TMT INTERNATIONAL OBSERVATORY LLC
AI Summary
TMT International Observatory LLC is a nonprofit organization focused on advancing astronomy and museum-related initiatives. With an operating budget of $16.4 million and total revenue of $13.2 million for the 2024 filing year, the organization is significantly supported by a major funder contributing approximately $290.8 million. More information about their mission and activities can be found on their website at www.tmt.org.
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Mission Statement
SEE SCHEDULE O
Cause Areas
2
Museums
Astronomy
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Charity Verification Snapshot
IRS EO Business Master File Status
Listed as tax-exempt
IRS Pub 78 Status
Eligible for tax-deductible gifts
IRS Revocation Status
Not in Automatic Revocation of Exemption List
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Funder
Total Funding
Funding Share

Gordon E and Betty I Moore Foundation
Palo Alto, CA, US
$290.8M
< 1%
Frequently Asked Questions
What is TMT INTERNATIONAL OBSERVATORY LLC’s budget?
In 2024, TMT INTERNATIONAL OBSERVATORY LLC reported an annual operating budget of around $16.4 million. More detailed financial information is available to registered users.
What causes does TMT INTERNATIONAL OBSERVATORY LLC support?
TMT INTERNATIONAL OBSERVATORY LLC supports work in Museums and Astronomy.
Where does TMT INTERNATIONAL OBSERVATORY LLC operate?
TMT INTERNATIONAL OBSERVATORY LLC is headquartered in Pasadena, CA.
Who funded TMT INTERNATIONAL OBSERVATORY LLC recently?
In 2015, TMT INTERNATIONAL OBSERVATORY LLC received grants from Gordon E and Betty I Moore Foundation. More information on this organization’s funders is available to registered users.
What is the largest grant TMT INTERNATIONAL OBSERVATORY LLC received in 2015?
The largest grant to TMT INTERNATIONAL OBSERVATORY LLC in 2015 exceeds $1 million.
What is TMT INTERNATIONAL OBSERVATORY LLC’s reliance on government grants?
TMT INTERNATIONAL OBSERVATORY LLC relied on government grants for more than 30% of their total revenue in 2024.
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