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Visit claymath.orgAbout Clay Mathematics Institute Inc
Clay Mathematics Institute Inc is a science technology organization based in DENVER, United States. Annual revenue: $33.1 million. EIN: 134025978.
Verified certifications
Confirmed against the issuing authority - not self-reported.
Focus areas & reach
· What they work on and whereHow it stacks up against peers
· vs. 8 similar science & technology in United StatesConcerns
· None foundGiveRadar Analysis
Original analysis from GiveRadar's dataset of comparable organizations
Based on the records currently verified by GiveRadar, Clay Mathematics Institute Inc has a partial profile, cross-referenced across 5 independent sources including the IRS.
- GiveRadar has cross-referenced this organization across 5 independent sources, led by the IRS - more than 98% of comparable charities. See the sources
- GiveRadar holds 11 years of financial filings for this organization, the most recent for fiscal year 2025 - a deeper filing history than 95% of the 3,236 science & technology charities in the United States with filings on record. See the filings
- GiveRadar holds a more complete profile for this organization than for 91% of the 7,611 science & technology charities in the United States it tracks, because GiveRadar has verified its financial disclosures and its registration. Most of those have little verified data on record yet. View this cohort
- government registration
- financial records (11 filed years)
- disclosed leadership
- a website
- a contact email
- third-party accreditation
- a donation page
- an owner-submitted profile claim
Analysis based on GiveRadar's benchmark dataset of 2026-07-03. It describes what GiveRadar has verified, not a judgment of the organization itself.
Common questions
· Auto-generated from filings + methodologyClay Mathematics Institute Inc is a registered science & technology nonprofit based in Denver, CO, United States. It is registered with the Internal Revenue Service (IRS). Its EIN is 134025978. According to GiveRadar's records, it holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. GiveRadar's Integrity Assessment for the organization is 80/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $8M in annual revenue. No red flags have been detected.
Clay Mathematics Institute Inc's EIN (Employer Identification Number) is 134025978. This is the organization's IRS tax identification number; you can use it to verify tax-exempt status and to look up its Form 990 filings with the IRS.
Clay Mathematics Institute Inc has a GiveRadar Integrity Assessment of 80/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 80 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. For comparison, the average integrity assessment for science & technology charities in United States is 90/100.
Clay Mathematics Institute Inc is located in Denver, CO, United States.
Based on official tax filings, Clay Mathematics Institute Inc has $8M in annual revenue. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.
Clay Mathematics Institute Inc is classified as a Science & Technology organization, registered in United States. It operates as a Private operating foundation (other). By size, it is categorized as a large organization. It has $8M in annual revenue.
No red flags have been detected for Clay Mathematics Institute Inc. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.
According to GiveRadar's records, Clay Mathematics Institute Inc holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. It is registered with the Internal Revenue Service (IRS). GiveRadar provides data for research and does not endorse any organization. A GiveRadar Integrity Assessment reflects how much public data is available, not whether an organization is safe to donate to, so it is always smart to do your own research before giving.
Clay Mathematics Institute Inc is a science technology organization based in DENVER, United States. Annual revenue: $33.1 million. EIN: 134025978. Clay Mathematics Institute Inc is classified as a science & technology organization registered in United States.
Among science & technology charities registered in United States: Its annual revenue of $8M is comparable to the peer average of $15M.
Yes, donations to Clay Mathematics Institute Inc are generally tax-deductible in the United States. Clay Mathematics Institute Inc is a 501(c)(3) tax-exempt organization. Its EIN is 134025978, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.
Filing history
10 years on file from IRS 990 (FY2025): revenue, expenses, program spending, assets, and liabilities by fiscal year.
See 5 years of revenue, expense breakdowns, and balance sheet.
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Tax-deductibility for donors
Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.
CLAY MATHEMATICS INSTITUTE INC is registered in United States. Donations from the Netherlands to charities outside the EU/EEA are generally not tax-deductible for Dutch donors unless the charity is listed on the Dutch ANBI register with foreign-recognized status.
Always confirm tax treatment with the charity directly or your tax advisor before donating.
Leadership
From FY2025 filing
Officers & trustees (1)
Source: Public filings
1 officers and trustees on file - free with a GiveRadar account.
Latest news
From global news sources
3 articles found
From news sources and the organization. Shown for transparency; news never affects the integrity score.
Activity timeline
Filings and press mentions, merged
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Sign up to write a reviewCause areas in United States
How many charities work in each area, with this charity's area highlighted.
Most common causes in United States
Causes charities work on most.
Sources and verification
- Registration and legal identity
- Internal Revenue Service (IRS) - Tax Exempt Organization Search
- Financial filings
- IRS Form 990 filings - Fiscal year 2025 most recent on file.
- Officers and trustees
- Internal Revenue Service (IRS) - Tax Exempt Organization Search - 2 disclosed in the public registry.
- News and media coverage
- GDELT Project + Google News
- Supplementary verification
- ProPublica Nonprofit Explorer
- Supplementary verification
- Charity Navigator
Data freshness
What we know and don't know
Exactly which public data we hold on this charity. Our score reflects transparency, not impact.
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Financial data · FY2025 on record
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Named leadership · 2 officers on file
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Government registration · Registered with an official registry
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Official website · On record
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Headquarters address · On file
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Direct contact · Email or phone published
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Tax-deductibility · Verified
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Executive payTop-officer pay not disclosed
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Mission statementNo self-published statement of purpose
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Programs & activitiesNo named programs listed by the charity
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Founding dateYear founded not on file
Methodology
GiveRadar builds each profile primarily from official government charity registries, supplemented where available by third-party nonprofit databases and news archives, and combines it into a single 0-100 integrity assessment. The exact sources for this charity are listed above. We don't take a cut of any donation, ever.
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Quick facts about Clay Mathematics Institute Inc
- What is Clay Mathematics Institute Inc?
- Clay Mathematics Institute Inc is a science & technology private operating foundation (other) based in Denver, United States. Clay Mathematics Institute Inc is a science technology organization based in DENVER, United States. Annual revenue: $33.1 million. EIN: 134025978.
- Who leads Clay Mathematics Institute Inc?
- Andrew Walker serves as Chief Admin Officer.
- Where is Clay Mathematics Institute Inc located?
- Headquartered in Denver, CO, United States.
- What is Clay Mathematics Institute Inc's annual budget?
- Annual revenue for fiscal year 2025 is approximately $1M-$10M.
- Is Clay Mathematics Institute Inc trustworthy?
- Clay Mathematics Institute Inc has a GiveRadar Integrity Assessment of 80 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
- What is Clay Mathematics Institute Inc's registration number?
- IRS EIN: 134025978.
- What is Clay Mathematics Institute Inc's website?
- http://claymath.org