Institutional shares held 74.5 Million
207K calls
89.3K puts
Total value of holdings $10.7B
$29.9M calls
$12.9M puts
Market Cap $12.1B
83,571,200 Shares Out.
Institutional ownership 89.12%
# of Institutions 542


Latest Institutional Activity in WMS

Top Purchases

Q3 2025
Wellington Management Group LLP Shares Held: 1.19M ($171M)
Q3 2025
Citadel Advisors LLC Shares Held: 621K ($89.6M)
Q3 2025
Interval Partners, LP Shares Held: 969K ($140M)
Q3 2025
Sg Capital Management LLC Shares Held: 329K ($47.4M)
Q3 2025
Morgan Stanley Shares Held: 2M ($289M)

Top Sells

Q3 2025
Impax Asset Management Group PLC Shares Held: 2.5M ($361M)
Q3 2025
Pictet Asset Management Holding Sa Shares Held: 2.07M ($299M)
Q3 2025
Amundi Shares Held: 707K ($102M)
Q3 2025
Ubs Asset Management Americas Inc Shares Held: 2.81M ($406M)
Q3 2025
Squarepoint Ops LLC Shares Held: 45.3K ($6.54M)

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
250K Shares
From 23 Insiders
Grant, award, or other acquisition 98.9K shares
Bona fide gift 69.3K shares
Exercise of conversion of derivative security 81.5K shares
Sell / Disposition
209K Shares
From 16 Insiders
Bona fide gift 72.3K shares
Open market or private sale 106K shares
Payment of exercise price or tax liability 30.4K shares

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