IREN Added to Russell 1000 Index

IREN (NASDAQ: IREN) has been added to the Russell 1000 Index, effective after market close on June 26, 2026, following FTSE Russell’s annual reconstitution.

Rhea-AI Summary

IREN (NASDAQ: IREN) has been added to the Russell 1000 Index, effective after market close on June 26, 2026, following FTSE Russell’s annual reconstitution.

The index tracks roughly 1,000 of the largest U.S. companies by market cap and is widely used as a large-cap benchmark.

Positive

• Added to Russell 1000 Index effective after market close on June 26, 2026
• Recognition among approximately 1,000 largest U.S. companies by market capitalization
• Potentially higher visibility with investors who use Russell 1000 as a benchmark
• Milestone that follows expansion of U.S. operations and customer base

Negative

• None.

Argus Jun 29 session

-2.75% close to close Open Argus

Details

News Market Reaction – IREN

On Jun 29, the day this news came out, IREN closed 2.75% below the previous close.

Data tracked by StockTitan Argus for the Jun 29 session.

Key Figures

Russell 1000 constituents: 1,000 companies

Russell 1000 constituents

1,000 companies

Number of largest U.S. companies in the Russell 1000 Index

Historical Context

5 past events · Latest: Jun 15

5 events

1. Jun 15

   Acquisition / expansion

   24h Move

   +1.8%

   Completed Nostrum acquisition, adding 490MW power and European AI data center entry.

2. Jun 03

   New data center plan

   24h Move

   -1.7%

   Announced 800MW Australian data center campus targeting 2028 energization and job creation.

3. Jun 01

   GPU financing

   24h Move

   +2.8%

   Closed $3.65bn investment-grade GPU financing for Microsoft AI cloud contract build-out.

4. Jun 01

   AI factory tech

   24h Move

   +2.8%

   Partnered with BE Networks using NVIDIA DSX Air to simulate large-scale AI factory network.

5. May 26

   AI contract ramp

   24h Move

   +13.5%

   Signed $1.6bn Dell GPU deal to support $3.4bn AI cloud contract, targeting ARR $4.4bn.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Key Terms

russell 1000 index, russell 3000 index, ftse russell, large-cap stocks

4 terms

russell 1000 index financial

"it has been added to the Russell 1000 Index effective after market close"

A stock-market benchmark that tracks the performance of the 1,000 largest U.S. publicly traded companies by market value, representing the large-cap portion of the U.S. equity market. Think of it as a thermometer for big American companies: investors, mutual funds and ETFs compare returns to it and often build products that follow it, so its gains or losses influence many portfolios and signal broader market trends.

russell 3000 index financial

"Membership in the Russell 1000 Index is based on membership in the broad-market Russell 3000 Index."

A broad stock market index that tracks the performance of the roughly 3,000 largest publicly traded U.S. companies by total market value, representing almost the entire U.S. equity market. Investors use it like a big basket or thermometer: it provides a simple snapshot of overall U.S. stock market health, serves as a benchmark for funds and portfolios, and helps measure diversification, risk and returns over time.

ftse russell financial

"following the FTSE Russell Indexes reconstitution."

FTSE Russell is a global index provider that creates and maintains lists (indexes) showing how groups of stocks perform, similar to a scoreboard that ranks companies by size, sector and trading activity. Investors use these indexes as benchmarks and as the basis for investment products like index funds and ETFs, so when a stock is added or removed it can trigger buying or selling that affects its price and liquidity.

large-cap stocks financial

"benchmark for the performance of large-cap stocks."

Large-cap stocks are shares of companies with very large total market values, typically seen as stable, well-established businesses—think of them as the blue-chip anchors of the market like the largest ships in a fleet. They matter to investors because they tend to offer lower risk and steadier returns than smaller companies, often paying dividends and serving as a defensive core in a diversified portfolio.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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NEW YORK, June 29, 2026 (GLOBE NEWSWIRE) -- IREN Limited (NASDAQ: IREN) (“IREN”) today announced that it has been added to the Russell 1000 Index effective after market close on June 26, following the FTSE Russell Indexes reconstitution.

The Russell 1000 Index includes approximately 1,000 of the largest U.S. companies based on market capitalization and is widely used by investors as a benchmark for the performance of large-cap stocks.

Inclusion in the Russell 1000 Index represents an important milestone for IREN. It follows a period of continued expansion of IREN’s U.S. operations and customer base.

The Russell 1000 is managed by FTSE Russell, a global leader in index and analytics. Membership in the Russell 1000 Index is based on membership in the broad-market Russell 3000 Index.

About IREN

IREN is a vertically integrated AI Cloud provider, delivering large-scale data centers and compute for AI training and inference. IREN’s platform is underpinned by its expansive portfolio of grid-connected land and power in renewable-rich regions across North America, Europe and APAC.

Contacts

Investors
ir@iren.com

Media
media@iren.com

Forward-Looking Statements

This news release contains “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, that involve substantial risks and uncertainties. Forward-looking statements generally relate to future events or IREN’s future financial or operating performance. Forward-looking statements include information concerning possible or assumed future results of operations, including descriptions of our business plan and strategies, revenue targets and trends we expect to affect our business. These statements often include words such as “anticipate,” “believe,” “may,” “can,” “should,” “could,” “might,” “plan,” “possible,” “project,” “strive,” “budget,” “forecast,” “expect,” “intend,” “target”, “will,” “estimate,” “predict,” “potential,” “continue,” “scheduled”. Forward-looking statements may also be made, verbally or in writing, by members of our Board or management team in connection with this news release.

These forward-looking statements are based on management’s current expectations and beliefs. These statements are neither promises nor guarantees, but involve and are subject to known and unknown risks, uncertainties and other important factors that may cause IREN’s actual results, performance or achievements to differ materially from any future results performance or achievements expressed or implied by the forward-looking statements, including IREN’s ability to successfully execute on its growth strategies and operating plans, achieve its targeted annualized AI Cloud revenue, continue to develop its existing data center sites, design and deploy direct-to-chip liquid cooling systems, and diversify and expand into the market for high performance computing solutions (including the market for cloud services and potential colocation services), along with other important factors discussed under the caption “Risk Factors” in IREN’s Annual Report on Form 10-K, filed with Securities and Exchange Commission (the “SEC”) on August 28, 2025 and our other filings with the SEC. These and other important factors could cause actual results to differ materially from those indicated by the forward-looking statements made in this press release. Any forward-looking statement included in this press release speaks only as of the date of such statement. Except as required by law, IREN disclaims any obligation to update or revise, or to publicly announce any update or revision to, any of the forward-looking statements, whether as a result of new information, future events or otherwise.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does IREN's inclusion in the Russell 1000 Index mean for investors?

IREN’s inclusion in the Russell 1000 Index means it is now part of a key large-cap benchmark. According to IREN, the index covers about 1,000 of the largest U.S. companies, which may increase the stock’s visibility among benchmark-tracking investors.

When did IREN (NASDAQ: IREN) join the Russell 1000 Index?

IREN joined the Russell 1000 Index effective after the market close on June 26, 2026. According to IREN, this change followed FTSE Russell’s index reconstitution process, which periodically updates index membership based on company market capitalizations.

Why was IREN added to the Russell 1000 Index in June 2026?

IREN was added to the Russell 1000 Index as part of FTSE Russell’s 2026 reconstitution. According to IREN, membership reflects its status among large U.S. companies by market cap and follows a period of continued expansion of its U.S. operations and customer base.

How could IREN's Russell 1000 inclusion affect its stock and shareholders?

Inclusion in the Russell 1000 could increase IREN’s exposure to funds tracking that index. According to IREN, the Russell 1000 is widely used by investors as a large-cap benchmark, which may support trading liquidity and institutional awareness over time.

How is IREN's membership in the Russell 1000 related to the Russell 3000 Index?

IREN’s Russell 1000 membership is based on being part of the broader Russell 3000 Index. According to IREN, the Russell 1000 is a large-cap subset of the Russell 3000, which represents a broad cross-section of the U.S. equity market.