Horizons Marijuana Life Sciences Index ETF (TSE:HMMJ) Largest Cannabis Asset Management Company March 18, 2021 cbdnews How Marijuana Works Comments Off on Horizons Marijuana Life Sciences Index ETF (TSE:HMMJ) Largest Cannabis Asset Management Company Horizons ETFs Management Canada Inc CEO Steve Hawkins manages the Horizons Marijuana Life Sciences Index ETF (TSE:HMMJ) (OTCMKTS:HMLSF), …