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Advanced Drainage Systems

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

New
Increased
Maintained
Reduced
Closed
Holders
456
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
276
$515K
277
$508K
278
$503K
279
$496K
280
$493K
281
$489K
282
$480K
283
$456K
284
$440K
285
$436K
286
$433K
287
$428K
288
$423K
289
$418K
290
$417K
291
$410K
292
$401K
293
$395K
294
$391K
295
$389K
296
$375K
297
$369K
298
$363K
299
$359K
300
$357K