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, Q2 2025
Institutional positions in Mayville Engineering Company, Inc. as of Jun 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
- 113
- −4 vs. Q1 2025
- Shares held
- 12.6M
- +205.0K (+1.6%) vs. Q1 2025
- Total value
- $202.5M
- +$34.7M (+20.7%) vs. Q1 2025
- New holders
- 14
- 47 more added
- Sold out
- 18
- 31 more reduced
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Mayville Engineering Company, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Arrowstreet Capital, Limited Partnership | 268,635 | $4.29M | 0.00% | +2,235+0.8% | Added |
| American Century Companies Inc | 306,982 | $4.90M | 0.00% | +54,843+21.8% | Added |
| Geode Capital Management, LLC | 318,321 | $5.08M | 0.00% | +27,552+9.5% | Added |
| First Eagle Investment Management, LLC | 354,075 | $5.65M | 0.01% | +2,200+0.6% | Added |
| Ancora Advisors, LLC | 359,780 | $5.74M | 0.12% | +50,200+16.2% | Added |
| Blair William & Co | 373,448 | $5.96M | 0.02% | +281,198+304.8% | Added |
| Granahan Investment Management Inc | 498,305 | $7.95M | 0.32% | +20,267+4.2% | Added |
| Royce & Associates LP | 558,849 | $8.92M | 0.09% | −32,470−5.5% | Reduced |
| Tocqueville Asset Management L.P. | 571,187 | $9.12M | 0.14% | −50,017−8.1% | Reduced |
| Dimensional Fund Advisors LP | 814,034 | $13.0M | 0.00% | +41,466+5.4% | Added |
| Vanguard Group Inc | 882,195 | $14.1M | 0.00% | +266,049+43.2% | Added |
| BlackRock, Inc. | 913,189 | $14.6M | 0.00% | +63,598+7.5% | Added |
| Allspring Global Investments Holdings, LLC | 2,446,090 | $39.8M | 0.07% | +5,013+0.2% | Added |
| Nokomis Capital, L.L.C. | 0 | $0 | 0.00% | −346,966−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −131,053−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −112,350−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −47,194−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −26,552−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −26,116−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −21,580−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −14,873−100.0% | Sold out |
| Mesirow Financial Investment Management, Inc. | 0 | $0 | 0.00% | −15,682−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −13,431−100.0% | Sold out |
| Ritholtz Wealth Management | 0 | $0 | 0.00% | −13,090−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −11,345−100.0% | Sold out |
| Net Worth Advisory Group | 0 | $0 | 0.00% | −10,629−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −6,310−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −6,194−100.0% | Sold out |
| Abound Wealth Management | 0 | $0 | 0.00% | −561−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −190−100.0% | Sold out |