The chart above shows that Canopy Growth Corporation (WEED) is expected to command the largest portion of the market (MJX) (HMLSF) share, or 14.6%, as an individual entity by 2021. The company serves primarily the medical marijuana market as of the date of this writing, but it has the infrastructure to scale up its production to serve the recreational market as well.

Aurora Cannabis (ACBFF) is expected to command almost 10% of the market share followed by Aphria (APH.TO), which is expected to command 8.8% of the market share by 2021.

The Supreme Cannabis Company (FIRE.V) is expected to hold a 6.3% market share followed by Cronos Group (MJN) at 6% of the total.

In all, nine players are expected to hold almost 59% of the medical and recreational cannabis market share by 2021 according to Canaccord Genuity.