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CRSPMI Transitional Reconstitution December 2025

December 15, 2025 - December 19, 2025

CRSPMI Transitional Reconstitution begins after end of day Monday, December 15 and concludes after end of day Friday, December 19.

For more information, visit CRSP Market Indexes Methodology.

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News & Updates

CRSP US Mid Cap Index Outperforms Peers

Why do some mid- and small-cap ETFs outperform others? A recent article from ETF.com highlights how benchmark index construction and methodology—especially market cap definitions—can significantly impact ETF performance. [...]

CRSP Market Indexes – PFICs to be Removed from Index Eligibility

Passive Foreign Investment Companies (PFICs), as defined by the IRS, will no longer be eligible for inclusion in the CRSP US Market Indexes. [...]

CRSP Market Indexes US Market Update – Q2 2025

Notable items with this release include: - Markets broadly rallied throughout Q2, with every Cap and Style Index posting gains over the previous 3 months. - Growth largely outperformed Value [...]

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