The Stewart & Constance Greenfield
EIN 066301506
Possibly inactive.
Last 990-PF filing on record is from 2023
(3 years ago). This foundation may have filed its
final return or ceased operations — verify before investing time in an application.
Total Given 2016–2023
$2.3M
401 grants · $293K avg/year
based on 8 yrs of IRS 990-PF records on file
$100K+/yr
local funder
capacity
$1K
typical micro grants · $250–$2K
grant size
74%
deep partner · 106/143 multi-year
repeat
$1.2M
Assets (2023)
143
Distinct Recipients
Application Information
Accepts Unsolicited Proposals
No — Preselected Only
Phone
(203) 226-9332
Financial Trends
Giving Over Time
Total Assets Over Time
View financial data as table
| Year | Total Giving | Total Assets | Revenue | Grants |
|---|---|---|---|---|
| 2016 | $205K | $3.3M | $30K | 55 |
| 2017 | $272K | $3.3M | $118K | 79 |
| 2018 | $255K | $2.8M | $656K | 79 |
| 2019 | N/A | $2.8M | $156K | N/A |
| 2020 | $204K | $2.6M | $-20K | 60 |
| 2021 | $210K | $2.5M | $30K | 63 |
| 2022 | $194K | $2.2M | $103K | 64 |
| 2023 | $1.0M | $1.2M | $637K | 1 |
Grant Size Distribution
Based on 401 grants on record
Minimum
$50
25th Pctl
$250
Median
$1K
Average
$6K
75th Pctl
$2K
Maximum
$1.0M
Geographic Distribution
Officers & Directors
SG
Stewart H Greenfield
8+ yrs
Trustee
EG
Ed Glassmeyer
Trustee
AK
Arthur Kirschenbaum
Trustee
SG
Stewart H Greenfield
8+ yrs
Trustee
SG
Stewart H Greenfield
8+ yrs
Trustee
SG
Stewart H Greenfield
8+ yrs
Trustee
SG
Stewart H Greenfield
8+ yrs
Trustee
SG
Stewart H Greenfield
8+ yrs
Manager
SG
Stewart H Greenfield
8+ yrs
Manager
SG
Stewart H Greenfield
8+ yrs
Manager
Grants Awarded (401 total)
| Purpose | ||||
|---|---|---|---|---|
| The Nature Conservancy | Arlington, VA | $1,000,000 | GENERAL SUPPORT | 2023 |
| Nature Conservancy | Arlington, VA | $50,000 | SUPPORT | 2018 |
| Nature Conservancy in Ct | Arlington, VA | $50,000 | SUPPORT | 2020 |
| Nature Conservancy in Ct | Arlington, VA | $50,000 | SUPPORT | 2021 |
| Yale University School of Medicine | New Haven, CT | $50,000 | SUPPORT | 2021 |
| The Nature Conservancy of Ct | Arlington, VA | $50,000 | SUPPORT | 2017 |
| Yale University | New Haven, CT | $40,000 | SUPPORT | 2018 |
| Yale University School of Medicine | New Haven, CT | $40,000 | SUPPORT | 2020 |
| Yale University | New Haven, CT | $40,000 | SUPPORT | 2016 |
| Yale University | New Haven, CT | $40,000 | SUPPORT | 2017 |
| Nature Conservancy (National) | Arlington, VA | $25,000 | SUPPORT | 2022 |
| Nature Conservancy in Ct | Arlington, VA | $25,000 | SUPPORT | 2022 |
| The Nature Conservancy of Ct | Arlington, VA | $25,000 | SUPPORT | 2016 |
| Kauffman Fellows | Austin, TX | $20,000 | SUPPORT | 2022 |
| Bridgeport Hospital Foundation | Bridgeport, CT | $20,000 | SUPPORT | 2022 |
| Westport Public Library Association | Westport, CT | $15,000 | SUPPORT | 2018 |
| Save the Sound | New Haven, CT | $15,000 | SUPPORT | 2021 |
| Mount Holyoke College | South Hadley, MA | $11,000 | SUPPORT | 2016 |
| Bridgeport Hospital Foundation | Bridgeport, CT | $10,000 | SUPPORT | 2018 |
| Ct Fund for the Environment | Rockfall, CT | $10,000 | SUPPORT | 2018 |
| Ctlcv Education Fund | Hartford, CT | $10,000 | SUPPORT | 2018 |
| Mount Holyoke College | South Hadley, MA | $10,000 | SUPPORT | 2018 |
| Santa Fe Institute | Santa Fe, NM | $10,000 | SUPPORT | 2018 |
| Wholesome Wave Foundation | Bridgeport, CT | $10,000 | SUPPORT | 2018 |
| Mount Holyoke College | South Hadley, MA | $10,000 | SUPPORT | 2022 |