Ontario Teachers' Pension Plan, a global investor, completed the acquisition of a 25% stake in Sweetwater Royalties, a base metals and industrial minerals royalty company, from Orion Resource Partners, a global asset management firm, for $222m. "We are excited to partner with Orion in the ownership of Sweetwater and work together to support the growth of the business. Sweetwater has a unique mineral acreage position across the largest natural trona deposit globally and significant growth optionality across its asset base," Christopher Metrakos, OTPP Senior Managing Director of Natural Resources.