Mayville Engineering Company, Inc. (MEC)
METAL FORGINGS & STAMPINGS
Mayville Engineering Company, Inc. (MEC) is listed on the New York Stock Exchange, where it has traded since May 9, 2019.
- Listed On
- the New York Stock Exchange
- Listed Since
- May 9, 2019
- Employees
- 2,400
- Market Cap
- $376M
About Mayville Engineering Company, Inc.
Mayville Engineering Co Inc is involved in a manufacturing partner providing a full suite of manufacturing solutions from concept to production, including design, prototyping and tooling, fabrication, aluminum extrusion, coating, assembly, and aftermarket components. Its customers operate in diverse end markets, including heavy- and medium-duty commercial vehicles, construction, powersports, agriculture, military, and other end markets. Its services comprise stamping, shearing, fiber laser cutting, forming, drilling, tapping, grinding, tube bending, machining, welding, assembly, and logistic services.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 150 institutions reported holding MEC, with 21.2 million shares worth $790.6 million in aggregate. The largest reported holder was Portolan Capital Management, with 1.3 million shares worth $48.7 million. Of the 5 largest holders listed below, 4 added shares and 1 reduced its position during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| Portolan Capital Management | 1,299,256 | $49M | Added 58.23% |
| FMR | 1,280,170 | $48M | Added 29943.89% |
| BlackRock | 1,183,443 | $44M | Added 34.2% |
| Allspring Global Investments Holdings | 1,072,916 | $38M | Reduced 46.36% |
| Vanguard | 948,711 | $36M | Added 23.56% |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is MEC?
Mayville Engineering Company, Inc. (MEC) is listed on the New York Stock Exchange, where it has traded since May 9, 2019.
Who are the largest institutional holders of MEC?
In 13F filings for the quarter ended June 30, 2026, the largest reported holders of MEC were Portolan Capital Management, FMR and BlackRock.
How many institutions own MEC?
150 institutions reported a position in MEC for the quarter ended June 30, 2026, worth $790.6 million in total.
Did institutions buy or sell MEC last quarter?
Of the 5 largest reported holders, 4 added shares and 1 reduced its position during the quarter. Every reported holder and its change is on the SentiSense ownership page for MEC.
Every reported institutional holder, plus insider and congressional trades in MEC, on SentiSense.