Walmart to Replace AstraZeneca in Nasdaq-100 Index on January 20
Walmart will replace AstraZeneca in the Nasdaq-100 Index on January 20, following its decision to move from NYSE to Nasdaq announced in November. The change affects multiple Nasdaq indices and reflects companies' strategic decisions to align with exchanges offering better investor base alignment and services.

*this image is generated using AI for illustrative purposes only.
Walmart will replace British drugmaker AstraZeneca in the Nasdaq-100 Index on January 20, the exchange operator announced on January 9. This significant index change follows the retail giant's November decision to shift its longtime listing from the New York Stock Exchange to its main rival, Nasdaq.
Index Transition Details
The transition will affect multiple Nasdaq indices before market open on January 20:
| Index: | Change |
|---|---|
| Nasdaq-100 Index: | Walmart replaces AstraZeneca |
| Nasdaq-100 Equal Weighted Index: | Walmart replaces AstraZeneca |
| Nasdaq-100 Ex-Tech Sector Index: | Walmart replaces AstraZeneca |
Reasons for Exchange Migration
Companies typically change listing venues for several strategic reasons. These include seeking better alignment with an exchange's investor base, technology and services, or pursuing cost reductions tied to listing and compliance requirements. The decision reflects a broader trend of companies evaluating their listing strategies to optimize market positioning.
Nasdaq-100 Index Appeal
Some companies that transferred from NYSE to Nasdaq in 2025 cited the attractiveness of the Nasdaq-100 index as a key motivating factor. The index includes 100 of the most valuable non-financial companies listed on Nasdaq, featuring prominent technology giants such as Nvidia and Apple. This prestigious index membership can enhance visibility among institutional investors and technology-focused investment funds.
Market Impact
The exchange transition represents a notable shift for Walmart, which maintained its NYSE listing for decades. The move to Nasdaq aligns the retail giant with an exchange known for its technology focus and modern trading infrastructure, potentially providing enhanced market access and operational efficiencies.
























