Interval Partners’s Advanced Drainage Systems WMS Stock Holding History

Interval 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	$71M	Buy	452,250 +63,375	+16%	+$9.06M	1.83%	4
2026 Q1	$53.3M	Buy	388,875 +168,309	+76%	+$26M	1.4%	14
2025 Q4	$31.9M	Sell	220,566 -747,968	-77%	-$108M	0.57%	45
2025 Q3	$134M	Buy	968,534 +479,413	+98%	+$63M	2.19%	6
2025 Q2	$56.2M	Buy	+489,121	New	+$54.8M	0.95%	22
2017 Q3	–	Sell	-390,993	Closed	-$7.86M	–	242
2017 Q2	$7.86M	Buy	390,993 +80,622	+26%	+$1.73M	0.34%	92
2017 Q1	$6.8M	Buy	+310,371	New	+$7.04M	0.33%	97

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

Interval Partners's WMS Position: Q2 2026 in Review

Interval Partners increased its Advanced Drainage Systems (WMS) stake by 16% in Q2 2026, buying an estimated $9.06M and bringing the position to 452,250 shares worth $71M. The position accounts for 1.83% of the portfolio, ranked #4.

Interval Partners first reported a position in WMS in Q1 2017 and has held it in 7 quarters since. The position peaked at $134M in Q3 2025. 551 funds tracked by Wall St. Rank hold WMS as of Q2 2026.

Interval Partners held 452,250 shares of Advanced Drainage Systems worth $71M as of Q2 2026.
Interval Partners bought 63,375 Advanced Drainage Systems shares in Q2 2026, an estimated $9.06M.
Advanced Drainage Systems made up 1.83% of Interval Partners's portfolio in Q2 2026, its #4 holding.
Interval Partners first reported a position in Advanced Drainage Systems in Q1 2017 and has held it in 7 quarters since.
Interval Partners's Advanced Drainage Systems position peaked at $134M in Q3 2025.
551 funds tracked by Wall St. Rank held Advanced Drainage Systems as of Q2 2026.

Based on Interval Partners's 13F filing for Q2 2026, filed 14 Aug 2026.