Foundation$15,000$222,730$1,000–$110,000FY2024Locked: fit score and contacts
Robert G Burton Charitable Foundation$5,000$206,500$500–$150,000FY2024Locked: fit score and contacts
The Lynn and Robert Zimmer Family$5,233$106,975$500–$30,000FY2025Locked: fit score and contacts
The Lynn and Robert Zimmer Family$20,000$102,400$400–$50,000FY2025Locked: fit score and contacts
Parkinson Family Foundation$5,000$95,777$1,000–$12,777FY2025Locked: fit score and contacts
If Hummingbird Foundation Inc$1,000$80,220$100–$8,731FY2024Locked: fit score and contacts
The Warren Foundation Inc$2,000$59,850$100–$55,000FY2025Locked: fit score and contacts
Winokur Family Foundation Inc$500$40,450$250–$4,500FY2024Locked: fit score and contacts
The Stephen W Craig Family FoundationInc$38,125$38,125—FY2024Locked: fit score and contacts
Ruth & Robert L Newman Foundation$4,100$27,000$200–$10,000FY2025Locked: fit score and contacts
The Walter and Monica Noel Family$750$20,825$200–$7,500FY2024Locked: fit score and contacts
Pamela Posen Memorial Fund Inc$2,000$7,600$2,000–$3,600FY2024Locked: fit score and contacts
  • Median grant and grant range come from the 990-PF grant schedule; a dash means there is none to report.
  • “One grant” means a schedule with a single grant — no median, nothing to range over. “One amount” means several grants, all the same size.

133 more foundations — see all in Grantlas

Data from 990-PF and Form 990 filings, FY2023–FY2025. Updated November 8, 2026.