Corbyn Investment Management’s Advanced Drainage Systems WMS Stock Holding History

Corbyn Investment 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	$2.4M	Hold	15,263	–	–	0.69%	46
2026 Q1	$2.09M	Sell	15,263 -157	-1%	-$24.3K	0.7%	42
2025 Q4	$2.23M	Sell	15,420 -80	-0.5%	-$11.6K	0.65%	44
2025 Q3	$2.15M	Sell	15,500 -689	-4%	-$90.5K	0.63%	43
2025 Q2	$1.86M	Buy	16,189 +377	+2%	+$42.2K	0.62%	40
2025 Q1	$1.72M	Buy	15,812 +1,681	+12%	+$196K	0.64%	40
2024 Q4	$1.63M	Buy	14,131 +6,815	+93%	+$946K	0.59%	43
2024 Q3	$1.15M	Hold	7,316	–	–	0.44%	46
2024 Q2	$1.17M	Hold	7,316	–	–	0.48%	44
2024 Q1	$1.26M	Hold	7,316	–	–	0.56%	41
2023 Q4	$1.03M	Hold	7,316	–	–	0.48%	43
2023 Q3	$833K	Hold	7,316	–	–	0.43%	44
2023 Q2	$832K	Sell	7,316 -940	-11%	-$88.7K	0.4%	45
2023 Q1	$695K	Buy	8,256 +4,746	+135%	+$417K	0.28%	48
2022 Q4	$288K	Buy	+3,510	New	+$356K	0.11%	56

Other funds holding WMS

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return

Impax Asset Management Group London, United Kingdom $15.4B AUM 26.43% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Corbyn Investment Management's WMS Position: Q2 2026 in Review

Corbyn Investment Management held its Advanced Drainage Systems (WMS) position steady in Q2 2026 at 15,263 shares worth $2.4M. The position accounts for 0.69% of the portfolio, ranked #46.

Corbyn Investment Management first reported a position in WMS in Q4 2022 and has held it in 15 quarters since. 551 funds tracked by Wall St. Rank hold WMS as of Q2 2026.

Corbyn Investment Management held 15,263 shares of Advanced Drainage Systems worth $2.4M as of Q2 2026.
Corbyn Investment Management left its Advanced Drainage Systems share count unchanged in Q2 2026.
Advanced Drainage Systems made up 0.69% of Corbyn Investment Management's portfolio in Q2 2026, its #46 holding.
Corbyn Investment Management first reported a position in Advanced Drainage Systems in Q4 2022 and has held it in 15 quarters since.
551 funds tracked by Wall St. Rank held Advanced Drainage Systems as of Q2 2026.

Based on Corbyn Investment Management's 13F filing for Q2 2026, filed 6 Aug 2026.