IPO Data

Information on IPOs (IPO Statistics for 2011 and Earlier Years,) contains updated tables of interest to instructors, students, and journalists.)

            +    IPOs 2011 Underpricing

            +    IPOs 2011 Age

            +    IPOs 2011 Price Revisions

            +    IPOs 2011 Sales

            +    IPOs 2011 Underwriting

            +    IPOs 2011 Foreign

            +    IPOs 2011 Long run Returns

            +    IPOs 2011 VC-backed IPOs

            +    IPOs 2011 Turnover Statistics

• Founding dates for 9,396 IPOs from 1975-2011 as described in Appendix A of "Why Has IPO Underpricing Changed Over Time?" (co-authored with Tim Loughran).

• List of 171 "Rollup" IPOs from 1992-2005.  This can be opened in SAS or in Wordpad.  47 of these are identified in Keith Brown, Amy Dittmar, and Henri Servaes' 2005 RFS article "Corporate Governance, Incentives, and Industry Consolidations."  Most of the rest are identified in Jennifer Bethel and Laurie Krigman's "A Rational Incentives-Based Explanation for Booms and Busts."

• A list of IPOs from 1980 - April 2012 with multiple share classes outstanding as described in Appendix B of  "Why Has IPO Underpricing Changed Over Time?" (co-authored with Tim Loughran).

• All-star analyst coverage and spinning data as used in “The Economic Consequences of IPO Spinning” (co-authored with Xiaoding Liu) and “Local Underwriter Oligopolies and IPO Underpricing” (co-authored with Xiaoding Liu)

• IPO Underwriter Reputation Rankings (1980 - 2009) Appendix C of  "Why Has IPO Underpricing Changed Over Time?" (co-authored with Tim Loughran).

                Download Excel version

• A list of internet IPOs as described in Appendix D of  "Why Has IPO Underpricing Changed Over Time?" (co-authored with Tim Loughran).

• Monthly Number of IPOs and the average first-day return in " The Market's Problems with the Pricing of Initial Public Offerings," Journal of Applied Corporate Finance, 1994, 66-74. This contains a listing, by month, of the number of IPOs and the average first day return.  For January 1980-December 2011, this file contains a monthly measure of "hotness" of the IPO market: the percentage of deals that priced above the midpoint of the original file price range.

• "Big IPO Runups of 1975-2012,"  April 2012.

• "Money Left on the Table in IPOs - by Firm,"  April 2012.

• Money Left on the Table in IPOs - Yearly, December 2011.

• Average first-day returns for 49 Countries.

                2011 Update Table 1

                2011 Update of (graph) Average First-day Returns

                        PowerPoint slides through 2010 for Australia, Canada, China, Germany, Hong Kong, Japan, and the U.S.

                        PowerPoint slides for Australia, Canada, China, France, Germany, Hong Kong, Italy,  Japan, Korea, Singapore, the U.K., and the U.S,

                        Data on 1,651 Japanese IPOs using bookbuilding from September 1997 to December 2009, from Takashi Kaneko and Richard Pettway

    Japanese IPOs from Tokyo IPO.com

• Long-run returns on U.S. IPOs from 1970 - 2010.   April 28, 2012.

• Purged and unpurged Fama-French monthly factor returns from 1973-2003, updated, from the Loughran-Ritter 2000 JFE article "Uniformly Least Powerful Tests of Market Efficiency"

• Jay Ritter's 1975-1984 IPO Database

• First-day returns categorized by the revision in the offer price from the file price range.

• Gross spreads on IPOs, 1980-2008.

• Other data available by going back to IPO links.

• Corrections to Security Data Company's IPO database.

• "IPOs from 1974 - 1975"

IPO Prospectures Since 1975:  Courtesy of Graeme Howard and Todd Huxster.  Graeme Howard published The IPO Reporter for many years.  He and Todd Huxster have given me their collection of pre-EDGAR prospectuses for use by researchers.

SEO Data

• Data (1970 - December 2004) for Number of Seasoned Equity Offerings (Follow-on Offerings)

Jay R. Ritter

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