Mayville Engineering Company, Inc.
MEC- Exchange
- NYSE
- Industry
- Metal Forgings & Stampings
- SEC CIK
- 0001766368
In the last 90 days, Mayville Engineering Company, Inc. insiders filed 0 open-market purchases and 1 sale; 155 institutions reported holding it in 13F filings for Q2 2026, worth $790.6M in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in Mayville Engineering Company, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 104
- −9 vs. Q2 2025
- Shares held
- 13.3M
- +638.0K (+5.0%) vs. Q2 2025
- Total value
- $183.6M
- −$19.0M (−9.4%) vs. Q2 2025
- New holders
- 12
- 44 more added
- Sold out
- 21
- 29 more reduced
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MEC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 155 | $790.6M |
| Q1 2026 | 124 | $258.4M |
| Q4 2025 | 123 | $260.4M |
| Q3 2025 | 104 | $183.6M |
| Q2 2025 | 113 | $202.5M |
| Q1 2025 | 117 | $167.8M |
| Q4 2024 | 115 | $195.4M |
| Q3 2024 | 116 | $246.3M |
| Q2 2024 | 97 | $179.1M |
| Q1 2024 | 81 | $136.6M |
| Q4 2023 | 79 | $133.4M |
| Q3 2023 | 86 | $97.8M |
| Q2 2023 | 86 | $108.7M |
| Q1 2023 | 77 | $116.8M |
| Q4 2022 | 69 | $88.5M |
| Q3 2022 | 59 | $41.3M |
| Q2 2022 | 64 | $55.6M |
| Q1 2022 | 65 | $70.0M |
| Q4 2021 | 69 | $108.4M |
| Q3 2021 | 78 | $141.2M |
| Q2 2021 | 58 | $164.5M |
| Q1 2021 | 59 | $106.9M |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Mayville Engineering Company, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Allspring Global Investments Holdings, LLC | 2,411,103 | $32.9M | 0.05% | −34,987−1.4% | Reduced |
| BlackRock, Inc. | 914,839 | $12.6M | 0.00% | +1,650+0.2% | Added |
| Vanguard Group Inc | 871,659 | $12.0M | 0.00% | −10,536−1.2% | Reduced |
| Dimensional Fund Advisors LP | 847,123 | $11.7M | 0.00% | +33,089+4.1% | Added |
| Royce & Associates LP | 566,717 | $7.80M | 0.08% | +7,868+1.4% | Added |
| Tocqueville Asset Management L.P. | 521,100 | $7.17M | 0.10% | −50,087−8.8% | Reduced |
| 22NW, LP | 399,890 | $5.50M | 2.86% | +244,440+157.2% | Added |
| Ameriprise Financial Inc | 394,161 | $5.42M | 0.00% | +354,514+894.2% | Added |
| Blair William & Co | 377,210 | $5.19M | 0.01% | +3,762+1.0% | Added |
| American Century Companies Inc | 364,794 | $5.02M | 0.00% | +57,812+18.8% | Added |
| First Eagle Investment Management, LLC | 354,575 | $4.88M | 0.01% | +500+0.1% | Added |
| Granahan Investment Management Inc | 349,267 | $4.81M | 0.20% | −149,038−29.9% | Reduced |
| Geode Capital Management, LLC | 334,873 | $4.61M | 0.00% | +16,552+5.2% | Added |
| JB Capital Partners LP | 250,512 | $4.46M | 0.76% | 00.0% | Unchanged |
| State Street Corp | 274,936 | $3.78M | 0.00% | +9,886+3.7% | Added |
| Arrowstreet Capital, Limited Partnership | 268,635 | $3.70M | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 236,548 | $3.25M | 0.07% | +13,894+6.2% | Added |
| Ancora Advisors, LLC | 228,300 | $3.14M | 0.06% | −131,480−36.5% | Reduced |
| Roubaix Capital, LLC | 212,688 | $2.93M | 1.36% | +111,550+110.3% | Added |
| Bank of America Corp | 208,975 | $2.88M | 0.00% | −18,724−8.2% | Reduced |
| Boston Partners | 198,160 | $2.73M | 0.00% | +198,160 | New |
| Russell Investments Group, Ltd. | 192,394 | $2.65M | 0.00% | −23,785−11.0% | Reduced |
| CenterBook Partners LP | 177,659 | $2.44M | 0.12% | +82,573+86.8% | Added |
| Jacobs Levy Equity Management, Inc | 170,335 | $2.34M | 0.01% | +33,952+24.9% | Added |
| Renaissance Technologies LLC | 155,000 | $2.13M | 0.00% | +11,000+7.6% | Added |
| Advisor Group Holdings, Inc. | 121,786 | $1.78M | 0.00% | −9,803−7.4% | Reduced |
| Empowered Funds, LLC | 121,880 | $1.68M | 0.02% | +13,894+12.9% | Added |
| Globeflex Capital L P | 116,468 | $1.60M | 0.25% | 00.0% | Unchanged |
| Northern Trust Corp | 109,230 | $1.50M | 0.00% | +7,492+7.4% | Added |
| UBS Group AG | 105,754 | $1.46M | 0.00% | +18,220+20.8% | Added |
| Anchor Capital Advisors LLC | 99,775 | $1.37M | 0.04% | +2,137+2.2% | Added |
| Wealthspire Advisors, LLC | 95,415 | $1.31M | 0.01% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 92,982 | $1.28M | 0.00% | +7,411+8.7% | Added |
| Panagora Asset Management Inc | 68,372 | $940.8K | 0.00% | +29,385+75.4% | Added |
| AQR Capital Management LLC | 59,540 | $819.3K | 0.00% | +34,166+134.6% | Added |
| SEI Investments Co | 55,314 | $761.1K | 0.00% | +3,824+7.4% | Added |
| SummerHaven Investment Management, LLC | 51,725 | $711.7K | 0.41% | +51,725 | New |
| Nuveen, LLC | 49,337 | $678.9K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 42,453 | $584.2K | 0.00% | +3,225+8.2% | Added |
| Charles Schwab Investment Management Inc | 39,131 | $538.4K | 0.00% | 00.0% | Unchanged |
| Sheets Smith Wealth Management | 38,975 | $536.3K | 0.06% | +390+1.0% | Added |
| Janney Montgomery Scott LLC | 36,665 | $505.0K | 0.00% | +166+0.5% | Added |
| Barclays PLC | 36,677 | $504.7K | 0.00% | −3,825−9.4% | Reduced |
| State of Wisconsin Investment Board | 35,797 | $492.6K | 0.00% | +11,500+47.3% | Added |
| Martingale Asset Management L P | 35,610 | $490.0K | 0.01% | −7,906−18.2% | Reduced |
| Morgan Stanley | 35,001 | $481.6K | 0.00% | −27,301−43.8% | Reduced |
| Perritt Capital Management Inc | 30,000 | $412.8K | 0.20% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 29,848 | $410.7K | 0.00% | −746−2.4% | Reduced |
| Franklin Resources Inc | 27,778 | $382.2K | 0.00% | +11,919+75.2% | Added |
| Victory Capital Management Inc | 26,731 | $367.8K | 0.00% | +11,550+76.1% | Added |
| Invesco Ltd. | 26,191 | $360.4K | 0.00% | −3,231−11.0% | Reduced |
| ExodusPoint Capital Management, LP | 26,039 | $358.3K | 0.01% | +26,039 | New |
| Raymond James Financial Inc | 25,187 | $346.6K | 0.00% | +740+3.0% | Added |
| Envestnet Asset Management Inc | 24,250 | $333.7K | 0.00% | −1,030−4.1% | Reduced |
| EntryPoint Capital, LLC | 24,098 | $331.6K | 0.13% | +8,184+51.4% | Added |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 22,919 | $315.4K | 0.01% | 00.0% | Unchanged |
| STRS Ohio | 22,300 | $306.8K | 0.00% | −8,800−28.3% | Reduced |
| LPL Financial LLC | 21,377 | $294.1K | 0.00% | +531+2.5% | Added |
| Gradient Investments LLC | 21,099 | $290.3K | 0.00% | −470−2.2% | Reduced |
| Rhumbline Advisers | 20,053 | $275.9K | 0.00% | +84+0.4% | Added |
| Prudential Financial Inc | 19,025 | $261.8K | 0.00% | +19,025 | New |
| Jane Street Group, LLC | 18,730 | $257.7K | 0.00% | +18,730 | New |
| Wells Fargo & Company | 16,723 | $230.1K | 0.00% | +2,479+17.4% | Added |
| Public Employees Retirement System of Ohio | 16,689 | $229.6K | 0.00% | +5,855+54.0% | Added |
| Sterling Capital Management LLC | 16,371 | $225.3K | 0.00% | +555+3.5% | Added |
| Alliancebernstein L.P. | 13,190 | $181.5K | 0.00% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 12,992 | $169.5K | 0.00% | +340+2.7% | Added |
| State of Wyoming | 12,315 | $169.5K | 0.02% | −428−3.4% | Reduced |
| Royal Bank of Canada | 8,605 | $118.0K | 0.00% | −22,188−72.1% | Reduced |
| Quest Partners LLC | 8,342 | $114.8K | 0.01% | +1,733+26.2% | Added |
| MetLife Investment Management | 7,958 | $109.5K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 7,700 | $106.0K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 6,668 | $91.8K | 0.00% | −1,123−14.4% | Reduced |
| JPMorgan Chase & Co | 6,489 | $89.3K | 0.00% | −1,447−18.2% | Reduced |
| New York State Common Retirement Fund | 5,395 | $74.2K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 4,651 | $64.0K | 0.00% | +2,094+81.9% | Added |
| FMR LLC | 3,267 | $45.0K | 0.00% | +122+3.9% | Added |
| BNP Paribas Arbitrage, SA | 2,751 | $37.9K | 0.00% | +1,435+109.0% | Added |
| SRS Capital Advisors, Inc. | 1,616 | $22.2K | 0.00% | +1,616 | New |
| Tower Research Capital LLC (TRC) | 1,525 | $21.0K | 0.00% | −392−20.4% | Reduced |
| Ameritas Investment Partners, Inc. | 1,454 | $20.0K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 1,329 | $18.0K | 0.00% | +215+19.3% | Added |
| New York State Teachers Retirement System | 1,287 | $18.0K | 0.00% | +126+10.9% | Added |
| Legal & General Group Plc | 1,260 | $17.3K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 1,224 | $16.8K | 0.00% | −4,511−78.7% | Reduced |
| CWM, LLC | 936 | $13.0K | 0.00% | −251−21.1% | Reduced |
| Avion Wealth | 1,000 | $13.0K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 923 | $12.7K | 0.00% | +1+0.1% | Added |
| Clearstead Advisors, LLC | 710 | $9.77K | 0.00% | +710 | New |
| Comerica Bank | 398 | $5.47K | 0.00% | −115−22.4% | Reduced |
| Amalgamated Bank | 372 | $5.00K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 276 | $3.80K | 0.00% | +276 | New |
| Optiver Holding B.V. | 236 | $3.25K | 0.00% | +236 | New |
| Advisory Services Network, LLC | 210 | $2.89K | 0.00% | +210 | New |
| GAMMA Investing LLC | 80 | $1.10K | 0.00% | −11−12.1% | Reduced |
| CIBC Private Wealth Group, LLC | 80 | $1.10K | 0.00% | +80 | New |
| EverSource Wealth Advisors, LLC | 66 | $908 | 0.00% | −49−42.6% | Reduced |
| Nisa Investment Advisors, LLC | 59 | $812 | 0.00% | −17−22.4% | Reduced |
| Allworth Financial LP | 58 | $799 | 0.00% | −1−1.7% | Reduced |
| Parkside Financial Bank & Trust | 35 | $482 | 0.00% | 00.0% | Unchanged |