FTSE Russell Revises Rules for Mega IPOs Like OpenAI

• Fast-entry IPO rule: Proposed mechanism to accelerate index inclusion for qualifying IPOs beyond standard quarterly review cycles (March, June, September, December) • Current eligibility framework: IPOs must meet minimum three-month trading requirement and pass free float/voting rights screens before quarterly consideration • Market capitalization determination: Index membership eligibility referenced at specific cut-off dates (e.g., 30 April or 31 October for June/December reviews) • Lock-up period considerations: Post-IPO share lock-up expirations may trigger secondary index adjustments when restricted shares become freely tradeable • Minimum eligibility thresholds: Proposals under consultation to potentially adjust free float and voting rights requirements for large issuances

The introduction of fast-entry rules for mega-IPOs could establish a precedent for index rule flexibility in response to market evolution, potentially influencing how other index providers (S&P, MSCI) handle large capital raises. This may accelerate capital flows into newly public mega-cap companies through passive index funds, creating significant market impact at IPO inclusion dates. The rule changes also signal index providers' recognition that traditional quarterly review cycles may be inadequate for companies of unprecedented market capitalization, potentially reshaping index governance frameworks industry-wide.