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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
American Century Companies Inc219,713$3.45M0.00%+83,213+61.0%Added
State Street Corp249,969$3.93M0.00%+18,441+8.0%Added
JB Capital Partners LP250,512$3.94M0.75%+8,906+3.7%Added
Arrowstreet Capital, Limited Partnership252,396$3.97M0.00%+80,905+47.2%Added
Geode Capital Management, LLC277,449$4.36M0.00%−230−0.1%Reduced
Ancora Advisors, LLC307,789$4.84M0.11%+60,786+24.6%Added
First Eagle Investment Management, LLC332,375$5.22M0.01%+32,500+10.8%Added
Nokomis Capital, L.L.C.449,792$7.07M3.26%+328,223+270.0%Added
Granahan Investment Management Inc578,967$9.10M0.38%+240,752+71.2%Added
Royce & Associates LP584,297$9.19M0.09%+23,749+4.2%Added
Tocqueville Asset Management L.P.629,714$9.90M0.16%00.0%Unchanged
Vanguard Group Inc633,752$9.96M0.00%+62,223+10.9%Added
Dimensional Fund Advisors LP704,659$11.1M0.00%+85,086+13.7%Added
BlackRock, Inc.848,757$13.3M0.00%−48,853−5.4%Reduced
Allspring Global Investments Holdings, LLC2,439,596$37.9M0.06%−35,275−1.4%Reduced
Hillsdale Investment Management Inc.0$00.00%−77,165−100.0%Sold out
EAM Investors, LLC0$00.00%−46,925−100.0%Sold out
Walleye Capital LLC0$00.00%−21,672−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−19,368−100.0%Sold out
SeaBridge Investment Advisors LLC0$00.00%−18,664−100.0%Sold out
Marshall Wace, LLP0$00.00%−18,174−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−15,111−100.0%Sold out
Bailard, Inc.0$00.00%−13,646−100.0%Sold out
Jump Financial, LLC0$00.00%−13,600−100.0%Sold out
Transatlantique Private Wealth LLC0$00.00%−13,507−100.0%Sold out
Horizon Investment Services, LLC0$00.00%−11,280−100.0%Sold out
Trexquant Investment LP0$00.00%−11,004−100.0%Sold out
HSBC Holdings PLC0$00.00%−10,756−100.0%Sold out
Algert Global LLC0$00.00%−10,027−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−4,501−100.0%Sold out
Quantbot Technologies LP0$00.00%−3,341−100.0%Sold out
Harvest Fund Management Co., Ltd0$00.00%−2,956−100.0%Sold out
Johnson Financial Group, Inc.0$00.00%−2,500−100.0%Sold out
nVerses Capital, LLC0$00.00%−700−100.0%Sold out
GWM Advisors LLC0$00.00%−444−100.0%Sold out
Nisa Investment Advisors, LLC0$00.00%−30−100.0%Sold out
Capital Performance Advisors LLP0$00.00%−26−100.0%Sold out
Raymond James & Associates––––Not filed