investors and riders are raising concerns about the way deliveroo holdings plc treats its couriers in the run up to the company’s initial public offering next week highlighting a key issue for the startup as gig economy workers lobby to secure more protections from the platforms that rely on them legal  general investment management aberdeen standard investments and aviva investors three of the uk’s biggest asset managers are among the fund managers who said this week they won’t be participating in the ipo the investors which manage more than 25 trillion combined said that among other issues they’re concerned that the company’s treatment of riders doesn’t align with socially responsible investing practices