Mayville Engineering Company, Inc.

MEC

Exchange: NYSE
Industry: Metal Forgings & Stampings
SEC CIK: 0001766368

SEC filings (opens in a new tab)

In the last 90 days, Mayville Engineering Company, Inc. insiders filed 0 open-market purchases and 1 sale; 155 institutions reported holding it in 13F filings for Q2 2026, worth $790.6M in total; no superinvestor holds it.

Q4 2022 vs. Q3 2022

How the institutions holding Mayville Engineering Company, Inc. changed between Q3 2022 and Q4 2022.

All holders in Q4 2022 All holders in Q3 2022

13F holders of MEC: Q3 2022 compared with Q4 2022
Measure	Q3 2022	Of which not filed for Q4 2022	Q4 2022	Change
Holders	59	1	69	+11
Shares	6.34M	23	7.00M	+657.0K (+10.4%)
Value	$41.3M	$0	$88.5M	+$47.2M (+114.2%)

1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so the changes leave them out.

New holders (23)

Institutions that held Mayville Engineering Company, Inc. at the end of Q4 2022 but not at the end of Q3 2022.

Institutions new to MEC in Q4 2022
Institution	Shares	Value	% of portfolio
Aegis Financial Corp	327,693	$4.15M	3.65%
Hillsdale Investment Management Inc.	275,559	$3.49M	0.29%
Royce & Associates LP	173,051	$2.19M	0.02%
EAM Investors, LLC	134,466	$1.70M	0.35%
Jacobs Levy Equity Management, Inc	70,850	$897.0K	0.01%
Marshall Wace, LLP	62,165	$787.0K	0.00%
Susquehanna International Group, LLP	47,890	$606.3K	0.00%
Acadian Asset Management LLC	36,930	$466.0K	0.00%
Arrowstreet Capital, Limited Partnership	36,567	$463.0K	0.00%
Bailard, Inc.	24,509	$310.3K	0.01%
American Century Companies Inc	24,185	$306.2K	0.00%
Man Group plc	20,207	$255.8K	0.00%
Bank of Montreal	28,100	$218.1K	0.00%
Legato Capital Management LLC	16,584	$210.0K	0.04%
Citigroup Inc	13,804	$174.8K	0.00%
683 Capital Management, LLC	13,742	$174.0K	0.02%
Engineers Gate Manager LP	10,587	$134.0K	0.01%
Simplex Trading, LLC	5,259	$66.0K	0.00%
Lazard Asset Management LLC	3,263	$41.0K	0.00%
Macquarie Group Ltd	1,995	$25.0K	0.00%
Belpointe Asset Management LLC	1,400	$17.7K	0.00%
Freedom Wealth Alliance, LLC	1,076	$13.6K	0.02%
Advisory Services Network, LLC	451	$5.71K	0.00%

Sold out (12)

Institutions that held Mayville Engineering Company, Inc. at the end of Q3 2022 and filed for Q4 2022 without it.

Institutions that sold out of MEC in Q4 2022
Institution	Shares, Q3 2022	Value, Q3 2022
Mill Road Capital Management LLC	229,582	$1.50M
Citadel Advisors LLC	74,889	$487.0K
Renaissance Technologies LLC	67,397	$439.0K
Ergoteles LLC	29,828	$194.0K
D. E. Shaw & Co., Inc.	28,231	$183.0K
Cullen Capital Management LLC	17,350	$113.0K
SEI Investments Co	15,592	$102.0K
Bank of New York Mellon Corp	15,317	$100.0K
Trexquant Investment LP	10,145	$66.0K
Alpha Paradigm Partners, LLC	6,091	$40.0K
Northwestern Mutual Wealth Management Co	2,565	$17.0K
AlphaMark Advisors, LLC	260	$2.00K

Not filed for Q4 2022 yet (1)

Institutions that held Mayville Engineering Company, Inc. at the end of Q3 2022 and haven't filed a 13F for Q4 2022. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MEC in Q3 2022 that haven't filed for Q4 2022
Institution	Shares, Q3 2022	Value, Q3 2022
Wipfli Financial Advisors LLC,	23	$0