With a market capitalization (market cap) of $1.07B — a measure of how much the company is worth — QuinStreet, Inc. ranks #2,405 among the 2,444 companies tracked, and 92nd in Communication Services as of November 11, 2026. Shares trade at $18.65, down 2.05% on the day.
As of November 11, 2026 · Prices may be delayed
of 2,444 tracked
Market-cap change uses historical capitalization records. Share-price returns are a different series and can differ when the share count changes. Returns below show the total change over each period. Use the CAGR calculator to calculate an annualized return. CAGR calculator. Market cap vs. stock price.
Year-end values and the chart both come from historical market-cap records, not from applying today's share count to past prices. Latest historical observation November 9, 2026. The headline market cap is from the ranking update on November 11, 2026.
| Year | As of | Market cap | Annual change | Share-price close |
|---|---|---|---|---|
| 2026Latest available | Nov 9, 2026 | $1.08B | +31.82% | $19.04 |
| 2025 | Dec 31, 2025 | $821.59M | -37.19% | $14.37 |
| 2024 | Dec 31, 2024 | $1.31B | +86.32% | $23.07 |
| 2023 | Dec 29, 2023 | $702.01M | -8.92% | $12.82 |
Ranking figure $1.07B as of November 11, 2026.
Market cap = share price × shares outstanding.
QuinStreet, Inc.'s ranking market cap is the reported market cap from the latest ranking update, with a share price of $18.87 as of November 11, 2026. Charts and the year-end table use a separate historical market-cap series, last observed at $1.08B on November 9, 2026. See how the ranking works.
Current shares outstanding are unavailable from the latest quote. Shares outstanding vs. float.
The latest annual report (FY 2026) used a weighted-average 57,177,000 shares. That figure is an average for the year, not the live count in the market-cap formula.
Book equity: assets minus liabilities on the latest annual report.
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Quote as of . Prices may be delayed. Day figures refer to the quote's trading session.
Latest quote: $18.87. The headline price of $18.65 is from the ranking update on Nov 11, 2026. These updates can differ in timing.
Largest U.S.-listed companies in the same sector. These companies may serve different markets.
| Rank | Company | Market cap | 1D |
|---|---|---|---|
| #4 | Alphabet Inc. GOOG | $3.5T | -0.38% |
| #8 | Meta Platforms, Inc. META | $1.64T | 0.00% |
| #53 |
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.
Summary from the company profile (Financial Modeling Prep). Principal financial figures above are for FY 2026.
Visit websiteAs of November 11, 2026, QuinStreet, Inc. (QNST) is worth $1.07B — that is its market capitalization, the total value of its outstanding shares on MarketCapLens.
A company’s net worth is its shareholders’ equity: assets minus liabilities on the balance sheet. That is book equity, not market cap. For FY 2026, QuinStreet, Inc.’s book equity is about $323.09M. Market cap is the market value of the outstanding shares. As of November 11, 2026, its market cap is $1.07B. Book equity is an accounting remainder; market cap is a trading value. Neither is a person’s net worth.
QuinStreet, Inc. ranks #2,405 among the 2,444 companies tracked on MarketCapLens. In Communication Services it ranks #92 of 93.
Financial figures are annual and labeled with their fiscal year (FY). Current-price P/E uses the latest available share price and annual earnings per share.
| 2022 | Dec 30, 2022 | $770.72M | -22.46% | $14.35 |
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| 2021 | Dec 31, 2021 | $993.99M | — | $18.19 |
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Last observation of each calendar year from historical market-cap records. The current year is through the latest date, not a completed year-end. Share-price close is the matching session for context — we do not rebuild cap from today's share count.
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Return on assets data unavailable for FY 2026
FY 2026
| $259.77B |
| -1.08% |
| #69 | The Walt Disney Company DIS | $205.84B | +0.08% |
| #77 | Verizon Communications Inc. VZ | $191.94B | +0.54% |
| #88 | T-Mobile US, Inc. TMUS | $179.1B | +0.22% |
Companies immediately above and below in the overall ranking. They may be in a different sector.
| Rank | Company | Market cap | 1D |
|---|---|---|---|
| #2402 | CNB Financial Corporation CCNE | $1.07B | -0.41% |
| #2403 | MoonLake Immunotherapeutics MLTX | $1.07B | -0.48% |
| #2404 | TMC the metals company inc. TMC | $1.07B | -7.63% |
| #2406 | CeriBell, Inc. CBLL | $1.07B | -0.43% |
| #2407 | Akso Health Group AHG | $1.07B | -2.45% |
| #2408 | Easterly Government Properties, Inc. DEA | $1.07B | -0.84% |
QuinStreet, Inc.’s ranking market cap of $1.07B comes from the same snapshot as the rest of this site, as of November 11, 2026. It is not share price multiplied by the FY 2026 weighted-average share count of 57,177,000. The historical market-cap series last observed $1.08B on November 9, 2026.
Over the past year, QuinStreet, Inc.’s market cap is up 31.86%, using historical market-cap records rather than today’s share count applied to past prices.
QuinStreet, Inc. (QNST) shares trade at $18.65, down 2.05% on the day, as of November 11, 2026.
QuinStreet, Inc. trades at a live price-to-earnings (P/E) ratio of 13.3, using the latest share price divided by the latest annual earnings per share. That is not the same as a fiscal-year reported P/E.