Advanced Drainage Systems
WMS
460 hedge funds and large institutions have $7.59B invested in Advanced Drainage Systems in 2025 Q1 according to their latest regulatory filings, with 56 funds opening new positions, 199 increasing their positions, 148 reducing their positions, and 56 closing their positions.
34% more repeat investments, than reductions
Existing positions increased: 199 | Existing positions reduced: 148
24% more call options, than puts
Call options by funds: $34.8M | Put options by funds: $28.1M
3.21% more ownership
Funds ownership: 86.87% → 90.08% (+3.2%)
0% more first-time investments, than exits
New positions opened: 56 | Existing positions closed: 56
1% less funds holding
Funds holding: 463 → 460 (-3)
3% less capital invested
Capital invested by funds: $7.79B → $7.59B (-$197M)
25% less funds holding in top 10
Funds holding in top 10: 4 → 3 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS AM
Chicago,
Illinois
|
+$122M |
| 2 |
Impax Asset Management Group
London,
United Kingdom
|
+$43.6M |
| 3 |
First Trust Advisors
Wheaton,
Illinois
|
+$38.2M |
| 4 |
Amundi
Paris,
France
|
+$38.1M |
| 5 |
BAMCO Inc
New York
|
+$35.9M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Swedbank
Stockholm,
Sweden
|
-$57.8M |
| 2 |
CAM
Close Asset Management
London,
United Kingdom
|
-$43.7M |
| 3 |
Voloridge Investment Management
Jupiter,
Florida
|
-$25.4M |
| 4 |
Alyeska Investment Group
Chicago,
Illinois
|
-$21.6M |
| 5 |
Baillie Gifford & Co
Edinburgh,
United Kingdom
|
-$20.6M |
WMS Hedge Fund Activity: Q1 2025 in Review
460 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Advanced Drainage Systems (WMS) for Q1 2025, worth a combined $7.59B — down 2.5% from $7.79B a quarter earlier.
Fund positioning in WMS was balanced in Q1 2025: 56 funds opened new positions, 56 closed out, 199 added to existing stakes and 148 trimmed.
The largest buyer was UBS AM, adding an estimated $122M. The largest seller was Swedbank, cutting an estimated $57.8M.
- 460 institutional investors held Advanced Drainage Systems (WMS) as of Q1 2025, down from 463 in Q4 2024.
- Funds reported $7.59B of Advanced Drainage Systems stock for Q1 2025, down 2.5% quarter-over-quarter.
- 56 funds opened new Advanced Drainage Systems positions in Q1 2025 and 56 closed out, a net change of 0 holders.
- The largest Advanced Drainage Systems buyer in Q1 2025 was UBS AM, an estimated $122M added.
- The largest Advanced Drainage Systems seller in Q1 2025 was Swedbank, an estimated $57.8M sold.
Based on aggregated 13F filings for Q1 2025.