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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 %
Susquehanna International Group
51
Susquehanna International Group
Pennsylvania
$450K +$71K +4,449 +19%
Lazard Asset Management
52
Lazard Asset Management
New York
$431K -$24K -1,509 -5%
AQR Capital Management
53
AQR Capital Management
Connecticut
$405K -$709K -44,435 -64%
Envestnet Asset Management
54
Envestnet Asset Management
Illinois
$403K -$49K -3,068 -11%
Raymond James Financial
55
Raymond James Financial
Florida
$390K +$144K +9,026 +59%
State of Wisconsin Investment Board
56
State of Wisconsin Investment Board
Wisconsin
$388K +$152K +9,500 +64%
AWM
57
Avior Wealth Management
Nebraska
$366K – – –
GI
58
Gradient Investments
Minnesota
$344K -$14K -875 -4%
LPL Financial
59
LPL Financial
California
$333K -$63.8K -4,000 -16%
RhumbLine Advisers
60
RhumbLine Advisers
Massachusetts
$319K +$24.4K +1,526 +8%
Squarepoint
61
Squarepoint
New York
$307K -$1.04M -65,250 -77%
B
62
Bailard
California
$284K +$284K +17,800 New
SIA
63
SeaBridge Investment Advisors
New Jersey
$261K +$176 +11 +0.1%
Citadel Advisors
64
Citadel Advisors
Florida
$255K -$2.04M -127,758 -89%
EC
65
EntryPoint Capital
New York
$254K -$9.21K -577 -3%
Franklin Resources
66
Franklin Resources
California
$253K – – –
SCM
67
Sterling Capital Management
North Carolina
$252K +$2.08K +130 +0.8%
Victory Capital Management
68
Victory Capital Management
Texas
$242K +$28.7K +1,796 +13%
Wells Fargo
69
Wells Fargo
California
$227K +$5.32K +333 +2%
Wealth Enhancement Advisory Services
70
Wealth Enhancement Advisory Services
Minnesota
$213K -$52.7K -3,139 -20%
AllianceBernstein
71
AllianceBernstein
Tennessee
$211K +$211K +13,190 New
TPW
72
Transatlantique Private Wealth
New York
$205K – – –
SOW
73
State of Wyoming
Wyoming
$203K -$85.1K -5,335 -30%
OAM
74
Oppenheimer Asset Management
New York
$178K -$3.45K -216 -2%
Ohio Public Employees Retirement System (OPERS)
75
Ohio Public Employees Retirement System (OPERS)
Ohio
$173K – – –
1 2
3
4 5