CRSPMI Transitional Reconstitution

December 16, 2026 - December 22, 2026

Begins after end of day Wednesday, December 16 and concludes after end of day Tuesday December 22.

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For more information, visit:
CRSP Market Indexes Methodology or Transitional Reconstitution Calendar.

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News & Updates

Morningstar Completes Acquisition of CRSP and Extends Relationship with Vanguard

The CRSP integration unites two trusted sources of market insight, reinforcing a shared commitment to transparency, quality, and investor-focused solutions and solidifying Morningstar’s position as a top-tier global index provider. [...]

CRSP Market Indexes US Market Update – Q4 2025

Notable items with this release include:
- December returns were fairly flat for Cap and Style Indexes
- Value outperformed Growth across the board in Q4, however, [...]

2026 CRSP Market Indexes Methodology Guide

The 2026 CRSP Market Indexes Methodology Guide is now available. [...]