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, Q1 2026
Institutional positions in Mayville Engineering Company, Inc. as of Mar 31, 2026. 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
- 124
- +4 vs. Q4 2025
- Shares held
- 14.4M
- +1.18M (+8.9%) vs. Q4 2025
- Total value
- $258.4M
- +$10.4M (+4.2%) vs. Q4 2025
- New holders
- 24
- 38 more added
- Sold out
- 20
- 39 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Mayville Engineering Company, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Root Financial Partners, LLC | 5 | $90 | 0.00% | +5 | New |
| True Wealth Design, LLC | 9 | $162 | 0.00% | 00.0% | Unchanged |
| US Bancorp | 11 | $197 | 0.00% | −274−96.1% | Reduced |
| Essential Partners LLC | 14 | $251 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 14 | $251 | 0.00% | +14 | New |
| The PNC Financial Services Group, Inc. | 20 | $359 | 0.00% | +7+53.8% | Added |
| EverSource Wealth Advisors, LLC | 25 | $449 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 26 | $467 | 0.00% | 00.0% | Unchanged |
| Vermillion Wealth Management, Inc. | 30 | $539 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 35 | $629 | 0.00% | 00.0% | Unchanged |
| Bare Financial Services, Inc | 37 | $664 | 0.00% | 00.0% | Unchanged |
| Bayban | 43 | $772 | 0.00% | +43 | New |
| Allworth Financial LP | 58 | $1.04K | 0.00% | 00.0% | Unchanged |
| Annis Gardner Whiting Capital Advisors, LLC | 80 | $1.44K | 0.00% | +80 | New |
| Advisory Services Network, LLC | 115 | $2.06K | 0.00% | +115 | New |
| Fifth Third Bancorp | 118 | $2.11K | 0.00% | +118 | New |
| Optiver Holding B.V. | 124 | $2.23K | 0.00% | −112−47.5% | Reduced |
| GAMMA Investing LLC | 174 | $3.12K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 229 | $4.11K | 0.00% | +182+387.2% | Added |
| Rockefeller Capital Management L.P. | 276 | $4.95K | 0.00% | −307−52.7% | Reduced |
| Sterling Capital Management LLC | 401 | $7.20K | 0.00% | −15,770−97.5% | Reduced |
| MAI Capital Management | 414 | $7.43K | 0.00% | +273+193.6% | Added |
| California State Teachers Retirement System | 708 | $12.7K | 0.00% | −97−12.0% | Reduced |
| CWM, LLC | 922 | $16.6K | 0.00% | +21+2.3% | Added |
| Avion Wealth | 1,000 | $17.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 1,260 | $22.6K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,281 | $23.0K | 0.00% | +191+17.5% | Added |
| Ameritas Investment Partners, Inc. | 1,454 | $26.1K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 1,637 | $29.4K | 0.00% | +246+17.7% | Added |
| BNP Paribas Arbitrage, SA | 2,798 | $50.2K | 0.00% | −157−5.3% | Reduced |
| Royal Bank of Canada | 3,447 | $62.0K | 0.00% | −337−8.9% | Reduced |
| State of Alaska, Department of Revenue | 3,903 | $70.0K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 4,261 | $76.5K | 0.00% | +932+28.0% | Added |
| Police & Firemen's Retirement System of New Jersey | 4,651 | $83.5K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 5,481 | $95.8K | 0.00% | −72−1.3% | Reduced |
| New York State Common Retirement Fund | 5,395 | $96.8K | 0.00% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 5,936 | $106.6K | 0.00% | +5,936 | New |
| Jones Financial Companies LLLP | 6,181 | $109.4K | 0.00% | +3,252+111.0% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 6,241 | $112.0K | 0.00% | +136+2.2% | Added |
| Harbour Investments, Inc. | 7,700 | $138.2K | 0.00% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 7,785 | $140.0K | 0.01% | +7,785 | New |
| MetLife Investment Management | 7,958 | $142.8K | 0.00% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 8,901 | $159.8K | 0.00% | +4,518+103.1% | Added |
| Deutsche Bank AG | 10,237 | $183.8K | 0.00% | +1,988+24.1% | Added |
| Heck Capital Advisors, LLC | 11,494 | $206.3K | 0.02% | +11,494 | New |
| Brevan Howard Capital Management LP | 12,023 | $215.8K | 0.00% | +12,023 | New |
| Mirabella Financial Services LLP | 12,430 | $223.1K | 0.02% | +12,430 | New |
| Wells Fargo & Company | 12,569 | $225.6K | 0.00% | −9,922−44.1% | Reduced |
| Alliancebernstein L.P. | 12,810 | $239.8K | 0.00% | 00.0% | Unchanged |
| Franklin Resources Inc | 13,528 | $242.8K | 0.00% | +70+0.5% | Added |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 14,919 | $267.8K | 0.01% | 00.0% | Unchanged |
| Worth Venture Partners, LLC | 15,110 | $271.2K | 0.86% | +1,375+10.0% | Added |
| Johnson Financial Group, Inc. | 16,475 | $295.7K | 0.01% | 00.0% | Unchanged |
| Gradient Investments LLC | 17,104 | $307.0K | 0.00% | −3,800−18.2% | Reduced |
| Rhumbline Advisers | 18,200 | $326.7K | 0.00% | +168+0.9% | Added |
| SummitTX Capital, L.P. | 18,696 | $335.6K | 0.01% | +3,578+23.7% | Added |
| Barclays PLC | 19,028 | $341.6K | 0.00% | −17,997−48.6% | Reduced |
| Needham Investment Management LLC | 20,000 | $359.0K | 0.02% | +20,000 | New |
| Envestnet Asset Management Inc | 20,301 | $364.4K | 0.00% | −3,057−13.1% | Reduced |
| AQR Capital Management LLC | 20,383 | $365.9K | 0.00% | −11,525−36.1% | Reduced |
| LPL Financial LLC | 21,771 | $390.8K | 0.00% | −17−0.1% | Reduced |
| Morgan Stanley | 23,834 | $427.8K | 0.00% | −58,556−71.1% | Reduced |
| O'Shaughnessy Asset Management, LLC | 26,370 | $473.3K | 0.00% | −774−2.9% | Reduced |
| Invesco Ltd. | 27,028 | $485.2K | 0.00% | −842−3.0% | Reduced |
| North Star Investment Management Corp. | 30,000 | $538.5K | 0.03% | +30,000 | New |
| Janney Montgomery Scott LLC | 31,305 | $562.0K | 0.00% | −2,845−8.3% | Reduced |
| Ancora Advisors, LLC | 32,133 | $576.8K | 0.01% | −93,897−74.5% | Reduced |
| State of Wisconsin Investment Board | 32,262 | $579.1K | 0.00% | −8,435−20.7% | Reduced |
| Two Sigma Investments, LP | 34,708 | $623.0K | 0.00% | +34,708 | New |
| Legato Capital Management LLC | 35,698 | $640.8K | 0.06% | +35,698 | New |
| Panagora Asset Management Inc | 36,765 | $659.9K | 0.00% | −17,829−32.7% | Reduced |
| Bank of New York Mellon Corp | 38,851 | $697.4K | 0.00% | −3,438−8.1% | Reduced |
| Sheets Smith Wealth Management | 38,975 | $699.6K | 0.08% | 00.0% | Unchanged |
| Essential Investment Partners LLC | 39,639 | $711.5K | 0.66% | +5,370+15.7% | Added |
| Numerai GP LLC | 39,755 | $713.6K | 0.07% | +39,755 | New |
| Charles Schwab Investment Management Inc | 40,098 | $719.8K | 0.00% | −3,357−7.7% | Reduced |
| XTX Topco Ltd | 41,478 | $744.5K | 0.01% | +20,144+94.4% | Added |
| Journey Strategic Wealth LLC | 44,206 | $793.5K | 0.02% | +15,021+51.5% | Added |
| HighTower Advisors, LLC | 44,587 | $800.3K | 0.00% | +44,587 | New |
| SummerHaven Investment Management, LLC | 45,325 | $813.6K | 0.50% | −6,400−12.4% | Reduced |
| Nuveen, LLC | 47,418 | $851.2K | 0.00% | −40,169−45.9% | Reduced |
| Integrated Quantitative Investments LLC | 50,659 | $909.3K | 0.16% | +50,659 | New |
| Citadel Advisors LLC | 56,786 | $1.02M | 0.00% | −46,677−45.1% | Reduced |
| Renaissance Technologies LLC | 62,900 | $1.13M | 0.00% | −8,300−11.7% | Reduced |
| Goldman Sachs Group Inc | 64,908 | $1.17M | 0.00% | −24,839−27.7% | Reduced |
| Tocqueville Asset Management L.P. | 71,100 | $1.28M | 0.02% | 00.0% | Unchanged |
| Vanguard Portfolio Management LLC | 75,903 | $1.36M | 0.00% | +75,903 | New |
| Anchor Capital Advisors LLC | 81,442 | $1.46M | 0.04% | −26,876−24.8% | Reduced |
| Vanguard Fiduciary Trust Co | 91,044 | $1.63M | 0.00% | +91,044 | New |
| Advisor Group Holdings, Inc. | 99,104 | $1.78M | 0.00% | −20,974−17.5% | Reduced |
| Formula Growth Ltd | 100,000 | $1.79M | 0.81% | +60,000+150.0% | Added |
| Northern Trust Corp | 100,384 | $1.80M | 0.00% | +6,016+6.4% | Added |
| Kennedy Capital Management, Inc. | 106,791 | $1.92M | 0.04% | +2,446+2.3% | Added |
| Squarepoint Ops LLC | 110,569 | $1.98M | 0.00% | +110,569 | New |
| UBS Group AG | 116,571 | $2.09M | 0.00% | −29,981−20.5% | Reduced |
| CenterBook Partners LP | 120,303 | $2.16M | 0.12% | −135,488−53.0% | Reduced |
| SEI Investments Co | 122,878 | $2.21M | 0.00% | +39,309+47.0% | Added |
| Empowered Funds, LLC | 123,293 | $2.21M | 0.01% | +123,293 | New |
| Russell Investments Group, Ltd. | 138,215 | $2.48M | 0.00% | −51,766−27.2% | Reduced |
| Panoramic Capital, LLC | 140,000 | $2.51M | 1.76% | +140,000 | New |