FTSE Russell's preliminary 2026 reconstitution list, published May 22, adds at least seven crypto-native or crypto-adjacent firms to the Russell 3000 Index: BitMine Immersion Technologies (BMNR), Sharplink (SBET), Gemini Space Station (GEMI), Galaxy Digital (GLXY), IREN Limited (IREN), CoreWeave ...
"The transition to semi-annual reconstitution structurally doubles the operational friction, liquidity demands and tracking error risk for the trillions of dollars benchmarked to the Russell Indices." — CME Group, 2026 Russell Reconstitution Analysis
FTSE Russell's preliminary 2026 reconstitution list, published May 22, adds at least seven crypto-native or crypto-adjacent firms to the Russell 3000 Index: BitMine Immersion Technologies (BMNR), Sharplink (SBET), Gemini Space Station (GEMI), Galaxy Digital (GLXY), IREN Limited (IREN), CoreWeave (CRWV), and Soluna Holdings (SLNH). The changes take effect after the market close on June 26. Approximately $12.2 trillion in assets are benchmarked to Russell US Indexes, of which roughly $2.7 trillion sits in passive vehicles that must mechanically replicate index composition.
This is the largest single-cycle injection of crypto-linked equity into a major U.S. benchmark since Strategy (formerly MicroStrategy) entered the Russell 1000 in June 2024. The additions span three distinct business models — crypto treasury companies, digital asset exchanges, and GPU/data-center operators pivoting from mining to AI compute — each carrying different risk profiles. Collectively, these seven names represent over $100 billion in combined market capitalization and hold more than 6.1 million ETH on corporate balance sheets.
The 2026 reconstitution is also the first under FTSE Russell's new semi-annual schedule, replacing the legacy once-a-year June rebalance with an additional November cycle. According to CME Group, this doubles the number of forced portfolio adjustment events per year for index-tracking funds, increasing both trading friction and the frequency of passive capital allocation into (or out of) crypto-linked equities.
FTSE Russell released its preliminary additions list on May 22, 2026. Seven companies with direct crypto exposure appear on the list:
| Company | Ticker | Market Cap (May 2026) | Primary Business | |---------|--------|----------------------|------------------| | CoreWeave | CRWV | ~$57.5B | GPU cloud / AI compute | | BitMine Immersion | BMNR | ~$12.6B (total holdings) | ETH treasury / staking | | Galaxy Digital | GLXY | ~$10.0B (Q1 rev) | Digital asset financial services | | Sharplink | SBET | ~$1.5B | ETH treasury | | IREN Limited | IREN | Multi-billion | BTC mining → AI data centers | | Gemini Space Station | GEMI | ~$577M | Crypto exchange | | Soluna Holdings | SLNH | Sub-$1B | Green data centers / BTC mining |
Final composition takes effect June 26, 2026. Preliminary lists are updated weekly on May 29, June 5, June 12, and June 18 before lock-in.
The range is notable. CoreWeave, at roughly $57.5 billion in market capitalization as of late May, is large enough to potentially qualify for the Russell 1000 large-cap segment. BitMine, with total crypto and cash holdings of $12.6 billion, may also land in the Russell 1000 rather than the small-cap Russell 2000, according to CryptoSlate analysis. Gemini, at $577 million — down 85% from its September 2025 IPO price — slots into the small-cap tier.
BitMine Immersion Technologies and Sharplink represent the Ethereum-focused wing of the corporate treasury movement that Strategy pioneered with Bitcoin.
BitMine (BMNR): Holds 5,278,462 ETH as of May 2026, equivalent to 4.37% of total ETH supply. Total crypto and cash holdings stand at $12.6 billion. The company acquired its ETH position at a total cost basis of approximately $18.5 billion; at current ETH prices near $2,191, the position is valued at roughly $10.7 billion, representing approximately $7.84 billion in unrealized losses. BitMine uplisted from NYSE American to the main NYSE board on April 9, 2026. The company operates MAVAN, an Ethereum staking platform, and has staked over $10.3 billion worth of ETH (4,712,917 tokens) as of May 17.
Sharplink (SBET): Holds approximately 868,699 ETH valued at $1.86 billion, according to The Block's treasury tracker. The company, which rebranded from SharpLink Gaming in February 2026, reported Q1 2026 earnings on May 11 showing a loss per share of $3.25 (versus estimated $0.62 loss) and revenue of $12.06 million, missing the $14.6 million consensus by 17.4%. Market capitalization is approximately $1.47 billion.
Both companies mirror Strategy's playbook — accumulate a single digital asset on the corporate balance sheet, issue equity and debt to fund purchases, and present the stock as a leveraged proxy for the underlying token. The key structural difference: Ethereum's proof-of-stake mechanism allows both BMNR and SBET to generate staking yield on their treasuries, an income stream unavailable to Bitcoin treasury companies.
Gemini Space Station (GEMI): The Winklevoss-founded exchange went public via IPO in September 2025, raising $425 million. Shares have declined approximately 85% from the IPO price to $5.16 as of May 25, 2026, with market capitalization at $577 million. In April 2026, affiliate Gemini Olympus LLC received a Derivatives Clearing Organization (DCO) license from the CFTC, permitting clearinghouse operations for regulated derivatives.
Galaxy Digital (GLXY): Reported Q1 2026 revenue of $10.0 billion (down from $13.0 billion year-over-year), almost entirely from digital asset sales. GAAP net loss was $216 million ($0.49 per share), driven by unrealized mark-to-market declines. Digital Asset segment adjusted gross profit held flat at $49 million despite a 20% decline in digital asset prices. The company's data center business delivered its first data hall at Helios to CoreWeave, initiating 15-year contracted cash flows, with Phase 2 buildout and 830 MW of additional capacity progressing.
The exchange entrants face a different economic profile than treasury companies. Revenue is transactional, tied to trading volumes that correlate with market sentiment. Both GEMI and GLXY carry operating businesses with cost structures that must be serviced regardless of crypto price direction.
CoreWeave (CRWV): The largest addition by market capitalization at approximately $57.5 billion. CoreWeave operates GPU-focused cloud infrastructure for AI workloads. While not a crypto-native company in the traditional sense, it originated as an Ethereum mining operation before pivoting to AI compute. The company secured a $3.1 billion HPC loan alongside its Russell 3000 entry. Stock traded between $103.70 and $109.85 on May 24, 2026.
IREN Limited (IREN): A former Bitcoin miner transitioning to AI cloud infrastructure. AI cloud services revenue increased 94.2% sequentially in Q3 to $33.6 million. IREN secured a five-year, $3.4 billion AI cloud deal with Nvidia and a 5-gigawatt strategic partnership. Annual recurring revenue under contract: $3.1 billion, targeting $3.7 billion by year-end 2026. The company closed a $3 billion convertible notes deal in May 2026 to fund AI infrastructure expansion.
Soluna Holdings (SLNH): Operates green data centers for Bitcoin mining and AI hosting. Project Kati 1's K1A Galaxy segment operates at 48 MW. Projects Kati 2 and Dorothy 3 each target 300+ MW for AI and HPC hosting. The company acquired the 150 MW Briscoe Wind Farm in West Texas, with management expecting $6-$11 million first-year adjusted EBITDA and $20-$24.4 million annualized revenue.
The infrastructure cohort represents a transitional category: companies that entered crypto as miners and are pivoting into AI compute, carrying both legacy crypto exposure and emerging enterprise contracts on their balance sheets.
Index inclusion arrives at an uncomfortable moment for crypto treasury stocks. Across the sector, NAV premiums that once justified the treasury model have collapsed.
Strategy (MSTR), the archetype, trades at an mNAV of approximately 1.08x — effectively at par with its Bitcoin holdings — compared to the sevenfold premium seen earlier. MSTR shares are down approximately 59% over the past year. BitMine's NAV ratio fell from 2.3x in August 2025 to 1.3x in subsequent weeks. Metaplanet's ratio dropped from 9.9x to 0.9x (a discount) between February and October 2025.
For passive funds forced into these names by index inclusion, this raises a straightforward question of economic substance: if the stock trades at or below the value of its crypto holdings, the corporate wrapper is destroying rather than creating value. Operating costs, executive compensation, debt service, and equity dilution from ongoing token purchases all erode net value relative to simply holding the underlying asset.
Sharplink's Q1 miss — reporting a $3.25 loss per share against a $0.62 consensus estimate — illustrates the cost structure problem. BitMine's $7.84 billion in unrealized ETH losses underscores the mark-to-market risk embedded in these positions.
The 2026 Russell reconstitution is the first under the new semi-annual schedule. Beginning this year, FTSE Russell will rebalance in both June and November (with the November implementation taking effect in December), replacing the legacy annual-only June cycle.
According to CME Group, this change "structurally doubles the operational friction" for the approximately $12.2 trillion benchmarked to Russell US Indexes. For passive vehicles — an estimated $2.7 trillion in index-tracking funds, plus $658 billion in Russell-linked ETFs — each reconstitution event forces mechanical buying of new additions and selling of deletions.
For crypto-linked additions, the semi-annual schedule means:
The core tension is mechanical. Approximately $2.7 trillion in passive capital must now include exposure to companies whose equity values can swing 10-20% in a single session based on underlying crypto price movements. This is not a commentary on whether the exposure is desirable; it is a statement about the plumbing.
Index fund managers tracking the Russell 3000 have no discretion over individual name inclusion. If BMNR holds 4.37% of all ETH and ETH drops 20% in a week, the resulting equity decline feeds directly into portfolio returns for every Russell 3000 tracker — including retirement accounts, target-date funds, and institutional mandates that never explicitly opted into crypto exposure.
The seven additions collectively hold over 6.1 million ETH (BMNR's 5.28 million plus SBET's 868,699) on corporate balance sheets, making the Russell 3000 an indirect holder of approximately 5% of all circulating ETH supply through these two treasury companies alone.
The 2026 Russell reconstitution marks a structural integration of crypto economics into passive U.S. equity markets. The seven additions are not speculative penny stocks entering a niche index; they are joining a benchmark that underpins $12.2 trillion in total benchmarked assets.
The economic substance varies sharply across the cohort. CoreWeave and IREN are generating multi-billion-dollar enterprise revenue from AI infrastructure contracts. BitMine and Sharplink are running leveraged Ethereum accumulation strategies with significant unrealized losses. Gemini and Galaxy are operating transactional businesses in a market where trading volumes have contracted. Soluna is attempting to bridge crypto mining with green energy.
What unifies them is that passive capital — from pension funds to 401(k) target-date portfolios — will now mechanically allocate to each of these risk profiles. The semi-annual reconstitution schedule ensures this happens not once but twice per year. Whether this constitutes broader market maturation or simply a more efficient transmission mechanism for crypto volatility into retirement portfolios is a question the data will answer over the next 12 months.