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Mayville Engineering Co
MEC

Overview Fund Activity

116 hedge funds and large institutions have $168M invested in Mayville Engineering Co in 2025 Q1 according to their latest regulatory filings, with 15 funds opening new positions, 38 increasing their positions, 38 reducing their positions, and 12 closing their positions.

Holders
116
Holders Change
+2
Holders Change %
+1.75%
% of All Funds
1.58%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
15
Increased
38
Reduced
38
Closed
12
Calls
$99K
Puts
$138K
Net Calls
-$39K
Net Calls Change
-$198K

Top Buyers

1
Citadel Advisors
1
Citadel Advisors
Florida
$1.93M
2
Marshall Wace
2
Marshall Wace
United Kingdom
$1.36M
3
CP
3
CenterBook Partners
Connecticut
$1.32M
4
Millennium Management
4
Millennium Management
New York
$1.51M
5
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$10.4M

Top Sellers

1
William Blair & Company
1
William Blair & Company
Illinois
$1.24M
2
NC
2
Nokomis Capital
Texas
$4.66M
3
GIM
3
Granahan Investment Management
Massachusetts
$6.42M
4
Goldman Sachs
4
Goldman Sachs
New York
$1.52M
5
HCA
5
Harbor Capital Advisors
Illinois
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Victory Capital Management
76
Victory Capital Management
Texas
$180K 13,385 +13,385 New
RWM
77
Ritholtz Wealth Management
New York
$176K 13,090 -12,215 -48%
TPW
78
Transatlantique Private Wealth
New York
$173K 12,862 +12,862 New
OAM
79
Oppenheimer Asset Management
New York
$152K 11,348 +11,348 New
EGM
80
Engineers Gate Manager
New York
$152K 11,345 -4,884 -30%
Ohio Public Employees Retirement System (OPERS)
81
Ohio Public Employees Retirement System (OPERS)
Ohio
$146K 10,834 -1,636 -13%
NWAG
82
Net Worth Advisory Group
Utah
$143K 10,629 -175 -2%
DCM
83
Delta Capital Management
New Jersey
$139K 10,380 -230 -2%
Deutsche Bank
84
Deutsche Bank
Germany
$137K 10,207 -1,915 -16%
Citigroup
85
Citigroup
New York
$130K 9,656 -923 -9%
A
86
AlphaQuest
New York
$106K 7,879 +5,438 +223%
HI
87
Harbour Investments
Wisconsin
$103K 7,700 – –
Mirae Asset Global ETFs Holdings
88
Mirae Asset Global ETFs Holdings
Hong Kong
$102K 7,602 +312 +4%
JPMorgan Chase & Co
89
JPMorgan Chase & Co
New York
$88.3K 6,577 +427 +7%
MIM
90
MetLife Investment Management
New Jersey
$87K 6,477 – –
CF
91
Corebridge Financial
Texas
$84.7K 6,310 -93 -1%
ACM
92
Aquatic Capital Management
Illinois
$83.2K 6,194 +3,421 +123%
New York State Common Retirement Fund
93
New York State Common Retirement Fund
New York
$72K 5,395 – –
BNP Paribas Financial Markets
94
BNP Paribas Financial Markets
France
$66.6K 4,959 -3,713 -43%
Fidelity Investments
95
Fidelity Investments
Massachusetts
$41.6K 3,100 -45 -1%
US Bancorp
96
US Bancorp
Minnesota
$38.3K 2,853 – –
PFSRSONJ
97
Police & Firemen's Retirement System of New Jersey
New Jersey
$34.3K 2,557 – –
Legal & General Group
98
Legal & General Group
United Kingdom
$16.9K 1,260 – –
New York State Teachers Retirement System (NYSTRS)
99
New York State Teachers Retirement System (NYSTRS)
New York
$16K 1,161 – –
AW
100
Avion Wealth
Texas
$15K 1,000 – –
2 3
4
5 6