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Mayville Engineering Company, Inc.

MEC
Exchange
NYSE
Industry
Metal Forgings & Stampings
SEC CIK
0001766368

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 2024 vs. Q3 2024

How the institutions holding Mayville Engineering Company, Inc. changed between Q3 2024 and Q4 2024.

All holders in Q4 2024All holders in Q3 2024

13F holders of MEC: Q3 2024 compared with Q4 2024
MeasureQ3 2024Of which not filed for Q4 2024Q4 2024Change
Holders11611150
Shares11.7M14.7K12.5M+793.4K (+6.8%)
Value$246.3M$310.9K$195.4M−$50.5M (−20.5%)

1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (22)

Institutions that held Mayville Engineering Company, Inc. at the end of Q4 2024 but not at the end of Q3 2024.

Institutions new to MEC in Q4 2024
InstitutionSharesValue% of portfolio
Polar Asset Management Partners Inc.96,553$1.52M0.02%
Expect Equity LLC74,744$1.17M1.23%
Janney Montgomery Scott LLC34,663$545.0K0.00%
Millennium Management LLC30,344$477.0K0.00%
Squarepoint Ops LLC27,146$426.7K0.00%
Gsa Capital Partners LLP20,256$318.0K0.02%
Susquehanna International Group, LLP17,599$276.7K0.00%
Raymond James Financial Inc17,121$269.1K0.00%
HRT Financial LP15,623$245.0K0.00%
State of Wisconsin Investment Board14,197$223.2K0.00%
Integrated Quantitative Investments LLC11,264$177.1K0.09%
Aquatic Capital Management LLC2,773$43.6K0.00%
Police & Firemen's Retirement System of New Jersey2,557$40.2K0.00%
R Squared Ltd2,550$40.1K0.04%
Quest Partners LLC2,441$38.4K0.01%
Nemes Rush Group LLC200$3.14K0.00%
Vermillion Wealth Management, Inc.30$4720.00%
MAI Capital Management25$3930.00%
EverSource Wealth Advisors, LLC12$1890.00%
IFP Advisors, Inc0$630.00%
Macquarie Group Ltd2,846$450.00%
Covestor Ltd20$00.00%

Sold out (22)

Institutions that held Mayville Engineering Company, Inc. at the end of Q3 2024 and filed for Q4 2024 without it.

Not filed for Q4 2024 yet (1)

Institutions that held Mayville Engineering Company, Inc. at the end of Q3 2024 and haven't filed a 13F for Q4 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MEC in Q3 2024 that haven't filed for Q4 2024
InstitutionShares, Q3 2024Value, Q3 2024
Raymond James & Associates14,748$310.9K