Matilde Campodonico/AP The cannabis industry is starting to see some serious investment activity. Over the last few years, a new wave of cannabis finance companies have formed to capitalize on the green rush. Companies like Tuatara Capital, Seventh Point, Poseidon Asset Management, and Privateer Holdings have dived headfirst into the industry. While the first three are brand new, having been founded in the last few years, Privateer started in 2011.