May-2026
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Market Insights Snapshot
In May 2026, Castle Rock Farms concentrated 63.86% of sales in Pre-Roll, with category sales up 4.40% year over year and 1.02% month over month, while Flower’s 20.67% share contracted with a -35.15% YoY decline and a -0.53% MoM dip. Vapor Pens expanded to a 15.48% share driven by a 62.71% MoM surge, despite no year-over-year baseline, and the overall brand price mix moved with a -4.74% YoY average price shift against a Pre-Roll average price of $32.23. With Pre-Roll ranked 4 in Alberta and holding the largest share of the portfolio, the data indicates a pivot toward value-leaning inhalables led by Pre-Rolls and a rapid test-and-scale push in Vapor Pens.
The category shifts imply Castle Rock Farms is trading exposure away from Flower toward faster-turn, price-sensitive inhalables: Pre-Roll’s 63.86% share paired with a modest 1.02% MoM gain contrasts with Flower’s shrinking -35.15% YoY, and the 62.71% MoM spike in Vapor Pens suggests incremental shelf wins rather than cannibalization of Pre-Rolls. Given the brand’s rank of 4 in Alberta for Pre-Roll and a -4.74% YoY average price move, the path forward points to defending Pre-Roll rank with calibrated pricing while using Vapor Pens’ momentum to diversify the inhalables base without over-reliance on a declining Flower segment.
Competitive Landscape
Castle Rock Farms sits at rank #4 in AB Pre-Roll for May 2026, improving 2 positions from #6 year over year and holding flat versus February 2026 at #4, while its prior peak was #2 in November 2025. Competitive pressure is mixed: General Admission held at #1 year over year despite a 29.3% YoY sales decline, and Back Forty / Back 40 Cannabis jumped from #7 to #2 with 72.7% YoY growth, whereas Claybourne Co. remained at #3 with a 16.4% YoY decline and Good Supply climbed from #11 to #5 on 47.0% YoY growth. The combination of a 2-rank YoY gain for Castle Rock Farms alongside an unchanged 3-month position and a prior peak at #2 implies a plateau just below the top tier, with near-term share shifts likely dictated by whether the surge from #7 to #2 at Back Forty / Back 40 Cannabis sustains or normalizes.

Notable Products
Pick Me Up Live Resin Disposable (1g) delivered the standout move in May 2026 with +75.6% MoM to rank 2, while Pick Me Up Pre-Roll 10-Pack (5g) held rank 1 on +9.2% MoM, indicating demand is tilting toward higher-velocity inhalables without displacing the flagship pre-roll. Watermelon Waterfall Liquid Diamond Disposable (1g) rose +49.3% MoM at rank 3, whereas HGH Pre-Roll 10-Pack (3.5g) fell -11.9% at rank 9, and six of the top ten are Pre-Roll SKUs, signaling category concentration even as the Vapor Pens pair climbs the leaderboard. Pink Grapes Pre-Roll 20-Pack (10g) slipped -8.1% at rank 4 against a $280,300 tally while Gastropop Live Resin & Diamond Infused Blunt (1g) gained +17.4% at rank 6, implying consumers are trading into differentiated formats and potency cues rather than bulk pack sizes. Taken together, rapid Vapor Pens gains alongside mixed Pre-Roll momentum imply Castle Rock Farms is leaning into format innovation to diversify volume beyond traditional multi-pack pre-rolls.
Top Selling Cannabis Brands
Data for this report comes from real-time sales reporting by participating cannabis retailers via their point-of-sale systems, which are linked up with Headset’s business intelligence software. Headset’s data is very reliable, as it comes digitally direct from our partner retailers. However, the potential does exist for misreporting in the instance of duplicates, incorrectly classified products, inaccurate entry of products into point-of-sale systems, or even simple human error at the point of purchase. Thus, there is a slight margin of error to consider. Brands listed on this page are ranked in the top twenty within the market and product category by total retail sales volume.






