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Advanced Drainage Systems
WMS

Overview Fund Activity

473 hedge funds and large institutions have $8.31B invested in Advanced Drainage Systems in 2025 Q2 according to their latest regulatory filings, with 73 funds opening new positions, 181 increasing their positions, 166 reducing their positions, and 51 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
473
Holders Change
+18
Holders Change %
+3.96%
% of All Funds
6.34%
Holding in Top 10
5
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+66.67%
% of All Funds
0.07%
New
73
Increased
181
Reduced
166
Closed
51
Calls
$16M
Puts
$6.33M
Net Calls
+$9.64M
Net Calls Change
+$2.89M

Top Buyers

1
IC
Impactive Capital
New York
$191M
2
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management
California
$147M
3
Capital International Investors
Capital International Investors
California
$79.5M
4
IP
Interval Partners
New York
$56.2M
5
SSA
Schonfeld Strategic Advisors
New York
$48.7M

Top Sellers

1
Invesco
Invesco
Georgia
$116M
2
Pictet Asset Management
Pictet Asset Management
Switzerland
$299M
3
Swedbank
Swedbank
Sweden
$52.3M
4
Alyeska Investment Group
Alyeska Investment Group
Illinois
$0
5
BlackRock
BlackRock
New York
$812M
Name Holding Trade Value Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$862M -$3.23M -28,119 -0.4%
BlackRock
2
BlackRock
New York
$812M -$26.8M -233,290 -3%
UBS AM
3
UBS AM
Illinois
$358M -$180K -1,570 -0.1%
Impax Asset Management Group
4
Impax Asset Management Group
United Kingdom
$349M +$16M +139,495 +5%
Pictet Asset Management
5
Pictet Asset Management
Switzerland
$299M -$66.5M -579,179 -18%
State Street
6
State Street
Massachusetts
$284M -$12.8M -111,184 -4%
Baillie Gifford & Co
7
Baillie Gifford & Co
United Kingdom
$284M -$2.28M -19,809 -0.8%
First Trust Advisors
8
First Trust Advisors
Illinois
$250M +$13.5M +117,963 +6%
Morgan Stanley
9
Morgan Stanley
New York
$192M +$14.8M +128,918 +8%
IC
10
Impactive Capital
New York
$191M +$191M +1,663,999 New
American Century Companies
11
American Century Companies
Missouri
$159M +$412K +3,583 +0.3%
Kayne Anderson Rudnick Investment Management
12
Kayne Anderson Rudnick Investment Management
California
$147M +$133M +1,161,991 +997%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$140M -$2.57M -22,375 -2%
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$129M +$10.4M +90,578 +9%
Amundi
15
Amundi
France
$127M -$3.36M -30,493 -3%
Invesco
16
Invesco
Georgia
$116M -$83.3M -725,064 -42%
William Blair Investment Management
17
William Blair Investment Management
Illinois
$107M -$9.15M -79,660 -8%
KBC Group
18
KBC Group
Belgium
$101M +$707K +6,154 +0.7%
Norges Bank
19
Norges Bank
Norway
$91M +$91M +792,171 New
MU
20
Mirova US
Massachusetts
$81.4M +$2.05M +17,875 +3%
Canada Pension Plan Investment Board
21
Canada Pension Plan Investment Board
Ontario, Canada
$79.7M -$21.4M -186,607 -21%
Capital International Investors
22
Capital International Investors
California
$79.5M +$64.7M +563,506 +437%
Ameriprise
23
Ameriprise
Minnesota
$78.4M -$6.39M -55,653 -8%
Charles Schwab
24
Charles Schwab
California
$76.5M +$989K +8,610 +1%
LIP
25
Liontrust Investment Partners
United Kingdom
$75.9M -$4.38M -38,130 -5%
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