a16z-Backed Highstock Uses AI to Price and Match Brand Excess Inventory

omooretweets · x · 2026-09-10

omooretweets explains Highstock, an a16z-backed marketplace for brand excess inventory: optimistic forecasting to avoid stockouts strands billions of dollars of inventory that gets written off, dumped into brand-cheapening channels, or destroyed.

Highstock, founded by CEO Camille Van Horne and CTO Sean Cashin (both from Instacart), uses AI to price and match one-off lots with no comps, while vetting buyers to keep products in brand-additive channels.

Related event: a16z leads $30M Series A in AI inventory marketplace Highstock(8 posts)→

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