Institutional shares held 74.2 Million
136K calls
53.1K puts
Total value of holdings $10.3B
$19M calls
$7.39M puts
Market Cap $11.7B
83,571,200 Shares Out.
Institutional ownership 88.77%
# of Institutions 528


Latest Institutional Activity in WMS

Top Purchases

Q3 2025
Robeco Schweiz Ag Shares Held: 407K ($57M)
Q3 2025
Y Intercept (Hong Kong) LTD Shares Held: 30.9K ($4.33M)
Q3 2025
Universal Beteiligungs Und Servicegesellschaft Mb H Shares Held: 32.1K ($4.5M)
Q3 2025
Pacer Advisors, Inc. Shares Held: 9.52K ($1.33M)
Q3 2025
Lecap Asset Management LTD Shares Held: 9.23K ($1.29M)

Top Sells

Q3 2025
Swedbank Ab Shares Held: 361K ($50.6M)
Q3 2025
Baillie Gifford & CO Shares Held: 2.4M ($335M)
Q3 2025
Kornitzer Capital Management Inc Shares Held: 94.5K ($13.2M)
Q3 2025
Aegon Asset Management Uk PLC Shares Held: 203K ($28.4M)
Q3 2025
Mirova Us LLC Shares Held: 681K ($95.4M)

About WMS

Advanced Drainage Systems, Inc. designs, manufactures, and markets thermoplastic corrugated pipes and related water management products, and drainage solutions for use in the underground construction and infrastructure marketplace in the United States, Canada, Mexico, and internationally. The company operates through Pipe, International, Infiltrator, and Allied Products & Other segments. It offers single, double, and triple wall corrugated polypropylene and polyethylene pipes; plastic leachfield chambers and systems, EZflow synthetic aggregate bundles, mechanical aeration wastewater solutions, septic tanks and accessories, and combined treatment and dispersal systems; and allied products, including storm retention/detention and septic chambers, polyvinyl chloride drainage structures, fittings, and water quality filters and separators. The company also purchases and distributes construction fabrics and other geosynthetic products for soil stabilization, reinforcement, filtration, separation, erosion control, and sub-surface drainage, as well as drainage grates and other products. It offers its products for non-residential, residential, agriculture, and infrastructure applications through a network of approximately 38 distribution centers. The company was incorporated in 1966 and is headquartered in Hilliard, Ohio.


Insider Transactions at WMS

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
105K Shares
From 21 Insiders
Grant, award, or other acquisition 98.9K shares
Bona fide gift 4.2K shares
Exercise of conversion of derivative security 1.49K shares
Sell / Disposition
41.7K Shares
From 11 Insiders
Bona fide gift 4.37K shares
Payment of exercise price or tax liability 30.4K shares
Open market or private sale 6.93K shares

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