Key Takeaways:
- IREN added to Russell 1000 Index after June 26 reconstitution
- Russell indexes track approximately $12.2 trillion in assets
- Inclusion expected to drive passive fund buying of IREN shares
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IREN joins Russell 1000 Index tracking $12.2 trillion in assets
IREN Limited (NASDAQ: IREN) was added to the Russell 1000 Index following the FTSE Russell annual reconstitution, effective after the market close on June 26, the company announced Monday.
"Today's record is a powerful reflection of the trust the market places in the Russell Indexes year after year," Fiona Bassett, chief executive officer of FTSE Russell, said. The 2026 reconstitution set a record with $553.9 billion traded across Nasdaq and NYSE on June 26, as FTSE Russell completed its transition to a semi-annual rebalancing process.
The Russell 1000 measures the performance of the largest 1,000 US companies by market capitalization within the broad-market Russell 3000 Index, which covers approximately 98% of the investable US equity market. About $12.2 trillion in assets are benchmarked to Russell US indexes as of June 2025, according to FTSE Russell. Nvidia became the largest company in the Russell 3000 and Russell 1000 during this year's reconstitution.
Inclusion in the index triggers mandatory buying from passive funds and ETFs that track the Russell 1000, potentially boosting demand for IREN shares. Other companies added to Russell indexes this year include Z Squared Inc., which joined the Russell 3000 and Russell 2000, and McEwen Inc., which was added to the Russell 2000. The second Russell reconstitution of 2026 is scheduled for December.
This article is for informational purposes only and does not constitute investment advice.
