Mathhappens Foundation
Mathhappens Foundation is a private foundation focused on Education, based in Austin, TX. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $2.9M in total assets. In 2024, it awarded 6 grants totaling $32K. Net investment income was $100K.
Mathhappens Foundation at a glance
In short: Mathhappens Foundation gave $32K across 6 grants in 2024 (avg $5K), top state California. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $31,600
- +18.4% vs 2023
- Grants made (2024)
- 6
- +0.0% vs 2023
- Average grant
- $5,267
- +18.4% vs 2023
- Median grant
- $1,450
- Total assets
- $2,871,534
- -17.3% vs 2023
- Primary geography
- California (46% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated September 2026.
Who Mathhappens Foundation funds
How this funder distributes its grants
Top Recipients
Top 6 recipients in 2024
The largest 2024 recipient was Social and Environmental Entrepreneurs ($14K). Together the top 6 received $32K.
Grant Size Distribution
28 grants across all recorded years
The most common grant size was under $50K: 28 grants of 28 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 6 itemized grants.
Cities
How Mathhappens Foundation gives
- Giving grew 140% from 2021 to 2024. Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2021 to 2024, annual grant giving ranged from $13K (2021) to $60K (2022). In 2024 it made 6 grants totaling $32K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Social and Environmental Entrepreneurs Calabasas, CA | $4,800 of the funding helped supply both durable and consumable materials to provide interactive models for attendees at math festivals in six title 1 schools in the san jose, ca area and $9,600 funded another 12 math festivals. Mathhappens foundation funded a total of 18 math festivals. They are free, non-competitive math festivals where students explore math through hands-on puzzles, games, and problem-solving activities. | $14,400 |
| Summ (Matheatre) Cheyenne, WY | Funded a haunted house-inspired educational experience to create a community event where live theater is used to tell stories that inspire excitement about math. Participants used math to overcome scary obstacles during this interactive event in seattle, wa in october 2024. | $13,000 |
| Austin Museum Partnership Austin, TX | Austin museum partnership $1,500 - austin museum day, 9/22/2024, was a free, city-wide cultural event coordinated by the austin museum partnership where museums and cultural institutions around the austin, tx area open their doors to the public with no admission charge. | $1,500 |
| Mathematical Association of America Washington, DC | Maa mathfest is a major professional conference in indianapolis, in with the goal of advancing mathematics education, scholarship, and community. It is designed for mathematicians (researchers and educators), college and university faculty, graduate and undergraduate students, mathematics enthusiasts, teachers, and professionals. Funding was used to assist in logistics during the event, august 7-10, 2024. | $1,400 |
| National Center for Family Philanthropy Washington, DC | This was a cash donation to NCFP which exists to equip and activate family philanthropies so they can give in ways that are informed, intentional, generationally connected, and socially meaningful. The headquarters of the national center for family philanthropy (NCFP) is in washington, d.c | $1,000 |
| Benjamin Banneker Association Houston, TX | Support of the benjamin banneker association's educator awards banquet that took place on 9/27/24, in chicago, il during the 2024 nctm (national council of teachers of mathematics) annual meeting & exposition. | $300 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income |
|---|---|---|---|---|---|---|---|
| 2024 | $2,871,534 | $63,210 | $662,442 | $31,600 | 6 | $419,373 | $100,423 |
| 2023 | $3,471,895 | $202,306 | $575,135 | $26,693 | 6 | $278,364 | $88,926 |
| 2022 | $3,854,284 | $503,740 | $412,964 | $59,941 | 14 | $274,133 | $502,980 |
| 2021 | $3,744,007 | $931,142 | $382,927 | $13,160 | 2 | $328,469 | $928,161 |
| 2020 | $3,192,665 | $2,022,639 | $673,158 | — | — | — | $2,017,078 |
Leadership & Key People
Officers and directors from IRS filings
Mathhappens Foundation is led by Lauren Siegel, President, Secretary & Director on every filing since 2020; none of the 4 officers listed in 2024 report compensation.
Officers on the 2024 filing
Lauren Siegel
President, Secretary & Director
On filings since 2020
10 hrs/week
No compensation reported
Alexander W. Siegel
Director
On filings since 2020
2 hrs/week
No compensation reported
Matthew B. Siegel
Director
On filings since 2020
2 hrs/week
No compensation reported
Philip Siegel
Vice President, Treasurer & Director
On filings since 2020
5 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Mathhappens Foundation
How much does Mathhappens Foundation give each year?
Mathhappens Foundation gave $32K across 6 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $27K across 6 grants.
What is Mathhappens Foundation's typical grant size?
Mathhappens Foundation's median grant in 2024 was $1,450, and its average grant was $5,267, across 6 grants on its 2024 IRS Form 990-PF.
Where does Mathhappens Foundation give grants?
Mathhappens Foundation's top state is California, with 46% of the grant dollars itemized on its 2024 IRS Form 990-PF. The next largest states were Wyoming (41%) and District of Columbia (8%). The most frequent recipient cities were Washington, DC (2 grants).
Does Mathhappens Foundation give general operating support?
Not in 2024: none of the 6 grants with a stated purpose on Mathhappens Foundation's 2024 IRS Form 990-PF were described as general or operating support.
Who are Mathhappens Foundation's largest grantees?
Mathhappens Foundation's largest 2024 grantees include Social and Environmental Entrepreneurs ($14,400), Summ (Matheatre) ($13,000) and Austin Museum Partnership ($1,500), according to its 2024 IRS Form 990-PF. Together they received 91% of its itemized 2024 grant dollars.
How large is Mathhappens Foundation?
Mathhappens Foundation reported $2.9M in total assets on its 2024 IRS Form 990-PF. Its revenue that year was $63K.
What is Mathhappens Foundation?
Mathhappens Foundation is a private foundation focused on Education, based in Austin, TX. It holds $2.9M in total assets as of 2024.
What is Mathhappens Foundation's EIN?
Mathhappens Foundation's EIN (Employer Identification Number) is 47-1670799. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS November 12, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 15, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 15, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS November 15, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS February 2, 2026)
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in Mathhappens Foundation's focus areas in our free grants database
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