Mayville Engineering (MEC) Institutional Ownership $14.60 +0.03 (+0.17%) Closing price 08/28/2025 03:59 PM EasternExtended Trading$14.57 -0.04 (-0.24%) As of 05:00 AM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Mayville Engineering (NYSE:MEC)CurrentInstitutional OwnershipPercentage45.44%Number ofInstitutional Buyers(last 12 months)72TotalInstitutional Inflows(last 12 months)$46.60MNumber ofInstitutional Sellers(last 12 months)37TotalInstitutional Outflows(last 12 months)$17.42M Get MEC Insider Trade Alerts Want to know when executives and insiders are buying or selling Mayville Engineering stock? 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Skip Chart & View Institutional Buying and Selling Data MEC Institutional Buying and Selling by Quarter Mayville Engineering Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/19/2025 State of Wyoming12,743$203K0.0%-29.5%0.063% 8/15/2025 Lazard Asset Management LLC27,064$431K0.0%-5.3%0.133% 8/15/2025 Bridgeway Capital Management LLC222,654$3.55M0.1%+4.6%1.096% 8/15/2025 Bank of America Corp DE227,699$3.63M0.0%-5.2%1.121% 8/15/2025 Ameriprise Financial Inc.39,647$633K0.0%+8.1%0.195% 8/14/2025 Raymond James Financial Inc.24,447$390K0.0%+58.5%0.120% 8/14/2025 Sei Investments Co.51,490$822K0.0%+5.2%0.253% 8/14/2025 22NW LP155,450$2.48M1.8%N/A0.765% 8/13/2025 Marshall Wace LLP64,566$1.03M0.0%-36.3%0.318% 8/13/2025 Invesco Ltd.29,422$470K0.0%-10.2%0.145% Get the Latest News and Ratings for MEC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Mayville Engineering and its competitors with MarketBeat's FREE daily newsletter. 8/13/2025 Arrowstreet Capital Limited Partnership268,635$4.29M0.0%+0.8%1.322% 8/13/2025 Panagora Asset Management Inc.38,987$622K0.0%N/A0.192% 8/13/2025 Russell Investments Group Ltd.216,179$3.45M0.0%+7.9%1.064% 8/12/2025 American Century Companies Inc.306,982$4.90M0.0%+21.8%1.511% 8/12/2025 Rhumbline Advisers19,969$319K0.0%+8.3%0.098% 8/12/2025 JPMorgan Chase & Co.7,936$127K0.0%+20.7%0.039% 8/8/2025 Bailard Inc.17,800$284K0.0%N/A0.087% 8/8/2025 Geode Capital Management LLC318,321$5.08M0.0%+9.5%1.556% 8/6/2025 First Eagle Investment Management LLC354,075$5.65M0.0%+0.6%1.731% 8/6/2025 Anchor Capital Advisors LLC97,638$1.56M0.0%-3.2%0.477% 8/1/2025 Envestnet Asset Management Inc.25,280$403K0.0%-10.8%0.124% 7/31/2025 AlphaQuest LLC6,609$105K0.0%-16.1%0.032% 7/25/2025 Allspring Global Investments Holdings LLC2,446,090$39.77M0.1%+0.2%11.955% 7/24/2025 Blair William & Co. IL373,448$5.96M0.0%+304.8%1.825% 7/15/2025 Sheets Smith Wealth Management38,585$616K0.1%+1.8%0.189% 7/14/2025 CHICAGO TRUST Co NA10,325$165K0.0%N/A0.050% 7/10/2025 Wealth Enhancement Advisory Services LLC12,652$213K0.0%-19.9%0.062% 7/8/2025 Gradient Investments LLC21,569$344K0.0%-3.9%0.105% 6/27/2025 Goldman Sachs Group Inc.113,534$1.53M0.0%-46.9%0.555% 5/29/2025 Rhumbline Advisers18,443$248K0.0%-3.9%0.090% 5/28/2025 Strs Ohio33,500$450K0.0%N/A0.164% 5/19/2025 Jane Street Group LLC47,194$634K0.0%+158.6%0.231% 5/16/2025 Empowered Funds LLC98,207$1.32M0.0%+7.3%0.480% 5/16/2025 Goldman Sachs Group Inc.113,534$1.53M0.0%-46.9%0.555% 5/16/2025 Polar Asset Management Partners Inc.131,053$1.76M0.0%+35.7%0.641% 5/16/2025 Jacobs Levy Equity Management Inc.132,498$1.78M0.0%-2.0%0.648% 5/16/2025 Granahan Investment Management LLC478,038$6.42M0.3%-17.4%2.336% 5/16/2025 Bridgeway Capital Management LLC212,875$2.86M0.1%+3.8%1.040% 5/16/2025 AQR Capital Management LLC69,809$938K0.0%-2.6%0.341% 5/16/2025 Ancora Advisors LLC309,580$4.16M0.1%+0.6%1.513% Man Who Called Nvidia at $1.10 Says Buy This Now... (Ad)In 2004, one man called Nvidia before just about anyone knew it existed. Now, this same guy says a new company could become the next to soar like Nvidia.Watch Alex's "Next Magnificent Seven" presentation now.5/15/2025 Royal Bank of Canada18,105$243K0.0%-5.2%0.088% 5/15/2025 Expect Equity LLC54,574$733K0.8%-27.0%0.267% 5/15/2025 State of Wyoming18,078$243K0.0%+190.2%0.088% 5/14/2025 AlphaQuest LLC7,879$106K0.0%+222.8%0.039% 5/14/2025 Martingale Asset Management L P44,815$602K0.0%+6.2%0.219% 5/14/2025 EntryPoint Capital LLC16,491$221K0.1%N/A0.081% 5/13/2025 Tocqueville Asset Management L.P.621,204$8.34M0.1%-1.4%3.042% 5/13/2025 American Century Companies Inc.252,139$3.39M0.0%+14.8%1.235% 5/13/2025 Russell Investments Group Ltd.200,312$2.69M0.0%-7.2%0.981% 5/12/2025 Nuveen LLC47,917$644K0.0%N/A0.235% 5/12/2025 Invesco Ltd.32,768$440K0.0%-9.0%0.160% 5/9/2025 CenterBook Partners LP98,553$1.32M0.1%N/A0.483% 5/9/2025 Deutsche Bank AG10,207$137K0.0%-15.8%0.050% 5/9/2025 Blair William & Co. IL92,250$1.24M0.0%-53.3%0.452% 5/6/2025 Royce & Associates LP591,319$7.94M0.1%+1.2%2.896% 5/2/2025 SeaBridge Investment Advisors LLC16,345$220K0.0%N/A0.080% 5/2/2025 Victory Capital Management Inc.13,385$180K0.0%N/A0.066% 4/29/2025 Bank of New York Mellon Corp37,102$498K0.0%-3.0%0.182% 4/24/2025 Allspring Global Investments Holdings LLC2,441,077$33.57M0.1%+0.1%11.954% 4/23/2025 Sheets Smith Wealth Management37,905$509K0.1%+3.8%0.186% 4/23/2025 Oppenheimer Asset Management Inc.11,348$152K0.0%N/A0.056% 4/17/2025 Janney Montgomery Scott LLC36,309$488K0.0%+4.7%0.178% 4/17/2025 Ritholtz Wealth Management13,090$176K0.0%-48.3%0.064% 4/16/2025 Wealth Enhancement Advisory Services LLC15,791$212K0.0%+29.1%0.077% 4/7/2025 GAMMA Investing LLC3,035$41K0.0%+9,690.3%0.015% 2/25/2025 Polar Asset Management Partners Inc.96,553$1.52M0.0%N/A0.468% 2/17/2025 Squarepoint Ops LLC27,146$427K0.0%N/A0.132% 2/17/2025 State of Wyoming6,229$98K0.0%-55.8%0.030% 2/17/2025 Polar Asset Management Partners Inc.96,553$1.52M0.0%N/A0.468% 2/17/2025 Nokomis Capital L.L.C.449,792$7.07M2.5%+270.0%2.179% 2/17/2025 Millennium Management LLC30,344$477K0.0%N/A0.147% 2/17/2025 Lazard Asset Management LLC20,864$327K0.0%+90.2%0.101% 2/17/2025 Jacobs Levy Equity Management Inc.135,193$2.13M0.0%+10.8%0.655% 2/17/2025 Granahan Investment Management LLC578,967$9.10M0.4%+71.2%2.805% 2/17/2025 Expect Equity LLC74,744$1.18M1.2%N/A0.362% 2/17/2025 Deutsche Bank AG12,122$191K0.0%+94.7%0.059% 2/17/2025 Bridgeway Capital Management LLC205,081$3.22M0.1%-3.0%0.994% 2/17/2025 Bank of America Corp DE216,926$3.41M0.0%+1.2%1.051% 2/17/2025 BNP Paribas Financial Markets8,672$136K0.0%-70.8%0.042% 2/17/2025 Ameriprise Financial Inc.112,113$1.76M0.0%+6.2%0.543% 2/17/2025 Ancora Advisors LLC307,789$4.84M0.1%+24.6%1.491% 2/14/2025 Jane Street Group LLC18,248$287K0.0%+28.2%0.088% 2/14/2025 Northern Trust Corp101,334$1.59M0.0%+3.2%0.491% 2/14/2025 Aquatic Capital Management LLC2,773$44K0.0%N/A0.013% 2/14/2025 Dimensional Fund Advisors LP704,659$11.08M0.0%+13.7%3.414% 2/13/2025 Barclays PLC38,143$600K0.0%+1.8%0.185% 2/13/2025 Raymond James Financial Inc.17,121$269K0.0%N/A0.083% 2/13/2025 Martingale Asset Management L P42,211$664K0.0%+16.2%0.205% 2/13/2025 Renaissance Technologies LLC112,700$1.77M0.0%-11.2%0.546% 2/13/2025 Invesco Ltd.36,000$566K0.0%-83.6%0.174% Man Who Called Nvidia at $1.10 Says Buy This Now... (Ad)In 2004, one man called Nvidia before just about anyone knew it existed. Now, this same guy says a new company could become the next to soar like Nvidia.Watch Alex's "Next Magnificent Seven" presentation now.2/13/2025 Russell Investments Group Ltd.215,783$3.39M0.0%+14.3%1.045% 2/13/2025 Wells Fargo & Company MN24,407$384K0.0%-12.2%0.118% 2/13/2025 Riverwater Partners LLC21,577$339K0.2%-7.5%0.105% 2/13/2025 Integrated Quantitative Investments LLC11,264$177K0.1%N/A0.055% 2/13/2025 JB Capital Partners LP250,512$3.94M0.8%+3.7%1.214% 2/12/2025 O Shaughnessy Asset Management LLC41,363$650K0.0%+2.3%0.200% 2/12/2025 Arrowstreet Capital Limited Partnership252,396$3.97M0.0%+47.2%1.223% 2/12/2025 Blair William & Co. IL197,740$3.11M0.0%+24.8%0.958% 2/11/2025 LPL Financial LLC34,046$535K0.0%+58.7%0.165% 2/11/2025 Sei Investments Co.48,570$764K0.0%+5.1%0.235% (Data available from 1/1/2016 forward) MEC Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of MEC shares? During the previous two years, 97 institutional investors and hedge funds held shares of Mayville Engineering. The most heavily invested institutionals were Allspring Global Investments Holdings LLC ($39.77M), Dimensional Fund Advisors LP ($11.08M), Tocqueville Asset Management L.P. ($8.34M), Royce & Associates LP ($7.94M), Vanguard Group Inc. ($7.71M), Nokomis Capital L.L.C. ($7.07M), and Granahan Investment Management LLC ($6.42M).Learn more on Mayville Engineering's institutional investors. What percentage of Mayville Engineering's stock is owned by institutional investors? 45.44% of Mayville Engineering's stock is owned by institutional investors. Learn more on MEC's institutional investor holdings. Which institutional investors have been buying Mayville Engineering's stock? Of the 82 institutional investors that purchased Mayville Engineering's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Blair William & Co. IL ($332.78K), Nokomis Capital L.L.C. ($328.22K), First Eagle Investment Management LLC ($285.49K), Granahan Investment Management LLC ($240.75K), Polar Asset Management Partners Inc. ($227.61K), American Century Companies Inc. ($170.48K), and Dimensional Fund Advisors LP ($162.57K). How much institutional buying is happening at Mayville Engineering? Institutional investors have bought a total of 2,892,925 shares in the last 24 months. This purchase volume represents approximately $46.60M in transactions. Which of Mayville Engineering's major shareholders have been selling company stock? Of the 37 institutional investors that sold Mayville Engineering's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Goldman Sachs Group Inc. ($200.45K), Invesco Ltd. ($189.45K), Allspring Global Investments Holdings LLC ($139.63K), Blair William & Co. IL ($105.49K), Granahan Investment Management LLC ($100.93K), Royce & Associates LP ($99.62K), and Marshall Wace LLP ($36.81K). How much institutional selling is happening at Mayville Engineering? Institutional investors have sold a total of 1,098,850 shares in the last 24 months. This volume of shares sold represents approximately $17.42M in transactions. 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