AI Summary
The Mathenaeum Foundation is a 501(c)(3) grantmaking organization that focuses on supporting nonprofits through an invitation-only, relationship-based engagement model. In 2024, the foundation distributed a total of $533.6K across 25 grantees, and it does not accept unsolicited proposals. Nonprofits interested in potential funding opportunities are encouraged to explore warm-introduction pathways via Impala's Funder Prospecting.
Was this helpful?
This summary is AI-generated from ChatGPT. It’s meant to be helpful, but isn’t always perfect.
Cause Areas
1
Foundations
Explore this org's ecosystem
See top causes for this funder's grantees, who else funds them, and their grants.
Learn about Ecosystems


Explore this org's ecosystem
See top causes for this funder's grantees, who else funds them, and their grants.
Learn about Ecosystems
Grantee
Total Funding
Funding Share
SEATTLE UNIVERSAL MATH MUSEUM
Seattle, WA
$358K
17%

SOCIETY FOR SCIENCE & THE PUBLIC
Washington, DC
$216K
10%
STONY BROOK FOUNDATION INC
STONY BROOK, NY
$140K
7%
Evaluate your own portfolio
Understand the health of your own grantees and uncover signs of risk.


Evaluate your own portfolio
Understand the health of your own grantees and uncover signs of risk.
Total No. of Grants
12
Median 1st year grant
$43K
Median 2nd year grant
$60K
Top 3 Grants
Matched grants only
Grantee
Grant Size
Frequently Asked Questions
Can I submit an unsolicited grant proposal to The Mathenaeum Foundation?
No. The Mathenaeum Foundation does not accept unsolicited proposals. Funding is by invitation only.
Where does The Mathenaeum Foundation give?
The Mathenaeum Foundation primarily gives to organizations located in Washington, District Of Columbia, and New York. 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 Mathenaeum Foundation’s grants?
The largest share of grants from The Mathenaeum Foundation fall in the $50 thousand to $100 thousand range. The median first-year grant is about $43 thousand. More detailed grant size data is available to registered users.
How many grants does The Mathenaeum Foundation make each year?
In 2024, The Mathenaeum Foundation awarded about 10 grants, totaling nearly $534 thousand. More detailed grant metrics are available to registered users.
Who did The Mathenaeum Foundation fund recently?
In 2024, The Mathenaeum Foundation awarded grants to about 30 grantees. Recent grantees include SEATTLE UNIVERSAL MATH MUSEUM, SOCIETY FOR SCIENCE & THE PUBLIC, and STONY BROOK FOUNDATION INC. More detailed information on all recent recipients is available to registered users.
How do we apply to The Mathenaeum Foundation?
The Mathenaeum Foundation does not accept unsolicited proposals. Funding is by invitation only.
Copyright 2026. All rights reserved to Chario Inc. (d.b.a. Impala)