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

The U.S. IPO Market Needs Saving. Could Paul Atkins Be the Answer?

This article from the Wall Street Journal highlights a significant decline in publicly traded companies, noting a drop from over 7,000 in 1998 to fewer than 4,000 last year, as reported by CRSP. 
Beginning with the December 2025 ranking, the CRSP US Core Cap Index will replace the CRSP US Total Market Index as the parent index for all CRSP US Sector Indexes. [...]
CRSP Market Indexes (CRSPMI) announces the market cap breakpoints and effective ranking dates for its September 2025 quarterly index rebalancing. [...]
Using CRSP Market Indexes Methodology, CRSP Count™ tracks changes in the number of securities by market cap segments - Mega, Mid, Small and Micro - through time. [...]
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. [...]
Passive Foreign Investment Companies (PFICs), as defined by the IRS, will no longer be eligible for inclusion in the CRSP US Market Indexes. [...]
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 [...]
We are delighted to invite Ph.D. students, faculty members, and friends to a WRDS webinar on the newly released CRSP CIZ (Version 2) data format. [...]
CRSP Market Indexes (CRSPMI) announces the market cap breakpoints and effective ranking dates for its June 2025 quarterly index rebalancing. [...]
Using CRSP Market Indexes Methodology, CRSP Count™ tracks changes in the number of securities by market cap segments - Mega, Mid, Small and Micro - through time. [...]
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