New ETFA proposed new marijuana ETF could be a boon to Canadian-listed marijuana companies with U.S. operations. Horizons ETFs Management last week filed a preliminary prospectus to launch a new marijuana ETF called the Horizons Junior Marijuana Growers Index ETF, which would trade under the ticker symbol HJMR. This of course would be the second Cannabis ETF launched by Horizons, its first marijuana ETF, the Horizons Marijuana Life Sciences Index ETF, was launched in April of last year. While pot is legal in several U.S. states including California and Colorado, its illegal federally. According to analysts, companies with U.S. operations that could benefit from inclusion in the new ETF include CannaRoyalty Corp., iAnthus Capital Holdings Inc., MPX Bioceutical Corp., Marapharm Ventures Inc., Friday Night Inc. and Sunniva Inc. Recently, Alternative Harvest became the first U.S. listed ETF with exposure to cannabis. It saw its assets swell from $5.7 million on December 26, its first trading day, to $355 million on Thursday,.