The waste conversion company is preparing a $125m initial public offering, with backers including Waste Management of Canada seeking a return on their investment.

Enerkem, a Canada-based company that produces fuel and chemicals from recycled waste, filed for its initial public offering (IPO) on Friday, and is looking to raise up to $125m.

Enerkem’s chief shareholders are Rho Ventures, a venture capital (VC) division of private equity firm Rho Capital Partners which holds 39.6% of Enerkem’s stock, VC firm Braemar Energy Ventures (holding 22.0%) and waste management and environmental services company Waste Management of Canada (11.0%) – which is an affiliate of US-based…