K9 Advantix Ii Small Dog Market Report: Sales Volume, Market Share, Leading Brands & Market Trends

K9 Advantix is the best-performing k9 advantix ii small dog brand in July 2026, moving 37,000 units across 5 ASINs for 46.3% of Top 10 volume. Wondercide follows with 17,000 units (21.3%), ahead of PetArmor on 16,000 units (20.0%).

With 4 brands splitting the Top 10 and 87.5% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $26.99 to $47.97, which frames the price band a competing listing has to justify.

Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. On the growth side, B00I0BXQ6Q leads positive momentum with ▲ 50.0% MoM growth on 3K units, with B07NX5F5YB close behind at ▲ 25.0% MoM on 5K units.

The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.