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 |
|---|---|---|---|---|---|
| CWM, LLC | 922 | $16.6K | 0.00% | +21+2.3% | Added |
| California State Teachers Retirement System | 708 | $12.7K | 0.00% | −97−12.0% | Reduced |
| MAI Capital Management | 414 | $7.43K | 0.00% | +273+193.6% | Added |
| Sterling Capital Management LLC | 401 | $7.20K | 0.00% | −15,770−97.5% | Reduced |
| Rockefeller Capital Management L.P. | 276 | $4.95K | 0.00% | −307−52.7% | Reduced |
| UBS Asset Management Americas Inc | 229 | $4.11K | 0.00% | +182+387.2% | Added |
| GAMMA Investing LLC | 174 | $3.12K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 124 | $2.23K | 0.00% | −112−47.5% | Reduced |
| Fifth Third Bancorp | 118 | $2.11K | 0.00% | +118 | New |
| Advisory Services Network, LLC | 115 | $2.06K | 0.00% | +115 | New |
| Annis Gardner Whiting Capital Advisors, LLC | 80 | $1.44K | 0.00% | +80 | New |
| Allworth Financial LP | 58 | $1.04K | 0.00% | 00.0% | Unchanged |
| Bayban | 43 | $772 | 0.00% | +43 | New |
| Bare Financial Services, Inc | 37 | $664 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 35 | $629 | 0.00% | 00.0% | Unchanged |
| Vermillion Wealth Management, Inc. | 30 | $539 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 26 | $467 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 25 | $449 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 20 | $359 | 0.00% | +7+53.8% | Added |
| Essential Partners LLC | 14 | $251 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 14 | $251 | 0.00% | +14 | New |
| US Bancorp | 11 | $197 | 0.00% | −274−96.1% | Reduced |
| True Wealth Design, LLC | 9 | $162 | 0.00% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 5 | $90 | 0.00% | +5 | New |
| 22NW, LP | 0 | $0 | 0.00% | −414,280−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −53,074−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −38,672−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −31,868−100.0% | Sold out |
| Sentinus, LLC | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −19,416−100.0% | Sold out |
| Wealth Enhancement Advisory Services, LLC | 0 | $0 | 0.00% | −13,792−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −12,933−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −12,160−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −11,316−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −10,954−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −7,827−100.0% | Sold out |
| Picton Mahoney Asset Management | 0 | $0 | 0.00% | −5,800−100.0% | Sold out |
| Public Employees Retirement System of Ohio | 0 | $0 | 0.00% | −2,189−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −2,094−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −659−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −411−100.0% | Sold out |
| Torren Management, LLC | 0 | $0 | 0.00% | −26−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Covestor Ltd | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Perritt Capital Management Inc | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |