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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.

13F holders, Q4 2024

Institutional positions in Mayville Engineering Company, Inc. as of Dec 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
115
0 vs. Q3 2024
Shares held
12.5M
+793.4K (+6.8%) vs. Q3 2024
Total value
$195.4M
−$50.5M (−20.5%) vs. Q3 2024
New holders
22
46 more added
Sold out
22
26 more reduced

1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MEC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2024: 115 institutions
Q1 2021: 59 institutionsQ2 2021: 58 institutionsQ3 2021: 78 institutionsQ4 2021: 69 institutionsQ1 2022: 65 institutionsQ2 2022: 64 institutionsQ3 2022: 59 institutionsQ4 2022: 69 institutionsQ1 2023: 77 institutionsQ2 2023: 86 institutionsQ3 2023: 86 institutionsQ4 2023: 79 institutionsQ1 2024: 81 institutionsQ2 2024: 97 institutionsQ3 2024: 116 institutionsQ4 2024: 115 institutionsQ1 2025: 117 institutionsQ2 2025: 113 institutionsQ3 2025: 104 institutionsQ4 2025: 123 institutionsQ1 2026: 124 institutionsQ2 2026: 155 institutions
Value heldQ4 2024: $195.4M
Q1 2021: $106.9MQ2 2021: $164.5MQ3 2021: $141.2MQ4 2021: $108.4MQ1 2022: $70.0MQ2 2022: $55.6MQ3 2022: $41.3MQ4 2022: $88.5MQ1 2023: $116.8MQ2 2023: $108.7MQ3 2023: $97.8MQ4 2023: $133.4MQ1 2024: $136.6MQ2 2024: $179.1MQ3 2024: $246.3MQ4 2024: $195.4MQ1 2025: $167.8MQ2 2025: $202.5MQ3 2025: $183.6MQ4 2025: $260.4MQ1 2026: $258.4MQ2 2026: $790.6M
Institutions holding MEC and their total value by quarter
QuarterHoldersValue
Q2 2026155$790.6M
Q1 2026124$258.4M
Q4 2025123$260.4M
Q3 2025104$183.6M
Q2 2025113$202.5M
Q1 2025117$167.8M
Q4 2024115$195.4M
Q3 2024116$246.3M
Q2 202497$179.1M
Q1 202481$136.6M
Q4 202379$133.4M
Q3 202386$97.8M
Q2 202386$108.7M
Q1 202377$116.8M
Q4 202269$88.5M
Q3 202259$41.3M
Q2 202264$55.6M
Q1 202265$70.0M
Q4 202169$108.4M
Q3 202178$141.2M
Q2 202158$164.5M
Q1 202159$106.9M

Institutions, Q4 2024

Shares, value and share of portfolio for each institution holding Mayville Engineering Company, Inc.; share changes are against Q3 2024.

Institutions holding MEC in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Allspring Global Investments Holdings, LLC2,439,596$37.9M0.06%−35,275−1.4%Reduced
BlackRock, Inc.848,757$13.3M0.00%−48,853−5.4%Reduced
Dimensional Fund Advisors LP704,659$11.1M0.00%+85,086+13.7%Added
Vanguard Group Inc633,752$9.96M0.00%+62,223+10.9%Added
Tocqueville Asset Management L.P.629,714$9.90M0.16%00.0%Unchanged
Royce & Associates LP584,297$9.19M0.09%+23,749+4.2%Added
Granahan Investment Management Inc578,967$9.10M0.38%+240,752+71.2%Added
Nokomis Capital, L.L.C.449,792$7.07M3.26%+328,223+270.0%Added
First Eagle Investment Management, LLC332,375$5.22M0.01%+32,500+10.8%Added
Ancora Advisors, LLC307,789$4.84M0.11%+60,786+24.6%Added
Geode Capital Management, LLC277,449$4.36M0.00%−230−0.1%Reduced
Arrowstreet Capital, Limited Partnership252,396$3.97M0.00%+80,905+47.2%Added
JB Capital Partners LP250,512$3.94M0.75%+8,906+3.7%Added
State Street Corp249,969$3.93M0.00%+18,441+8.0%Added
American Century Companies Inc219,713$3.45M0.00%+83,213+61.0%Added
Bank of America Corp216,926$3.41M0.00%+2,469+1.2%Added
Russell Investments Group, Ltd.215,783$3.39M0.00%+27,054+14.3%Added
Goldman Sachs Group Inc213,758$3.36M0.00%+61,799+40.7%Added
Bridgeway Capital Management, LLC205,081$3.22M0.07%−6,304−3.0%Reduced
Blair William & Co197,740$3.11M0.01%+39,278+24.8%Added
Jacobs Levy Equity Management, Inc135,193$2.13M0.01%+13,138+10.8%Added
Advisor Group Holdings, Inc.130,667$2.05M0.00%−34,948−21.1%Reduced
Globeflex Capital L P116,468$1.83M0.16%−27,958−19.4%Reduced
Renaissance Technologies LLC112,700$1.77M0.00%−14,191−11.2%Reduced
Ameriprise Financial Inc112,113$1.76M0.00%+6,530+6.2%Added
Northern Trust Corp101,334$1.59M0.00%+3,134+3.2%Added
Anchor Capital Advisors LLC100,805$1.58M0.05%+2,567+2.6%Added
Polar Asset Management Partners Inc.96,553$1.52M0.02%+96,553New
Wealthspire Advisors, LLC95,415$1.50M0.01%00.0%Unchanged
Empowered Funds, LLC91,513$1.44M0.02%+4,496+5.2%Added
Harbor Capital Advisors, Inc.82,413$1.30M0.06%+3,291+4.2%Added
Expect Equity LLC74,744$1.17M1.23%+74,744New
UBS Group AG73,803$1.16M0.00%−82,462−52.8%Reduced
AQR Capital Management LLC71,643$1.13M0.00%+54,632+321.2%Added
SEI Investments Co48,570$763.5K0.00%+2,353+5.1%Added
Nuveen Asset Management, LLC47,030$739.3K0.00%00.0%Unchanged
Morgan Stanley44,866$705.3K0.00%−12,584−21.9%Reduced
Martingale Asset Management L P42,211$663.6K0.02%+5,875+16.2%Added
O'Shaughnessy Asset Management, LLC41,363$650.2K0.01%+943+2.3%Added
Bank of New York Mellon Corp38,257$601.4K0.00%−982−2.5%Reduced
Barclays PLC38,143$599.6K0.00%+657+1.8%Added
Sheets Smith Wealth Management36,525$574.2K0.07%+1,130+3.2%Added
Invesco Ltd.36,000$565.9K0.00%−182,871−83.6%Reduced
Janney Montgomery Scott LLC34,663$545.0K0.00%+34,663New
Charles Schwab Investment Management Inc34,252$538.4K0.00%00.0%Unchanged
LPL Financial LLC34,046$535.2K0.00%+12,588+58.7%Added
STRS Ohio33,500$526.6K0.00%+13,100+64.2%Added
Millennium Management LLC30,344$477.0K0.00%+30,344New
Perritt Capital Management Inc30,000$471.6K0.25%00.0%Unchanged
Envestnet Asset Management Inc28,782$452.5K0.00%+288+1.0%Added
Squarepoint Ops LLC27,146$426.7K0.00%+27,146New
Yarbrough Capital, LLC26,866$422.3K0.02%00.0%Unchanged
Ritholtz Wealth Management25,305$397.8K0.01%+1,945+8.3%Added
Panagora Asset Management Inc24,704$388.3K0.00%−29,597−54.5%Reduced
Wells Fargo & Company24,407$383.7K0.00%−3,386−12.2%Reduced
Nelson, Van Denburg & Campbell Wealth Management Group, LLC22,919$360.3K0.01%00.0%Unchanged
Gradient Investments LLC22,444$352.8K0.01%−660−2.9%Reduced
Connor, Clark & Lunn Investment Management Ltd.22,002$345.9K0.00%−19,128−46.5%Reduced
Riverwater Partners LLC21,577$339.2K0.17%−1,760−7.5%Reduced
Lazard Asset Management LLC20,864$327.0K0.00%+9,892+90.2%Added
Gsa Capital Partners LLP20,256$318.0K0.02%+20,256New
Rhumbline Advisers19,185$301.6K0.00%+613+3.3%Added
Royal Bank of Canada19,107$301.0K0.00%+616+3.3%Added
Jane Street Group, LLC18,248$286.9K0.00%+4,013+28.2%Added
Sterling Capital Management LLC17,647$277.4K0.00%+338+2.0%Added
Susquehanna International Group, LLP17,599$276.7K0.00%+17,599New
Raymond James Financial Inc17,121$269.1K0.00%+17,121New
Engineers Gate Manager LP16,229$255.1K0.00%+5,175+46.8%Added
Franklin Resources Inc15,859$249.3K0.00%00.0%Unchanged
Mesirow Financial Investment Management, Inc.15,682$246.5K0.00%+89+0.6%Added
HRT Financial LP15,623$245.0K0.00%+15,623New
Principal Financial Group Inc14,529$228.4K0.00%+1,417+10.8%Added
State of Wisconsin Investment Board14,197$223.2K0.00%+14,197New
Acadian Asset Management LLC13,751$215.0K0.00%−33,321−70.8%Reduced
Cornercap Investment Counsel Inc13,170$207.0K0.07%00.0%Unchanged
Public Employees Retirement System of Ohio12,470$196.0K0.00%00.0%Unchanged
Citadel Advisors LLC12,431$195.4K0.00%−5,402−30.3%Reduced
Wealth Enhancement Advisory Services, LLC12,227$192.2K0.00%−52−0.4%Reduced
Deutsche Bank AG12,122$190.6K0.00%+5,897+94.7%Added
Integrated Quantitative Investments LLC11,264$177.1K0.09%+11,264New
Net Worth Advisory Group10,804$169.8K0.05%−422−3.8%Reduced
Delta Capital Management LLC10,610$167.0K0.10%00.0%Unchanged
Citigroup Inc10,579$166.3K0.00%+878+9.1%Added
BNP Paribas Arbitrage, SA8,672$136.3K0.00%−21,016−70.8%Reduced
Harbour Investments, Inc.7,700$121.0K0.00%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.7,290$114.6K0.00%+304+4.4%Added
MetLife Investment Management6,477$101.8K0.00%00.0%Unchanged
Corebridge Financial, Inc.6,403$100.7K0.00%−398−5.9%Reduced
State of Wyoming6,229$97.9K0.01%−7,863−55.8%Reduced
JPMorgan Chase & Co6,150$96.7K0.00%+461+8.1%Added
New York State Common Retirement Fund5,395$84.8K0.00%00.0%Unchanged
FMR LLC3,145$49.4K0.00%+19+0.6%Added
US Bancorp2,853$44.8K0.00%00.0%Unchanged
Aquatic Capital Management LLC2,773$43.6K0.00%+2,773New
Police & Firemen's Retirement System of New Jersey2,557$40.2K0.00%+2,557New
R Squared Ltd2,550$40.1K0.04%+2,550New
Quest Partners LLC2,441$38.4K0.01%+2,441New
Tower Research Capital LLC (TRC)1,480$23.3K0.00%−6,325−81.0%Reduced
Legal & General Group Plc1,260$19.8K0.00%00.0%Unchanged
New York State Teachers Retirement System1,161$18.0K0.00%00.0%Unchanged