PagerDuty began trading Thursday morning after an IPO that valued the company at $1.76 billion. One of the company's investors, Bessemer Venture Partner's Ethan Kurzweil, said there was a time when companies like PagerDuty couldn't even get venture funding. Other public Bessemer investments like Shopify and Twilio prove that the public markets understand the DevOps model, he said. Bessemer's stake is now worth $189 million. Andreessen Horowitz, which led PagerDuty's Series A, owns around $283 million in the company and Accel, which led its Series C owns around $189 million. Visit BusinessInsider.com for more stories.