AI Summary
The Sidney J. Weinberg Jr. Foundation is a 501(c)(3) grantmaking organization that focuses on philanthropic initiatives through a relationship-based approach, making grants by invitation only. With a total of $5.8 million allocated to 41 grantees in 2024, the foundation does not accept unsolicited proposals. Nonprofits interested in potential funding opportunities can explore warm-introduction pathways via Impala's Funder Prospecting.
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Cause Areas
1
Foundations
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Grantee
Total Funding
Funding Share

CENTRAL PARK CONSERVANCY INC
$3.5M
15%

THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK
$2.6M
11%

Memorial Sloan-Kettering Cancer Center
$2.5M
11%
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Total No. of Grants
32
Median 1st year grant
$40K
Median 2nd year grant
$25K
Top 3 Grants
Matched grants only
Grantee
Grant Size
Frequently Asked Questions
Can I submit an unsolicited grant proposal to THE SIDNEY J WEINBERG JR FOUNDATION?
No. THE SIDNEY J WEINBERG JR FOUNDATION does not accept unsolicited proposals. Funding is by invitation only.
Where does THE SIDNEY J WEINBERG JR FOUNDATION give?
THE SIDNEY J WEINBERG JR FOUNDATION primarily gives to organizations located in New York, Massachusetts, and Connecticut. These states represent the largest share of the foundation’s grantmaking by dollars awarded. Additional geographic details are available to registered users.
What size are THE SIDNEY J WEINBERG JR FOUNDATION’s grants?
The largest share of grants from THE SIDNEY J WEINBERG JR FOUNDATION fall in the $5,000 to $25 thousand range. The median first-year grant is about $40 thousand. More detailed grant size data is available to registered users.
How many grants does THE SIDNEY J WEINBERG JR FOUNDATION make each year?
In 2024, THE SIDNEY J WEINBERG JR FOUNDATION awarded about 30 grants, totaling nearly $5.8 million. More detailed grant metrics are available to registered users.
Who did THE SIDNEY J WEINBERG JR FOUNDATION fund recently?
In 2024, THE SIDNEY J WEINBERG JR FOUNDATION awarded grants to about 40 grantees. Recent grantees include CENTRAL PARK CONSERVANCY INC, THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK, and Memorial Sloan-Kettering Cancer Center. More detailed information on all recent recipients is available to registered users.
How do we apply to THE SIDNEY J WEINBERG JR FOUNDATION?
THE SIDNEY J WEINBERG JR FOUNDATION does not accept unsolicited proposals. Funding is by invitation only.
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