TMT Observatory Corporation

Analysis

TMT Observatory Corporation is a registered charity in United States, based in Monrovia, CA. It received its IRS tax-exemption ruling in August 2004, 22 years ago. Its declared purposes cover science and technology, which this site groups under arts, culture, heritage and science. The IRS classifies it as a supporting organisation (type i) under section 501(c)(3), and contributions to it are listed as tax-deductible.

In the financial year ending September 2023, TMT Observatory Corporation reported income of $94k and spending of $67k, leaving 29% of income unspent that year. Across the 5 years on record, from September 2019 to September 2023, income fell from $251k to $94k (-62%), an average of -22% a year. The sharpest change came in the year to September 2023, when income rose by 391%. Over the whole period it spent 167% of the income it received.

Among 45,478 United States charities whose main cause is arts, culture, heritage and science and that reported income, TMT Observatory Corporation sits at the 40th percentile: it is larger than about 40% of them. Against every charity in United States with reported income it ranks in the 35th percentile, and in the 38th percentile within CA. Charities of a similar size with the same main cause include Society of American Magicians Magic Endowment Fund Inc ($94k), Cave House Museum of Mining and Geology ($94k) and Greene County Council on the Arts ($94k).

Other salaries and wages came to $6,000. At year end it held assets of $3.2m against liabilities of $170k, net assets of $3.0m. It reported 5 employees.