Mayville Engineering Company, Inc. - MEC

Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 2 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Worth Venture Partners, LLC History New 13,735 257,119 1.86% 1 +13,735 New Q4 2025 Feb 17, 2026
Allspring Global Investments Holdings, LLC History Reduced 2,052,613 38,897 0.06% 0.05% 2 -358,490 -14.87% Q4 2025 Jan 15, 2026
DIMENSIONAL FUND ADVISORS LP History Added to 877,175 16,421 0.0% 0.0% 3 +30,052 3.55% Q4 2025 Feb 12, 2026
BlackRock, Inc. History Reduced 865,619 16,204 0.0% 0.0% 4 -49,220 -5.38% Q4 2025 Feb 12, 2026
VANGUARD GROUP INC History Reduced 627,655 11,749 0.0% 0.0% 5 -244,004 -27.99% Q4 2025 Jan 29, 2026
ROYCE & ASSOCIATES LP History Added to 624,307 11,687 0.12% 0.08% 6 +57,590 10.16% Q4 2025 Feb 09, 2026
EVR Research LP History New 605,000 11,325 6.11% 7 +605,000 New Q4 2025 Feb 17, 2026
BLAIR WILLIAM & CO/IL History Added to 583,759 10,927 0.03% 0.01% 8 +206,549 54.76% Q4 2025 Feb 17, 2026
Portolan Capital Management, LLC History New 512,762 9,598 0.51% 9 +512,762 New Q4 2025 Feb 17, 2026
22NW, LP History Added to 414,280 7,755 3.26% 2.59% 10 +14,390 3.6% Q4 2025 Feb 13, 2026
First Eagle Investment Management, LLC History Added to 358,075 6,703 0.01% 0.01% 11 +3,500 0.99% Q4 2025 Feb 04, 2026
AMERIPRISE FINANCIAL INC History Reduced 350,844 6,567 0.0% 0.0% 12 -43,317 -10.99% Q4 2025 Feb 17, 2026
GEODE CAPITAL MANAGEMENT, LLC History Reduced 328,921 6,159 0.0% 0.0% 13 -5,952 -1.78% Q4 2025 Feb 09, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP History Added to 288,450 5,399 0.0% 0.0% 14 +19,815 7.38% Q4 2025 Feb 13, 2026
STATE STREET CORP History Added to 285,000 5,335 0.0% 0.0% 15 +10,064 3.66% Q4 2025 Feb 13, 2026
AMERICAN CENTURY COMPANIES INC History Reduced 280,840 5,257 0.0% 0.0% 16 -83,954 -23.01% Q4 2025 Feb 13, 2026
Granahan Investment Management, LLC History Reduced 267,762 5,012 0.21% 0.2% 17 -81,505 -23.34% Q4 2025 Feb 17, 2026
CenterBook Partners LP History Added to 255,791 4,788 0.23% 0.12% 18 +78,132 43.98% Q4 2025 Feb 11, 2026
JB CAPITAL PARTNERS LP History No change 250,512 4,689 0.81% 0.76% 19 0 0.0% Q4 2025 Feb 13, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Reduced 226,926 4,248 0.09% 0.07% 20 -9,622 -4.07% Q4 2025 Feb 17, 2026
Boston Partners History Added to 222,730 4,169 0.0% 0.0% 21 +24,570 12.4% Q4 2025 Feb 13, 2026
BANK OF AMERICA CORP /DE/ History Added to 218,888 4,097 0.0% 0.0% 22 +9,913 4.74% Q4 2025 Feb 17, 2026
Congruence Capital, LLC History New 208,102 3,895 1.43% 23 +208,102 New Q4 2025 Feb 13, 2026
Russell Investments Group, Ltd. History Reduced 189,981 3,556 0.0% 0.0% 24 -2,413 -1.25% Q4 2025 Feb 17, 2026
SILVERCREST ASSET MANAGEMENT GROUP LLC History New 179,941 3,368 0.02% 25 +179,941 New Q4 2025 Feb 17, 2026
MILLENNIUM MANAGEMENT LLC History New 153,200 2,867 0.0% 26 +153,200 New Q4 2025 Feb 17, 2026
UBS Group AG History Added to 146,552 2,743 0.0% 0.0% 27 +40,798 38.58% Q4 2025 Jan 29, 2026
Roubaix Capital, LLC History Reduced 146,297 2,738 1.17% 1.36% 28 -66,391 -31.22% Q4 2025 Feb 09, 2026
Ancora Advisors LLC History Reduced 126,030 2,359 0.05% 0.06% 29 -102,270 -44.8% Q4 2025 Feb 17, 2026
OSAIC HOLDINGS, INC. History Reduced 120,078 2,247 0.0% 0.0% 30 -1,708 -1.4% Q4 2025 Feb 17, 2026
ANCHOR CAPITAL ADVISORS LLC History Added to 108,318 2,027 0.06% 0.04% 31 +8,543 8.56% Q4 2025 Feb 10, 2026
KENNEDY CAPITAL MANAGEMENT LLC History New 104,345 1,953 0.04% 32 +104,345 New Q4 2025 Feb 13, 2026
CITADEL ADVISORS LLC History New 103,463 1,936 0.0% 33 +103,463 New Q4 2025 Feb 17, 2026
JANE STREET GROUP, LLC History Added to 98,874 1,850 0.0% 0.0% 34 +80,144 427.89% Q4 2025 Feb 12, 2026
Wealthspire Advisors, LLC History No change 95,415 1,786 0.01% 0.01% 35 0 0.0% Q4 2025 Feb 13, 2026
NORTHERN TRUST CORP History Reduced 94,368 1,766 0.0% 0.0% 36 -14,862 -13.61% Q4 2025 Feb 17, 2026
GOLDMAN SACHS GROUP INC History Reduced 89,747 1,680 0.0% 0.0% 37 -3,235 -3.48% Q4 2025 Mar 25, 2026
Nuveen, LLC History Added to 87,587 1,639 0.0% 0.0% 38 +38,250 77.53% Q4 2025 Feb 12, 2026
SEI INVESTMENTS CO History Added to 83,569 1,564 0.0% 0.0% 39 +28,255 51.08% Q4 2025 Feb 13, 2026
MORGAN STANLEY History Added to 82,390 1,542 0.0% 0.0% 40 +47,389 135.39% Q4 2025 Feb 13, 2026
RENAISSANCE TECHNOLOGIES LLC History Reduced 71,200 1,332 0.0% 0.0% 41 -83,800 -54.06% Q4 2025 Feb 12, 2026
TOCQUEVILLE ASSET MANAGEMENT L.P. History Reduced 71,100 1,330 0.02% 0.1% 42 -450,000 -86.36% Q4 2025 Feb 12, 2026
PANAGORA ASSET MANAGEMENT INC History Reduced 54,594 1,022 0.0% 0.0% 43 -13,778 -20.15% Q4 2025 Feb 13, 2026
SummerHaven Investment Management, LLC History No change 51,725 968 0.55% 0.41% 44 0 0.0% Q4 2025 Feb 03, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Added to 43,455 813 0.0% 0.0% 45 +4,324 11.05% Q4 2025 Feb 13, 2026
Bank of New York Mellon Corp History Reduced 42,289 791 0.0% 0.0% 46 -164 -0.39% Q4 2025 Feb 10, 2026
STATE OF WISCONSIN INVESTMENT BOARD History Added to 40,697 761 0.0% 0.0% 47 +4,900 13.69% Q4 2025 Feb 17, 2026
FORMULA GROWTH LTD History New 40,000 748 0.29% 48 +40,000 New Q4 2025 Feb 13, 2026
SHEETS SMITH WEALTH MANAGEMENT History No change 38,975 729 0.08% 0.06% 49 0 0.0% Q4 2025 Jan 20, 2026
RAYMOND JAMES FINANCIAL INC History Added to 38,672 723 0.0% 0.0% 50 +13,485 53.54% Q4 2025 Feb 18, 2026
BARCLAYS PLC History Added to 37,025 693 0.0% 0.0% 51 +348 0.95% Q4 2025 Feb 13, 2026
Janney Montgomery Scott LLC History Reduced 34,150 639 0.0% 0.0% 52 -2,515 -6.86% Q4 2025 Feb 11, 2026
AQR CAPITAL MANAGEMENT LLC History Reduced 31,908 597 0.0% 0.0% 53 -27,632 -46.41% Q4 2025 Feb 17, 2026
JACOBS LEVY EQUITY MANAGEMENT, INC History New 31,868 596 0.0% 54 +31,868 New Q4 2025 Feb 13, 2026
Rothschild Wealth LLC History New 30,000 561 0.05% 56 +30,000 New Q4 2025 Feb 17, 2026
PERRITT CAPITAL MANAGEMENT INC History No change 30,000 561 0.94% 0.2% 55 0 0.0% Q4 2025 Feb 17, 2026
JOURNEY STRATEGIC WEALTH LLC History New 29,185 546 0.01% 57 +29,185 New Q4 2025 Feb 13, 2026
Invesco Ltd. History Added to 27,870 521 0.0% 0.0% 58 +1,679 6.41% Q4 2025 Feb 19, 2026
O'SHAUGHNESSY ASSET MANAGEMENT, LLC History Reduced 27,144 508 0.0% 0.0% 59 -2,704 -9.06% Q4 2025 Feb 11, 2026
ENVESTNET ASSET MANAGEMENT INC History Reduced 23,358 437 0.0% 0.0% 60 -892 -3.68% Q4 2025 Feb 10, 2026
WELLS FARGO & COMPANY/MN History Added to 22,491 421 0.0% 0.0% 61 +5,768 34.49% Q4 2025 Feb 13, 2026
LPL Financial LLC History Added to 21,788 407 0.0% 0.0% 62 +411 1.92% Q4 2025 Feb 11, 2026
XTX Topco Ltd History New 21,334 399 0.01% 63 +21,334 New Q4 2025 Feb 17, 2026
Gradient Investments LLC History Reduced 20,904 391 0.01% 0.0% 64 -195 -0.92% Q4 2025 Jan 08, 2026
D. E. Shaw & Co., Inc. History New 19,416 363 0.0% 65 +19,416 New Q4 2025 Feb 17, 2026
RHUMBLINE ADVISERS History Reduced 18,032 337 0.0% 0.0% 66 -2,021 -10.08% Q4 2025 Feb 13, 2026
Johnson Financial Group, Inc. History New 16,475 308 0.01% 67 +16,475 New Q4 2025 Feb 12, 2026
Sterling Capital Management LLC History Reduced 16,171 302 0.0% 0.0% 68 -200 -1.22% Q4 2025 Feb 13, 2026
SummitTX Capital, L.P. History New 15,118 283 0.01% 69 +15,118 New Q4 2025 Feb 17, 2026
Avior Wealth Management, LLC History Reduced 14,919 279 0.01% 0.01% 70 -8,000 -34.91% Q4 2025 Jan 06, 2026
FRANKLIN RESOURCES INC History Reduced 13,458 251 0.0% 0.0% 71 -14,320 -51.55% Q4 2025 Feb 11, 2026
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC History Added to 13,792 245 0.0% 0.0% 72 +800 6.16% Q4 2025 Jan 08, 2026
HRT FINANCIAL LP History New 12,933 242 0.0% 73 +12,933 New Q4 2025 Feb 12, 2026
ALLIANCEBERNSTEIN L.P. History Reduced 12,810 239 0.0% 0.0% 74 -380 -2.88% Q4 2025 Feb 17, 2026
BOOTHBAY FUND MANAGEMENT, LLC History New 12,160 227 0.0% 75 +12,160 New Q4 2025 Feb 17, 2026
ExodusPoint Capital Management, LP History New 11,316 211 0.0% 76 +11,316 New Q4 2025 Feb 17, 2026
AlphaQuest LLC History Added to 10,954 205 0.01% 0.01% 77 +2,612 31.31% Q4 2025 Feb 09, 2026
DEUTSCHE BANK AG\ History New 8,249 154 0.0% 78 +8,249 New Q4 2025 Feb 11, 2026
MetLife Investment Management, LLC History No change 7,958 148 0.0% 0.0% 79 0 0.0% Q4 2025 Feb 12, 2026
Quantbot Technologies LP History New 7,827 146 0.0% 80 +7,827 New Q4 2025 Feb 10, 2026
HARBOUR INVESTMENTS, INC. History No change 7,700 144 0.0% 0.0% 81 0 0.0% Q4 2025 Feb 09, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Reduced 6,105 114 0.0% 0.0% 82 -563 -8.44% Q4 2025 Feb 17, 2026
PICTON MAHONEY ASSET MANAGEMENT History New 5,800 108 0.0% 83 +5,800 New Q4 2025 Feb 11, 2026
JPMORGAN CHASE & CO History Reduced 5,553 103 0.0% 0.0% 84 -936 -14.42% Q4 2025 Feb 11, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 5,395 100 0.0% 0.0% 85 0 0.0% Q4 2025 Feb 12, 2026
Police & Firemen's Retirement System of New Jersey History No change 4,651 87 0.0% 0.0% 86 0 0.0% Q4 2025 Feb 13, 2026
Aquatic Capital Management LLC History New 4,383 82 0.0% 87 +4,383 New Q4 2025 Feb 17, 2026
State of Alaska, Department of Revenue History New 3,903 73 0.0% 88 +3,903 New Q4 2025 Jan 23, 2026
ROYAL BANK OF CANADA History New 3,784 70 0.0% 89 +3,784 New Q4 2025 Feb 17, 2026
FMR LLC History Added to 3,329 62 0.0% 0.0% 90 +62 1.9% Q4 2025 Feb 17, 2026
BNP PARIBAS FINANCIAL MARKETS History Added to 2,955 55 0.0% 0.0% 91 +204 7.42% Q4 2025 Feb 10, 2026
JONES FINANCIAL COMPANIES LLLP History Added to 2,929 54 0.0% 0.0% 92 +1,600 120.39% Q4 2025 Feb 17, 2026
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO History Reduced 2,189 40 0.0% 0.0% 93 -14,500 -86.88% Q4 2025 Feb 17, 2026
Clearstead Advisors, LLC History Added to 2,094 39 0.0% 0.0% 94 +1,384 194.93% Q4 2025 Feb 09, 2026
Ameritas Investment Partners, Inc. History No change 1,454 27 0.0% 0.0% 95 0 0.0% Q4 2025 Feb 11, 2026
CITIGROUP INC History Added to 1,391 26 0.0% 0.0% 96 +167 13.64% Q4 2025 Feb 13, 2026
Legal & General Group Plc History No change 1,260 23 0.0% 0.0% 97 0 0.0% Q4 2025 Feb 09, 2026
Tower Research Capital LLC (TRC) History Reduced 1,090 20 0.0% 0.0% 98 -435 -28.52% Q4 2025 Feb 17, 2026
Avion Wealth History No change 1,000 18 0.0% 0.0% 99 0 0.0% Q4 2025 Jan 23, 2026
CWM, LLC History Reduced 901 17 0.0% 0.0% 100 -35 -3.74% Q4 2025 Jan 26, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Reduced 805 15 0.0% 0.0% 101 -118 -12.78% Q4 2025 Feb 17, 2026
Quarry LP History New 659 12 0.0% 102 +659 New Q4 2025 Feb 13, 2026
Rockefeller Capital Management L.P. History Added to 583 10 0.0% 0.0% 103 +307 111.23% Q4 2025 Mar 16, 2026
AMALGAMATED BANK History Added to 411 8 0.0% 0.0% 104 +39 10.48% Q4 2025 Feb 05, 2026
COMERICA BANK History Reduced 358 6 0.0% 0.0% 105 -40 -10.05% Q4 2025 Jan 29, 2026
US BANCORP \DE\ History New 285 5 0.0% 106 +285 New Q4 2025 Jan 30, 2026
Optiver Holding B.V. History No change 236 4 0.0% 0.0% 107 0 0.0% Q4 2025 Feb 17, 2026
GAMMA Investing LLC History Added to 174 3 0.0% 0.0% 108 +94 117.5% Q4 2025 Jan 05, 2026
MAI Capital Management History New 141 2 0.0% 109 +141 New Q4 2025 Feb 13, 2026
Allworth Financial LP History New 58 1 0.0% 110 +58 New Q4 2025 Feb 05, 2026
Empowered Funds, LLC History Closed out 0 0 0.02% -121,880 -100.0% Q3 2025 Nov 13, 2025
GLOBEFLEX CAPITAL L P History Closed out 0 0 0.25% -116,468 -100.0% Q3 2025 Nov 12, 2025
MARTINGALE ASSET MANAGEMENT L P History Closed out 0 0 0.01% -35,610 -100.0% Q3 2025 Nov 13, 2025
VICTORY CAPITAL MANAGEMENT INC History Closed out 0 0 0.0% -26,731 -100.0% Q3 2025 Nov 12, 2025
EntryPoint Capital, LLC History Closed out 0 0 0.13% -24,098 -100.0% Q3 2025 Nov 13, 2025
STRS OHIO History Closed out 0 0 0.0% -22,300 -100.0% Q3 2025 Oct 30, 2025
PRUDENTIAL FINANCIAL INC History Closed out 0 0 0.0% -19,025 -100.0% Q3 2025 Nov 13, 2025
State of Wyoming History Closed out 0 0 0.02% -12,315 -100.0% Q3 2025 Nov 04, 2025
Arax Advisory Partners History Reduced 2 0 0.0% -1,614 -99.88% Q4 2025 Feb 13, 2026
NEW YORK STATE TEACHERS RETIREMENT SYSTEM History Closed out 0 0 0.0% -1,287 -100.0% Q3 2025 Oct 24, 2025
Advisory Services Network, LLC History Closed out 0 0 0.0% -210 -100.0% Q3 2025 Nov 18, 2025
CIBC Private Wealth Group LLC History Closed out 0 0 0.0% -80 -100.0% Q3 2025 Nov 24, 2025
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History New 47 0 +47 New Q4 2025 Feb 13, 2026
EverSource Wealth Advisors, LLC History Reduced 25 0 -41 -62.12% Q4 2025 Feb 06, 2026
Bare Financial Services, Inc History New 37 0 +37 New Q4 2025 Feb 06, 2026
NISA INVESTMENT ADVISORS, LLC History Reduced 26 0 -33 -55.93% Q4 2025 Jan 15, 2026
Torren Management, LLC History New 26 0 +26 New Q4 2025 Jan 30, 2026
Covestor Ltd History New 11 0 +11 New Q4 2025 Feb 06, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Added to 13 0 +5 62.5% Q4 2025 Feb 06, 2026
True Wealth Design, LLC History Reduced 9 0 -2 -18.18% Q4 2025 Jan 08, 2026
Parkside Financial Bank & Trust History No change 35 0 0 0.0% Q4 2025 Feb 13, 2026
Vermillion Wealth Management, Inc. History No change 30 0 0 0.0% Q4 2025 Feb 11, 2026