Gmto Corporation
Gmto Corporation reported $46.7 million in revenue and $36.7 million in expenses for the fiscal year ending June 30, 2025. Of every $100 it spent, $78.04 went to program services, $17.06 to management and general costs and $4.90 to fundraising. Its largest source of revenue was contributions and grants: 98.1% of the total. Government grants made up 12.5%. The highest compensation it reported for one person was $608,953 (PRESIDENT). 77 people received more than $100,000 in reportable compensation. Revenue rose 1012% between FY2020 and FY2025. Source: Form 990, FY2025.
Where $100 of spending went
The fiscal year ending June 30, 2025 · Form 990, Part IX, line 25 · total expenses $37MFor context, the median across 192 covered science & technology charities: $84.33 programs, $15.67 management, $0.00 fundraising (medians computed separately, so they may not sum to $100).
Where $100 of revenue came from
The fiscal year ending June 30, 2025 · Form 990, Part VIII · total revenue $47MThe 990 scorecard · same measures for every charity, no grades
| Measure | FY2025 | Median |
|---|---|---|
| Program services Part IX 25(B) ÷ 25(A) | 78.0% | 83.2% |
| Management & general Part IX 25(C) ÷ 25(A) | 17.1% | 15.5% |
| Fundraising Part IX 25(D) ÷ 25(A) | 4.9% | 0.0% |
| Fundraising cost per $1 of contributions Part IX 25(D) ÷ Part VIII 1h | $0.04 | $0.00 |
| Contributions & grants share of revenue Part VIII 1h ÷ 12 | 98.1% | 51.6% |
| Government grants share of revenue Part VIII 1e ÷ 12 | 12.5% | 3.2% |
| Program service revenue share Part VIII 2g ÷ 12 | 0.0% | 19.2% |
| Highest reported compensation Part VII-A, columns D–F | $608,953 | $513,729 |
| Highest compensation as share of expenses Part VII-A ÷ Part IX 25(A) | 1.66% | 1.72% |
| People paid over $100,000 Part VII, line 2 | 77 | 27 |
| Net assets, in months of expenses Part X 33(B) ÷ monthly expenses | 150.6 | 14.7 |
| Independent voting board members Part VI 1a–1b | 16 of 16 | 94.3% |
A median is context, not a target: hospitals, universities, food banks and grantmakers spend in very different ways. What these measures can and can't tell you.
What the money paid for, in its own words
FY2025 · Form 990, Part III · the three largest programs by expenseThe purpose of the corporation is to undertake the design, development, construction and operation of the giant magellan telescope ("gmt"), a state-of-the-art next generation astronomical telescope, as a collaborative effort between universities and research organizations. All contributions and all expenses are geared toward the fulfillment of that purpose. During the fiscal year ending june 30, 2025, gmto received official notice from the national science foundation that the gmt was approved to advance into the final design phase. Gmto also continued on the work on its primary mirror…
Highest reported compensation
FY2025 · Form 990, Part VII, Section A · roles as filed; names are in the filing, not here| Role | From this org | From related orgs | Other | Total |
|---|---|---|---|---|
| PRESIDENT Officer, 40.00 hrs/week | $518,846 | $0 | $90,107 | $608,953 |
| PROJECT MANAGER Key employee, 40.00 hrs/week | $314,699 | $0 | $77,299 | $391,998 |
| CHIEF SCIENTIST Highest compensated employee, 40.00 hrs/week | $311,880 | $0 | $69,137 | $381,017 |
| CFO & VP OF BUSINESS OPERATIONS Officer, 40.00 hrs/week | $284,799 | $0 | $88,769 | $373,568 |
| VP FOR LEGAL AFFAIRS & GEN. COUNSEL Officer, 40.00 hrs/week | $268,511 | $0 | $95,063 | $363,574 |
| DEPUTY PROJECT MANAGER Key employee, 40.00 hrs/week | $265,097 | $0 | $96,495 | $361,592 |
| DEPT. OPTICS & OPTICAL METROLOGY MGR Highest compensated employee, 40.00 hrs/week | $251,349 | $0 | $88,926 | $340,275 |
| SITE, ENCLOSURE, FACILITIES MGR Highest compensated employee, 40.00 hrs/week | $251,603 | $0 | $63,184 | $314,787 |
77 people received more than $100,000 in reportable compensation from Gmto Corporation (Part VII, line 2). Compensation of current officers, directors and key employees totaled $2.1M (Part IX, line 5).
6 years of filings
Form 990, Parts I, VII, IX and X · each row is that year's own filing, linkedGovernance answers, as filed
FY2025 · the organization's own yes/no answers; explanations, if any, are in Schedule O of the filing · what each means- Voting board members, and how many are independent Part VI, lines 1a–1b16 · 16 independent
- Audited financial statements Part XII 2bYes
- Conflict-of-interest policy Part VI 12aYes
- Whistleblower policy Part VI 13Yes
- Document retention policy Part VI 14Yes
- Independent process for top executive pay Part VI 15aYes
- Board given the 990 before filing Part VI 11aYes
- Family or business ties among insiders Part VI 2No
- Aware of a significant diversion of assets Part VI 5No
- Excess benefit transaction with an insider Part IV 25aNo
- Loans to or from insiders outstanding Part IV 26No
- Lobbying, or a 501(h) election in effect Part IV 4Yes
- Over $15,000 of professional fundraising services Part IV 18No
- Over $10,000 of activity outside the U.S. Part IV 14bYes
- Employees Part I, line 594
- Volunteers Part I, line 616
Largest outside contractors
FY2025 · Form 990, Part VII, Section B · businesses only| INGERSOLL MACHINE TOOLS INC Engineeering | $7,274,335 |
| UNIVERSITY OF ARIZONA Mirror fabrication | $3,517,328 |
| OHB DIGITAL CONNECT GMBH Engineering | $3,322,387 |
| IDOM CONSULTING ENGINEERING ARCHITECTURE Architectural & engineering service | $1,528,279 |
| AD OPTICA CONSORTIUM Fabrication and testing | $1,200,196 |
Individuals listed as contractors are left out. 23 contractors were paid more than $100,000 in all.
Correct a figure or respond
Every number above is copied from Gmto Corporation's own Form 990. If one doesn't match the filing, that's our error and we'll fix it. If you work for Gmto Corporation, you can publish a response that is linked from this page.
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Of every $100 Gmto Corporation spent in FY2025, $78.04 went to programs. The full breakdown, from its IRS Form 990:
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Questions people ask
How much of Gmto Corporation's spending goes to programs?
In the fiscal year ending June 30, 2025, Gmto Corporation reported that 78.0% of its $36.7 million in expenses went to program services, 17.1% to management and general and 4.9% to fundraising (Form 990, Part IX).
How much does Gmto Corporation pay its top executive?
The largest total compensation Gmto Corporation reported for one person in the fiscal year ending June 30, 2025 was $608,953, for the role of PRESIDENT (Form 990, Part VII, including compensation from related organizations and other compensation).
Where does Gmto Corporation get its money?
Of $46.7 million in revenue in the fiscal year ending June 30, 2025, 98.1% came from contributions and grants (including 12.5% from government grants) and 0.0% from program service revenue (Form 990, Part VIII).
Is Gmto Corporation a registered charity?
The IRS lists EIN 26-2637707 as a 501(c)(3) organization (publicly supported organization (170(b)(1)(a)(vi))), and its records show contributions as tax-deductible. Form 990 filings on record here cover tax years 2019, 2020, 2021, 2022, 2023, 2024. A filing shows what the organization reported; it doesn't by itself show whether a program works.
Sources
- FY2025: Form 990 for the fiscal year ending June 30, 2025, object 202621339349307442 · read the filing
- FY2024: Form 990 for the fiscal year ending June 30, 2024, object 202531299349304278 · read the filing
- FY2023: Form 990 for the fiscal year ending June 30, 2023, object 202421359349309122 · read the filing
- FY2022: Form 990 for the fiscal year ending June 30, 2022, object 202311359349308121 · read the filing
- FY2021: Form 990 for the fiscal year ending June 30, 2021, object 202211339349303821 · read the filing
- FY2020: Form 990 for the fiscal year ending June 30, 2020, object 202121349349306057 · read the filing
All filings for EIN 26-2637707: ProPublica Nonprofit Explorer · IRS Tax Exempt Organization Search. Figures are as the organization reported them; we have not audited them.