QNST (QuinStreet) Market Cap: $999 Mil (As of Sep. 21, 2026)

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Director of Data and Quant Analytics at GuruFocus
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Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

QNST QuinStreet Inc QNST
79 GF Score
Price $17.45
GF Value $22.24
Valuation Modestly Undervalued
! 2 Warning Signs
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What is QuinStreet Market Cap?

QuinStreet QNST -0.40% 79 Market Cap is $999 Mil as of Sep. 21, 2026. GuruFocus rates QNST with a GF Score™ of 79/100 and a GF Value™ of $22.24 (Modestly Undervalued). The stock has 2 warning signs investors should review. Among 1,040 Media - Diversified companies, QuinStreet ranks better than 86.54% on this metric.

Market cap is the total market value to buy the whole company. It is equal to the share price times the number of Shares Outstanding (EOP). QuinStreet's share price for the quarter that ended in Jun. 2026 was $14.65. QuinStreet's Shares Outstanding (EOP) for the quarter that ended in Jun. 2026 was 56 Mil. Therefore, QuinStreet's market cap for the quarter that ended in Jun. 2026 was $828 Mil.

QuinStreet's quarterly market cap declined from Dec. 2025 ($819 Mil) to Mar. 2026 ($690 Mil) but then increased from Mar. 2026 ($690 Mil) to Jun. 2026 ($828 Mil).

QuinStreet's annual market cap declined from Jun. 2024 ($920 Mil) to Jun. 2025 ($920 Mil) and declined from Jun. 2025 ($920 Mil) to Jun. 2026 ($828 Mil).

Enterprise Value is the theoretical takeover price. It is more comprehensive than market capitalization (market cap), which only includes common equity. Enterprise Value is calculated as the market cap plus debt and minority interest and preferred shares, minus total cash and cash equivalents. QuinStreet's Enterprise Value for Today is $949 Mil.


QuinStreet  (NAS:QNST) Market Cap Explanation

Market cap is not the real price you pay for a company. If you buy the company and become its owner, you become the owner of the cash the company has, and you also assume the company’s debt. The real price you pay is the Enterprise Value.

Warren Buffett uses the ratio of total market cap of all public traded companies over GDP to measure if the market is expensive. As of April 2012, the US total market cap is about $14.7 trillion, while the US GDP is about $15 trillion. The market was modestly overvalued.


QuinStreet Market Cap Related Terms


QuinStreet Market Cap Historical Data

* Premium members only.

The historical data trend for QuinStreet's Market Cap can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

QuinStreet Market Cap Chart

QuinStreet Annual Data
Trend Jun17 Jun18 Jun19 Jun20 Jun21 Jun22 Jun23 Jun24 Jun25 Jun26
Market Cap
Get a 7-Day Free Trial Premium Member Only Premium Member Only 536.77 478.52 920.30 920.27 827.65

QuinStreet Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Market Cap Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 920.27 887.48 818.98 689.89 827.65

QNST vs CCO, CRTO, EVC: Market Cap Comparison

For the Advertising Agencies subindustry, QuinStreet's Market Cap, along with its competitors' market caps and Market Cap data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


QuinStreet Market Cap vs Media - Diversified Industry

For the Media - Diversified industry and Communication Services sector, QuinStreet's Market Cap distribution charts can be found below:

* The bar in red indicates where QuinStreet's Market Cap falls into.


QNST
79GF Score
QuinStreet Inc QNST
Market Cap is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

QuinStreet Market Cap Calculation

Market cap is the short version of market capitalization. It is the total market value to buy the whole company. It is equal to the share price times the number of shares outstanding.

QuinStreet's Market Cap for the fiscal year that ended in Jun. 2026 is calculated as

Market Cap (A: Jun. 2026 )=Share Price (A: Jun. 2026 )*Shares Outstanding (EOP) (A: Jun. 2026 )
=$14.65*56.494586
=$

QuinStreet's Market Cap for the quarter that ended in Jun. 2026 is calculated as

Market Cap (Q: Jun. 2026 )=Share Price (Q: Jun. 2026 )*Shares Outstanding (EOP) (Q: Jun. 2026 )
=$14.65*56.494586
=$828

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Market Cap →
What does a Market Cap of $999 Mil mean?
QuinStreet (QNST) has a Market Cap of $999 Mil as of Sep. 21, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on QuinStreet and its competitors. According to the industry distribution chart, QuinStreet ranks #140 out of 1040 companies in the Media - Diversified industry, placing it in the top 13.5%.
Is QuinStreet's Market Cap too high?
QuinStreet's current Market Cap is $999 Mil. The Media - Diversified industry median Market Cap is 50.16. QuinStreet's value of $999 Mil is 1891.8% above this industry median. Based on the distribution chart, QuinStreet ranks #140 out of 1040 companies in the Media - Diversified industry, which is in the top quartile — a strong position relative to peers. Overall, QuinStreet has a GF Score™ of 79/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does QuinStreet's Market Cap compare to CCO and CRTO?
According to the Media - Diversified industry distribution chart, QuinStreet ranks #140 out of 1040 companies for Market Cap. This places QuinStreet in the top 14% of its industry — outperforming the majority of peers. The industry median Market Cap is 50.16. QuinStreet's value of $999 Mil is 1891.8% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Market Cap for a Media - Diversified company?
The median Market Cap among Media - Diversified companies is 50.16, based on 1,040 companies in the industry. Companies in the top quartile (top 25%) have a Market Cap significantly above this median, while those in the bottom quartile fall well below. However, Market Cap should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. QuinStreet's current Market Cap of $999 Mil is 1891.8% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Market Cap mean?
A high Market Cap can signal that a stock is expensive relative to its fundamentals. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on QuinStreet and its competitors. For the Media - Diversified industry, the median Market Cap is 50.16 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. QuinStreet's current Market Cap is $999 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is QuinStreet stock overvalued right now?
Based on GuruFocus' analysis, QuinStreet (QNST) is currently considered Modestly Undervalued. The stock's GF Value™ is $22.24, compared to a current price of $17.45 — trading 21.5% below its estimated fair value. The current Market Cap is $999 Mil and 1891.8% above the Media - Diversified industry median of 50.16. QuinStreet's overall GF Score™ is 79/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Market Cap calculated?
Market Cap is calculated from a company's financial statements. For QuinStreet (QNST), the current Market Cap is $999 Mil as of Sep. 21, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is QuinStreet (QNST) Overvalued in 2026?

Based on GuruFocus' analysis, QuinStreet stock appears to be undervalued. The current stock price of $17.45 is trading 21.5% below its estimated GF Value™ of $22.24. GuruFocus considers QuinStreet to be Modestly Undervalued.

Key valuation signals for QNST:

  • Market Cap: $999 Mil
  • GF Value™: $22.24 vs. price of $17.45 (21.5% below fair value)
  • GF Score™: 79/100 with 2 warning signs
  • Industry Position: 1891.8% above the Media - Diversified median (#140 of 1040)

No single metric tells the full story. See the QNST stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


QuinStreet Business Description

Other Exchanges 5Q8:Germany
Address 950 Tower Lane, 12th Floor, Foster City, CA, USA, 94404
QuinStreet Inc focuses on marketplaces and technologies for the financial services and home services industries. It delivers measurable and cost-effective marketing results to its clients, in the form of qualified inquiries such as clicks, leads, calls, applications, or customers. It generates revenue by delivering measurable online marketing results to the clients. Its products and services are Customer Acquisition, QuinStreet Rating Platform (QRP), and CloudControlMedia. Geographically, it operates in United States and Internationally, of which maximum revenue is derived from United States.
79GF Score

Get the complete analysis for QNST

Market Cap is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$17.45
Price
$22.24
GF Value