OP Asset Management’s Advanced Drainage Systems WMS Stock Holding History

OP Asset Management’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	$14.8M	Sell	94,168 -39,821	-30%	-$5.69M	0.16%	103
2026 Q1	$18.4M	Buy	133,989 +111,052	+484%	+$17.2M	0.18%	79
2025 Q4	$3.32M	Sell	22,937 -42,743	-65%	-$6.19M	0.04%	318
2025 Q3	$9.11M	Buy	65,680 +49,356	+302%	+$6.48M	0.12%	138
2025 Q2	$1.87M	Buy	16,324 +1,364	+9%	+$153K	0.03%	461
2025 Q1	$1.63M	Buy	+14,960	New	+$1.74M	0.03%	486

Other funds holding WMS

Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return

Robeco Schweiz Zurich, Switzerland $6.23B AUM 86.54% 1-Year Est. Return

BDF Gestion Paris, France $747M AUM 47.35% 1-Year Est. Return

Rathbones Group Liverpool, United Kingdom $27.1B AUM 20.2% 1-Year Est. Return

ETC

Exchange Traded Concepts Oklahoma City, Oklahoma $21.9B AUM 68.6% 1-Year Est. Return

Perpetual Ltd Sydney, New South Wales, Australia $7B AUM 19.75% 1-Year Est. Return

AIM

Achmea Investment Management Zeist, Netherlands $4B AUM 31.99% 1-Year Est. Return

Retirement Systems of Alabama Montgomery, Alabama $33.2B AUM 38.15% 1-Year Est. Return

SOADOR

State of Alaska Department of Revenue Juneau, Alaska $10.1B AUM 42.83% 1-Year Est. Return

New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return

OP Asset Management's WMS Position: Q2 2026 in Review

OP Asset Management reduced its Advanced Drainage Systems (WMS) stake by 30% in Q2 2026, selling an estimated $5.69M and leaving 94,168 shares worth $14.8M. The position accounts for 0.16% of the portfolio, ranked #103.

OP Asset Management first reported a position in WMS in Q1 2025 and has held it in 6 quarters since. The position peaked at $18.4M in Q1 2026. 134 funds tracked by Wall St. Rank hold WMS as of Q2 2026.

OP Asset Management held 94,168 shares of Advanced Drainage Systems worth $14.8M as of Q2 2026.
OP Asset Management sold 39,821 Advanced Drainage Systems shares in Q2 2026, an estimated $5.69M.
Advanced Drainage Systems made up 0.16% of OP Asset Management's portfolio in Q2 2026, its #103 holding.
OP Asset Management first reported a position in Advanced Drainage Systems in Q1 2025 and has held it in 6 quarters since.
OP Asset Management's Advanced Drainage Systems position peaked at $18.4M in Q1 2026.
134 funds tracked by Wall St. Rank held Advanced Drainage Systems as of Q2 2026.

Based on OP Asset Management's 13F filing for Q2 2026, filed 28 Jul 2026.