WMS — ADVANCED DRAINAGE SYSTEMS IN

Ownership history in ACK Asset Management LLC  ·  23 quarters on record

This page tracks every 13F SEC filing in which ACK Asset Management LLC reported a position in ADVANCED DRAINAGE SYSTEMS IN (WMS). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
10.31% (2015 Q1)
Avg. % of fund
7.07%
First filed
2014 Q3
Last filed
2025 Q4
Quarters held
23
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 UNCHANGED 390,000 — 0% 7.09% $56.5M $144.68
2025 Q3 ADDED 390,000 +45,000 +13.0% 6.77% $54.1M $138.39
2025 Q2 ADDED 345,000 +58,500 +20.4% 5.20% $39.6M $114.46
2020 Q1 REDUCED 286,500 -573,500 -66.7% 3.10% $6.2M $28.62
19 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    WMS price (monthly, adj. close)

Other funds also holding WMS

As of 2025 Q4 — sorted by position size

Impactive Capital LP 3Y 13.44% Owls Nest Partners IA, LLC 3Y 7.19% Triodos Investment Management BV 3Y 7Y 5.71% Alpine Peaks Capital, LP 3Y 4.26% PRENTISS SMITH & CO INC 3Y 7Y 3.72% MIG Capital, LLC 3Y 7Y 2.94% SG Capital Management LLC 3Y 7Y 2.74% EDENTREE ASSET MANAGEMENT Ltd 2.44% TradeLink Capital LLC 3Y 7Y 2.42% Impax Asset Management Group plc 3Y 7Y 1.87%
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