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, Q4 2025
Institutional positions in Mayville Engineering Company, Inc. as of Dec 31, 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
- 123
- +19 vs. Q3 2025
- Shares held
- 13.9M
- +603.3K (+4.5%) vs. Q3 2025
- Total value
- $260.4M
- +$76.8M (+41.8%) vs. Q3 2025
- New holders
- 30
- 34 more added
- Sold out
- 11
- 42 more reduced
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Mayville Engineering Company, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Allspring Global Investments Holdings, LLC | 2,052,613 | $38.9M | 0.06% | −358,490−14.9% | Reduced |
| Dimensional Fund Advisors LP | 877,175 | $16.4M | 0.00% | +30,052+3.5% | Added |
| BlackRock, Inc. | 865,619 | $16.2M | 0.00% | −49,220−5.4% | Reduced |
| Vanguard Group Inc | 627,655 | $11.7M | 0.00% | −244,004−28.0% | Reduced |
| Royce & Associates LP | 624,307 | $11.7M | 0.12% | +57,590+10.2% | Added |
| EVR Research LP | 605,000 | $11.3M | 6.11% | +605,000 | New |
| Blair William & Co | 583,759 | $10.9M | 0.03% | +206,549+54.8% | Added |
| Portolan Capital Management, LLC | 512,762 | $9.60M | 0.51% | +512,762 | New |
| 22NW, LP | 414,280 | $7.76M | 5.97% | +14,390+3.6% | Added |
| First Eagle Investment Management, LLC | 358,075 | $6.70M | 0.01% | +3,500+1.0% | Added |
| Ameriprise Financial Inc | 350,844 | $6.57M | 0.00% | −43,317−11.0% | Reduced |
| Geode Capital Management, LLC | 328,921 | $6.16M | 0.00% | −5,952−1.8% | Reduced |
| Arrowstreet Capital, Limited Partnership | 288,450 | $5.40M | 0.00% | +19,815+7.4% | Added |
| State Street Corp | 285,000 | $5.34M | 0.00% | +10,064+3.7% | Added |
| American Century Companies Inc | 280,840 | $5.26M | 0.00% | −83,954−23.0% | Reduced |
| Granahan Investment Management Inc | 267,762 | $5.01M | 0.21% | −81,505−23.3% | Reduced |
| CenterBook Partners LP | 255,791 | $4.79M | 0.23% | +78,132+44.0% | Added |
| JB Capital Partners LP | 250,512 | $4.69M | 0.81% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 226,926 | $4.25M | 0.09% | −9,622−4.1% | Reduced |
| Boston Partners | 222,730 | $4.17M | 0.00% | +24,570+12.4% | Added |
| Bank of America Corp | 218,888 | $4.10M | 0.00% | +9,913+4.7% | Added |
| Congruence Capital, LLC | 208,102 | $3.90M | 1.43% | +208,102 | New |
| Russell Investments Group, Ltd. | 189,981 | $3.56M | 0.00% | −2,413−1.3% | Reduced |
| Silvercrest Asset Management Group LLC | 179,941 | $3.37M | 0.02% | +179,941 | New |
| Millennium Management LLC | 153,200 | $2.87M | 0.00% | +153,200 | New |
| UBS Group AG | 146,552 | $2.74M | 0.00% | +40,798+38.6% | Added |
| Roubaix Capital, LLC | 146,297 | $2.74M | 1.17% | −66,391−31.2% | Reduced |
| Ancora Advisors, LLC | 126,030 | $2.36M | 0.05% | −102,270−44.8% | Reduced |
| Advisor Group Holdings, Inc. | 120,078 | $2.25M | 0.00% | −1,708−1.4% | Reduced |
| Anchor Capital Advisors LLC | 108,318 | $2.03M | 0.06% | +8,543+8.6% | Added |
| Kennedy Capital Management, Inc. | 104,345 | $1.95M | 0.04% | +104,345 | New |
| Citadel Advisors LLC | 103,463 | $1.94M | 0.00% | +103,463 | New |
| Wealthspire Advisors, LLC | 95,415 | $1.79M | 0.01% | 00.0% | Unchanged |
| Northern Trust Corp | 94,368 | $1.77M | 0.00% | −14,862−13.6% | Reduced |
| Goldman Sachs Group Inc | 89,747 | $1.68M | 0.00% | −3,235−3.5% | Reduced |
| Nuveen, LLC | 87,587 | $1.64M | 0.00% | +38,250+77.5% | Added |
| SEI Investments Co | 83,569 | $1.56M | 0.00% | +28,255+51.1% | Added |
| Morgan Stanley | 82,390 | $1.54M | 0.00% | +47,389+135.4% | Added |
| Renaissance Technologies LLC | 71,200 | $1.33M | 0.00% | −83,800−54.1% | Reduced |
| Tocqueville Asset Management L.P. | 71,100 | $1.33M | 0.02% | −450,000−86.4% | Reduced |
| Panagora Asset Management Inc | 54,594 | $1.02M | 0.00% | −13,778−20.2% | Reduced |
| Jane Street Group, LLC | 53,074 | $993.5K | 0.00% | +34,344+183.4% | Added |
| SummerHaven Investment Management, LLC | 51,725 | $968.3K | 0.55% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 43,455 | $813.5K | 0.00% | +4,324+11.1% | Added |
| Bank of New York Mellon Corp | 42,289 | $791.6K | 0.00% | −164−0.4% | Reduced |
| State of Wisconsin Investment Board | 40,697 | $761.8K | 0.00% | +4,900+13.7% | Added |
| Formula Growth Ltd | 40,000 | $748.8K | 0.29% | +40,000 | New |
| Sheets Smith Wealth Management | 38,975 | $729.6K | 0.08% | 00.0% | Unchanged |
| Raymond James Financial Inc | 38,672 | $723.9K | 0.00% | +13,485+53.5% | Added |
| Barclays PLC | 37,025 | $693.1K | 0.00% | +348+0.9% | Added |
| Essential Investment Partners LLC | 34,269 | $641.5K | 0.60% | +34,269 | New |
| Janney Montgomery Scott LLC | 34,150 | $639.0K | 0.00% | −2,515−6.9% | Reduced |
| AQR Capital Management LLC | 31,908 | $597.3K | 0.00% | −27,632−46.4% | Reduced |
| Jacobs Levy Equity Management, Inc | 31,868 | $596.6K | 0.00% | −138,467−81.3% | Reduced |
| Perritt Capital Management Inc | 30,000 | $561.6K | 0.94% | 00.0% | Unchanged |
| Sentinus, LLC | 30,000 | $561.6K | 0.05% | +30,000 | New |
| Journey Strategic Wealth LLC | 29,185 | $546.3K | 0.01% | +29,185 | New |
| Invesco Ltd. | 27,870 | $521.7K | 0.00% | +1,679+6.4% | Added |
| O'Shaughnessy Asset Management, LLC | 27,144 | $508.1K | 0.00% | −2,704−9.1% | Reduced |
| Envestnet Asset Management Inc | 23,358 | $437.3K | 0.00% | −892−3.7% | Reduced |
| Wells Fargo & Company | 22,491 | $421.0K | 0.00% | +5,768+34.5% | Added |
| LPL Financial LLC | 21,788 | $407.9K | 0.00% | +411+1.9% | Added |
| XTX Topco Ltd | 21,334 | $399.4K | 0.01% | +21,334 | New |
| Gradient Investments LLC | 20,904 | $391.3K | 0.01% | −195−0.9% | Reduced |
| D. E. Shaw & Co., Inc. | 19,416 | $363.5K | 0.00% | +19,416 | New |
| Rhumbline Advisers | 18,032 | $337.6K | 0.00% | −2,021−10.1% | Reduced |
| Johnson Financial Group, Inc. | 16,475 | $308.4K | 0.01% | +16,475 | New |
| Sterling Capital Management LLC | 16,171 | $302.7K | 0.00% | −200−1.2% | Reduced |
| SummitTX Capital, L.P. | 15,118 | $283.0K | 0.01% | +15,118 | New |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 14,919 | $279.3K | 0.01% | −8,000−34.9% | Reduced |
| Worth Venture Partners, LLC | 13,735 | $257.1K | 1.86% | +13,735 | New |
| Franklin Resources Inc | 13,458 | $251.9K | 0.00% | −14,320−51.6% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 13,792 | $245.4K | 0.00% | +800+6.2% | Added |
| HRT Financial LP | 12,933 | $242.0K | 0.00% | +12,933 | New |
| Alliancebernstein L.P. | 12,810 | $239.8K | 0.00% | −380−2.9% | Reduced |
| Boothbay Fund Management, LLC | 12,160 | $227.6K | 0.01% | +12,160 | New |
| ExodusPoint Capital Management, LP | 11,316 | $211.8K | 0.00% | −14,723−56.5% | Reduced |
| Quest Partners LLC | 10,954 | $205.1K | 0.01% | +2,612+31.3% | Added |
| Deutsche Bank AG | 8,249 | $154.4K | 0.00% | +8,249 | New |
| MetLife Investment Management | 7,958 | $149.0K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 7,827 | $146.5K | 0.00% | +7,827 | New |
| Harbour Investments, Inc. | 7,700 | $144.1K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 6,105 | $114.3K | 0.00% | −563−8.4% | Reduced |
| Picton Mahoney Asset Management | 5,800 | $108.6K | 0.00% | +5,800 | New |
| JPMorgan Chase & Co | 5,553 | $104.0K | 0.00% | −936−14.4% | Reduced |
| New York State Common Retirement Fund | 5,395 | $101.0K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 4,651 | $87.1K | 0.00% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 4,383 | $82.0K | 0.00% | +4,383 | New |
| State of Alaska, Department of Revenue | 3,903 | $73.0K | 0.00% | +3,903 | New |
| Royal Bank of Canada | 3,784 | $70.0K | 0.00% | −4,821−56.0% | Reduced |
| FMR LLC | 3,329 | $62.3K | 0.00% | +62+1.9% | Added |
| BNP Paribas Arbitrage, SA | 2,955 | $55.3K | 0.00% | +204+7.4% | Added |
| Jones Financial Companies LLLP | 2,929 | $54.8K | 0.00% | +1,600+120.4% | Added |
| Public Employees Retirement System of Ohio | 2,189 | $41.0K | 0.00% | −14,500−86.9% | Reduced |
| Clearstead Advisors, LLC | 2,094 | $39.2K | 0.00% | +1,384+194.9% | Added |
| Ameritas Investment Partners, Inc. | 1,454 | $27.2K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 1,391 | $26.0K | 0.00% | +167+13.6% | Added |
| Legal & General Group Plc | 1,260 | $23.6K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,090 | $20.4K | 0.00% | −435−28.5% | Reduced |
| Avion Wealth | 1,000 | $18.0K | 0.00% | 00.0% | Unchanged |