WMS icon

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
326
$256K
327
$253K
328
$252K
329
$248K
330
$247K
331
$245K
332
$244K
333
$243K
334
$237K
335
$234K
336
$233K
337
$231K
338
$229K
339
$228K
340
$228K
341
$223K
342
$223K
343
$219K
344
$219K
345
$218K
346
$217K
347
$217K
348
$216K
349
$212K
350
$206K