Magnite

Magnite

https://www.magnite.com/
https://www.linkedin.com/company/magnite/

Magnite, also known as Rubicon Project and Telaria, is a publicly owned company headquartered in the United States. Founded in 2007 and employing approximately 720 individuals, the company reported $714.0M in revenue as of 2025. Functioning as an ad tech company specializing in RTB and programmatic solutions, Magnite offers a sell-side advertising platform designed to enable monetization of publisher content across CTV, online video, display, and audio. In April 2021, Magnite acquired SpotX, expanding its CTV offering.

2025 Revenue

Founded

2007

Headcount

971

Headquarters

United States

Primary Segment

RTB and programmatic

Ownership

Publicly Owned

Deployments

175

News Summary:

On September 17, 2026, Magnite announced expanded omnichannel capabilities and third-party integrations for Magnite Orchestration, a coordination layer designed to connect agents within a shared environment, enabling AI-driven buying systems to discover, evaluate, activate, and optimize premium omnichannel inventory. Earlier on September 16, Magnite detailed how its Magnite Showcase transforms media planning by packaging premium inventory for easy discovery by buyer agents. This follows an announcement also on September 16, where Magnite advanced its agentic vision by broadening its AI-focused orchestration layer to unify agents and premium inventory across TV, audio, display, and online video formats, further expanding its Magnite Orchestration platform with broader omnichannel formats and new third-party integrations to support AI-driven media buying.

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Magnite offers 7 products in the media tech, media and telecoms services and ad tech and services industries. Magnite's product portfolio comprises of search, social, and retail media, marketer and agency technology, tV and streaming ad tech and RTB and programmatic.

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Magnite's revenues were $714.0M in 2025. Caretta Research has split Magnite's revenue into 4 different product categories, the largest of which is supply side platform (SSP), which represents 61% of Magnite's revenue.

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Sep

23rd

2026

07:27

Partnerships and Alliances, B2B Tag, Partnerships

MGNI Looks 66.8% Overvalued on GF Value™

On September 23, 2026, Magnite Inc (NASDAQ: MGNI) announced its new role as the primary video ad server and programmatic technology provider for HP TV+. This partnership enables advertisers to access programmatic demand across both banner and video ad inventory on the HP TV+ streaming platform.

Sep

23rd

2026

06:56

Emerging Tech, Partnerships and Alliances, B2B Tag, Partnerships

Magnite named primary video ad server for HP TV+

Magnite ( MGNI ) announced it is the primary video ad server and a programmatic technology provider for HP TV+, providing access to programmatic demand across HP TV+ banner and video inventory. Published first on TheFly – the ultimate source for real-time, market-moving breaking financial news.

Sep

21st

2026

15:56

Management Changes, Emerging Tech, B2B Tag, Management Changes

Magnite Announces New CFO and Accounting Leadership

Magnite ( (MGNI) ) has provided an update. On September 18, 2026, Magnite promoted Brian Gephart to Chief Financial Officer, effective October 1, 2026, succeeding retiring CFO David Day after his decade-long tenure overseeing the company’s finances.

Sep

21st

2026

09:45

Management Changes, B2B Tag, Management Changes

Magnite Promotes Brian Gephart To CFO Role As David Day Decides To Retire

(RTTNews) - Monday, Magnite, Inc. (MGNI), an independent sell-side advertising company, announced the promotion of Chief Accounting Officer Brian Gephart as Chief Financial Officer, effective October 1, 2026. This comes as CFO David Day has decided to retire from the position after a distinguished decade-long tenure leading the company's financial operations.

Finanzen Austria

Sep

21st

2026

06:30

Management Changes, Emerging Tech, B2B Tag, Management Changes

Magnite, Inc. Announces Appointment of Haas Sullivan to Chief Accounting Officer, Effective October 1, 2026

Magnite, Inc. appointed Haas Sullivan as the Company's Chief Accounting Officer (CAO), effective October 1, 2026, in which capacity he will serve as principal accounting officer. Haas Sullivan, age 43, has served as the Company's Vice President of Accounting since April 2020.■

Sep

21st

2026

03:02

Magnite Promotes Brian Gephart to Chief Financial Officer

The Investor Relations website contains information about Magnite, Inc.'s business for stockholders, potential investors, and financial analysts.

Sep

21st

2026

03:00

Management Changes, B2B Tag, Management Changes

Magnite promotes Brian Gephart to CFO, effective October 1

Magnite (NASDAQ: MGNI ) announced the promotion of Brian Gephart to Chief Financial Officer, effective October 1, 2026. Gephart succeeds David Day, who is retiring after a decade leading the company's financial operations. Gephart has served as Magnite's Chief Accounting Officer since June 2021.

Sep

21st

2026

01:33

Partnerships and Alliances, New Offerings, Emerging Tech, Artificial Intelligence, B2B Tag, Partnerships, New Offerings

Magnite Advances Agentic Vision as Major Media Owners, Buyers and Technology Players Leverage Orchestration Layer

Magnite , the largest independent sell-side advertising company, announced expanded omnichannel capabilities and third-party integrations for Magnite Orchestration, a coordination layer that connects agents within a shared environment, allowing AI-driven buying systems to seamlessly discover, evaluate, activate, and optimize premium omnichannel inventory.

Agency Reporter

Sep

17th

2026

11:00

Emerging Tech, New Offerings, Artificial Intelligence, B2B Tag, New Offerings

Magnite Unveils Orchestration Layer for Agentic Advertising

Magnite (NASDAQ:MGNI), the largest independent sell-side advertising company, today announced expanded omnichannel capabilities and third-party integrations for Magnite Orchestration, a coordination layer that connects agents within a shared environment, allowing AI-driven buying systems to seamlessly discover, evaluate, activate, and optimize premium omnichannel inventory.

Sep

17th

2026

10:09

B2B Tag, Marketing and Promotional Activities, Regulations and Policies, Legal Issues and Lawsuits

A More Open, Competitive Digital Advertising Ecosystem

The remedies decision in the Google ad tech case is an important moment for digital advertising. Google’s dominance of open-web display advertising has stifled growth, innovation, and investment in the industry for more than a decade.

Sep

16th

2026

06:45

From Supply Discovery to Activation: Inside Magnite Showcase

Explore how Magnite Showcase transforms media planning by packaging premium inventory for easy discovery by buyer agents.

Sep

16th

2026

06:30

Partnerships and Alliances, New Offerings, Emerging Tech, Artificial Intelligence, B2B Tag, Partnerships, New Offerings

Magnite Advances Agentic Vision as Major Media Owners, Buyers and Technology Players Leverage Orchestration Layer

Magnite broadens its AI-focused orchestration layer to unify agents and premium inventory across TV, audio, display, and online video. Magnite (MGNI) expanded its Magnite Orchestration platform with broader omnichannel formats and new third-party integrations to support agentic, AI-driven media buying.

Magnite has commercial and technical partners like Criteo, Impact and Omnicom Media Group.

Example Customers

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Example Partners

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