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Montrose Environmental
MEG

Overview Fund Activity

158 hedge funds and large institutions have $746M invested in Montrose Environmental in 2025 Q2 according to their latest regulatory filings, with 28 funds opening new positions, 67 increasing their positions, 48 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
158
Holders Change
-4
Holders Change %
-2.47%
% of All Funds
2.12%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
28
Increased
67
Reduced
48
Closed
31
Calls
$17.9M
Puts
$8.58M
Net Calls
+$9.28M
Net Calls Change
+$8.13M

Top Buyers

1
AllianceBernstein
AllianceBernstein
Tennessee
+$27.3M
2
William Blair Investment Management
William Blair Investment Management
Illinois
+$9.07M
3
Marshall Wace
Marshall Wace
United Kingdom
+$5.96M
4
NL
Nuveen LLC
North Carolina
+$4.79M
5
SIMG
Stephens Investment Management Group
Texas
+$4.43M

Top Sellers

1
Millennium Management
Millennium Management
New York
-$15.6M
2
GIP
Granite Investment Partners
California
-$15.1M
3
Bank of America
Bank of America
North Carolina
-$15M
4
UBS AM
UBS AM
Illinois
-$13.6M
5
Northern Trust
Northern Trust
Illinois
-$5.59M
Name Holding Trade Value Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$62.8M +$1.66M +75,854 +3%
BAMCO Inc
2
BAMCO Inc
New York
$60.5M +$1.5M +68,713 +3%
William Blair Investment Management
3
William Blair Investment Management
Illinois
$50.7M +$9.07M +414,272 +22%
Macquarie Group
4
Macquarie Group
Australia
$43M +$1.09M +49,838 +3%
Vanguard Group
5
Vanguard Group
Pennsylvania
$41.1M +$2.09M +95,650 +5%
UBS AM
6
UBS AM
Illinois
$38.5M -$13.6M -620,401 -26%
AllianceBernstein
7
AllianceBernstein
Tennessee
$28.1M +$27.3M +1,246,199 +3,408%
FAM
8
Fred Alger Management
New York
$25.2M +$3.51M +160,262 +16%
Bank of America
9
Bank of America
North Carolina
$24.6M -$15M -684,311 -38%
RA
10
Royce & Associates
New York
$22.6M +$3.97M +181,500 +21%
Legal & General Group
11
Legal & General Group
United Kingdom
$19.8M +$2.26M +103,460 +13%
Janus Henderson Group
12
Janus Henderson Group
United Kingdom
$17.8M +$2.91M +133,061 +20%
Truist Financial
13
Truist Financial
North Carolina
$17.7M -$206K -9,422 -1%
Millennium Management
14
Millennium Management
New York
$17.4M -$15.6M -710,794 -47%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$16.7M +$598K +27,316 +4%
State Street
16
State Street
Massachusetts
$15.7M +$408K +18,656 +3%
NL
17
Nuveen LLC
North Carolina
$15.4M +$4.79M +218,753 +45%
Dimensional Fund Advisors
18
Dimensional Fund Advisors
Texas
$15M -$683K -31,220 -4%
SIMG
19
Stephens Investment Management Group
Texas
$14.4M +$4.43M +202,541 +45%
SCA
20
Summit Creek Advisors
Minnesota
$13.7M +$920K +42,046 +7%
UBS Group
21
UBS Group
Switzerland
$11.1M -$180K -8,225 -2%
DekaBank Deutsche Girozentrale
22
DekaBank Deutsche Girozentrale
Germany
$10.9M +$750K +34,897 +7%
Marshall Wace
23
Marshall Wace
United Kingdom
$8.4M +$5.96M +272,444 +245%
William Blair & Company
24
William Blair & Company
Illinois
$7.66M +$348K +15,910 +5%
Northern Trust
25
Northern Trust
Illinois
$7.58M -$5.59M -255,434 -42%
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