Walmart’s Automation Now Reaches Most Of Its U.S. Stores. Its Investors Voted Not To Study It.

Walmart shareholders on June 4 rejected a proposal asking the company to report on how artificial intelligence and automation affect its workforce, with the proposal drawing support from roughly 4.95% of the shares voted, according to preliminary results Walmart disclosed after its annual meeting. The proposal, filed by United for Respect, asked Walmart to account for the effect of advanced technologies on jobs, pay, training, and equity. Walmart had recommended a vote against it, on the grounds that it already discloses its workforce strategy and AI oversight.

The vote itself changes little for suppliers and sellers. What sits behind it is the more relevant development: Walmart has spent the past several quarters quantifying an automation buildout that now runs through much of the supply chain its merchandising partners plug into. The shareholder meeting did not announce that buildout. The vote confirmed only that Walmart’s investors had little appetite to scrutinize it.

As Walmart has detailed in recent earnings disclosures, roughly 60% of U.S. stores now receive at least some freight from automated distribution centers, about half of its eCommerce fulfillment center volume is automated, and 23 of its 42 regional distribution centers are in some stage of automation retrofit.

CFO John David Rainey told analysts in November that this fulfillment automation has held Walmart’s shipping costs down in the 30% range for many quarters, with another quarter of double-digit improvement. For 1P suppliers, the implication is less about the figure than about what a lower cost-to-serve buys Walmart: room to hold firmer on price, on fill rate, and on the OTIF discipline that automation makes easier to measure. A retailer whose own handling costs are falling has less reason to absorb a supplier’s.

The same logic runs through the planning layer. Walmart has been deploying agentic AI across its supply chain and, in its international operations, a system it calls self-healing inventory that detects stock imbalances and redirects product before a shortage reaches the shelf, a direction Walmart International technology chief Vinod Bidarkoppa described last year as building systems that act on real-time signals automatically. Paired with the neural-network demand forecasting Walmart has documented across planning horizons, the practical effect for 1P suppliers is a rising bar on data quality. The suppliers positioned to benefit are the ones whose own forecasting and replenishment feeds are clean enough to keep pace with a system that adjusts continuously rather than on a fixed planning cycle.

For 3P Marketplace sellers, the automation shows up at a different point. Rainey told analysts in May that same-day and next-day units sold through Walmart Fulfillment Services rose 150% year over year. Marketplace sales grew nearly 50% in the quarter, the segment’s best showing in 10 quarters. Where the buildout reaches 1P suppliers mainly as tighter forecasting and cost expectations, it reaches WFS sellers as fulfillment speed and reach they would struggle to match on their own. The split matters for planning. A 1P supplier should read the automation news as a standards story, while a seller weighing WFS should read it as a capacity story.

Walmart has guided to capital expenditures of about 3.5% of net sales for fiscal 2027, with supply chain and technology among its stated capital priorities. The shareholder vote settled a governance question. The spending guidance answers the operational one, which is whether any of this slows down.

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