[3] The Flin Flon orebody was discovered by David Collins, a local trapper, and shown to prospector Tom Creighton in 1914.

[12] In 2008, shortly after the Lalor deposit recovery, the corporate head office relocated to Toronto, Ontario from Winnipeg, Manitoba.

[18] Hudbay bought Augusta Resource Corporation in June 2014 and with it, acquired its Rosemont copper project in Arizona.

[23] In December of the same year, the company announced the acquisition of all remaining issued and outstanding common shares of Mason Resources.

[24] On February 18, 2020, the community of Chilloroya formally approved a surface rights agreement with Hudbay for the Pampacancha satellite deposit located near the Constancia mine in Peru.

[31][32] On January 9, 2009, Hudbay Minerals suspended operations (and continue on care and maintenance) at Chisel North Mine in Snow Lake, Manitoba.

The mine stopped producing in late February 2009, due to falling zinc metal prices and increased costs, and restarted operations in 2010.

[33] Directly, and through its subsidiaries, Hudbay owns two polymetallic mines, and three ore concentrators in northern Manitoba and Saskatchewan (Canada) and Cusco (Peru), and copper projects in Arizona and Nevada (United States).

Hudbay also owns Pampacancha, a high-grade satellite copper deposit located only four kilometres from the Constancia mine.

The Fenix Project in eastern Guatemala is a substantial brownfield nickel laterite mine and process plant that has been on care and maintenance since 1980.

[38] Hudbay Minerals and two of its subsidiaries are subject to an ongoing $12 million lawsuit in Canada over the killing of a prominent Mayan community leader at the Fenix Mining Project.

[39][40][41] The lawsuit alleges that on September 27, 2009, security personnel employed at the Fenix mine surrounded, beat and hacked at Adolfo Ich Chamán with machetes before shooting him in the head at close range in an unprovoked attack.

[42] An arrest warrant was issued for the Head of Security at the Fenix mine, Mynor Ronaldo Padilla Gonzáles.

[44] On 6 January 2021 the mine's ex-security chief, Mynor Ronaldo Padilla Gonzáles pleaded guilty and was convicted of Indigenous leader Adolfo Ich Chamán's murder.

[45] Hudbay states that it and CGN have cooperated fully with all investigations conducted by Guatemalan authorities in connection with the incidents which occurred on September 27, 2009, in El Estor.