SIMPLEX TRADING, LLC - MAYVILLE ENGR CO INC ownership

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MAYVILLE ENGR CO INC's ticker is and the CUSIP is 578605957. A total of 1 filers reported holding MAYVILLE ENGR CO INC in Q1 2023. The put-call ratio across all filers is - and the average weighting 0.0%.

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Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of MAYVILLE ENGR CO INC
ValueSharesWeighting
Q3 2023$39
-11.4%
3,6000.0%0.00%–
Q2 2023$44
+2100.0%
3,600
+1700.0%
0.00%–
Q4 2022$2–200–0.00%–
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Other shareholders
MAYVILLE ENGR CO INC shareholders Q1 2023
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
GROUP ONE TRADING, L.P. 100$1,0970.00%
SIMPLEX TRADING, LLC 3,600$390.00%
View complete list of MAYVILLE ENGR CO INC shareholders