Scanning the aisle…
Bay Area's rice vinegar aisle is a competitive shelf with clear leaders: 100 products from 14 brands across 19 grocers. marukan owns the most shelf · 75% of SKUs, ahead of nakano. Store brands hold 2%. The shelf leans dairy-free · 2% of SKUs carry that claim. Verdict: leader-led · a clear front-runner, but not yet a lock (opportunity 69/100).
brands by share of the rice vinegar shelf.
every brand by share of shelf × price. bubble size = the brand's total reach across all aisles; color = positioning stance. top-right owns the premium end; bottom-right owns the mainstream.
All stores combined.
store-brand share: 2% · scores 0-100.
the rice vinegar products in the most Bay Area grocers · widest distribution first.










the claims products on this shelf lead with · share of SKUs carrying each.