Mayville Engineering Company Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NYSE:MEC Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
26 May 26	SellUS$520,000	Ryan Raber	Individual	20,000	US$26.00
21 May 26	SellUS$92,960	Craig Nichols	Individual	4,000	US$23.24
05 Mar 26	SellUS$176,164	Sean Leuba	Individual	9,198	US$20.07
11 Dec 25	SellUS$191,100	Steven Fisher	Individual	10,000	US$19.14
25 Nov 25	SellUS$250,188	Ryan Raber	Individual	15,000	US$16.69
11 Aug 25	BuyUS$6,780	Sean Leuba	Individual	500	US$13.56
08 Aug 25	BuyUS$19,712	Rachele Lehr	Individual	1,400	US$14.08
07 Aug 25	BuyUS$105,450	Jagadeesh Reddy	Individual	7,500	US$14.06

Insider Trading Volume

Insider Buying: MEC insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of MEC?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	1,873,089	7.16%
Employee Share Scheme	3,998,956	15.3%
General Public	5,631,460	21.5%
Institutions	14,642,501	56%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 27.8%.

Top Shareholders

Top 25 shareholders own 61.93% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
8.15%	Mayville Engineering Company, Inc. 401(K) Plan	2,129,866	US$70.8m	6.92%	no data
7.65%	Allspring Global Investments, LLC	2,000,350	US$66.5m	-2.55%	0.09%
7.15%	Mayville Engineering Company, Inc. Esop	1,869,090	US$62.1m	-45.7%	no data
3.81%	Mikhail Stiskin	995,756	US$33.1m	0%	no data
3.54%	Dimensional Fund Advisors LP	926,216	US$30.8m	5.59%	no data
3.37%	BlackRock, Inc.	881,854	US$29.3m	1.88%	no data
3.14%	Portolan Capital Management, LLC	821,136	US$27.3m	60.1%	1.07%
2.87%	Royce & Associates, LP	751,001	US$25.0m	20.3%	0.2%
2.37%	EVR Research LP	620,000	US$20.6m	2.48%	10.29%
2.28%	Vanguard Capital Management, LLC	594,938	US$19.8m	0%	no data
2.16%	William Blair Investment Management, LLC	565,300	US$18.8m	-3.16%	0.02%
1.55%	First Eagle Investment Management, LLC	404,075	US$13.4m	12.9%	0.01%
1.48%	Granahan Investment Management, LLC	387,470	US$12.9m	44.7%	0.5%
1.46%	Millennium Management LLC	380,972	US$12.7m	149%	0.01%
1.35%	Columbia Management Investment Advisers, LLC	351,790	US$11.7m	0.27%	no data
1.32%	Bridgeway Capital Management, LLC	345,996	US$11.5m	2.01%	0.14%
1.28%	Geode Capital Management, LLC	335,835	US$11.2m	2.1%	no data
1.09%	State Street Global Advisors, Inc.	285,850	US$9.5m	0.3%	no data
1.03%	Silvercrest Asset Management Group LLC	269,681	US$9.0m	49.9%	0.06%
0.96%	Alan Weber	250,512	US$8.3m	0%	1.3%
0.89%	Boston Partners Global Investors, Inc.	232,637	US$7.7m	4.45%	no data
0.85%	American Century Investment Management Inc	221,673	US$7.4m	-21.1%	no data
0.81%	Roubaix Capital, LLC	210,657	US$7.0m	44%	2.52%
0.71%	Arrowstreet Capital, Limited Partnership	185,261	US$6.2m	-35.8%	no data
0.66%	Todd Butz	173,743	US$5.8m	-19.1%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/06/08 08:40
End of Day Share Price	2026/06/05 00:00
Earnings	2026/03/31
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

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Industry and Sector Metrics

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Analyst Sources

Mayville Engineering Company, Inc. is covered by 6 analysts. 5 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Andrew Kaplowitz	Citigroup Inc
Gregory Palm	Craig-Hallum Capital Group LLC
Michael Shlisky	D.A. Davidson & Co.