Baillie Gifford & Co
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Baillie Gifford & Co’s Advanced Drainage Systems WMS Stock Holding History

Baillie Gifford & Co’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 		$281M Sell
2,047,349
-196,665
-9% -$30.4M 0.29% 69
2025
Q4 		$325M Sell
2,244,014
-151,057
-6% -$21.9M 0.27% 70
2025
Q3 		$332M Sell
2,395,071
-77,439
-3% -$10.2M 0.25% 75
2025
Q2 		$284M Sell
2,472,510
-19,809
-0.8% -$2.22M 0.21% 79
2025
Q1 		$271M Sell
2,492,319
-176,806
-7% -$20.6M 0.24% 73
2024
Q4 		$309M Sell
2,669,125
-369,768
-12% -$51.3M 0.24% 72
2024
Q3 		$478M Sell
3,038,893
-86,049
-3% -$13.4M 0.36% 58
2024
Q2 		$501M Sell
3,124,942
-54,272
-2% -$9.07M 0.39% 53
2024
Q1 		$548M Sell
3,179,214
-201,282
-6% -$30.3M 0.43% 50
2023
Q4 		$475M Sell
3,380,496
-139,385
-4% -$16.8M 0.38% 59
2023
Q3 		$401M Sell
3,519,881
-90,821
-3% -$11.1M 0.37% 62
2023
Q2 		$411M Buy
3,610,702
+1,044,426
+41% +$98.6M 0.35% 68
2023
Q1 		$216M Buy
2,566,276
+2,448,435
+2,078% +$215M 0.2% 94
2022
Q4 		$9.66M Buy
+117,841
New +$11.9M 0.01% 225

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
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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Baillie Gifford & Co's WMS Position: Q1 2026 in Review

Baillie Gifford & Co reduced its Advanced Drainage Systems (WMS) stake by 8.8% in Q1 2026, selling an estimated $30.4M and leaving 2,047,349 shares worth $281M. The position accounts for 0.29% of the portfolio, ranked #69.

Baillie Gifford & Co first reported a position in WMS in Q4 2022 and has held it in 14 quarters since. The position peaked at $548M in Q1 2024. 576 funds tracked by Wall St. Rank hold WMS as of Q1 2026.

  • Baillie Gifford & Co held 2,047,349 shares of Advanced Drainage Systems worth $281M as of Q1 2026.
  • Baillie Gifford & Co sold 196,665 Advanced Drainage Systems shares in Q1 2026, an estimated $30.4M.
  • Advanced Drainage Systems made up 0.29% of Baillie Gifford & Co's portfolio in Q1 2026, its #69 holding.
  • Baillie Gifford & Co first reported a position in Advanced Drainage Systems in Q4 2022 and has held it in 14 quarters since.
  • Baillie Gifford & Co's Advanced Drainage Systems position peaked at $548M in Q1 2024.
  • 576 funds tracked by Wall St. Rank held Advanced Drainage Systems as of Q1 2026.

Based on Baillie Gifford & Co's 13F filing for Q1 2026, filed 8 May 2026.