IPO Data

• "IPOs from 1974-1975"

Information on IPOs ("Some Factoids About the 2008 IPO Market," contains updated tables of interest to instructors, students, and journalists.)

            +    IPOs 2008 sorts

            +    IPOs 2008 underwriting

            +    IPOs 2008 foreign

            +    IPOs 2008 long run returns

            +    IPOs 2008 VC-backed IPOs

• "Some Factoids About the 2008 IPO Market,"  May 2009.

• Founding dates for 8,823 IPOs from 1975-2008 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 - 2007 with multiple share classes outstanding as described in Appendix B of  "Why Has IPO Underpricing Changed Over Time?" (co-authored with Tim Loughran).

• IPO Underwriter Reputation Rankings (1980 - 2007) 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-September 2008, 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-September 2007,"  September 2007.

• "Money Left on the Table in IPOs - by Firm,"  March 2008.

• Money Left on the Table in IPOs - Yearly, April 2008.

• Average first-day returns for 45 Countries.

                2009 Update Table 1

                2008 Update of (graph) Average First-Day Returns

                PowerPoint slides for Italy, Germany, Japan, Korea, the U.K., and the U.S.

• Long-run Returns on IPOs from 1970-2007. May 20, 2009.

• 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

  • Ritter's 1975-1984 IPO Database--Description of 2,609 File

  • Excel file with information on 2,609 IPOs from 1975-1984

  • Excel file of long-run stock returns for 1,526 CRSP-listed IPOs from 1975-1984 used in 1991 Journal of Finance article  

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

• Gross spreads on IPOs, 1985-2006.

• Other data available by going back to IPO links.

• Corrections to Security Data Company's IPO database.

• Hoover's
  • Provides listings of IPOs from April 1996-present
  • Allows geographical sorts
  • Allows industry sorts

• Japanese IPOs  

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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