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I Squared and Blackstone weigh joint bid for Ströer advertising unit

Reported by Privateequitywire
Apr 14, 2026· 3 min read
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Key Takeaways
  • • I Squared Capital and Blackstone are jointly exploring a bid for Ströer SE's out-of-home advertising unit, including digital content assets, after I Squared's solo attempt failed to secure investor backing in January 2026.
  • • Ströer's overall market capitalization has declined to approximately €2 billion, though market participants estimate the advertising division alone could be valued at €3.5 billion or more in a potential transaction.
  • • Stock market reaction was positive, with Ströer shares rising as much as 9.4% intraday on the announcement before closing up 3% in Frankfurt, signaling investor appetite for a potential transaction.
  • • The consortium has not yet determined whether to pursue a carve-out of the advertising unit or a broader acquisition of the entire company; discussions remain at an early stage with no guarantee of a formal offer.
  • • Senior management uncertainty is compounding strategic challenges, with co-CEO Christian Schmalz indicating he will not extend his contract beyond 2028 and CFO Henning Gieseke also considering departure.
Summary
I Squared Capital and Blackstone are jointly evaluating a potential acquisition of Ströer SE's core out-of-home advertising business, marking a renewed attempt to acquire the German media company's flagship operations. According to Bloomberg, the two private equity firms have initiated discussions with Ströer regarding the purchase of its advertising division, which encompasses out-of-home placements and associated digital content assets. This approach represents a significant escalation from I Squared's earlier solo bid, which collapsed in January 2026 after the firm failed to secure sufficient investor commitments for the transaction.

The timing of the renewed effort coincides with deteriorating valuation metrics for Ströer. The company's share price has declined substantially, placing its current market capitalization at approximately €2 billion. However, market participants and industry observers believe the advertising operations alone command considerably higher value, with estimates ranging to €3.5 billion or beyond in a potential sale. Ströer's stock responded positively to deal speculation, surging as much as 9.4% intraday on Monday before settling with a 3% gain at market close in Frankfurt—the strongest single-day performance in six months.

The consortium structure involving both Blackstone and I Squared suggests an attempt to address the financing and risk concerns that undermined the previous bid. According to sources familiar with the process, a prior transaction attempt by I Squared encountered obstacles related to debt structuring and broader macroeconomic uncertainty affecting Germany's advertising market. The addition of Blackstone, one of the world's largest asset managers with substantial acquisition capacity, could meaningfully improve execution probability.

Notably, the acquirers have not yet committed to a specific transaction structure. The consortium is evaluating whether to pursue a targeted carve-out of the advertising unit or broaden the bid to encompass Ströer's entire corporate entity. This strategic flexibility reflects ongoing uncertainty regarding optimal value realization. Additionally, management instability at Ströer presents execution risk: co-chief executive Christian Schmalz has publicly signaled he will not renew his contract beyond 2028, while CFO Henning Gieseke is reportedly considering an exit as well.

Market participants stressed that discussions remain preliminary with no assurance a formal offer will materialize. Both Blackstone, I Squared Capital, and Ströer declined comment on the negotiations. Given the failed January attempt, successful completion would require meaningful progress on financing commitments and agreement on transaction terms within a narrowing window of management continuity at the target company.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Privateequitywire I Squared and Blackstone weigh joint bid for Ströer advertising unit