Calamos Advisors
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Calamos Advisors’s Advanced Drainage Systems WMS Stock Holding History

Calamos Advisors’s Portfolio WMS Stock Details WMS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-18,973
Closed -$2.6M – 1300
2026
Q1 		$2.6M Buy
+18,973
New +$2.94M 0.01% 635
2024
Q4 		– Sell
-4,684
Closed -$736K – 965
2024
Q3 		$736K Sell
4,684
-5,468
-54% -$854K ﹤0.01% 693
2024
Q2 		$1.63M Sell
10,152
-9,094
-47% -$1.52M 0.01% 607
2024
Q1 		$3.31M Buy
19,246
+11,879
+161% +$1.79M 0.02% 541
2023
Q4 		$1.04M Buy
+7,367
New +$888K 0.01% 664
2022
Q4 		– Sell
-30,854
Closed -$3.84M – 1328
2022
Q3 		$3.84M Sell
30,854
-16,362
-35% -$2.04M 0.02% 767
2022
Q2 		$4.25M Sell
47,216
-7,750
-14% -$797K 0.02% 764
2022
Q1 		$6.53M Sell
54,966
-11,615
-17% -$1.38M 0.02% 627
2021
Q4 		$9.06M Buy
66,581
+20,743
+45% +$2.55M 0.03% 529
2021
Q3 		$4.96M Sell
45,838
-28,923
-39% -$3.33M 0.02% 613
2021
Q2 		$8.71M Sell
74,761
-4,522
-6% -$502K 0.04% 440
2021
Q1 		$8.2M Buy
79,283
+1,879
+2% +$184K 0.04% 387
2020
Q4 		$6.47M Sell
77,404
-18,708
-19% -$1.33M 0.04% 432
2020
Q3 		$6M Sell
96,112
-17,918
-16% -$970K 0.04% 412
2020
Q2 		$5.63M Sell
114,030
-3,442
-3% -$141K 0.04% 420
2020
Q1 		$3.46M Buy
117,472
+28,088
+31% +$1.13M 0.03% 465
2019
Q4 		$3.47M Buy
+89,384
New +$3.31M 0.02% 565
2019
Q1 		– Sell
-12,870
Closed -$312K – 726
2018
Q4 		$312K Sell
12,870
-350
-3% -$9.41K ﹤0.01% 618
2018
Q3 		$408K Buy
+13,220
New +$401K ﹤0.01% 618

Other funds holding WMS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return
Impax Asset Management Group
Impax Asset Management Group London, United Kingdom $15.4B AUM 26.43% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Calamos Advisors's WMS Position: Q2 2026 in Review

Calamos Advisors sold out of Advanced Drainage Systems (WMS) in Q2 2026, closing a stake of 18,973 shares — an estimated $2.6M sold.

Calamos Advisors first reported a position in WMS in Q3 2018 and held it in 19 quarters. The position peaked at $9.06M in Q4 2021. 551 funds tracked by Wall St. Rank hold WMS as of Q2 2026.

  • Calamos Advisors reported no remaining Advanced Drainage Systems position as of Q2 2026 after selling out during the quarter.
  • Calamos Advisors sold 18,973 Advanced Drainage Systems shares in Q2 2026, an estimated $2.6M.
  • Calamos Advisors first reported a position in Advanced Drainage Systems in Q3 2018 and held it in 19 quarters.
  • Calamos Advisors's Advanced Drainage Systems position peaked at $9.06M in Q4 2021.
  • 551 funds tracked by Wall St. Rank held Advanced Drainage Systems as of Q2 2026.

Based on Calamos Advisors's 13F filing for Q2 2026, filed 31 Jul 2026.