The U.S. Justice Department is taking a deeper look at Fox Corporation’s proposed $22 billion acquisition of Roku, adding regulatory uncertainty to a transaction that would combine major television content, two free streaming services and one of the country’s most important connected-TV platforms.

Fox disclosed Wednesday, Sept. 9, that the department had issued a “second request” for additional information and documents. The step extends the federal antitrust review beyond the initial filing period. It does not mean the government has decided to challenge the transaction, but it gives investigators more time and evidence to assess how the combination could affect competition.

The distinction matters because this is not simply a studio buying a streaming app. Fox owns sports, news and entertainment programming as well as Tubi, its free, advertising-supported streaming service. Roku supplies the operating system built into televisions and streaming devices, operates The Roku Channel and sells advertising using first-party audience data. The companies have said Roku reaches more than 100 million streaming households worldwide.

The review shifts attention from size to control

When Fox and Roku announced the agreement in June, they valued Roku at $160 a share, consisting of $96 in cash and 0.9693 Fox Class A shares. Existing Fox shareholders are expected to own about 73% of the combined company, with Roku shareholders owning about 27%. The companies have projected roughly $400 million in annual cost savings.

Those financial terms explain the scale of the bet. The more consequential strategic issue is control over the interface where viewers choose what to watch. Roku’s home screen, search tools, advertising inventory and recommendation systems sit between content providers and audiences. Fox would arrive with its own services, including Tubi and Fox One, and a large portfolio of programming.

The Justice Department has not publicly identified a theory of harm in the case. Still, the structure creates questions regulators and commercial partners can reasonably examine: whether Fox-owned services could receive better placement, whether competing streamers would receive equal access to audience data and advertising tools, and whether the combined company could use its position in hardware and software to favor its own programming.

Those are questions, not findings. Fox has said Roku would remain an open, partner-friendly platform. A rigorous review will test that promise against contracts, product road maps, data practices and internal projections rather than relying on public assurances alone.

A second request is a serious process, not a verdict

Under the Hart-Scott-Rodino Act, federal antitrust agencies can seek additional records when an initial merger filing leaves competitive questions unresolved. Federal Trade Commission guidance says a second request typically seeks business documents and data about products, markets and the likely effects of a transaction. After both companies substantially comply, the agency generally receives another 30 days to complete its review or take further action.

Fox executives characterized the request as expected and said the company still anticipates closing the deal in the first half of 2027. That timetable may hold, but the information demand raises the cost and complexity of getting there. It can also shape negotiations over behavioral commitments, structural remedies or other conditions if investigators identify competition concerns.

The transaction would create what the companies describe as the third-largest player in U.S. television by share of viewing. That makes the review relevant well beyond the two companies’ shareholders. Roku’s platform is a distribution channel for streaming services that also compete with Fox for viewers and ad dollars.

Advertising data may be the commercial center of the deal

For marketers, the combination is as much an advertising and measurement story as a content story. Roku sees what viewers open, search for and watch across its platform. Fox controls valuable live programming and a growing free-streaming business. Joining those assets could improve targeting, cross-platform sales and measurement for advertisers seeking alternatives to traditional television buying.

It could also increase dependence on a single gatekeeper. Agencies and brands will want clarity about how data is combined, whether attribution rules remain transparent and whether inventory from rival services competes on equal terms with Fox-owned supply. Streaming distribution is increasingly shaped by interface design, recommendation systems and advertising technology, not only by who owns the most popular shows.

That makes neutrality a product and governance issue. Commitments about fair placement and data access will be difficult to evaluate if they are not specific, measurable and enforceable after closing.

What business leaders should watch next

The immediate milestones are compliance with the second request, shareholder votes, any proposed remedies and the Justice Department’s eventual decision. Executives at streaming services, television manufacturers, ad-tech companies and media agencies should pay close attention to how Fox defines platform openness and how regulators evaluate the role of recommendation and advertising systems.

The deal illustrates a broader shift in media strategy. Owning content is no longer enough; companies also want the operating system, customer relationship, data and storefront. That vertical integration can create a more efficient advertising product and a simpler consumer experience. It can also let one owner decide which services are easiest to find and which companies can compete effectively.

The second request does not settle that tension. It ensures that the proposed combination will be judged not only on promised scale and synergies, but on who controls the connected-TV gateway and what protections remain for everyone else using it.