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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.

Q1 2025 vs. Q4 2024

How the institutions holding Mayville Engineering Company, Inc. changed between Q4 2024 and Q1 2025.

All holders in Q1 2025All holders in Q4 2024

13F holders of MEC: Q4 2024 compared with Q1 2025
MeasureQ4 2024Of which not filed for Q1 2025Q1 2025Change
Holders1151117+3
Shares12.5M47.0K12.4M+20.7K (+0.2%)
Value$195.4M$739.3K$167.8M−$26.9M (−13.8%)

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (15)

Institutions that held Mayville Engineering Company, Inc. at the end of Q1 2025 but not at the end of Q4 2024.

Institutions new to MEC in Q1 2025
InstitutionSharesValue% of portfolio
Marshall Wace, LLP101,372$1.36M0.00%
CenterBook Partners LP98,553$1.32M0.08%
Nuveen, LLC47,917$643.5K0.00%
ExodusPoint Capital Management, LP26,116$351.0K0.00%
Qube Research & Technologies Ltd21,580$289.8K0.00%
EntryPoint Capital, LLC16,491$221.5K0.10%
SeaBridge Investment Advisors LLC16,345$219.5K0.05%
Graham Capital Management, L.P.13,431$180.4K0.01%
Victory Capital Management Inc13,385$179.8K0.00%
Transatlantique Private Wealth LLC12,862$172.7K0.07%
Oppenheimer Asset Management Inc.11,348$152.4K0.00%
Abound Wealth Management561$7.54K0.00%
Northwestern Mutual Wealth Management Co190$2.55K0.00%
Nisa Investment Advisors, LLC29$3890.00%
True Wealth Design, LLC13$1750.00%

Sold out (12)

Institutions that held Mayville Engineering Company, Inc. at the end of Q4 2024 and filed for Q1 2025 without it.

Institutions that sold out of MEC in Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Harbor Capital Advisors, Inc.82,413$1.30M
Yarbrough Capital, LLC26,866$422.3K
Panagora Asset Management Inc24,704$388.3K
Connor, Clark & Lunn Investment Management Ltd.22,002$345.9K
Riverwater Partners LLC21,577$339.2K
HRT Financial LP15,623$245.0K
Acadian Asset Management LLC13,751$215.0K
Cornercap Investment Counsel Inc13,170$207.0K
Integrated Quantitative Investments LLC11,264$177.1K
R Squared Ltd2,550$40.1K
EverSource Wealth Advisors, LLC12$189
Macquarie Group Ltd2,846$45

Not filed for Q1 2025 yet (1)

Institutions that held Mayville Engineering Company, Inc. at the end of Q4 2024 and haven't filed a 13F for Q1 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MEC in Q4 2024 that haven't filed for Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Nuveen Asset Management, LLC47,030$739.3K