Ice Mountain LLC has sold ZWS and made no open-market buys since Apr 2024

Ice Mountain LLC is a limited liability company and corporate insider that has been a significant shareholder of Zurn Elkay Water Solutions Corp (NYSE: ZWS), historically holding at least 10% of the company’s common stock.( Ice Mountain LLC acquired its stake in Zurn Elkay as a result of the 2022 combination of Zurn and Elkay, and its holdings represent the interests of members of the Katz family, the founding family of Elkay Manufacturing, which was established in 1920.( Based on SEC filings and ownership reports, Ice Mountain LLC has repeatedly been reported as a “10 percent owner” and major insider of Zurn Elkay, with tens of millions of shares and an estimated stake valued in the hundreds of millions of dollars.( Its mailing address on SEC records is in Chicago, Illinois.(

In its role as a corporate insider and selling stockholder, Ice Mountain LLC has actively managed its Zurn Elkay position through multiple registered transactions and follow‑on offerings, including a notable public offering of 8,912,500 shares in 2025 in which it alone received the net proceeds from the sale.( SEC disclosures indicate that Cascade Bay LLC serves as the manager and sole Class A member of Ice Mountain LLC, and that Katz 2004 DYN Trust acts as Special Assets Manager of Cascade Bay, meaning these related entities may be deemed to beneficially own the shares directly held by Ice Mountain.( Through this structure, Ice Mountain LLC functions as an investment and holding vehicle for Katz family interests in Zurn Elkay, aligning its activities with long‑term ownership, capital markets transactions, and governance considerations at one of the leading U.S. sustainable water solutions companies.(

Written by Perplexity from public sources.