Hearst News Selects Magnite as Preferred Deal Partner for High-Impact Formats Across Web and CTV Supply, Announces SpringServe Partnership

Magnite (NASDAQ:MGNI) was selected by Hearst News as a preferred deal partner for high-impact web and CTV ad formats and will support Hearst’s expanded video operations via a new SpringServe partnership.

Rhea-AI Summary

Magnite (NASDAQ:MGNI) was selected by Hearst News as a preferred deal partner for high-impact web and CTV ad formats and will support Hearst’s expanded video operations via a new SpringServe partnership.

The tie-up targets omnichannel reach—streaming TV, mobile apps and web—leveraging Hearst’s audience of over 80 million users to deliver premium, consistent ad experiences and improved operational efficiency for video monetization.

Positive

• Preferred partner status with Hearst for high-impact web and CTV formats
• Adoption of SpringServe to support Hearst’s video ad operations and efficiency
• Omnichannel scale across streaming TV, mobile app, and web environments
• Access to Hearst’s 80 million users for premium contextual advertising

Negative

• None.

Argus Apr 21 session

-6.57% close to close Open Argus

Details

News Market Reaction – MGNI

On Apr 21, the day this news came out, MGNI closed 6.57% below the previous close.

Data tracked by StockTitan Argus for the Apr 21 session.

Key Figures

Hearst News reach: over 80 million users

Hearst News reach

over 80 million users

Users reached across Hearst News properties

Previous Partnership Reports

5 past events · Latest: Feb 11

Same Type 5 events

1. Feb 11

   Publisher partnership

   24h Move

   -1.4%

   NYT made Magnite DV+ preferred platform for in-app ad deals.

2. Jul 23

   Agency partnership

   24h Move

   -2.4%

   Dentsu expanded use of SpringServe to streamline CTV and video.

3. Jul 14

   CTV access deal

   24h Move

   +1.9%

   Paramount Australia enabled programmatic access to Paramount+ ad tier.

4. Apr 09

   CTV data partnership

   24h Move

   +20.4%

   Samsung Ads expanded Magnite use to enhance streaming addressability.

5. Jan 28

   Sports streaming deal

   24h Move

   -0.5%

   Sky New Zealand used Magnite to power programmatic on Sky Sport Now.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Key Terms

programmatic marketplace, exit-intent placements, pause ads

3 terms

programmatic marketplace technical

"bring our news properties together into one unified programmatic marketplace, Magnite is helping"

A programmatic marketplace is an automated online platform where ad space is bought and sold in real time using software instead of hand-written contracts. Think of it like a digital auction house for advertising where buyers and sellers match instantly, which matters to investors because it drives how quickly and efficiently a media company can turn its audience into ad revenue, affects profit margins, and exposes businesses to changes in data rules and ad tech competition.

exit-intent placements technical

"support high-impact formats such as web exit-intent placements and CTV pause ads"

Exit-intent placements are website elements—such as pop-ups, banners or offers—that appear when a visitor shows signs of leaving a page (for example, moving the cursor toward the browser close button). Investors care because these tools can boost conversion and sales by recovering abandoning visitors, like a shop assistant offering a discount as a customer heads for the door, which affects revenue per visitor, customer acquisition cost and overall marketing efficiency.

pause ads technical

"such as web exit-intent placements and CTV pause ads across Hearst’s omnichannel footprint."

Pause ads are short advertisements that appear when a viewer stops or pauses a video or live stream, typically as an overlay or full-screen image. For investors, they matter because they turn a previously unused viewing moment into potential revenue—similar to a billboard you see when you pause at a rest stop—so adoption can raise a platform’s ad income per user while also influencing user engagement and retention.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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NEW YORK, April 21, 2026 (GLOBE NEWSWIRE) -- Magnite (NASDAQ:MGNI), the largest independent sell-side advertising company, today announced that Hearst News has selected Magnite as a preferred deal partner for high-impact advertising formats across web and CTV inventory. Hearst News is also deepening its relationship with Magnite through a new SpringServe partnership.

This expanded collaboration brings together Hearst News’ premium content and trusted journalism with Magnite’s omnichannel scale and expertise, helping advertisers reach engaged audiences across streaming TV, mobile app, and web environments. As Hearst News continues to invest in emerging ad experiences built for modern viewing habits, the preferred partnership with Magnite will support high-impact formats such as web exit-intent placements and CTV pause ads across Hearst’s omnichannel footprint.

Hearst News will also leverage Magnite’s SpringServe platform to support its video advertising operations as the publisher continues to expand its premium streaming and digital video experiences. By incorporating SpringServe’s capabilities, Hearst News will be better positioned to drive greater operational efficiency and unlock more dynamic, high-impact video formats.

In an environment where advertisers prioritize quality, context, and attention, Hearst News’ portfolio of respected local news outlets offers a powerful advantage. Hearst News reaches over 80 million users who turn to its properties for timely reporting, community updates, and meaningful storytelling. As brands and advertisers seek dependable environments for their messages, Hearst provides a setting built on credibility and daily relevance.

“We’ve built our reputation by investing in strong journalism and trust is our most valuable asset,” said Nate Ryckman, VP, Programmatic Strategy at Hearst News. “As we bring our news properties together into one unified programmatic marketplace, Magnite is helping us deliver consistent, premium advertiser experiences across all of our properties, regardless of environment. The consolidation of our portfolio makes it easier for advertisers to plan, buy, and measure across our properties. Our partnership with Magnite will make it easy for advertisers to deliver impactful, performant experiences across that portfolio.”

“Hearst understands that attention is earned and their audiences come for trusted reporting and high-quality storytelling,” said Ashley Wheeler, Senior Vice President, DV+ Platform at Magnite. “This partnership is about helping Hearst bring forward ad experiences that match that standard. Together we’re delivering high-impact experiences that are respectful of the consumer and consistent across screens.”

About Magnite
We’re Magnite (NASDAQ: MGNI), the world’s largest independent sell-side advertising company. Publishers use our technology to monetize their content across all screens and formats including CTV, online video, display, and audio. The world’s leading agencies and brands trust our platform to access brand-safe, high-quality ad inventory and execute billions of advertising transactions each month. Anchored in bustling New York City, sunny Los Angeles, mile high Denver, historic London, colorful Singapore, and down under in Sydney, Magnite has offices across North America, EMEA, LATAM, and APAC.

About Hearst News
Hearst News is Hearst’s newly unified digital organization, bringing together talent, technology, product, data, and strategy into one centralized team focused on delivering best-in-class programmatic solutions at national scale. Formerly operating under the Hearst Mosaic name, Hearst News now serves as the single-entry point for national advertisers and agencies seeking access to Hearst’s digital news inventory across newspapers and television.

Media Contact:
Charlstie Veith
cveith@magnite.com

Investor Contact:
Nick Kormeluk
nkormeluk@magnite.com

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Hearst News selecting Magnite (MGNI) as a preferred deal partner mean for advertisers?

It means advertisers gain streamlined access to Hearst’s premium inventory through Magnite for consistent buys across screens. According to Hearst News, the partnership consolidates its portfolio into a unified programmatic marketplace to simplify planning, buying, and measurement across properties.

Which ad formats will Magnite and Hearst News prioritize together under the MGNI partnership?

They will prioritize high-impact formats such as web exit-intent placements and CTV pause ads across Hearst’s footprint. According to Hearst News, these formats target attention-rich moments across streaming TV, mobile apps, and web environments to enhance ad performance.

How will SpringServe factor into Hearst News’ video advertising after the MGNI deal?

SpringServe will be used to support Hearst’s video ad operations and drive greater operational efficiency. According to Hearst News, incorporating SpringServe aims to unlock more dynamic, high-impact video formats and streamline video monetization workflows.

What audience reach does Hearst News bring to the Magnite (MGNI) partnership?

Hearst News reaches over 80 million users across its local and national properties, offering broad scale for advertisers. According to Hearst News, that reach emphasizes trusted, local journalism as a context for quality advertising placements and brand safety.

How might the MGNI–Hearst partnership affect ad planning and measurement for buyers?

The partnership aims to make cross-property planning, buying, and measurement easier and more consistent for advertisers. According to Hearst News, consolidating properties into one programmatic marketplace supports unified campaign execution and performance measurement across channels.