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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, Q2 2025

Institutional positions in Mayville Engineering Company, Inc. as of Jun 30, 2025. 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
113
−4 vs. Q1 2025
Shares held
12.6M
+205.0K (+1.6%) vs. Q1 2025
Total value
$202.5M
+$34.7M (+20.7%) vs. Q1 2025
New holders
14
47 more added
Sold out
18
31 more reduced

Compare with Q1 2025: 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 holdersQ2 2025: 113 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 heldQ2 2025: $202.5M
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, Q2 2025

Shares, value and share of portfolio for each institution holding Mayville Engineering Company, Inc.; share changes are against Q1 2025.

Institutions holding MEC in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Allspring Global Investments Holdings, LLC2,446,090$39.8M0.07%+5,013+0.2%Added
BlackRock, Inc.913,189$14.6M0.00%+63,598+7.5%Added
Vanguard Group Inc882,195$14.1M0.00%+266,049+43.2%Added
Dimensional Fund Advisors LP814,034$13.0M0.00%+41,466+5.4%Added
Tocqueville Asset Management L.P.571,187$9.12M0.14%−50,017−8.1%Reduced
Royce & Associates LP558,849$8.92M0.09%−32,470−5.5%Reduced
Granahan Investment Management Inc498,305$7.95M0.32%+20,267+4.2%Added
Blair William & Co373,448$5.96M0.02%+281,198+304.8%Added
Ancora Advisors, LLC359,780$5.74M0.12%+50,200+16.2%Added
First Eagle Investment Management, LLC354,075$5.65M0.01%+2,200+0.6%Added
Geode Capital Management, LLC318,321$5.08M0.00%+27,552+9.5%Added
American Century Companies Inc306,982$4.90M0.00%+54,843+21.8%Added
Arrowstreet Capital, Limited Partnership268,635$4.29M0.00%+2,235+0.8%Added
State Street Corp265,050$4.23M0.00%+12,681+5.0%Added
JB Capital Partners LP250,512$4.00M0.74%00.0%Unchanged
Bank of America Corp227,699$3.63M0.00%−12,527−5.2%Reduced
Bridgeway Capital Management, LLC222,654$3.55M0.08%+9,779+4.6%Added
Russell Investments Group, Ltd.216,179$3.45M0.00%+15,867+7.9%Added
22NW, LP155,450$2.48M1.82%+155,450New
Renaissance Technologies LLC144,000$2.30M0.00%+58,100+67.6%Added
Jacobs Levy Equity Management, Inc136,383$2.18M0.01%+3,885+2.9%Added
Advisor Group Holdings, Inc.131,589$2.10M0.00%−13,281−9.2%Reduced
Globeflex Capital L P116,468$1.86M0.15%00.0%Unchanged
Empowered Funds, LLC107,986$1.72M0.02%+9,779+10.0%Added
Northern Trust Corp101,738$1.62M0.00%+1,829+1.8%Added
Roubaix Capital, LLC101,138$1.61M0.77%+101,138New
Anchor Capital Advisors LLC97,638$1.56M0.05%−3,211−3.2%Reduced
Wealthspire Advisors, LLC95,415$1.52M0.01%00.0%Unchanged
CenterBook Partners LP95,086$1.52M0.08%−3,467−3.5%Reduced
UBS Group AG87,534$1.40M0.00%+61,375+234.6%Added
Goldman Sachs Group Inc85,571$1.37M0.00%−27,963−24.6%Reduced
Marshall Wace, LLP64,566$1.03M0.00%−36,806−36.3%Reduced
Morgan Stanley62,302$994.4K0.00%+33,451+115.9%Added
SEI Investments Co51,490$821.8K0.00%+6,103+13.4%Added
Nuveen, LLC49,337$787.4K0.00%+1,420+3.0%Added
Martingale Asset Management L P43,516$694.5K0.02%−1,299−2.9%Reduced
Barclays PLC40,502$646.4K0.00%+10,865+36.7%Added
Ameriprise Financial Inc39,647$632.8K0.00%+2,958+8.1%Added
Bank of New York Mellon Corp39,228$626.1K0.00%+2,126+5.7%Added
Charles Schwab Investment Management Inc39,131$624.5K0.00%+4,879+14.2%Added
Panagora Asset Management Inc38,987$622.2K0.00%+38,987New
Sheets Smith Wealth Management38,585$615.8K0.07%+680+1.8%Added
Janus Henderson Group PLC38,013$606.7K0.00%+38,013New
Janney Montgomery Scott LLC36,499$583.0K0.00%+190+0.5%Added
STRS Ohio31,100$496.4K0.00%−2,400−7.2%Reduced
Royal Bank of Canada30,793$492.0K0.00%+12,688+70.1%Added
O'Shaughnessy Asset Management, LLC30,594$488.3K0.00%+17+0.1%Added
Perritt Capital Management Inc30,000$478.8K0.25%00.0%Unchanged
Invesco Ltd.29,422$469.6K0.00%−3,346−10.2%Reduced
Expect Equity LLC28,233$450.6K0.48%−26,341−48.3%Reduced
Susquehanna International Group, LLP28,186$449.8K0.00%+4,449+18.7%Added
Lazard Asset Management LLC27,064$431.0K0.00%−1,509−5.3%Reduced
AQR Capital Management LLC25,374$405.0K0.00%−44,435−63.7%Reduced
Envestnet Asset Management Inc25,280$403.5K0.00%−3,068−10.8%Reduced
Raymond James Financial Inc24,447$390.2K0.00%+9,026+58.5%Added
State of Wisconsin Investment Board24,297$387.8K0.00%+9,500+64.2%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC22,919$365.8K0.01%00.0%Unchanged
Gradient Investments LLC21,569$344.2K0.01%−875−3.9%Reduced
LPL Financial LLC20,846$332.7K0.00%−4,000−16.1%Reduced
Rhumbline Advisers19,969$318.7K0.00%+1,526+8.3%Added
Squarepoint Ops LLC19,225$306.8K0.00%−65,250−77.2%Reduced
Bailard, Inc.17,800$284.1K0.01%+17,800New
SeaBridge Investment Advisors LLC16,356$261.0K0.05%+11+0.1%Added
Citadel Advisors LLC15,989$255.2K0.00%−127,758−88.9%Reduced
EntryPoint Capital, LLC15,914$254.0K0.13%−577−3.5%Reduced
Franklin Resources Inc15,859$253.1K0.00%00.0%Unchanged
Sterling Capital Management LLC15,816$252.4K0.00%+130+0.8%Added
Victory Capital Management Inc15,181$242.3K0.00%+1,796+13.4%Added
Wells Fargo & Company14,244$227.3K0.00%+333+2.4%Added
Wealth Enhancement Advisory Services, LLC12,652$212.6K0.00%−3,139−19.9%Reduced
Alliancebernstein L.P.13,190$210.5K0.00%+13,190New
Transatlantique Private Wealth LLC12,862$205.3K0.08%00.0%Unchanged
State of Wyoming12,743$203.4K0.02%−5,335−29.5%Reduced
Oppenheimer Asset Management Inc.11,132$177.7K0.00%−216−1.9%Reduced
Public Employees Retirement System of Ohio10,834$172.9K0.00%00.0%Unchanged
Delta Capital Management LLC10,380$166.0K0.09%00.0%Unchanged
Chicago Trust Co NA10,325$164.8K0.02%+10,325New
Cantor Fitzgerald, L. P.10,000$159.6K0.00%+10,000New
SG Americas Securities, LLC9,128$146.0K0.00%+9,128New
MetLife Investment Management7,958$127.0K0.00%+1,481+22.9%Added
JPMorgan Chase & Co7,936$126.7K0.00%+1,359+20.7%Added
Mirae Asset Global ETFs Holdings Ltd.7,791$124.3K0.00%+189+2.5%Added
Harbour Investments, Inc.7,700$122.9K0.00%00.0%Unchanged
Deutsche Bank AG7,213$115.1K0.00%−2,994−29.3%Reduced
Quest Partners LLC6,609$105.5K0.01%−1,270−16.1%Reduced
Citigroup Inc5,735$91.5K0.00%−3,921−40.6%Reduced
New York State Common Retirement Fund5,395$86.1K0.00%00.0%Unchanged
FMR LLC3,145$50.2K0.00%+45+1.5%Added
US Bancorp2,597$41.4K0.00%−256−9.0%Reduced
Police & Firemen's Retirement System of New Jersey2,557$40.8K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)1,917$30.6K0.00%+1,030+116.1%Added
Ameritas Investment Partners, Inc.1,454$23.2K0.00%+542+59.4%Added
BNP Paribas Arbitrage, SA1,316$21.0K0.00%−3,643−73.5%Reduced
Legal & General Group Plc1,260$20.1K0.00%00.0%Unchanged
New York State Teachers Retirement System1,161$19.0K0.00%00.0%Unchanged
CWM, LLC1,187$19.0K0.00%+973+454.7%Added
Jones Financial Companies LLLP1,114$18.0K0.00%+1,114New
Avion Wealth1,000$15.0K0.00%00.0%Unchanged
California State Teachers Retirement System922$14.7K0.00%00.0%Unchanged
Comerica Bank513$8.18K0.00%+2+0.4%Added