IP
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Isthmus Partners’s Advanced Drainage Systems WMS Stock Holding History

Isthmus Partners’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 		$471K Buy
3,000
+602
+25% +$86K 0.05% 165
2026
Q1 		$329K Sell
2,398
-434
-15% -$67.2K 0.03% 180
2025
Q4 		$410K Buy
+2,832
New +$410K 0.05% 154
2025
Q3 		– Sell
-2,875
Closed -$330K – 225
2025
Q2 		$330K Hold
2,875
– – 0.04% 175
2025
Q1 		$312K Buy
2,875
+150
+6% +$17.5K 0.04% 179
2024
Q4 		$315K Buy
2,725
+153
+6% +$21.2K 0.04% 179
2024
Q3 		$404K Buy
2,572
+342
+15% +$53.4K 0.05% 147
2024
Q2 		$358K Buy
2,230
+95
+4% +$15.9K 0.04% 151
2024
Q1 		$368K Hold
2,135
– – 0.04% 154
2023
Q4 		$300K Buy
+2,135
New +$257K 0.04% 161

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

Isthmus Partners's WMS Position: Q2 2026 in Review

Isthmus Partners increased its Advanced Drainage Systems (WMS) stake by 25% in Q2 2026, buying an estimated $86K and bringing the position to 3,000 shares worth $471K. The position accounts for 0.05% of the portfolio, ranked #165.

Isthmus Partners first reported a position in WMS in Q4 2023 and has held it in 10 quarters since. 551 funds tracked by Wall St. Rank hold WMS as of Q2 2026.

  • Isthmus Partners held 3,000 shares of Advanced Drainage Systems worth $471K as of Q2 2026.
  • Isthmus Partners bought 602 Advanced Drainage Systems shares in Q2 2026, an estimated $86K.
  • Advanced Drainage Systems made up 0.05% of Isthmus Partners's portfolio in Q2 2026, its #165 holding.
  • Isthmus Partners first reported a position in Advanced Drainage Systems in Q4 2023 and has held it in 10 quarters since.
  • 551 funds tracked by Wall St. Rank held Advanced Drainage Systems as of Q2 2026.

Based on Isthmus Partners's 13F filing for Q2 2026, filed 20 Jul 2026.