NOTICE: As of 2/2/2026, Morningstar has completed the acquisition of the Center for Research in Security Prices (CRSP). Learn more >>

Big IPO Energy: Making Room for Mega IPOs

From Eligibility to Inclusion: Bringing Clarity to the Mega IPO Debate

The debate around mega IPO entry into broad market index families has highlighted how easily key distinctions between index providers and their methodologies can get lost. Given the scale of investor interest and the assets tracking the CRSP Market Indexes, which will be rebranded the Morningstar Market Indexes next month, it’s important to emphasize some key principles guiding our recent rule enhancement that will allow mega IPOs with low float percentage to be included in our indexes.

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From Eligibility to Inclusion: Bringing Clarity to the Mega IPO Debate The debate around mega IPO entry into broad market index families has highlighted how easily key distinctions between index [...]
Morningstar, a leading provider of independent investment insights, along with CME Group, the world's leading derivatives marketplace, today announced that they have entered into a multi-year licensing agreement for CME [...]
Per the Changes to Float Shares Investability Screen announcement on February 25, 2026, CRSP now includes a float-adjusted market capitalization test as part of the Float Shares Investability Screen for [...]
CRSP Market Indexes (CRSPMI) announces the market cap breakpoints and effective ranking dates for its June 2026 quarterly index rebalancing. [...]
VALLEY FORGE, PA (April 29, 2026)—Following Morningstar’s rebranding of the CRSP Market Indexes to Morningstar Indexes, Vanguard today announced upcoming changes to the names of multiple Vanguard U.S. equity index [...]
The rebrand of the CRSP indexes, with over $3 trillion in AUM benchmarked, solidifies Morningstar’s position as one of the top tier index providers and is an important new milestone [...]
Morningstar Indexes is changing the names of the CRSP Market Indexes. These changes will align the individual index names with the standard Morningstar naming convention. Morningstar will implement the name [...]
The April 2026 CRSP Market Indexes Methodology Guide is now available at crsp.org/indexes/crsp-market-indexes-methodology. [...]
Beginning July 1, 2026, governance of the CRSP Market Indexes will transition to the standard Morningstar Indexes Governance framework, replacing the governance authorities and procedures currently outlined in the CRSP [...]
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