Harmony Gold to Acquire MAC Copper Limited

Royal Gold Acquires Sandstorm Gold Ltd. and Horizon Copper Corp.

October 20, 2025

Energy

Royal Gold, Inc. completed the previously announced acquisitions of Sandstorm Gold Ltd. and Horizon Copper Corp., issuing approximately 18.6 million shares to Sandstorm shareholders and paying roughly $126 million in cash consideration for Horizon. The transactions increase Royal Gold's scale and diversification in precious metals streaming and royalties; Sandstorm and Horizon have requested delisting of their public shares following closing.

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.

Capstone Mining and Mantos Copper Combine to Create Capstone Copper

March 23, 2022

Energy

Capstone Mining Corp. and Mantos Copper (Bermuda) Limited completed a plan of arrangement to combine into a newly named public company, Capstone Copper Corp., headquartered in Vancouver, British Columbia. The share exchange left former Old Capstone shareholders with 60.2% of the combined company and former Mantos shareholders with 39.8%, creating an Americas-focused copper producer with expanded scale and production growth potential.

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.

Macquarie Asset Management Acquires 50% of Enel Green Power Hellas

December 29, 2023

Renewable Energy

Macquarie Asset Management, on behalf of co-investors and managed funds, has acquired a 50% stake in Enel Green Power Hellas from Enel Group for approximately €250 million. The deal covers a 566 MW portfolio of onshore wind, solar and hydropower projects in operation or under construction in Greece and establishes a joint venture to accelerate development, storage and hybrid solutions across the company's pipeline.

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.