DoorDash to Acquire Instacart in a Roughly $17 Billion Deal

As seen on the 24/7 Wall St. homepage on October 29, 2026.

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The agreement merges two of the biggest names in last-mile grocery delivery into a single platform, creating a combined operation with the scale to compete more directly against Walmart and Amazon as those two giants deepen their grip on the grocery delivery market.

The roughly $17 billion tie-up is the kind of consolidation move that tends to reshape competitive dynamics quickly. Rather than fighting each other for drivers, retail partnerships, and consumer loyalty, DoorDash and Instacart would pool those assets under one roof.

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Antitrust regulators will have the first and most consequential word on whether the deal clears. A transaction of this size, combining two leading players in the same delivery category, is virtually certain to draw close scrutiny before any closing can happen.

For investors watching the grocery delivery space, the immediate question is how Walmart and Amazon respond. Both have been steadily expanding their own fulfillment and delivery capabilities, and a newly unified DoorDash-Instacart would represent the most credible independent challenger either has faced.