With a market capitalization (market cap) of $3.51B — a measure of how much the company is worth — Magnite, Inc. is the 1681st most valuable company in Communication Services as of August 18, 2026. Shares trade at $24.53, up +1.41% on the day.
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Magnite, Inc. manages an independent, global platform dedicated to the digital advertising marketplace. This sophisticated system furnishes publishers—entities controlling digital content such as connected TV channels, mobile applications, and websites—with the necessary applications and utilities to oversee and monetize their ad inventory. Concurrently, it delivers services and tools for advertising buyers, including advertisers, agencies, agency trading desks, and demand-side platforms, enabling them to procure digital ad space. The company employs sales teams operating from various international locations to market its advanced technological solutions to both buying and selling parties. Formed in 2007, the enterprise was formerly known as The Rubicon Project, Inc. before rebranding as Magnite, Inc. in July 2020. Its corporate headquarters are located in New York, New York.
Visit websiteAs of August 18, 2026, Magnite, Inc. (MGNI) is worth $3.51B — this is its market capitalization, the total value of all its outstanding shares.
Magnite, Inc.’s market cap is $3.51B, which ranks it #1681 among the most valuable companies in the Communication Services sector tracked on MarketCapLens.
Magnite, Inc. (MGNI) shares trade at $24.53, up 1.41% on the day, as of August 18, 2026.
Magnite, Inc. trades at a price-to-earnings (P/E) ratio of 24.3, based on its latest share price and annual earnings per share.
Fundamentals are annual. Figures labeled with their fiscal year.
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