Highstock raises $30M to take its surplus marketplace into apparel

a16z is leading the Series A as Camille van Horne expands Highstock beyond beauty and tests its inventory-matching software in a larger category.

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Primary source: Andreessen Horowitz

Why it matters

Van Horne is applying Instacart's marketplace playbook to inventory brands usually hide or destroy. The $30 million round funds a larger apparel test, while Highstock still must prove how much of its claimed $1 billion in listings actually sells.

A high-angle view of neatly folded apparel, including denim and sweaters, with a few items slightly out of place on a light wooden shelf.

Camille van Horne (@camillevanhorne) is the co-founder and CEO of Highstock, a marketplace for excess consumer inventory. Andreessen Horowitz announced on September 10th, 2026, that it was leading Highstock's $30 million Series A. Highstock is using the capital to move from surplus beauty products into apparel.…

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