SanDisk Joins Nasdaq-100 on April 20, Replacing Atlassian in $600B AUM Index

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SanDisk will join the Nasdaq-100 on April 20, 2026, replacing Atlassian after its market capitalization expanded in data storage and semiconductors. Inclusion by over 200 index-tracking funds managing more than $600 billion in assets is expected to trigger substantial institutional buying and improve the company’s liquidity.

1. Nasdaq-100 Inclusion and Replacement

SanDisk will enter the Nasdaq-100 on April 20, 2026, replacing Atlassian in the benchmark’s roster. This change reflects SanDisk’s recent market cap growth driven by its leading role in global data storage and semiconductor markets.

2. Anticipated Passive Inflows

More than 200 index-tracking funds, collectively overseeing over $600 billion in assets, are poised to adjust portfolios ahead of the rebalance. This shift typically generates a pre-inclusion rally and significant institutional purchases of the newly added stock.

3. Visibility, Liquidity and Capital Costs Impact

Membership in the Nasdaq-100 is expected to enhance SanDisk’s trading liquidity and market visibility, potentially reducing its cost of capital. Conversely, Atlassian may face short-term selling pressure as passive funds divest to accommodate the reshuffle.

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