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Advanced Drainage Systems

545 hedge funds and large institutions have $10.3B invested in Advanced Drainage Systems in 2025 Q4 according to their latest regulatory filings, with 92 funds opening new positions, 160 increasing their positions, 214 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed

142% more first-time investments, than exits

New positions opened: 92 | Existing positions closed: 38

9% more funds holding

Funds holding: 498545 (+47)

6% more call options, than puts

Call options by funds: $31.8M | Put options by funds: $30.1M

2% more capital invested

Capital invested by funds: $10.1B → $10.3B (+$216M)

2.08% less ownership

Funds ownership: 93.69%91.61% (-2.1%)

25% less repeat investments, than reductions

Existing positions increased: 160 | Existing positions reduced: 214

33% less funds holding in top 10

Funds holding in top 10: 96 (-3)

Holders
545
Holders Change
+47
Holders Change %
+9.44%
% of All Funds
6.63%
Holding in Top 10
6
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-33.33%
% of All Funds
0.07%
New
92
Increased
160
Reduced
214
Closed
38
Calls
$31.8M
Puts
$30.1M
Net Calls
+$1.7M
Net Calls Change
-$15.5M
Name Holding Trade Value Shares
Change
Change in
Stake
Janus Henderson Group
26
Janus Henderson Group
United Kingdom
$86.7M +$2.63M +18,146 +3%
Northern Trust
27
Northern Trust
Illinois
$84.5M -$4.39M -30,338 -5%
LIP
28
Liontrust Investment Partners
United Kingdom
$83.1M -$7.74M -53,424 -9%
TIM
29
Triodos Investment Management
Netherlands
$79.1M -$1.16M -8,000 -1%
Mirae Asset Global ETFs Holdings
30
Mirae Asset Global ETFs Holdings
Hong Kong
$78.5M +$2.12M +14,658 +3%
SSA
31
Schonfeld Strategic Advisors
New York
$73M -$20M -138,431 -22%
Canada Pension Plan Investment Board
32
Canada Pension Plan Investment Board
Ontario, Canada
$72.4M -$8.92M -61,617 -11%
Bank of New York Mellon
33
Bank of New York Mellon
New York
$71M -$8.76M -60,489 -11%
Allianz Asset Management
34
Allianz Asset Management
Germany
$69.2M -$4.06M -28,018 -6%
BBHC
35
Brown Brothers Harriman & Co
New York
$68.7M -$1.53M -10,576 -2%
Goldman Sachs
36
Goldman Sachs
New York
$67M +$2.25M +15,557 +3%
Balyasny Asset Management
37
Balyasny Asset Management
Illinois
$66.5M +$59.6M +411,883 +876%
Bank of America
38
Bank of America
North Carolina
$66.2M +$1.61M +11,091 +2%
Ameriprise
39
Ameriprise
Minnesota
$65.1M -$16.4M -112,919 -20%
WHG
40
Westwood Holdings Group
Texas
$62.2M -$12.4M -85,831 -17%
AAM
41
ACK Asset Management
Connecticut
$56.5M
Corient Private Wealth
42
Corient Private Wealth
Florida
$53.6M +$17.3M +119,560 +37%
Franklin Resources
43
Franklin Resources
California
$53.2M +$11.8M +81,609 +29%
TD Asset Management
44
TD Asset Management
Ontario, Canada
$52.9M -$6.25M -43,176 -11%
RS
45
Robeco Schweiz
Switzerland
$52.8M -$6.23M -42,994 -11%
PI
46
PGGM Investments
Netherlands
$49.2M -$7.04M -48,617 -13%
Stifel Financial
47
Stifel Financial
Missouri
$45.8M -$576K -3,980 -1%
T. Rowe Price Investment Management
48
T. Rowe Price Investment Management
Maryland
$45.6M -$27.2M -187,835 -37%
BAMCO Inc
49
BAMCO Inc
New York
$42.7M
Aberdeen Group
50
Aberdeen Group
United Kingdom
$41.3M -$377K -2,607 -0.9%