Impax Asset Management Group’s Advanced Drainage Systems WMS Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $290M | Sell |
1,845,942
-81,568
| -4% | -$11.7M | 1.89% | 11 |
|
|
2026
Q1 | $264M | Sell |
1,927,510
-139,213
| -7% | -$21.5M | 1.84% | 13 |
|
|
2025
Q4 | $299M | Sell |
2,066,723
-433,353
| -17% | -$62.7M | 1.87% | 13 |
|
|
2025
Q3 | $346M | Sell |
2,500,076
-543,833
| -18% | -$71.4M | 2.02% | 11 |
|
|
2025
Q2 | $349M | Buy |
3,043,909
+139,495
| +5% | +$15.6M | 2% | 9 |
|
|
2025
Q1 | $315M | Buy |
2,904,414
+374,414
| +15% | +$43.6M | 1.9% | 12 |
|
|
2024
Q4 | $292M | Buy |
2,530,000
+650,052
| +35% | +$90.2M | 1.32% | 23 |
|
|
2024
Q3 | $295M | Sell |
1,879,948
-196,328
| -9% | -$30.7M | 1.16% | 28 |
|
|
2024
Q2 | $332M | Sell |
2,076,276
-302,206
| -13% | -$50.5M | 1.35% | 21 |
|
|
2024
Q1 | $409M | Sell |
2,378,482
-328,224
| -12% | -$49.4M | 1.56% | 13 |
|
|
2023
Q4 | $380M | Sell |
2,706,706
-309,029
| -10% | -$37.3M | 1.52% | 14 |
|
|
2023
Q3 | $343M | Sell |
3,015,735
-471,872
| -14% | -$57.6M | 1.53% | 14 |
|
|
2023
Q2 | $396M | Sell |
3,487,607
-54,613
| -2% | -$5.15M | 1.59% | 15 |
|
|
2023
Q1 | $298M | Buy |
3,542,220
+740,194
| +26% | +$65.1M | 1.24% | 25 |
|
|
2022
Q4 | $229M | Buy |
2,802,026
+300,189
| +12% | +$30.4M | 1.03% | 33 |
|
|
2022
Q3 | $310M | Sell |
2,501,837
-282,619
| -10% | -$35.2M | 1.59% | 13 |
|
|
2022
Q2 | $250M | Sell |
2,784,456
-12,158
| -0.4% | -$1.25M | 1.22% | 23 |
|
|
2022
Q1 | $331M | Buy |
2,796,614
+15,778
| +0.6% | +$1.87M | 1.37% | 20 |
|
|
2021
Q4 | $378M | Sell |
2,780,836
-195,901
| -7% | -$24.1M | 1.38% | 19 |
|
|
2021
Q3 | $321M | Buy |
2,976,737
+273,343
| +10% | +$31.5M | 1.32% | 20 |
|
|
2021
Q2 | $314M | Buy |
2,703,394
+56,701
| +2% | +$6.3M | 1.39% | 18 |
|
|
2021
Q1 | $273M | Sell |
2,646,693
-236,955
| -8% | -$23.2M | 1.4% | 18 |
|
|
2020
Q4 | $240M | Sell |
2,883,648
-88,632
| -3% | -$6.28M | 1.53% | 16 |
|
|
2020
Q3 | $185M | Sell |
2,972,280
-165,476
| -5% | -$8.96M | 1.62% | 14 |
|
|
2020
Q2 | $155M | Buy |
3,137,756
+148,441
| +5% | +$6.1M | 1.59% | 14 |
|
|
2020
Q1 | $87.7M | Sell |
2,989,315
-3,811
| -0.1% | -$154K | 1.17% | 29 |
|
|
2019
Q4 | $116M | Buy |
2,993,126
+36,567
| +1% | +$1.35M | 1.29% | 28 |
|
|
2019
Q3 | $95M | Sell |
2,956,559
-634,016
| -18% | -$20.6M | 1.24% | 29 |
|
|
2019
Q2 | $118M | Sell |
3,590,575
-92,742
| -3% | -$2.67M | 1.53% | 20 |
|
|
2019
Q1 | $94.9M | Buy |
3,683,317
+219,027
| +6% | +$5.54M | 1.31% | 26 |
|
|
2018
Q4 | $84M | Buy |
3,464,290
+14,832
| +0.4% | +$399K | 1.37% | 22 |
|
|
2018
Q3 | $106M | Buy |
+3,449,458
| New | +$105M | 1.52% | 16 |
|
Other funds holding WMS
Impax Asset Management Group's WMS Position: Q2 2026 in Review
Impax Asset Management Group reduced its Advanced Drainage Systems (WMS) stake by 4.2% in Q2 2026, selling an estimated $11.7M and leaving 1,845,942 shares worth $290M. The position accounts for 1.89% of the portfolio, ranked #11.
Impax Asset Management Group first reported a position in WMS in Q3 2018 and has held it in 32 quarters since. The position peaked at $409M in Q1 2024. 552 funds tracked by Wall St. Rank hold WMS as of Q2 2026.
- Impax Asset Management Group held 1,845,942 shares of Advanced Drainage Systems worth $290M as of Q2 2026.
- Impax Asset Management Group sold 81,568 Advanced Drainage Systems shares in Q2 2026, an estimated $11.7M.
- Advanced Drainage Systems made up 1.89% of Impax Asset Management Group's portfolio in Q2 2026, its #11 holding.
- Impax Asset Management Group first reported a position in Advanced Drainage Systems in Q3 2018 and has held it in 32 quarters since.
- Impax Asset Management Group's Advanced Drainage Systems position peaked at $409M in Q1 2024.
- 552 funds tracked by Wall St. Rank held Advanced Drainage Systems as of Q2 2026.
Based on Impax Asset Management Group's 13F filing for Q2 2026, filed 11 Aug 2026.