Mayville Engineering Company Inc. (MEC)

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Institutional Investors' Holdings

Filing Period: Filing is Ongoing

No.	Name	Shares	Value	% Port
1.	Allspring Global Investments Holdings, Llc	2,441,077	$33,564,809	0.06%
2.	Blackrock, Inc.	849,591	$11,410,007	0%
3.	Vanguard Group Inc	616,146	$8,274,841	0%
4.	Goldman Sachs Group Inc	113,534	$1,524,762	0%
5.	Centerbook Partners Lp	98,553	$1,323,567	0.08%