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Mayville Engineering Co
MEC

Overview Fund Activity

111 hedge funds and large institutions have $202M invested in Mayville Engineering Co in 2025 Q2 according to their latest regulatory filings, with 13 funds opening new positions, 47 increasing their positions, 31 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
111
Holders Change
-5
Holders Change %
-4.31%
% of All Funds
1.49%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
13
Increased
47
Reduced
31
Closed
18
Calls
$7K
Puts
$2K
Net Calls
+$5K
Net Calls Change
+$44K

Top Buyers

1
William Blair & Company
William Blair & Company
Illinois
$5.96M
2
Vanguard Group
Vanguard Group
Pennsylvania
$14.1M
3
2L
22NW LP
Washington
$2.48M
4
RC
Roubaix Capital
Colorado
$1.61M
5
BlackRock
BlackRock
New York
$14.6M

Top Sellers

1
NC
Nokomis Capital
Texas
$0
2
Citadel Advisors
Citadel Advisors
Florida
$255K
3
PAMP
Polar Asset Management Partners
Ontario, Canada
$0
4
Millennium Management
Millennium Management
New York
$0
5
Squarepoint
Squarepoint
New York
$307K
Name Holding Trade Value Shares
Change 		Shares
Change %
DCM
76
Delta Capital Management
New Jersey
$166K – – –
CT
77
Chicago Trust
Illinois
$165K +$165K +10,325 New
CF
78
Cantor Fitzgerald
New York
$160K +$160K +10,000 New
SG Americas Securities
79
SG Americas Securities
New York
$146K +$146K +9,128 New
MIM
80
MetLife Investment Management
New Jersey
$127K +$23.6K +1,481 +23%
JPMorgan Chase & Co
81
JPMorgan Chase & Co
New York
$127K +$21.7K +1,359 +21%
Mirae Asset Global ETFs Holdings
82
Mirae Asset Global ETFs Holdings
Hong Kong
$124K +$3.02K +189 +2%
HI
83
Harbour Investments
Wisconsin
$123K – – –
Deutsche Bank
84
Deutsche Bank
Germany
$115K -$47.8K -2,994 -29%
A
85
AlphaQuest
New York
$105K -$20.3K -1,270 -16%
Citigroup
86
Citigroup
New York
$91.5K -$62.6K -3,921 -41%
New York State Common Retirement Fund
87
New York State Common Retirement Fund
New York
$86K – – –
Fidelity Investments
88
Fidelity Investments
Massachusetts
$50.2K +$718 +45 +1%
US Bancorp
89
US Bancorp
Minnesota
$41.4K -$4.09K -256 -9%
PFSRSONJ
90
Police & Firemen's Retirement System of New Jersey
New Jersey
$40.8K – – –
TRCT
91
Tower Research Capital (TRC)
New York
$30.6K +$16.4K +1,030 +116%
AIP
92
Ameritas Investment Partners
Nebraska
$23.2K +$8.65K +542 +59%
BNP Paribas Financial Markets
93
BNP Paribas Financial Markets
France
$21K -$58.1K -3,643 -73%
Legal & General Group
94
Legal & General Group
United Kingdom
$20.1K – – –
New York State Teachers Retirement System (NYSTRS)
95
New York State Teachers Retirement System (NYSTRS)
New York
$19K – – –
Carson Wealth (CWM LLC)
96
Carson Wealth (CWM LLC)
Nebraska
$19K +$15.6K +973 +455%
Jones Financial Companies
97
Jones Financial Companies
Missouri
$18K +$18K +1,114 New
AW
98
Avion Wealth
Texas
$15K – – –
California State Teachers Retirement System (CalSTRS)
99
California State Teachers Retirement System (CalSTRS)
California
$14.7K – – –
Comerica Bank
100
Comerica Bank
Texas
$8.18K +$32 +2 +0.4%
2 3
4
5 6