State of Michigan Retirement System
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State of Michigan Retirement System’s Advanced Drainage Systems WMS Stock Holding History

State of Michigan 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
Q2 		$2.64M Sell
16,800
-400
-2% -$57.2K 0.01% 626
2026
Q1 		$2.36M Buy
17,200
+300
+2% +$46.4K 0.01% 621
2025
Q4 		$2.45M Sell
16,900
-100
-0.6% -$14.5K 0.01% 606
2025
Q3 		$2.36M Hold
17,000
– – 0.01% 623
2025
Q2 		$1.95M Buy
17,000
+100
+0.6% +$11.2K 0.01% 658
2025
Q1 		$1.84M Buy
16,900
+200
+1% +$23.3K 0.01% 665
2024
Q4 		$1.93M Hold
16,700
– – 0.01% 668
2024
Q3 		$2.62M Buy
16,700
+300
+2% +$46.8K 0.01% 573
2024
Q2 		$2.63M Sell
16,400
-400
-2% -$66.8K 0.01% 548
2024
Q1 		$2.89M Buy
16,800
+400
+2% +$60.2K 0.02% 535
2023
Q4 		$2.31M Sell
16,400
-200
-1% -$24.1K 0.01% 579
2023
Q3 		$1.89M Buy
16,600
+1,200
+8% +$147K 0.01% 603
2023
Q2 		$1.75M Sell
15,400
-12,731
-45% -$1.2M 0.01% 639
2023
Q1 		$2.37M Buy
+28,131
New +$2.47M 0.02% 554
2022
Q4 		– Sell
-5,474
Closed -$681K – 977
2022
Q3 		$681K Sell
5,474
-20,596
-79% -$2.56M 0.01% 869
2022
Q2 		$2.35M Buy
+26,070
New +$2.68M 0.02% 537

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 $3.38T AUM 44.17% 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

State of Michigan Retirement System's WMS Position: Q2 2026 in Review

State of Michigan Retirement System reduced its Advanced Drainage Systems (WMS) stake by 2.3% in Q2 2026, selling an estimated $57.2K and leaving 16,800 shares worth $2.64M. The position accounts for 0.01% of the portfolio, ranked #626.

State of Michigan Retirement System first reported a position in WMS in Q2 2022 and has held it in 16 quarters since. The position peaked at $2.89M in Q1 2024. 556 funds tracked by Wall St. Rank hold WMS as of Q2 2026.

  • State of Michigan Retirement System held 16,800 shares of Advanced Drainage Systems worth $2.64M as of Q2 2026.
  • State of Michigan Retirement System sold 400 Advanced Drainage Systems shares in Q2 2026, an estimated $57.2K.
  • Advanced Drainage Systems made up 0.01% of State of Michigan Retirement System's portfolio in Q2 2026, its #626 holding.
  • State of Michigan Retirement System first reported a position in Advanced Drainage Systems in Q2 2022 and has held it in 16 quarters since.
  • State of Michigan Retirement System's Advanced Drainage Systems position peaked at $2.89M in Q1 2024.
  • 556 funds tracked by Wall St. Rank held Advanced Drainage Systems as of Q2 2026.

Based on State of Michigan Retirement System's 13F filing for Q2 2026, filed 30 Jul 2026.