San Francisco's tuna salad aisle is a niche shelf with only a handful of brands: 6 products from 3 brands across 3 grocers. bi-rite market owns the most shelf — 33% of SKUs, ahead of gus's. Store brands hold 67%. Verdict: niche — a boutique shelf — only a handful of brands (opportunity 54/100).
brands by share of the tuna salad shelf.
the claims products on this shelf lead with — share of SKUs carrying each.
no positioning claims tagged on this shelf yet.
store-brand share: 67% · scores 0–100.