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Advanced Drainage Systems

455 hedge funds and large institutions have $7.5B invested in Advanced Drainage Systems in 2025 Q1 according to their latest regulatory filings, with 56 funds opening new positions, 196 increasing their positions, 147 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more call options, than puts

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

more ownership

Funds ownership:

less funds holding

Funds holding:

2% less first-time investments, than exits

New positions opened: 56 | Existing positions closed: 57

3% less capital invested

Capital invested by funds: $7.77B → $7.5B (-$264M)

25% less funds holding in top 10

Funds holding in top 10: 43 (-1)

Holders
455
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$34.8M
Puts
$28.1M
Net Calls
Net Calls Change

Top Buyers

1 +$114M
2 +$40.6M
3 +$35.6M
4
Amundi
Amundi
France
+$35.2M
5
BAMCO Inc
BAMCO Inc
New York
+$33.4M

Top Sellers

1 -$53.9M
2 -$23.7M
3 -$20.1M
4
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
-$19.2M
5
Citadel Advisors
Citadel Advisors
Florida
-$18.2M
Name Holding Trade Value Shares
Change
Change in
Stake
201
$1.59M
202
$1.59M
203
$1.58M
204
$1.57M
205
$1.56M
206
$1.53M
207
$1.53M
208
$1.53M
209
$1.53M
210
$1.52M
211
$1.51M
212
$1.47M
213
$1.46M
214
$1.43M
215
$1.41M
216
$1.39M
217
$1.37M
218
$1.36M
219
$1.3M
220
$1.3M
221
$1.3M
222
$1.27M
223
$1.25M
224
$1.19M
225
$1.17M