Harmony Gold (Australia) Pty Ltd Acquires MAC Copper Limited

Royal Gold Completes Acquisitions of Sandstorm Gold and Horizon Copper to Expand Precious-Metals Streaming and Royalties Portfolio

October 20, 2025

Financial Services

Royal Gold, Inc. completed its previously announced acquisitions of Sandstorm Gold Ltd. and Horizon Copper Corp., expanding its diversified portfolio of precious metal stream and royalty interests. The Sandstorm deal was completed via share issuance to Sandstorm shareholders, and the Horizon acquisition was funded in part by drawings on Royal Gold’s revolving credit facility.

MacArthur Company Acquires American Metals Supply

May 22, 2023

Building Products

Minnesota-based MacArthur Company acquired Missouri-based wholesale HVAC and metal distributor American Metals Supply. The strategic acquisition expands MacArthur's product portfolio and geographic footprint, and American Metals Supply employees will join MacArthur's Employee Stock Ownership Plan; financial terms were not disclosed.

Argo Affiliate Acquires Macquarie Infrastructure Holdings (MIC)

July 21, 2022

Infrastructure

An affiliate of Argo Infrastructure Partners, LP completed a merger to acquire Macquarie Infrastructure Holdings, LLC (MIC) for $4.11 per unit, with the transaction closing on July 21, 2022 and resulting in MIC’s delisting from the NYSE. The deal was presented as a take-private transaction to unlock value for equity holders; Lazard and Evercore served as financial advisors and White & Case as legal counsel to MIC.

Hudbay Minerals to Acquire Arizona Sonoran Copper Co. in All-Stock Deal

March 2, 2026

Energy

Hudbay Minerals Inc. has signed a deal to acquire Arizona Sonoran Copper Co. Inc. in an all-stock transaction valued at about US$1.48 billion. Hudbay will pay 0.242 of a Hudbay share for each Arizona Sonoran share it does not already own, combining Arizona Sonoran’s Cactus project with Hudbay’s existing Arizona assets.

KPS Capital Partners Acquires Hussey Copper

December 23, 2020

Manufacturing

KPS Capital Partners, through a newly formed affiliate, has completed the acquisition of Libertas Copper, LLC (operating as Hussey Copper) from Zohar III, Ltd. and Ark II CLO 2001-1, Ltd., following Bankruptcy Court approval. KPS said it will leverage Hussey Copper’s manufacturing capabilities and brand to grow the business organically and via strategic acquisitions.

MasTec, Inc. Acquires Henkels & McCoy Group Inc.

December 20, 2021

Construction

MasTec, Inc. (NYSE: MTZ) agreed to acquire Henkels & McCoy Group Inc., a leading U.S. utility power transmission and distribution contractor, for total consideration of $600 million (approximately $420 million cash plus ~2 million shares of MasTec common stock). The acquisition, which adds roughly 5,100 employees and $1.5 billion of 2021 revenue, expands MasTec's footprint and capabilities in the electric utility services market to support grid modernization and renewable energy buildout.