Mayville Engineering Co.MEC
13F holders, Q3 2024 (September 30)116holders +19
31new positions
14sold out
4famous investors
$21.08avg. 13F price*
At the end of Q3 2024, 116 institutions reported holding Mayville Engineering Co. Inc. (MEC) in their 13F filings, up 19 from Q2 2024. 31 opened new positions and 14 sold out. The largest holders were Allspring Global Investments Holdings, LLC ($52.2M), BlackRock, Inc. ($18.9M) and Tocqueville Asset Management L.P. ($13.3M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Cliff Asness (0.0% of AQR Capital Management'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
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 31 | $11.5M |
| Exits | 14 | $5.5M |
All 13F filers, Q2 2024 → Q3 2024: 1,623,826 shares bought and 767,713 shares sold, net +856,113 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 116 holders
| Allspring Global Investments Holdings, LLC | 0.08% | Reduce -4.0% | 2,474,871 | $52.2M |
| BlackRock, Inc. | 0.00% | — | 897,610 | $18.9M |
| Tocqueville Asset Management L.P. | 0.21% | Reduce -2.1% | 629,714 | $13.3M |
| Dimensional Fund Advisors LP | 0.00% | Add +19.8% | 619,573 | $13.1M |
| Vanguard Group Inc. | 0.00% | Add +2.2% | 571,529 | $12.0M |
| Royce & Associates LP | 0.11% | Reduce -15.1% | 560,548 | $11.8M |
| Granahan Investment Management, LLC | 0.28% | Add +4.3% | 338,215 | $7.1M |
| First Eagle Investment Management, LLC | 0.01% | Add +19.6% | 299,875 | $6.3M |
| Geode Capital Management, LLC | 0.00% | Add +5.4% | 277,679 | $5.9M |
| Ancora Advisors LLC | 0.12% | Reduce -0.1% | 247,003 | $5.2M |
| JB Capital Partners LP | 0.98% | No change | 241,606 | $5.1M |
| State Street Corp. | 0.00% | Reduce -2.2% | 231,528 | $4.9M |
| Invesco Ltd. | 0.00% | Reduce -16.4% | 218,871 | $4.6M |
| Bank of America Corp. | 0.00% | Add +29.6% | 214,457 | $4.5M |
| Bridgeway Capital Management, LLC | 0.10% | Add +1.3% | 211,385 | $4.5M |
| Russell Investments Group, Ltd. | 0.01% | Add +6.7% | 188,729 | $4.0M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Add +428.1% | 171,491 | $3.6M |
| Osaic Holdings, Inc. | 0.01% | Reduce -7.1% | 165,615 | $3.5M |
| Blair William & Co. | 0.01% | Add +0.8% | 158,462 | $3.3M |
| UBS Group AG | 0.00% | Reduce -29.1% | 156,265 | $3.3M |
| Goldman Sachs Group Inc. | 0.00% | Add +194.8% | 151,959 | $3.2M |
| Globeflex Capital L P | 0.29% | New | 144,426 | $3.0M |
| American Century Companies Inc. | 0.00% | Add +93.4% | 136,500 | $2.9M |
| Renaissance Technologies | 0.00% | Add +469.0% | 126,891 | $2.7M |
| Jacobs Levy Equity Management, Inc. | 0.01% | Add +91.3% | 122,055 | $2.6M |
| Nokomis Capital, L.L.C. | 1.15% | Add +429.5% | 121,569 | $2.6M |
| Ameriprise Financial Inc. | 0.00% | Add +13.9% | 105,583 | $2.2M |
| Anchor Capital Advisors LLC | 0.06% | Reduce -19.5% | 98,238 | $2.1M |
| Northern Trust Corp. | 0.00% | Add +11.3% | 98,200 | $2.1M |
| Wealthspire Advisors, LLC | 0.02% | No change | 95,415 | $2.0M |
| Empowered Funds, LLC | 0.03% | Add +5.3% | 87,017 | $1.8M |
| Harbor Capital Advisors, Inc. | 0.07% | Add +124.4% | 79,122 | $1.7M |
| Hillsdale Investment Management Inc. | 0.13% | New | 77,165 | $1.6M |
| Morgan Stanley | 0.00% | Add +89.0% | 57,450 | $1.2M |
| Panagora Asset Management Inc. | 0.01% | Add +4.6% | 54,301 | $1.1M |
| Nuveen Asset Management, LLC | 0.00% | No change | 47,030 | $991K |
| Acadian Asset Management LLC | 0.00% | New | 47,072 | $990K |
| Informed Momentum Co LLC | 0.15% | No change | 46,925 | $989K |
| Sei Investments Co. | 0.00% | Add +19.6% | 46,217 | $974K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Add +37.1% | 41,130 | $867K |
| O'shaughnessy Asset Management, LLC | 0.01% | Add +61.3% | 40,420 | $851K |
| Bank of New York Mellon Corp | 0.00% | Reduce -18.5% | 39,239 | $827K |
| Barclays PLC | 0.00% | Add +44.2% | 37,486 | $790K |
| Martingale Asset Management L P | 0.02% | New | 36,336 | $766K |
| Sheets Smith Wealth Management | 0.09% | Reduce -1.4% | 35,395 | $746K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +5.4% | 34,252 | $722K |
| Perritt Capital Management Inc | 0.33% | No change | 30,000 | $632K |
| BNP Paribas Financial Markets | 0.00% | Add +1061.5% | 29,688 | $626K |
| Envestnet Asset Management Inc. | 0.00% | Reduce -2.6% | 28,494 | $601K |
| Wells Fargo & Company | 0.00% | Add +63.5% | 27,793 | $586K |
| Yarbrough Capital, LLC | 0.02% | No change | 26,866 | $566K |
| Ritholtz Wealth Management | 0.01% | Add +103.5% | 23,360 | $492K |
| Gradient Investments LLC | 0.01% | Reduce -14.4% | 23,104 | $487K |
| Avior Wealth Management, LLC | 0.02% | Add +116.9% | 22,919 | $483K |
| Riverwater Partners LLC | 0.24% | Reduce -34.3% | 23,337 | $477K |
| Walleye Capital LLC | 0.01% | Reduce -10.1% | 21,672 | $457K |
| LPL Financial LLC | 0.00% | Reduce -3.7% | 21,458 | $452K |
| STRS Ohio | 0.00% | New | 20,400 | $430K |
| Cubist Systematic Strategies, LLC | 0.01% | Add +70.4% | 19,368 | $408K |
| SeaBridge Investment Advisors LLC | 0.10% | New | 18,664 | $393K |
| Rhumbline Advisers | 0.00% | Reduce -3.7% | 18,572 | $391K |
| Royal Bank of Canada | 0.00% | Add +1.1% | 18,491 | $391K |
| Marshall Wace, LLP | 0.00% | Reduce -69.0% | 18,174 | $383K |
| Citadel Advisors | 0.00% | Add +9.2% | 17,833 | $376K |
| Sterling Capital Management LLC | 0.00% | — | 17,309 | $365K |
| AQR Capital Management | 0.00% | New | 17,011 | $359K |
| Franklin Resources Inc. | 0.00% | New | 15,859 | $334K |
| Mesirow Financial Investment Management, Inc. | 0.01% | New | 15,593 | $329K |
| Dynamic Technology Lab Private Ltd | 0.03% | New | 15,111 | $319K |
| Raymond James & Associates | 0.00% | Add +0.2% | 14,748 | $311K |
| Jane Street Group, LLC | 0.00% | Add +25.7% | 14,235 | $300K |
| State of Wyoming | 0.04% | New | 14,092 | $297K |
| Bailard, Inc. | 0.01% | New | 13,646 | $288K |
| Jump Financial, LLC | 0.01% | Add +3.8% | 13,600 | $287K |
| Transatlantique Private Wealth LLC | 0.11% | New | 13,507 | $285K |
| Cornercap Investment Counsel Inc. | 0.08% | New | 13,170 | $278K |
| Principal Financial Group Inc. | 0.00% | New | 13,112 | $276K |
| Public Employees Retirement System of Ohio | 0.00% | Add +95.8% | 12,470 | $263K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +0.6% | 12,279 | $259K |
| Horizon Investment Services, LLC | 0.10% | New | 11,280 | $238K |
| Net Worth Advisory Group | 0.07% | — | 11,226 | $237K |
| Engineers Gate Manager LP | 0.00% | New | 11,054 | $233K |
| Trexquant Investment LP | 0.00% | New | 11,004 | $232K |
| Lazard Asset Management LLC | 0.00% | Add +114.0% | 10,972 | $231K |
| HSBC Holdings PLC | 0.00% | New | 10,756 | $226K |
| Delta Capital Management LLC | 0.13% | No change | 10,610 | $224K |
| Algert Global LLC | 0.01% | New | 10,027 | $211K |
| Citigroup Inc. | 0.00% | Add +198.2% | 9,701 | $204K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +363.2% | 7,805 | $165K |
| Harbour Investments, Inc. | 0.00% | No change | 7,700 | $162K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +43.1% | 6,986 | $147K |
| Corebridge Financial, Inc. | 0.00% | Reduce -0.6% | 6,801 | $143K |
| MetLife Investment Management, LLC | 0.00% | No change | 6,477 | $137K |
| Deutsche Bank AG | 0.00% | Add +81.3% | 6,225 | $131K |
| JPMorgan Chase & Co. | 0.00% | Reduce -11.2% | 5,689 | $120K |
| New York State Common Retirement Fund | 0.00% | Reduce -20.6% | 5,395 | $114K |
| Point72 Asset Management | 0.00% | New | 4,501 | $95K |
| Quantbot Technologies LP | 0.00% | New | 3,341 | $70K |
| FMR LLC | 0.00% | Add +1.4% | 3,126 | $66K |
| Harvest Fund Management Co., Ltd | 0.00% | New | 2,956 | $62K |
| US Bancorp \de | 0.00% | New | 2,853 | $60K |
| Johnson Financial Group, Inc. | 0.00% | New | 2,500 | $53K |
| Legal & General Group Plc | 0.00% | Add +23.6% | 1,260 | $27K |
| New York State Teachers Retirement System | 0.00% | New | 1,161 | $24K |
| Avion Wealth | 0.01% | No change | 1,000 | $21K |
| California State Teachers Retirement System | 0.00% | No change | 922 | $19K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 912 | $19K |
| nVerses Capital, LLC | 0.01% | New | 700 | $15K |
| NewEdge Advisors, LLC | 0.00% | Reduce -58.4% | 444 | $9K |
| Amalgamated Bank | 0.00% | No change | 372 | $8K |
| Cwm, LLC | 0.00% | Add +90.7% | 225 | $5K |
| Comerica Bank | 0.00% | Add +100.9% | 213 | $4K |
| Group One Trading LLC | 0.00% | New | 137 | $3K |
| GAMMA Investing LLC | 0.00% | New | 100 | $2K |
| Nisa Investment Advisors, LLC | 0.00% | New | 30 | $632 |
| Earned Wealth Advisors, LLC | 0.00% | New | 26 | $548 |
"% of holder's portfolio" is MEC's weight in each manager's 13F, not the share of Mayville Engineering Co. Inc. the manager owns.