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Mayville Engineering Co
MEC

Overview Fund Activity

110 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, 46 increasing their positions, 31 reducing their positions, and 18 closing their positions.

Holders
110
Holders Change
-6
Holders Change %
-5.17%
% of All Funds
1.48%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
13
Increased
46
Reduced
31
Closed
18
Calls
$7K
Puts
$2K
Net Calls
+$5K
Net Calls Change
+$44K

Top Buyers

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

Top Sellers

1
NC
1
Nokomis Capital
Texas
$0
2
Citadel Advisors
2
Citadel Advisors
Florida
$255K
3
PAMP
3
Polar Asset Management Partners
Ontario, Canada
$0
4
Millennium Management
4
Millennium Management
New York
$0
5
Squarepoint
5
Squarepoint
New York
$307K
Name Market Value Shares Shares
Change 		Shares
Change %
RC
26
Roubaix Capital
Colorado
$1.61M 101,138 +101,138 New
ACA
27
Anchor Capital Advisors
Massachusetts
$1.56M 97,638 -3,211 -3%
WANY
28
Wealthspire Advisors (New York)
New York
$1.52M 95,415 – –
CP
29
CenterBook Partners
Connecticut
$1.52M 95,086 -3,467 -4%
UBS Group
30
UBS Group
Switzerland
$1.4M 87,534 +61,375 +235%
Goldman Sachs
31
Goldman Sachs
New York
$1.37M 85,571 -27,963 -25%
Marshall Wace
32
Marshall Wace
United Kingdom
$1.03M 64,566 -36,806 -36%
Morgan Stanley
33
Morgan Stanley
New York
$994K 62,302 +33,451 +116%
SEI Investments
34
SEI Investments
Pennsylvania
$822K 51,490 +6,103 +13%
NL
35
Nuveen LLC
North Carolina
$787K 49,337 +1,420 +3%
MAM
36
Martingale Asset Management
Massachusetts
$695K 43,516 -1,299 -3%
Barclays
37
Barclays
United Kingdom
$646K 40,502 +10,865 +37%
Ameriprise
38
Ameriprise
Minnesota
$633K 39,647 +2,958 +8%
Bank of New York Mellon
39
Bank of New York Mellon
New York
$626K 39,228 +2,126 +6%
Charles Schwab
40
Charles Schwab
California
$625K 39,131 +4,879 +14%
PAM
41
Panagora Asset Management
Massachusetts
$622K 38,987 +38,987 New
SSWM
42
Sheets Smith Wealth Management
North Carolina
$616K 38,585 +680 +2%
Janus Henderson Group
43
Janus Henderson Group
United Kingdom
$607K 38,013 +38,013 New
Janney Montgomery Scott
44
Janney Montgomery Scott
Pennsylvania
$583K 36,499 +190 +0.5%
SO
45
STRS Ohio
Ohio
$496K 31,100 -2,400 -7%
Royal Bank of Canada
46
Royal Bank of Canada
Ontario, Canada
$492K 30,793 +12,688 +70%
OSAM
47
O'Shaughnessy Asset Management
Connecticut
$488K 30,594 +17 +0.1%
PCM
48
Perritt Capital Management
Illinois
$479K 30,000 – –
Invesco
49
Invesco
Georgia
$470K 29,422 -3,346 -10%
EEL
50
Expect Equity LLC
Maryland
$451K 28,233 -26,341 -48%
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