Mayville Engineering Co.MEC
13F holders, Q2 2024 (June 30)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
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 22 | $8.5M |
| Exits | 8 | $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.