With a market capitalization (market cap) of $1.09B — a measure of how much the company is worth — QuinStreet, Inc. is the 2548th most valuable company in Communication Services as of August 28, 2026. Shares trade at $18.90, down +3.96% on the day.
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QuinStreet, Inc. is a global digital performance marketing enterprise that specializes in helping clients acquire new customers. The company delivers various online marketing solutions, producing measurable results such as qualified web traffic, sales prospects, direct phone calls, submitted applications, and ultimately, new patrons. These services are facilitated through QuinStreet's proprietary online platforms or via its network of third-party publishers. The firm primarily caters to the financial and home services industries. Founded in 1999, its corporate headquarters are situated in Foster City, California.
Visit websiteAs of August 28, 2026, QuinStreet, Inc. (QNST) is worth $1.09B — this is its market capitalization, the total value of all its outstanding shares.
QuinStreet, Inc.’s market cap is $1.09B, which ranks it #2548 among the most valuable companies in the Communication Services sector tracked on MarketCapLens.
QuinStreet, Inc. (QNST) shares trade at $18.90, down 3.96% on the day, as of August 28, 2026.
QuinStreet, Inc. trades at a price-to-earnings (P/E) ratio of 13.3, based on its latest share price and annual earnings per share.
Fundamentals are annual. Figures labeled with their fiscal year.
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