ADVANCED DRAINAGE SYSTEMS, INC. (WMS) Stock
4 members of Congress disclosed 6 trades in WMS since 2015: 2 purchases and 4 sales, most recently Lisa McClain (sale, Jul 16, 2025). 4 of the hedge funds AlphaScala tracks reported WMS in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Marshall Wace's at $49.37M.
Which members of Congress traded ADVANCED DRAINAGE SYSTEMS, INC. (WMS)?
Most recent: Lisa McClain (sale, Jul 16, 2025); records start Mar 6, 2015.
| Politician | Trade date | Type | Amount |
|---|---|---|---|
| Lisa McClain R-MI · House | 2025-07-16 | sale | $1k – $15k |
| Lisa McClain R-MI · House | 2025-06-17 | purchase | $1k – $15k |
| Rob Bresnahan R-PA · House | 2025-01-13 | sale | $1k – $15k |
| Tommy Tuberville R-AL · Senate | 2024-05-07 | sale | $1k – $15k |
| Suzan DelBene D-WA · House | 2016-02-02 | sale | $15k – $50k |
| Suzan DelBene D-WA · House | 2015-03-06 | purchase | $15k – $50k |
From STOCK Act periodic transaction reports. House filings as of Nov 5, 2026. Senate records here end Oct 21, 2026; later Senate trades are not included.
See all WMS political trades →Which hedge funds own WMS?
From 13F filings| Fund | Shares Held | Position Value | Change vs prior Q |
|---|---|---|---|
| Marshall Wace | 315K | $49.37M | +4434% |
| Millennium Management Israel Englander | 133K | $20.91M | -41% |
| Citadel Ken Griffin | 120K | $18.91M | +36% |
| Bridgewater Associates Ray Dalio | 26K | $4.09M | -64% |
13F holdings as of Jun 30, 2026
Explore all tracked funds →WMS price chart
Powered by TradingViewWhat does ADVANCED DRAINAGE SYSTEMS, INC. do?
Advanced Drainage Systems, Inc. is a leading manufacturer and provider of innovative water management solutions in North America. The primary function of this asset is to produce and supply high-performance drainage products and services that tackle water flow and environmental challenges in both residential and commercial sectors. Notable features of its product line include an array of thermoplastic pipe products, chambers, fittings, and water treatment solutions, which are essential in agricultural, residential, commercial, and infrastructure markets. With a focus on sustainability, the company integrates recycled materials in its manufacturing processes to promote eco-friendly solutions. Advanced Drainage Systems, Inc. plays a significant role in the construction and environmental services sectors, supporting water conservation and stormwater management initiatives. Its broad distribution network and commitment to technological advancement make it a key player in addressing water management needs across diverse landscapes.