Mayville Engineering Company, Inc.
Mayville Engineering Company, Inc. (NYSE: MEC) is a U.S.-based, vertically integrated manufacturing partner that supplies engineered components and production solutions to original equipment manufacturers. Its services span product design and prototyping, tooling, metal fabrication and stamping, aluminum extrusion,… From the company’s description.
Over the twelve months to Sep 30, 2026, Mayville Engineering Company, Inc. reported revenue of $612.39M, up 14.8% from a year earlier, and a net loss of $14.20M. Its operating margin was −1.4%, and operations generated $16.38M in cash. In fiscal 2025, it reported revenue of $546.49M, down 6.0% from fiscal 2024, and a net loss of $8.11M.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What Mayville Engineering Company, Inc. does
In the company’s own words
Mayville Engineering Company, Inc. (NYSE: MEC) is a U.S.-based, vertically integrated manufacturing partner that supplies engineered components and production solutions to original equipment manufacturers. Its services span product design and prototyping, tooling, metal fabrication and stamping, aluminum extrusion, tube forming, welding, coatings, assembly, logistics and aftermarket components. Customers operate in heavy- and medium-duty commercial vehicles, construction and access equipment, powersports, data center and critical power, agriculture, military and other markets. MEC reports its operations as one business, serving customers through 27 U.S. facilities, 25 of which are operational, with approximately 3.5 million square feet of manufacturing capacity. It had approximately 2,400 full-time employees as of December 31, 2025. Founded in 1945, the company has expanded its capabilities and customer relationships over its history, including through acquisitions; in 2025, it acquired Accu-Fab and restructured capabilities following the transaction. Its website is www.mecinc.com.
Company details
- Sector
- Industrials
- Industry (SIC)
- Fabricated Metal
- Headquarters
- MAYVILLE, WI
- Fiscal year end
- December
- CIK
- 1766368
- SIC
- 3460
Financial performance, year by year
Fiscal 2019–2025 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns Mayville Engineering Company, Inc. — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Superinvestors in Mayville Engineering Company, Inc. · what they did last quarter
Share of each manager’s reported 13F portfolio. Change is in shares held, since the previous quarter.
Largest fund holders · Mayville Engineering Company, Inc.’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Fund ownership is a subset of institutional 13F ownership — the two describe overlapping populations and must not be added together.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
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