Gyroid Foundation
Gyroid Foundation is a private foundation focused on Science & Technology, based in Renton, WA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $3K in total assets. In 2025, it awarded 1 grant totaling $300.
Gyroid Foundation at a glance
In short: Gyroid Foundation gave $300 across 1 grant in 2025 (avg $300), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $300
- -47.8% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $300
- -47.8% vs 2024
- Median grant
- $300
- Total assets
- $3,228
- -26.0% vs 2024
- Primary geography
- California (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Gyroid Foundation funds
How this funder distributes its grants
Grant Size Distribution
4 grants across all recorded years
The most common grant size was under $50K: 4 grants of 4 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
Cities
How Gyroid Foundation gives
- Giving fell 40% from 2022 to 2025. Method
- In 2024 it paid out 387% of its IRS minimum distribution (the 5% rule). 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 2020 to 2025, annual grant giving ranged from $119 (2021) to $575 (2024). In 2025 it made 1 grant totaling $300.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| 1 grant to individuals Recipients not named | — | $300 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Distributable Amount |
|---|---|---|---|---|---|---|---|
| 2025 | $3,228 | — | $1,136 | $300 | 1 | $300 | — |
| 2024 | $4,364 | — | $1,955 | $575 | 1 | $1,173 | $303 |
| 2023 | $6,319 | — | $1,893 | — | — | $507 | $343 |
| 2022 | $7,705 | $3,166 | $4,252 | $501 | 1 | $4,252 | $406 |
| 2021 | $8,791 | — | $968 | $119 | 1 | $587 | $449 |
| 2020 | $9,759 | $10,812 | $1,053 | $560 | 1 | — | $41 |
Leadership & Key People
Officers and directors from IRS filings
Gyroid Foundation is led by Martha Dunham, President on every filing since 2020; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Martha Dunham
President
On filings since 2020
2 hrs/week
No compensation reported
Rainer Glaser
Director
On filings since 2020
1 hr/week
No compensation reported
Stephen Johnson
Director
On filings since 2020
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "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 Gyroid Foundation
How much does Gyroid Foundation give each year?
Gyroid Foundation gave $300 across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $575 across 1 grant.
How large is Gyroid Foundation?
Gyroid Foundation reported $3K in total assets on its 2025 IRS Form 990-PF.
What is Gyroid Foundation?
Gyroid Foundation is a private foundation focused on Science & Technology, based in Renton, WA. It holds $3K in total assets as of 2025.
Where does Gyroid Foundation operate?
Gyroid Foundation has awarded grants in California, Illinois, Massachusetts.
What is Gyroid Foundation's EIN?
Gyroid Foundation's EIN (Employer Identification Number) is 85-3903837. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 14, 2026)
- IRS filings on file for fiscal years 2020–2024
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Figures come from Gyroid Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
Gyroid Foundation down — hundreds of funders to go?