Mayville Engineering Co.MEC

13F holders, Q2 2024 (June 30)
97holders +16
22new positions
8sold out
2famous investors
$16.66avg. 13F price*

At the end of Q2 2024, 97 institutions reported holding Mayville Engineering Co. Inc. (MEC) in their 13F filings, up 16 from Q1 2024. 22 opened new positions and 8 sold out. The largest holders were Allspring Global Investments Holdings, LLC ($43.0M), BlackRock Inc. ($14.2M) and Royce & Associates LP ($11.0M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Mayville Engineering Co. Inc.
CUSIP
578605107
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200 Q1 2024: 81Q1 2024Q2 2024: 97Q2 2024Q3 2024: 116Q3 2024Q4 2024: 114Q4 2024Q1 2025: 116Q1 2025Q2 2025: 112Q2 2025Q3 2025: 104Q3 2025Q4 2025: 123Q4 2025Q1 2026: 124Q1 2026Q2 2026: 155Q2 2026

Total Exit/New Position Q1 2024 → Q2 2024

InstitutionsTotal Value
New Positions22$8.5M
Exits8$1.0M

All 13F filers, Q1 2024 → Q2 2024: 1,571,807 shares bought and 362,444 shares sold, net +1,209,363 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 97 holders

Allspring Global Investments Holdings, LLC 0.07% Reduce -1.5% 2,579,225 $43.0M
BlackRock Inc. 0.00% Add +17.3% 849,567 $14.2M
Royce & Associates LP 0.10% Add +1.5% 660,172 $11.0M
Tocqueville Asset Management L.P. 0.18% No change 643,400 $10.7M
Vanguard Group Inc. 0.00% Add +3.9% 559,381 $9.3M
Dimensional Fund Advisors LP 0.00% Add +17.6% 517,323 $8.6M
Granahan Investment Management, LLC 0.22% Add +69.8% 324,434 $5.4M
Geode Capital Management, LLC 0.00% Add +14.0% 263,561 $4.4M
Invesco Ltd. 0.00% Add +275.6% 261,936 $4.4M
First Eagle Investment Management, LLC 0.01% Add +404.2% 250,785 $4.2M
Ancora Advisors LLC 0.10% Reduce -0.4% 247,323 $4.1M
JB Capital Partners LP 0.89% Add +20.8% 241,606 $4.0M
State Street Corp. 0.00% Add +24.9% 236,715 $3.9M
UBS Group AG 0.00% Add +1.1% 220,474 $3.7M
Bridgeway Capital Management, LLC 0.08% Add +2.9% 208,663 $3.5M
Osaic Holdings, Inc. 0.01% Reduce -4.5% 178,228 $3.0M
Russell Investments Group, Ltd. 0.00% Add +15.1% 176,845 $2.9M
Bank of America Corp. 0.00% Add +4.8% 165,482 $2.8M
Blair William & Co. 0.01% Add +8.5% 157,189 $2.6M
Anchor Capital Advisors LLC 0.06% Add +3.1% 122,012 $2.0M
Kennedy Capital Management LLC 0.04% Add +24.0% 120,070 $2.0M
Wealthspire Advisors, LLC 0.02% No change 95,415 $1.6M
Ameriprise Financial Inc. 0.00% Add +28.4% 92,679 $1.5M
Northern Trust Corp. 0.00% Reduce -2.0% 88,202 $1.5M
Empowered Funds, LLC 0.02% Add +7.8% 82,595 $1.4M
American Century Companies Inc. 0.00% Reduce -17.6% 70,593 $1.2M
Jacobs Levy Equity Management, Inc. 0.00% New 63,813 $1.1M
Marshall Wace, LLP 0.00% New 58,686 $978K
Panagora Asset Management Inc. 0.00% Reduce -0.8% 51,914 $865K
Goldman Sachs Group Inc. 0.00% New 51,545 $859K
Bank of New York Mellon Corp 0.00% Add +18.2% 48,134 $802K
Nuveen Asset Management, LLC 0.00% Add +14.5% 47,030 $784K
Informed Momentum Co LLC 0.13% New 46,925 $782K
Pullen Investment Management, LLC 0.55% Add +4.1% 39,686 $661K
Sei Investments Co. 0.00% Add +16.4% 38,632 $644K
Sheets Smith Wealth Management 0.07% No change 35,890 $598K
Riverwater Partners LLC 0.44% Reduce -9.6% 35,492 $591K
Harbor Capital Advisors, Inc. 0.04% New 35,264 $587K
Charles Schwab Investment Management Inc. 0.00% Add +13.9% 32,492 $541K
Arrowstreet Capital, Limited Partnership 0.00% New 32,475 $541K
Two Sigma Advisers, LP 0.00% Reduce -17.2% 32,300 $538K
Morgan Stanley 0.00% Add +43.9% 30,391 $506K
Perritt Capital Management Inc 0.27% Reduce -14.3% 30,000 $500K
Connor, Clark & Lunn Investment Management Ltd. 0.00% New 29,993 $500K
First Trust Advisors LP 0.00% Add +0.2% 29,990 $500K
Envestnet Asset Management Inc. 0.00% Reduce -3.8% 29,258 $487K
Gradient Investments LLC 0.01% Reduce -23.5% 27,005 $450K
Yarbrough Capital, LLC 0.02% No change 26,866 $448K
Barclays PLC 0.00% Reduce -2.8% 25,997 $433K
O'shaughnessy Asset Management, LLC 0.00% Add +46.1% 25,064 $418K
Walleye Capital LLC 0.00% New 24,100 $402K
Nokomis Capital, L.L.C. 0.18% New 22,960 $383K
Renaissance Technologies 0.00% New 22,300 $372K
LPL Financial LLC 0.00% Add +5.6% 22,280 $371K
Aegis Financial Corp. 0.35% Reduce -89.7% 21,949 $366K
Rhumbline Advisers 0.00% Add +49.1% 19,281 $321K
Royal Bank of Canada 0.00% Add +36.0% 18,297 $305K
Wells Fargo & Company 0.00% Add +10.6% 16,999 $283K
Citadel Advisors 0.00% Add +1178.3% 16,337 $272K
Quadrature Capital Ltd 0.00% New 14,930 $249K
Raymond James & Associates 0.00% New 14,721 $245K
Susquehanna International Group, LLP 0.00% New 14,032 $234K
Jump Financial, LLC 0.00% New 13,108 $218K
Wealth Enhancement Advisory Services, LLC 0.00% Reduce -3.1% 12,206 $203K
State of Wisconsin Investment Board 0.00% New 12,119 $202K
Ritholtz Wealth Management 0.01% New 11,478 $191K
Cubist Systematic Strategies, LLC 0.00% New 11,367 $189K
Jane Street Group, LLC 0.00% New 11,326 $189K
Occudo Quantitative Strategies LP 0.03% New 11,058 $184K
Two Sigma Investments, LP 0.00% Reduce -20.4% 10,978 $183K
Delta Capital Management LLC 0.11% Add +1.1% 10,610 $177K
Avior Wealth Management, LLC 0.01% Add +1.4% 10,565 $176K
Janney Montgomery Scott LLC 0.00% Reduce -2.0% 10,083 $168K
Cresset Asset Management, LLC 0.00% No change 10,000 $167K
Harbour Investments, Inc. 0.00% No change 7,700 $128K
Corebridge Financial, Inc. 0.00% — 6,844 $114K
New York State Common Retirement Fund 0.00% Reduce -0.0% 6,795 $113K
MetLife Investment Management, LLC 0.00% Add +10.4% 6,477 $108K
JPMorgan Chase & Co. 0.00% Add +33.2% 6,403 $107K
Public Employees Retirement System of Ohio 0.00% New 6,370 $106K
Lazard Asset Management LLC 0.00% No change 5,126 $85K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% — 4,881 $81K
Deutsche Bank AG 0.00% Reduce -34.0% 3,434 $57K
Citigroup Inc. 0.00% Add +37.6% 3,253 $54K
FMR LLC 0.00% Add +0.1% 3,084 $51K
BNP Paribas Financial Markets 0.00% Reduce -52.9% 2,556 $43K
Tower Research Capital LLC (TRC) 0.00% Add +1520.2% 1,685 $28K
NewEdge Advisors, LLC 0.00% New 1,067 $18K
Legal & General Group Plc 0.00% No change 1,019 $17K
Avion Wealth 0.00% No change 1,000 $16K
California State Teachers Retirement System 0.00% Reduce -18.2% 922 $15K
Ameritas Investment Partners, Inc. 0.00% No change 912 $15K
Amalgamated Bank 0.00% No change 372 $6K
Nemes Rush Group LLC 0.00% New 200 $3K
Cwm, LLC 0.00% Add +2850.0% 118 $2K
Comerica Bank 0.00% Add +17.8% 106 $2K
First Personal Financial Services 0.00% No change 25 $417

"% of holder's portfolio" is MEC's weight in each manager's 13F, not the share of Mayville Engineering Co. Inc. the manager owns.