SEC 13F Intelligence

MECMAYVILLE ENGR CO INC

CUSIP 578605107 · Yahoo Finance ↗ · Google Finance ↗

Mayville Engr Co Inc (MEC) has 123 institutional holders in Filings Flow’s 13F database, together reporting 14.42M shares worth $258M as of Q1 2026. The largest reported holders are Allspring Global Investments Holdings, LLC, Dimensional Fund Advisors LP, and Blackrock, Inc..

Institutional Holders
123
Q1 2026
Reported Value
$258M
Ticker
MEC
Quarters Tracked
8

Ownership Trend

Institutional holders
Q2 ’19: 36Q2 ’19Q3 ’19: 35Q3 ’19Q2 ’21: 44Q2 ’21Q4 ’21: 57Q4 ’21Q4 ’22: 55Q4 ’22Q4 ’25: 121Q4 ’25Q1 ’26: 123Q1 ’26Q2 ’26: 5Q2 ’26filingsflow.com
Total reported value
Q2 ’19: $47MQ2 ’19Q3 ’19: $44MQ3 ’19Q2 ’21: $88MQ2 ’21Q4 ’21: $257MQ4 ’21Q4 ’22: $68MQ4 ’22Q4 ’25: $259MQ4 ’25Q1 ’26: $258MQ1 ’26Q2 ’26: $3MQ2 ’26filingsflow.com

Holders

Mixed quarters
Manager% of PortfolioValueSharesQuarter
EVR Research LP$250M AUM4.45%$11M620.0KQ1 2026OLDER
22NW, LP$146M AUM3.26%$8M414.3KQ4 2025OLDER
Roubaix Capital, LLC$214M AUM1.76%$4M210.7KQ1 2026OLDER
Panoramic Capital, LLC$142M AUM1.76%$3M140.0KQ1 2026OLDER
Congruence Capital, LLC$298M AUM1.41%$4M234.5KQ1 2026OLDER
FORMULA GROWTH LTD$222M AUM0.81%$2M100.0KQ1 2026OLDER
Portolan Capital Management, LLC$1.9B AUM0.78%$15M821.1KQ1 2026OLDER
JB CAPITAL PARTNERS LP$581M AUM0.77%$4M250.5KQ1 2026OLDER
SummerHaven Investment Management, LLC$163M AUM0.50%$813,58445.3KQ1 2026OLDER
Granahan Investment Management, LLC$2.1B AUM0.34%$7M387.5KQ1 2026OLDER
GLOBEFLEX CAPITAL L P$661M AUM0.25%$2M116.5KQ3 2025OLDER
Integrated Quantitative Investments LLC$551M AUM0.16%$909,32950.7KQ1 2026OLDER
ROYCE & ASSOCIATES LP$10.1B AUM0.13%$13M751.0KQ1 2026OLDER
EntryPoint Capital, LLC$341M AUM0.13%$331,58824.1KQ3 2025OLDER
CenterBook Partners LP$1.9B AUM0.12%$2M120.3KQ1 2026OLDER
BRIDGEWAY CAPITAL MANAGEMENT, LLC$5.0B AUM0.08%$4M222.7KQ1 2026OLDER
SHEETS SMITH WEALTH MANAGEMENT$888M AUM0.08%$699,60139.0KQ1 2026OLDER
Numerai GP LLC$997M AUM0.07%$713,60239.8KQ1 2026OLDER
Allspring Global Investments Holdings, LLC$59.7B AUM0.06%$36M2.00MQ1 2026OLDER
Legato Capital Management LLC$1.1B AUM0.06%$640,77935.7KQ1 2026OLDER
Rothschild Wealth LLC$1.1B AUM0.05%$561,60030.0KQ4 2025OLDER
ANCHOR CAPITAL ADVISORS LLC$3.5B AUM0.04%$1M81.4KQ1 2026OLDER
KENNEDY CAPITAL MANAGEMENT LLC$4.7B AUM0.04%$2M106.8KQ1 2026OLDER
SILVERCREST ASSET MANAGEMENT GROUP LLC$13.8B AUM0.03%$5M269.7KQ1 2026OLDER
North Star Investment Management Corp.$1.7B AUM0.03%$538,50030.0KQ1 2026OLDER
BLAIR WILLIAM & CO/IL$34.9B AUM0.03%$10M565.3KQ1 2026OLDER
MIRABELLA FINANCIAL SERVICES LLP$1.1B AUM0.02%$223,11912.4KQ1 2026OLDER
Wealthspire Advisors, LLC$12.7B AUM0.02%$3M141.6KQ1 2026OLDER
JOURNEY STRATEGIC WEALTH LLC$4.0B AUM0.02%$793,49844.2KQ1 2026OLDER
State of Wyoming$844M AUM0.02%$169,45412.3KQ3 2025OLDER
TOCQUEVILLE ASSET MANAGEMENT L.P.$6.7B AUM0.02%$1M71.1KQ1 2026OLDER
NEEDHAM INVESTMENT MANAGEMENT LLC$2.0B AUM0.02%$359,00020.0KQ1 2026OLDER
Heck Capital Advisors, LLC$1.3B AUM0.02%$206,31811.5KQ1 2026OLDER
Empowered Funds, LLC$15.7B AUM0.01%$2M123.3KQ2 2026
XTX Topco Ltd$5.8B AUM0.01%$744,53041.5KQ1 2026OLDER
MARTINGALE ASSET MANAGEMENT L P$4.0B AUM0.01%$489,99435.6KQ3 2025OLDER
First Eagle Investment Management, LLC$59.0B AUM0.01%$7M404.1KQ1 2026OLDER
Ancora Advisors LLC$4.7B AUM0.01%$576,78732.1KQ1 2026OLDER
Johnson Financial Group, Inc.$2.8B AUM0.01%$295,72716.5KQ1 2026OLDER
SummitTX Capital, L.P.$3.2B AUM0.01%$335,59318.7KQ1 2026OLDER
Avior Wealth Management, LLC$3.8B AUM0.01%$281,6627.5KQ2 2026
Quantbot Technologies LP$2.4B AUM0.00%$146,5217.8KQ4 2025OLDER
Gradient Investments LLC$7.2B AUM0.00%$307,01717.1KQ1 2026OLDER
Aquatic Capital Management LLC$3.5B AUM0.00%$159,7738.9KQ1 2026OLDER
Boston Partners$95.5B AUM0.00%$4M232.6KQ1 2026OLDER
DIMENSIONAL FUND ADVISORS LP$481.4B AUM0.00%$17M926.2KQ1 2026OLDER
BOOTHBAY FUND MANAGEMENT, LLC$7.7B AUM0.00%$227,63512.2KQ4 2025OLDER
MILLENNIUM MANAGEMENT LLC$240.3B AUM0.00%$7M381.0KQ1 2026OLDER
Russell Investments Group, Ltd.$93.1B AUM0.00%$2M138.2KQ1 2026OLDER
OSAIC HOLDINGS, INC.$68.3B AUM0.00%$2M99.1KQ1 2026OLDER
PANAGORA ASSET MANAGEMENT INC$26.7B AUM0.00%$659,93236.8KQ1 2026OLDER
O'SHAUGHNESSY ASSET MANAGEMENT, LLC$20.1B AUM0.00%$473,34226.4KQ1 2026OLDER
Squarepoint Ops LLC$85.1B AUM0.00%$2M110.6KQ1 2026OLDER
JACOBS LEVY EQUITY MANAGEMENT, INC$23.8B AUM0.00%$596,56931.9KQ4 2025OLDER
HARBOUR INVESTMENTS, INC.$6.5B AUM0.00%$138,2157.7KQ1 2026OLDER
AMERICAN CENTURY COMPANIES INC$194.3B AUM0.00%$4M221.7KQ1 2026OLDER
SEI INVESTMENTS CO$108.4B AUM0.00%$2M122.9KQ1 2026OLDER
Quarry LP$558M AUM0.00%$12,336659Q4 2025OLDER
Brevan Howard Capital Management LP$11.3B AUM0.00%$215,81312.0KQ1 2026OLDER
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$184.8B AUM0.00%$3M185.3KQ1 2026OLDER
RENAISSANCE TECHNOLOGIES LLC$63.9B AUM0.00%$1M62.9KQ1 2026OLDER
ExodusPoint Capital Management, LP$12.6B AUM0.00%$211,83611.3KQ4 2025OLDER
AMERIPRISE FINANCIAL INC$431.8B AUM0.00%$6M351.8KQ1 2026OLDER
STATE OF WISCONSIN INVESTMENT BOARD$43.7B AUM0.00%$579,10332.3KQ1 2026OLDER
STRS OHIO$25.2B AUM0.00%$306,84822.3KQ3 2025OLDER
HighTower Advisors, LLC$94.2B AUM0.00%$800,33744.6KQ1 2026OLDER
PICTON MAHONEY ASSET MANAGEMENT$13.5B AUM0.00%$108,5765.8KQ4 2025OLDER
Ameritas Investment Partners, Inc.$3.3B AUM0.00%$26,0991.5KQ1 2026OLDER
MetLife Investment Management, LLC$19.6B AUM0.00%$142,8468.0KQ1 2026OLDER
Police & Firemen's Retirement System of New Jersey$11.7B AUM0.00%$83,4854.7KQ1 2026OLDER
BAYBAN$115M AUM0.00%$77243Q1 2026OLDER
Tower Research Capital LLC (TRC)$3.8B AUM0.00%$22,9941.3KQ1 2026OLDER
TWO SIGMA INVESTMENTS, LP$123.9B AUM0.00%$623,00934.7KQ1 2026OLDER
Clearstead Advisors, LLC$10.9B AUM0.00%$39,2002.1KQ4 2025OLDER
VANGUARD FIDUCIARY TRUST CO$396.1B AUM0.00%$2M91.0KQ1 2026OLDER
GEODE CAPITAL MANAGEMENT, LLC$1.61T AUM0.00%$6M335.8KQ1 2026OLDER
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC$49.1B AUM0.00%$245,36013.8KQ4 2025OLDER
UBS Group AG$666.3B AUM0.00%$2M116.6KQ1 2026OLDER
PRUDENTIAL FINANCIAL INC$81.2B AUM0.00%$261,78419.0KQ3 2025OLDER
JANE STREET GROUP, LLC$777.2B AUM0.00%$2M98.9KQ4 2025OLDER
RHUMBLINE ADVISERS$116.9B AUM0.00%$326,68218.2KQ1 2026OLDER
BlackRock, Inc.$5.72T AUM0.00%$16M881.9KQ1 2026OLDER
VANGUARD CAPITAL MANAGEMENT LLC$4.04T AUM0.00%$11M594.9KQ1 2026OLDER
Torren Management, LLC$201M AUM0.00%$48726Q4 2025OLDER
GAMMA Investing LLC$2.7B AUM0.00%$6,518174Q2 2026
BANK OF AMERICA CORP /DE/$1.37T AUM0.00%$3M183.6KQ1 2026OLDER
NORTHERN TRUST CORP$756.6B AUM0.00%$2M100.4KQ1 2026OLDER
Nuveen, LLC$369.3B AUM0.00%$851,15447.4KQ1 2026OLDER
Annis Gardner Whiting Capital Advisors, LLC$625M AUM0.00%$1,43680Q1 2026OLDER
RAYMOND JAMES FINANCIAL INC$324.4B AUM0.00%$723,94038.7KQ4 2025OLDER
VICTORY CAPITAL MANAGEMENT INC$156.1B AUM0.00%$367,81926.7KQ3 2025OLDER
Vermillion Wealth Management, Inc.$255M AUM0.00%$53930Q1 2026OLDER
D. E. Shaw & Co., Inc.$166.3B AUM0.00%$363,46819.4KQ4 2025OLDER
STATE STREET CORP$2.90T AUM0.00%$5M285.9KQ1 2026OLDER
Bare Financial Services, Inc$378M AUM0.00%$66437Q1 2026OLDER
VANGUARD GROUP INC$6.90T AUM0.00%$12M627.7KQ4 2025OLDER
AQR CAPITAL MANAGEMENT LLC$218.4B AUM0.00%$365,87520.4KQ1 2026OLDER
CITADEL ADVISORS LLC$618.5B AUM0.00%$1M56.8KQ1 2026OLDER
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$73.7B AUM0.00%$112,0266.2KQ1 2026OLDER
Sterling Capital Management LLC$5.3B AUM0.00%$7,198401Q1 2026OLDER
NEW YORK STATE COMMON RETIREMENT FUND$71.6B AUM0.00%$96,8405.4KQ1 2026OLDER
GOLDMAN SACHS GROUP INC$870.9B AUM0.00%$1M64.9KQ1 2026OLDER
Bank of New York Mellon Corp$543.9B AUM0.00%$697,37538.9KQ1 2026OLDER
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO$30.9B AUM0.00%$40,9782.2KQ4 2025OLDER
Essential Partners LLC$250M AUM0.00%$28718Q1 2026OLDER
CHARLES SCHWAB INVESTMENT MANAGEMENT INC$654.5B AUM0.00%$719,75940.1KQ1 2026OLDER
LPL Financial LLC$376.6B AUM0.00%$390,78921.8KQ1 2026OLDER
ENVESTNET ASSET MANAGEMENT INC$373.6B AUM0.00%$364,40320.3KQ1 2026OLDER
MORGAN STANLEY$1.67T AUM0.00%$2M82.4KQ1 2026OLDER
BARCLAYS PLC$416.3B AUM0.00%$341,55219.0KQ1 2026OLDER
ALLIANCEBERNSTEIN L.P.$308.8B AUM0.00%$239,80312.8KQ1 2026OLDER
Invesco Ltd.$653.3B AUM0.00%$485,15327.0KQ1 2026OLDER
VANGUARD PORTFOLIO MANAGEMENT LLC$1.91T AUM0.00%$1M75.9KQ1 2026OLDER
DEUTSCHE BANK AG\$302.7B AUM0.00%$183,75410.2KQ1 2026OLDER
FRANKLIN RESOURCES INC$408.3B AUM0.00%$242,82813.5KQ1 2026OLDER
Vanguard Global Advisers, LLC$186.5B AUM0.00%$106,5515.9KQ1 2026OLDER
JONES FINANCIAL COMPANIES LLLP$208.1B AUM0.00%$109,4046.2KQ1 2026OLDER
Parkside Financial Bank & Trust$1.3B AUM0.00%$62935Q1 2026OLDER
True Wealth Design, LLC$360M AUM0.00%$1629Q1 2026OLDER
CWM, LLC$38.1B AUM0.00%$16,550922Q1 2026OLDER
WELLS FARGO & COMPANY/MN$530.3B AUM0.00%$225,61412.6KQ2 2026
MAI Capital Management$17.7B AUM0.00%$7,432414Q1 2026OLDER
Advisory Services Network, LLC$7.5B AUM0.00%$2,064115Q1 2026OLDER
COMERICA BANK$25.1B AUM0.00%$6,695358Q4 2025OLDER
BNP PARIBAS FINANCIAL MARKETS$205.8B AUM0.00%$50,2242.8KQ1 2026OLDER
EverSource Wealth Advisors, LLC$3.3B AUM0.00%$44925Q1 2026OLDER
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM$94.5B AUM0.00%$12,709708Q1 2026OLDER
CITIGROUP INC$234.5B AUM0.00%$29,3851.6KQ1 2026OLDER
ROYAL BANK OF CANADA$570.1B AUM0.00%$62,0003.4KQ1 2026OLDER
Rockefeller Capital Management L.P.$56.4B AUM0.00%$4,954276Q1 2026OLDER
JPMORGAN CHASE & CO$1.56T AUM0.00%$95,8085.5KQ1 2026OLDER
Legal & General Group Plc$432.4B AUM0.00%$22,6171.3KQ1 2026OLDER
Allworth Financial LP$24.7B AUM0.00%$1,04258Q1 2026OLDER
Root Financial Partners, LLC$2.2B AUM0.00%$905Q1 2026OLDER
FMR LLC$1.90T AUM0.00%$76,4874.3KQ1 2026OLDER
FIFTH THIRD BANCORP$54.7B AUM0.00%$2,111118Q1 2026OLDER
Farther Finance Advisors, LLC$10.6B AUM0.00%$25114Q1 2026OLDER
CIBC Private Wealth Group LLC$59.2B AUM0.00%$1,10180Q3 2025OLDER
NISA INVESTMENT ADVISORS, LLC$27.0B AUM0.00%$46726Q1 2026OLDER
Arax Advisory Partners$3.5B AUM0.00%$372Q4 2025OLDER
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC$481.0B AUM0.00%$4,111229Q1 2026OLDER
Optiver Holding B.V.$289.5B AUM0.00%$2,226124Q2 2026
US BANCORP \DE\$82.4B AUM0.00%$19711Q1 2026OLDER
PNC FINANCIAL SERVICES GROUP, INC.$173.2B AUM0.00%$35920Q1 2026OLDER

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.