In this week’s Week in Charts, Havas gets used to client pressure on fees, WPP grows its principal media revenues, and Publicis leads new business wins.
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Quote of the Week
Number of the Week
Charts of the Week
ISBA Finds Little Positivity Towards Principal Media Among UK Advertisers
UK advertisers are overwhelmingly neutral or negative towards the practice of principal or proprietary media, according to ISBA’s survey of 29 members of its Media Leaders Group. The results were released alongside the trade body’s new guidance, ‘Proprietary Media: Transparency, Governance and Effectiveness’, which comes amid growing use of principal media by the holding companies (see Number of the Week above).
Publicis Leads New Business Wins in 2025
Publicis dominated new business wins last year, according to Mediasense’s latest rankings of the major holding companies, with 1,458 pitch wins in 2025. The rankings break out Omnicom and IPG separately, but when combined the results would put Omnicom in second place with 848 wins.
One-Third of US Media Experts Consider GenAI Hallucinations Brand-Suitable
Almost one-third of US digital media experts consider AI-generated content that contains inaccurate information or hallucinations suitable to advertise around, according to the ‘2026 Industry Pulse Report’ from IAS and YouGov. Tolerance rises to 40 percent for content that regurgitates or plagiarises existing content. “Not all AI-generated content is created equal, and marketers will need to distinguish between high- and low-quality environments as AI production grows,” said the report.
Netflix Leans into Japanese and South Korean Content
The proportion of Japanese content on Netflix, Amazon Pime Video, Disney+, Apple TV and Paramount+ has more than doubled over the past year, from 3 percent of programming in January 2025 to 6.1 percent in February 2026, according to the latest update from the Gracenote Data Hub.
Prime Video saw the largest increase in Japanese titles, rising from 2.2 percent to 6.1 percent in the last year, though Netflix has the highest share of Japanese content at 9.5 percent. However, South Korea is the second-largest production country for Netflix content after the US, with South Korean content making up 9.8 percent of Netflix titles.
The Week in Stocks
Agencies
Shares in Omnicom and Havas rallied last week after the agency groups both posted revenue growth in their 2025 earnings.
TV
Canal+ shares jumped when executives at the French TV company told investors it was considering launching a new streaming app for MultiChoice customers in South Africa, following its takeover of the pay-TV group.
Publishers
Shares in legal, financial and media news publisher Thomson Reuters took a hit after AI startup Anthropic revealed a new tool for companies’ legal departments.
Ad Tech
US software stocks fell on Monday amid fresh concerns around Donald Trump’s latest decision to raise his global tarrifs.
Tech
Nvidia shares are up almost five percent ahead of its Q4 earnings update due tomorrow, following reports that the AI chipmaker is planning to invest $30 billion in OpenAI.
