MAYVILLE ENGINEERING CO INC (MEC) Institutional Ownership Changes & 13F Activity

MAYVILLE ENGINEERING CO INC (MEC) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include First Eagle U.S. Value and Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026First Eagle U.S. ValueBuy46,000404,075$7,253,146
Q1 2026Renaissance Technologies LLCSell-8,30062,900$1,129,055
Q4 2025Renaissance Technologies LLCSell-83,80071,200$1,332,864
Q4 2025First Eagle U.S. ValueBuy3,500358,075$6,703,164
Q3 2025Renaissance Technologies LLCBuy11,000155,000$2,132,800
Q3 2025First Eagle U.S. ValueBuy500354,575$4,878,952
Q2 2025Renaissance Technologies LLCBuy58,100144,000$2,298,240
Q2 2025First Eagle U.S. ValueBuy2,200354,075$5,651,037
Q1 2025Renaissance Technologies LLCSell-26,80085,900$1,153,637
Q1 2025First Eagle U.S. ValueBuy19,500351,875$4,725,681
Q4 2024First Eagle U.S. ValueBuy32,500332,375$5,224,935
Q4 2024Renaissance Technologies LLCSell-14,191112,700$1,771,644
Q3 2024Renaissance Technologies LLCBuy104,591126,891$2,674,862
Q3 2024First Eagle U.S. ValueBuy49,090299,875$6,321,365
Q2 2024First Eagle U.S. ValueBuy201,047250,785$4,178,078
Q2 2024Renaissance Technologies LLCBuy6,40022,300$371,518
Q1 2024First Eagle U.S. ValueBuy49,73849,738$712,746
Q2 2023Renaissance Technologies LLCSell-51,49715,900$198
Q3 2022Renaissance Technologies LLCSell-25,73967,397$439
Q2 2022Renaissance Technologies LLCBuy81,03693,136$721
Q1 2022Renaissance Technologies LLCSell-23,50012,100$113
Q4 2021Renaissance Technologies LLCSell-106,22335,600$531
Q3 2021Renaissance Technologies LLCBuy70,300141,823$2,666
Q2 2021Renaissance Technologies LLCBuy30,40071,523$1,438
Q1 2021Renaissance Technologies LLCBuy31,10041,123$591
Q4 2020Renaissance Technologies LLCBuy10,02310,023$135

Frequently asked questions about MEC activity

  • Which institutional owners are buying MEC?

    Institutional owners buying MEC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MEC activity?

    "Buy" means an investor increased their reported position in MEC compared to the prior reporting period. This reflects growing exposure to MAYVILLE ENGINEERING CO INC (MEC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MEC increasing?

    Institutional interest in MEC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.