California Public Employees Retirement System
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California Public Employees Retirement System’s Advanced Drainage Systems WMS Stock Holding History

California Public Employees Retirement System’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
Q1 		$19.2M Buy
139,885
+14,933
+12% +$2.31M 0.01% 636
2025
Q4 		$18.1M Buy
124,952
+688
+0.6% +$99.6K 0.01% 660
2025
Q3 		$17.2M Buy
124,264
+22,752
+22% +$2.99M 0.01% 685
2025
Q2 		$11.7M Buy
101,512
+2,206
+2% +$247K 0.01% 810
2025
Q1 		$10.8M Buy
99,306
+112
+0.1% +$13.1K 0.01% 810
2024
Q4 		$11.5M Sell
99,194
-26,336
-21% -$3.66M 0.01% 814
2024
Q3 		$19.7M Sell
125,530
-3,862
-3% -$603K 0.01% 643
2024
Q2 		$20.8M Buy
129,392
+3,130
+2% +$523K 0.02% 598
2024
Q1 		$21.7M Sell
126,262
-1,066
-0.8% -$161K 0.02% 597
2023
Q4 		$17.9M Buy
127,328
+4,859
+4% +$586K 0.01% 652
2023
Q3 		$13.9M Buy
122,469
+6,937
+6% +$847K 0.01% 716
2023
Q2 		$13.1M Sell
115,532
-6,500
-5% -$613K 0.01% 743
2023
Q1 		$10.3M Sell
122,032
-24,121
-17% -$2.12M 0.01% 849
2022
Q4 		$12M Sell
146,153
-1,151
-0.8% -$117K 0.01% 826
2022
Q3 		$18.3M Buy
147,304
+27,596
+23% +$3.43M 0.02% 621
2022
Q2 		$10.8M Sell
119,708
-6,458
-5% -$664K 0.01% 777
2022
Q1 		$15M Sell
126,166
-3,696
-3% -$439K 0.01% 727
2021
Q4 		$17.7M Sell
129,862
-396
-0.3% -$48.7K 0.01% 717
2021
Q3 		$14.1M Buy
130,258
+2,694
+2% +$310K 0.01% 821
2021
Q2 		$14.9M Sell
127,564
-2,528
-2% -$281K 0.01% 819
2021
Q1 		$13.4M Sell
130,092
-9,520
-7% -$930K 0.01% 881
2020
Q4 		$11.7M Buy
139,612
+11,793
+9% +$836K 0.01% 929
2020
Q3 		$7.98M Buy
127,819
+17,296
+16% +$936K 0.01% 966
2020
Q2 		$5.46M Buy
110,523
+9,428
+9% +$387K 0.01% 1149
2020
Q1 		$2.98M Sell
101,095
-34,549
-25% -$1.39M ﹤0.01% 1353
2019
Q4 		$5.27M Sell
135,644
-15,756
-10% -$583K ﹤0.01% 1423
2019
Q3 		$4.89M Buy
151,400
+20,854
+16% +$677K ﹤0.01% 1321
2019
Q2 		$4.28M Sell
130,546
-12,912
-9% -$372K 0.01% 1222
2019
Q1 		$3.7M Sell
143,458
-3,189
-2% -$80.7K ﹤0.01% 1364
2018
Q4 		$3.56M Sell
146,647
-14,852
-9% -$399K 0.01% 1329
2018
Q3 		$4.99M Sell
161,499
-11,702
-7% -$355K 0.01% 1320
2018
Q2 		$4.95M Sell
173,201
-15,699
-8% -$420K 0.01% 1321
2018
Q1 		$4.89M Hold
188,900
– – 0.01% 1324
2017
Q4 		$4.5M Hold
188,900
– – 0.01% 1441
2017
Q3 		$3.83M Hold
188,900
– – 0.01% 1491
2017
Q2 		$3.8M Buy
188,900
+4,100
+2% +$88.1K 0.01% 1445
2017
Q1 		$4.05M Sell
184,800
-8,000
-4% -$182K 0.01% 1433
2016
Q4 		$3.97M Sell
192,800
-9,900
-5% -$208K 0.01% 1439
2016
Q3 		$4.88M Sell
202,700
-13,900
-6% -$354K 0.01% 1311
2016
Q2 		$5.93M Sell
216,600
-6,800
-3% -$165K 0.01% 1162
2016
Q1 		$4.76M Sell
223,400
-30,200
-12% -$620K 0.01% 1319
2015
Q4 		$6.09M Buy
253,600
+16,700
+7% +$472K 0.01% 1136
2015
Q3 		$6.85M Sell
236,900
-8,100
-3% -$235K 0.01% 1051
2015
Q2 		$7.19M Hold
245,000
– – 0.01% 1120
2015
Q1 		$6.11M Hold
245,000
– – 0.01% 1274
2014
Q4 		$6.11M Hold
245,000
– – 0.01% 1274
2014
Q3 		$5.13M Buy
+245,000
New +$4.4M 0.01% 1359

Other funds holding WMS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $94.8B AUM 24.11% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
Impax Asset Management Group
Impax Asset Management Group London, United Kingdom $14.3B AUM 19.8% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

California Public Employees Retirement System's WMS Position: Q1 2026 in Review

California Public Employees Retirement System increased its Advanced Drainage Systems (WMS) stake by 12% in Q1 2026, buying an estimated $2.31M and bringing the position to 139,885 shares worth $19.2M. The position accounts for 0.01% of the portfolio, ranked #636.

California Public Employees Retirement System first reported a position in WMS in Q3 2014 and has held it in 47 quarters since. The position peaked at $21.7M in Q1 2024. 576 funds tracked by Wall St. Rank hold WMS as of Q1 2026.

  • California Public Employees Retirement System held 139,885 shares of Advanced Drainage Systems worth $19.2M as of Q1 2026.
  • California Public Employees Retirement System bought 14,933 Advanced Drainage Systems shares in Q1 2026, an estimated $2.31M.
  • Advanced Drainage Systems made up 0.01% of California Public Employees Retirement System's portfolio in Q1 2026, its #636 holding.
  • California Public Employees Retirement System first reported a position in Advanced Drainage Systems in Q3 2014 and has held it in 47 quarters since.
  • California Public Employees Retirement System's Advanced Drainage Systems position peaked at $21.7M in Q1 2024.
  • 576 funds tracked by Wall St. Rank held Advanced Drainage Systems as of Q1 2026.

Based on California Public Employees Retirement System's 13F filing for Q1 2026, filed 6 May 2026.