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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, Q3 2024

Institutional positions in Mayville Engineering Company, Inc. as of Sep 30, 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
116
+20 vs. Q2 2024
Shares held
11.7M
+1.78M (+18.0%) vs. Q2 2024
Total value
$246.3M
+$81.3M (+49.3%) vs. Q2 2024
New holders
34
47 more added
Sold out
14
22 more reduced

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 116 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 heldQ3 2024: $246.3M
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, Q3 2024

Shares, value and share of portfolio for each institution holding Mayville Engineering Company, Inc.; share changes are against Q2 2024.

Institutions holding MEC in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Allspring Global Investments Holdings, LLC2,474,871$52.2M0.08%−104,354−4.0%Reduced
BlackRock, Inc.897,610$18.9M0.00%+897,610New
Tocqueville Asset Management L.P.629,714$13.3M0.21%−13,686−2.1%Reduced
Dimensional Fund Advisors LP619,573$13.1M0.00%+102,250+19.8%Added
Vanguard Group Inc571,529$12.0M0.00%+12,148+2.2%Added
Royce & Associates LP560,548$11.8M0.11%−99,624−15.1%Reduced
Granahan Investment Management Inc338,215$7.13M0.28%+13,781+4.2%Added
First Eagle Investment Management, LLC299,875$6.32M0.01%+49,090+19.6%Added
Geode Capital Management, LLC277,679$5.85M0.00%+14,118+5.4%Added
Ancora Advisors, LLC247,003$5.21M0.12%−320−0.1%Reduced
JB Capital Partners LP241,606$5.09M0.98%00.0%Unchanged
State Street Corp231,528$4.88M0.00%−5,187−2.2%Reduced
Invesco Ltd.218,871$4.61M0.00%−43,065−16.4%Reduced
Bank of America Corp214,457$4.52M0.00%+48,975+29.6%Added
Bridgeway Capital Management, LLC211,385$4.46M0.10%+2,722+1.3%Added
Russell Investments Group, Ltd.188,729$3.98M0.01%+11,884+6.7%Added
Arrowstreet Capital, Limited Partnership171,491$3.62M0.00%+139,016+428.1%Added
Advisor Group Holdings, Inc.165,615$3.49M0.01%−12,613−7.1%Reduced
Blair William & Co158,462$3.34M0.01%+1,273+0.8%Added
UBS Group AG156,265$3.29M0.00%−64,209−29.1%Reduced
Goldman Sachs Group Inc151,959$3.20M0.00%+100,414+194.8%Added
Globeflex Capital L P144,426$3.04M0.29%+144,426New
American Century Companies Inc136,500$2.88M0.00%+65,907+93.4%Added
Renaissance Technologies LLC126,891$2.67M0.00%+104,591+469.0%Added
Jacobs Levy Equity Management, Inc122,055$2.57M0.01%+58,242+91.3%Added
Nokomis Capital, L.L.C.121,569$2.56M1.15%+98,609+429.5%Added
Ameriprise Financial Inc105,583$2.23M0.00%+12,904+13.9%Added
Anchor Capital Advisors LLC98,238$2.07M0.06%−23,774−19.5%Reduced
Northern Trust Corp98,200$2.07M0.00%+9,998+11.3%Added
Wealthspire Advisors, LLC95,415$2.01M0.02%00.0%Unchanged
Empowered Funds, LLC87,017$1.83M0.03%+4,422+5.4%Added
Harbor Capital Advisors, Inc.79,122$1.67M0.07%+43,858+124.4%Added
Hillsdale Investment Management Inc.77,165$1.63M0.13%+77,165New
Morgan Stanley57,450$1.21M0.00%+27,059+89.0%Added
Panagora Asset Management Inc54,301$1.14M0.01%+2,387+4.6%Added
Nuveen Asset Management, LLC47,030$991.4K0.00%00.0%Unchanged
Acadian Asset Management LLC47,072$990.0K0.00%+47,072New
EAM Investors, LLC46,925$989.2K0.15%00.0%Unchanged
SEI Investments Co46,217$974.3K0.00%+7,585+19.6%Added
Connor, Clark & Lunn Investment Management Ltd.41,130$867.0K0.00%+11,137+37.1%Added
O'Shaughnessy Asset Management, LLC40,420$850.8K0.01%+15,356+61.3%Added
Bank of New York Mellon Corp39,239$827.2K0.00%−8,895−18.5%Reduced
Barclays PLC37,486$790.2K0.00%+11,489+44.2%Added
Martingale Asset Management L P36,336$766.0K0.02%+36,336New
Sheets Smith Wealth Management35,395$746.1K0.09%−495−1.4%Reduced
Charles Schwab Investment Management Inc34,252$722.0K0.00%+1,760+5.4%Added
Perritt Capital Management Inc30,000$632.4K0.33%00.0%Unchanged
BNP Paribas Arbitrage, SA29,688$625.8K0.00%+27,132+1,061.5%Added
Envestnet Asset Management Inc28,494$600.7K0.00%−764−2.6%Reduced
Wells Fargo & Company27,793$585.9K0.00%+10,794+63.5%Added
Yarbrough Capital, LLC26,866$566.3K0.02%00.0%Unchanged
Ritholtz Wealth Management23,360$492.4K0.01%+11,882+103.5%Added
Gradient Investments LLC23,104$487.0K0.01%−3,901−14.4%Reduced
Nelson, Van Denburg & Campbell Wealth Management Group, LLC22,919$483.1K0.02%+12,354+116.9%Added
Riverwater Partners LLC23,337$477.0K0.24%−12,155−34.2%Reduced
Walleye Capital LLC21,672$456.8K0.00%−2,428−10.1%Reduced
LPL Financial LLC21,458$452.3K0.00%−822−3.7%Reduced
STRS Ohio20,400$430.0K0.00%+20,400New
Cubist Systematic Strategies, LLC19,368$408.3K0.01%+8,001+70.4%Added
SeaBridge Investment Advisors LLC18,664$393.4K0.10%+18,664New
Rhumbline Advisers18,572$391.5K0.00%−709−3.7%Reduced
Royal Bank of Canada18,491$391.0K0.00%+194+1.1%Added
Marshall Wace, LLP18,174$383.1K0.00%−40,512−69.0%Reduced
Citadel Advisors LLC17,833$375.9K0.00%+1,496+9.2%Added
Sterling Capital Management LLC17,309$364.9K0.00%+17,309New
AQR Capital Management LLC17,011$358.6K0.00%+17,011New
Franklin Resources Inc15,859$333.8K0.00%+15,859New
Mesirow Financial Investment Management, Inc.15,593$328.7K0.01%+15,593New
Dynamic Technology Lab Private Ltd15,111$319.0K0.03%+15,111New
Raymond James & Associates14,748$310.9K0.00%+27+0.2%Added
Jane Street Group, LLC14,235$300.1K0.00%+2,909+25.7%Added
State of Wyoming14,092$297.1K0.04%+14,092New
Bailard, Inc.13,646$287.7K0.01%+13,646New
Jump Financial, LLC13,600$286.7K0.01%+492+3.8%Added
Transatlantique Private Wealth LLC13,507$284.7K0.11%+13,507New
Cornercap Investment Counsel Inc13,170$277.6K0.08%+13,170New
Principal Financial Group Inc13,112$276.4K0.00%+13,112New
Public Employees Retirement System of Ohio12,470$262.9K0.00%+6,100+95.8%Added
Wealth Enhancement Advisory Services, LLC12,279$258.8K0.00%+73+0.6%Added
Horizon Investment Services, LLC11,280$237.8K0.10%+11,280New
Net Worth Advisory Group11,226$236.6K0.07%+11,226New
Engineers Gate Manager LP11,054$233.0K0.00%+11,054New
Trexquant Investment LP11,004$232.0K0.00%+11,004New
Lazard Asset Management LLC10,972$231.0K0.00%+5,846+114.0%Added
HSBC Holdings PLC10,756$225.9K0.00%+10,756New
Delta Capital Management LLC10,610$224.0K0.13%00.0%Unchanged
Algert Global LLC10,027$211.4K0.01%+10,027New
Citigroup Inc9,701$204.5K0.00%+6,448+198.2%Added
Tower Research Capital LLC (TRC)7,805$164.5K0.00%+6,120+363.2%Added
Harbour Investments, Inc.7,700$162.3K0.00%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.6,986$147.3K0.00%+2,105+43.1%Added
Corebridge Financial, Inc.6,801$143.4K0.00%−43−0.6%Reduced
MetLife Investment Management6,477$136.5K0.00%00.0%Unchanged
Deutsche Bank AG6,225$131.2K0.00%+2,791+81.3%Added
JPMorgan Chase & Co5,689$119.9K0.00%−714−11.2%Reduced
New York State Common Retirement Fund5,395$113.7K0.00%−1,400−20.6%Reduced
Point72 Asset Management, L.P.4,501$94.9K0.00%+4,501New
Quantbot Technologies LP3,341$70.4K0.00%+3,341New
FMR LLC3,126$65.9K0.00%+42+1.4%Added
Harvest Fund Management Co., Ltd2,956$62.0K0.00%+2,956New