Polenta Market Report: Sales Volume, Market Share, Leading Brands & Market Trends

King Arthur is the best-performing polenta brand in July 2026, moving 19,000 units across 2 ASINs for 51.5% of Top 10 volume. P.A.N. follows with 10,000 units (27.1%), ahead of Bob's Red Mill on 6,900 units (18.7%).

With 4 brands splitting the Top 10 and 97.3% 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 $6.82 to $8.66, 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. Specifically, one ASIN forced its way in: B07XSM8KKC booked 900 units at $19.32, with ▲ 80.0% MoM change. On the growth side, B00DM6KS1U leads positive momentum with ▲ 200.0% MoM growth on 300 units, with B00U9W4R3K close behind at ▲ 100.0% MoM on 200 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already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date.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.