Barclays has downgraded Omnicom Group (NYSE:OMC) from Overweight to Equalweight and trimmed its price target to $80 from $105, citing investor skepticism around its merger with Interpublic and longer-term structural concerns.

The downgrade comes even as the U.S. gave regulatory approval to the Omnicom-Interpublic merger, a deal Barclays says is “extremely likely” to close—pending final signoffs from the UK and EU.

Why Barclays Turned Cautious

Despite the strategic upside of the merger, Barclays outlined the following red flags:

• Muted Investor Sentiment: Conversations at Cannes Lions revealed deep industry skepticism. Barclays believes investors will need to see “one or two decent quarters post-deal”—likely into Q1 or Q2 2026—before re-rating the stock.

• AI Is Redefining the Model: The traditional agency model is under pressure. Barclays warned that artificial intelligence is blurring service lines, requiring a shift away from vertical integration to more client- or country-centric structures.

• Need for Deeper Restructuring: Simply combining Interpublic agencies and consolidating back-office functions may not be enough. Without broader transformation, the combined entity may take longer to gain marketplace traction.

How to Monitor Omnicom's Financials and Merger Impact

To keep track of Omnicom's evolving fundamentals, use these FinancialModelingPrep APIs:

📊 Full Financials (As Reported) API

Gives complete quarterly and annual statements to analyze how post-merger integration impacts OMC's top-line and margins.

📈 Advanced DCF API

Estimate fair value under varying assumptions, including integration costs and AI-driven margin improvements.

📅 Earnings Transcripts API

Read management commentary post-merger to assess how leaders plan to handle integration, restructure operations, and leverage AI.

Conclusion

Omnicom's deal with Interpublic may set the stage for an industry-defining consolidation—but execution will be key. As AI reshapes client expectations and investor patience wanes, the market may wait to reward the combined entity until it proves it can deliver in a fast-evolving ad tech environment.