GMTO CORPORATION

EIN 26-2637707501(c)(3)Public charityActive

300 N LAKE AVE FL 14, PASADENA, CA · IRS data through FY2025

Total revenue
$46,688,213
FY2025 · +120% vs FY2024
Total expenses
$36,697,172
FY2025
Net assets
$460,625,894
FY2025
Employees
36
FY2025

Revenue, expenses and net assets

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Revenue Expenses Net assets

Tax yearRevenueExpensesNet assets
FY2025$46,688,213$36,697,172$460,625,894
FY2024$21,214,460$46,043,471$450,610,185
FY2023$194,662,618$36,380,093$461,396,549
FY2022$32,220,104$37,165,448$300,937,971
FY2021$8,771,769$34,752,653$295,160,350
FY2020$4,199,536$40,709,497$322,227,494
FY2019$40,599,120$39,820,884$358,230,370
FY2018$10,946,024$38,930,666$351,378,668
FY2017$5,515,656$28,509,469$380,023,475
FY2016$2,528,643$34,995,896$402,989,384
FY2015$347,399,787$16,606,973$435,456,637
FY2014$27,792,782$11,026,348$104,663,823
FY2013$38,140,166$13,476,297$87,897,389
FY2012$20,595,322$7,146,140$63,233,520

Where the revenue came from

SourceAmount% of revenue
Contributions & grants$45,811,364100%
Program service revenue$00%

Where the money was spent

CategoryAmount% of expenses
Program services$28,638,09578%
Management & general$6,260,77517%
Fundraising$1,798,3025%

What the numbers show

Figures compared against other organizations of the same NTEE program area in the same state. See the methodology page for how these are calculated and the guide to reading nonprofit financials for their limits.

About this organization

UNDERTAKE DESIGN, DEVELOPMENT, CONSTRUCTION & OPERATION OF THE GIANT MAGELLAN TELESCOPE.

IRS status

Ruling year2009
Subsection501(c)(3)
ClassificationPublic charity
Program area (NTEE)U31 — Science & Technology
DonationsDonations are generally tax-deductible (public charity).

Similar organizations

Source: Internal Revenue Service — Exempt Organizations Business Master File (downloaded September 20, 2026), Statistics of Income extracts, Form 990 e-file data, Publication 78 and the Automatic Revocation list. Figures are as reported by the organization; IRS processing may adjust them. This is not a charity rating and not tax advice. Confirm deductibility in IRS Tax Exempt Organization Search.

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