US Judge Rejects Google Ad Tech Breakup, Imposes Six-Year Conduct Restrictions

Key Facts

1Judge Leonie Brinkema rejected the DOJ's request to force Google to sell its AdX exchange or its publisher ad server.

2The ruling requires Google to connect AdX to the Prebid open bidding system and share auction data with publishers for six years.

In a move that reflects a shift in the legal pressure to break up Big Tech, a federal judge has issued a ruling rejecting the US Department of Justice's request to force Google to divest parts of its advertising technology business. According to reports, Judge Leonie Brinkema denied the proposal to force a sale of the AdX exchange or the publisher ad server, ruling that a breakup was neither realistic nor necessary to restore competition. Instead, the court mandated that Google connect AdX to the Prebid open bidding system and share auction data with publishers for a period of six years.

This decision reduces the structural uncertainty surrounding Alphabet, Google's parent company, at a time when major tech stocks are seeing mixed performance. Per market data, GOOGL closed at $347.33 on September 17, 2026, while peers like META closed at $682.31 and MSFT at $497.75 on the same date. The ruling implies that while Google avoids a forced sale, it must adhere to strict operating rules and oversight by a monitor for the next six years to prevent anticompetitive conduct.

Looking at current levels, GOOGL stood at $347.33 (close September 17, 2026) following a session high of $349.50 and a low of $343.89. Investors will now watch how these operational restrictions impact the profitability of the ad tech stack over the medium term, as the upcoming economic calendar remains focused on broader macro data without immediate company-specific catalysts scheduled in the next few days.