MEC
Mayville Engineering Company, Inc.
$33.93
-0.56 (-1.62%)
At close · Jul 15
Market Cap
$673.23M
Shares
20,494,006
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
The Jun 30, 2026 filing window is
still open — showing the latest known positions. Funds that have not filed yet
carry their prior-quarter positions; a fund that filed without this stock counts
as sold out.
Holders: 123
Total Value: $259,755,456
Total Shares: 14,331,399
Showing 1–100
of 123 holdings by value
· page 1 of 2
Institutional Ownership Trend
26 quarters
Holder Concentration
Across 123 13F filersTop Holder
14.0%
of institutional value
Top 5
37.6%
of institutional value
Top 10
55.5%
of institutional value
HHI
458
Broadly held
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Large Allspring Global Investments Holdings, LLC | $35,906,281 | 13.82% | 2,000,350 | Shares | Defined | 2026-05-05 | ||||
| Mega DIMENSIONAL FUND ADVISORS LP | $16,625,575 | 6.40% | 926,216 | Shares | Sole | 2026-05-07 | ||||
| Mega BlackRock, Inc. | $15,829,277 | 6.09% | 881,854 | Shares | Sole | 2026-05-13 | ||||
| Mid Portolan Capital Management, LLC | $14,739,391 | 5.67% | 821,136 | Shares | Sole | 2026-05-15 | ||||
| Mid ROYCE & ASSOCIATES LP | $13,480,467 | 5.19% | 751,001 | Shares | Sole | 2026-05-12 | ||||
| Small EVR Research LP | $11,129,000 | 4.28% | 620,000 | Shares | Sole | 2026-05-14 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $10,679,137 | 4.11% | 594,938 | Shares | Defined | 2026-05-15 | ||||
| Large BLAIR WILLIAM & CO/IL | $10,147,135 | 3.91% | 565,300 | Shares | Sole | 2026-05-08 | ||||
| Large First Eagle Investment Management, LLC | $7,253,146 | 2.79% | 404,075 | Shares | Sole | 2026-05-14 | ||||
| Mid Granahan Investment Management, LLC | $6,955,086 | 2.68% | 387,470 | Shares | Sole | 2026-05-15 | ||||
| Mega MILLENNIUM MANAGEMENT LLC | $6,838,447 | 2.63% | 380,972 | Shares | Sole | 2026-05-15 | ||||
| Mega AMERIPRISE FINANCIAL INC | $6,314,630 | 2.43% | 351,790 | Shares | Defined | 2026-05-15 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $6,028,237 | 2.32% | 335,835 | Shares | Defined | 2026-05-15 | ||||
| Mega STATE STREET CORP | $5,131,007 | 1.98% | 285,850 | Shares | Defined | 2026-05-15 | ||||
| Large SILVERCREST ASSET MANAGEMENT GROUP LLC | $4,840,773 | 1.86% | 269,681 | Shares | Sole | 2026-05-15 | ||||
| Small JB CAPITAL PARTNERS LP | $4,496,690 | 1.73% | 250,512 | Shares | Sole | 2026-05-14 | ||||
| Small Congruence Capital, LLC | $4,208,826 | 1.62% | 234,475 | Shares | Other | 2026-05-14 | ||||
| Large Boston Partners | $4,175,833 | 1.61% | 232,637 | Shares | Defined | 2026-05-11 | ||||
| Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC | $3,997,518 | 1.54% | 222,703 | Shares | Sole | 2026-05-15 | ||||
| Mega AMERICAN CENTURY COMPANIES INC | $3,979,030 | 1.53% | 221,673 | Shares | Defined | 2026-05-15 | ||||
| Small Roubaix Capital, LLC | $3,781,293 | 1.46% | 210,657 | Shares | Sole | 2026-05-06 | ||||
| Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $3,325,434 | 1.28% | 185,261 | Shares | Defined | 2026-05-14 | ||||
| Mega BANK OF AMERICA CORP /DE/ Bank | $3,295,601 | 1.27% | 183,599 | Shares | Defined | 2026-05-18 | ||||
| Mid Wealthspire Advisors, LLC | $2,541,845 | 0.98% | 141,607 | Shares | Sole | 2026-05-01 | ||||
| Small Panoramic Capital, LLC | $2,513,000 | 0.97% | 140,000 | Shares | Sole | 2026-05-15 | ||||
| Large Russell Investments Group, Ltd. | $2,480,957 | 0.96% | 138,215 | Shares | Defined | 2026-05-08 | ||||
| Large Empowered Funds, LLC | $2,213,109 | 0.85% | 123,293 | Shares | Other | 2026-05-15 | ||||
| Micro Essential Investment Partners LLC | $2,205,869 | 0.85% | 58,886 | Shares | Sole | 2026-07-15 | ||||
| Large SEI INVESTMENTS CO | $2,205,659 | 0.85% | 122,878 | Shares | Sole | 2026-05-13 | ||||
| Mid CenterBook Partners LP | $2,159,438 | 0.83% | 120,303 | Shares | Sole | 2026-05-05 | ||||
| Mega UBS Group AG | $2,092,449 | 0.81% | 116,571 | Shares | Defined | 2026-05-05 | ||||
| Large Squarepoint Ops LLC | $1,984,713 | 0.76% | 110,569 | Shares | Defined | 2026-05-15 | ||||
| Mid KENNEDY CAPITAL MANAGEMENT LLC | $1,916,898 | 0.74% | 106,791 | Shares | Sole | 2026-05-13 | ||||
| Mega NORTHERN TRUST CORP Bank | $1,801,891 | 0.69% | 100,384 | Shares | Defined | 2026-05-14 | ||||
| Small FORMULA GROWTH LTD | $1,795,000 | 0.69% | 100,000 | Shares | Sole | 2026-05-14 | ||||
| Large OSAIC HOLDINGS, INC. | $1,778,916 | 0.68% | 99,104 | Shares | Defined | 2026-05-15 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $1,634,239 | 0.63% | 91,044 | Shares | Defined | 2026-05-08 | ||||
| Mid ANCHOR CAPITAL ADVISORS LLC | $1,461,883 | 0.56% | 81,442 | Shares | Sole | 2026-05-12 | ||||
| Small SHEETS SMITH WEALTH MANAGEMENT | $1,419,621 | 0.55% | 37,897 | Shares | Sole | 2026-07-13 | ||||
| Mid TOCQUEVILLE ASSET MANAGEMENT L.P. | $1,276,245 | 0.49% | 71,100 | Shares | Sole | 2026-05-12 | ||||
| Mega GOLDMAN SACHS GROUP INC | $1,165,098 | 0.45% | 64,908 | Shares | Defined | 2026-05-15 | ||||
| Large RENAISSANCE TECHNOLOGIES LLC | $1,129,055 | 0.43% | 62,900 | Shares | Sole | 2026-05-14 | ||||
| Mega CITADEL ADVISORS LLC | $1,019,308 | 0.39% | 56,786 | Shares | Defined | 2026-05-15 | ||||
| Small Integrated Quantitative Investments LLC | $909,329 | 0.35% | 50,659 | Shares | Sole | 2026-05-13 | ||||
| Mega Nuveen, LLC | $851,152 | 0.33% | 47,418 | Shares | Defined | 2026-04-30 | ||||
| Small SummerHaven Investment Management, LLC | $813,583 | 0.31% | 45,325 | Shares | Sole | 2026-04-24 | ||||
| Large HighTower Advisors, LLC | $800,336 | 0.31% | 44,587 | Shares | Sole | 2026-05-05 | ||||
| Mid JOURNEY STRATEGIC WEALTH LLC | $793,497 | 0.31% | 44,206 | Shares | Sole | 2026-04-15 | ||||
| Mid XTX Topco Ltd | $744,530 | 0.29% | 41,478 | Shares | Defined | 2026-05-15 | ||||
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $719,759 | 0.28% | 40,098 | Shares | Sole | 2026-05-15 | ||||
| Small Numerai GP LLC | $713,602 | 0.27% | 39,755 | Shares | Sole | 2026-05-15 | ||||
| Mega Bank of New York Mellon Corp Bank | $697,375 | 0.27% | 38,851 | Shares | Defined | 2026-05-05 | ||||
| Large PANAGORA ASSET MANAGEMENT INC | $659,931 | 0.25% | 36,765 | Shares | Sole | 2026-05-14 | ||||
| Mid Legato Capital Management LLC | $640,779 | 0.25% | 35,698 | Shares | Other | 2026-05-14 | ||||
| Mega TWO SIGMA INVESTMENTS, LP | $623,008 | 0.24% | 34,708 | Shares | Sole | 2026-05-15 | ||||
| Large STATE OF WISCONSIN INVESTMENT BOARD | $579,102 | 0.22% | 32,262 | Shares | Sole | 2026-05-15 | ||||
| Mid Ancora Advisors LLC | $576,787 | 0.22% | 32,133 | Shares | Sole | 2026-05-15 | ||||
| Large Janney Montgomery Scott LLC | $561,924 | 0.22% | 31,305 | Shares | Sole | 2026-04-22 | ||||
| Mid North Star Investment Management Corp. | $538,500 | 0.21% | 30,000 | Shares | Sole | 2026-04-23 | ||||
| Large WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | $522,417 | 0.20% | 13,946 | Shares | Sole | 2026-07-15 | ||||
| Mega Invesco Ltd. | $485,151 | 0.19% | 27,028 | Shares | Defined | 2026-05-12 | ||||
| Large O'SHAUGHNESSY ASSET MANAGEMENT, LLC | $473,341 | 0.18% | 26,370 | Shares | Sole | 2026-05-13 | ||||
| Mega MORGAN STANLEY | $427,818 | 0.16% | 23,834 | Shares | Defined | 2026-05-15 | ||||
| Mega LPL Financial LLC | $390,789 | 0.15% | 21,771 | Shares | Sole | 2026-05-06 | ||||
| Small Heck Capital Advisors, LLC | $377,297 | 0.15% | 10,072 | Shares | Sole | 2026-07-10 | ||||
| Mega AQR CAPITAL MANAGEMENT LLC | $365,872 | 0.14% | 20,383 | Shares | Other | 2026-05-15 | ||||
| Mega ENVESTNET ASSET MANAGEMENT INC | $364,402 | 0.14% | 20,301 | Shares | Sole | 2026-05-04 | ||||
| Mid NEEDHAM INVESTMENT MANAGEMENT LLC | $359,000 | 0.14% | 20,000 | Shares | Defined | 2026-05-15 | ||||
| Mega BARCLAYS PLC | $341,552 | 0.13% | 19,028 | Shares | Defined | 2026-05-15 | ||||
| Mid SummitTX Capital, L.P. | $335,593 | 0.13% | 18,696 | Shares | Sole | 2026-05-15 | ||||
| Mega RHUMBLINE ADVISERS | $326,690 | 0.13% | 18,200 | Shares | Sole | 2026-05-12 | ||||
| Small Johnson Financial Group, Inc. | $295,726 | 0.11% | 16,475 | Shares | Defined | 2026-05-07 | ||||
| Small Avior Wealth Management, LLC | $281,661 | 0.11% | 7,519 | Shares | Sole | 2026-07-07 | ||||
| Micro Worth Venture Partners, LLC Venture Capital | $271,224 | 0.10% | 15,110 | Shares | Other | 2026-05-14 | ||||
| Mega FRANKLIN RESOURCES INC | $242,827 | 0.09% | 13,528 | Shares | Defined | 2026-05-13 | ||||
| Mega ALLIANCEBERNSTEIN L.P. | $229,939 | 0.09% | 12,810 | Shares | Defined | 2026-05-15 | ||||
| Mega WELLS FARGO & COMPANY/MN | $225,613 | 0.09% | 12,569 | Shares | Defined | 2026-05-11 | ||||
| Small MIRABELLA FINANCIAL SERVICES LLP | $223,118 | 0.09% | 12,430 | Shares | Sole | 2026-05-12 | ||||
| Mid Brevan Howard Capital Management LP | $215,812 | 0.08% | 12,023 | Shares | Defined | 2026-05-15 | ||||
| Mega DEUTSCHE BANK AG\ Bank | $183,754 | 0.07% | 10,237 | Shares | Defined | 2026-05-06 | ||||
| Mid Aquatic Capital Management LLC | $159,772 | 0.06% | 8,901 | Shares | Sole | 2026-05-15 | ||||
| Large MetLife Investment Management, LLC | $142,846 | 0.05% | 7,958 | Shares | Defined | 2026-05-14 | ||||
| Mid HARBOR CAPITAL ADVISORS, INC. | $139,740 | 0.05% | 7,785 | Shares | Sole | 2026-04-28 | ||||
| Mid HARBOUR INVESTMENTS, INC. | $138,215 | 0.05% | 7,700 | Shares | Sole | 2026-05-15 | ||||
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund | $112,025 | 0.04% | 6,241 | Shares | Defined | 2026-05-15 | ||||
| Large JONES FINANCIAL COMPANIES LLLP | $110,948 | 0.04% | 6,181 | Shares | Sole | 2026-05-15 | ||||
| Mega Vanguard Global Advisers, LLC | $106,551 | 0.04% | 5,936 | Shares | Defined | 2026-05-08 | ||||
| Mega JPMORGAN CHASE & CO | $98,383 | 0.04% | 5,481 | Shares | Defined | 2026-05-13 | ||||
| Large NEW YORK STATE COMMON RETIREMENT FUND Pension | $96,840 | 0.04% | 5,395 | Shares | Sole | 2026-05-06 | ||||
| Large Police & Firemen's Retirement System of New Jersey Pension | $83,485 | 0.03% | 4,651 | Shares | Defined | 2026-04-29 | ||||
| Mega FMR LLC | $76,484 | 0.03% | 4,261 | Shares | Defined | 2026-05-15 | ||||
| Mid State of Alaska, Department of Revenue | $70,058 | 0.03% | 3,903 | Shares | Sole | 2026-04-20 | ||||
| Mega ROYAL BANK OF CANADA Bank | $61,873 | 0.02% | 3,447 | Shares | Defined | 2026-05-15 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $50,224 | 0.02% | 2,798 | Shares | Defined | 2026-05-12 | ||||
| Mega CITIGROUP INC | $29,382 | 0.01% | 1,637 | Shares | Defined | 2026-05-11 | ||||
| Mid Ameritas Investment Partners, Inc. | $26,099 | 0.01% | 1,454 | Shares | Other | 2026-05-13 | ||||
| Mid Tower Research Capital LLC (TRC) | $22,993 | 0.01% | 1,281 | Shares | Defined | 2026-05-15 | ||||
| Mega Legal & General Group Plc | $22,617 | 0.01% | 1,260 | Shares | Defined | 2026-05-08 | ||||
| Micro Avion Wealth | $17,950 | 0.01% | 1,000 | Shares | Sole | 2026-05-01 | ||||
| Large CWM, LLC | $16,549 | 0.01% | 922 | Shares | Sole | 2026-05-14 | ||||
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