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Advanced Drainage Systems

538 hedge funds and large institutions have $10.3B invested in Advanced Drainage Systems in 2025 Q4 according to their latest regulatory filings, with 88 funds opening new positions, 160 increasing their positions, 212 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

2.07% less ownership

Funds ownership: 93.39%91.33% (-2.1%)

25% less repeat investments, than reductions

Existing positions increased: 160 | Existing positions reduced: 212

33% less funds holding in top 10

Funds holding in top 10: 96 (-3)

Holders
538
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$31.8M
Puts
$30.1M
Net Calls
Net Calls Change

Top Sellers

1 -$108M
2 -$62.7M
3 -$59.8M
4
Morgan Stanley
Morgan Stanley
New York
-$42.1M
5
UBS AM
UBS AM
Illinois
-$37.1M
Name Holding Trade Value Shares
Change
Change in
Stake
PCM
101
Peregrine Capital Management
Minnesota
$14M
N
102
Nuveen
North Carolina
$14M
CS
103
Candriam SCA
Luxembourg
$13.6M
AllianceBernstein
104
AllianceBernstein
Tennessee
$13.2M
VanEck Associates
105
VanEck Associates
New York
$12.7M
Retirement Systems of Alabama
106
Retirement Systems of Alabama
Alabama
$12.4M
DZ Bank
107
DZ Bank
Germany
$12.3M
Raymond James Financial
108
Raymond James Financial
Florida
$11.9M
Janney Montgomery Scott
109
Janney Montgomery Scott
Pennsylvania
$11.2M
KCM
110
Kornitzer Capital Management
Kansas
$11M
Fidelity Investments
111
Fidelity Investments
Massachusetts
$11M
Man Group
112
Man Group
United Kingdom
$10.8M
California State Teachers Retirement System (CalSTRS)
113
California State Teachers Retirement System (CalSTRS)
California
$10M
Nordea Investment Management
114
Nordea Investment Management
Sweden
$9.91M
T. Rowe Price Associates
115
T. Rowe Price Associates
Maryland
$9.57M
ACH
116
ArrowMark Colorado Holdings
Colorado
$9.56M
Mawer Investment Management
117
Mawer Investment Management
Alberta, Canada
$9.47M
CCM
118
Channing Capital Management
Illinois
$9.14M
Envestnet Asset Management
119
Envestnet Asset Management
Illinois
$9.11M
State of Wisconsin Investment Board
120
State of Wisconsin Investment Board
Wisconsin
$9.06M
BA
121
Bridgewater Associates
Connecticut
$8.82M
LOAME
122
Lombard Odier Asset Management (Europe)
United Kingdom
$8.61M
NAMI
123
Nomura Asset Management International
Pennsylvania
$8.48M
Fidelity International
124
Fidelity International
Bermuda
$8.03M
TCM
125
Turas Capital Management
Massachusetts
$8.02M