Information on IPOs,  (IPO Statistics for 2014 and Earlier Years,) contains updated tables of interest to instructors, students, and journalists.

• IPOs 2013 Underpricing
• IPOs 2013 Tech Stock IPOs
• IPOs 2013 Age
• IPOs 2013 Price Revisions
• IPOs 2013 Sales
• IPOs 2013 Underwriting
• IPOs 2013 Foreign
• IPOs 2013 Long run Returns
• IPOs 2013 VC-backed IPOs
• IPOs 2013 Turnover Statistics

• Founding dates for 10,266 IPOs from 1975-2015 (updated July 2015) as described in Appendix A of “Why Has IPO Underpricing Changed Over Time?” (co-authored with Tim Loughran).
• A list of 264 “Rollups” IPOs from 1980-2014 as described in “Growth Capital-backed IPOs,” Jay R. Ritter, September 2014.
• A list of 374 growth capital-sponsored IPOs from 1980-2014  as described in  “Growth Capital-backed IPOs,” Jay R. Ritter.
• A list of IPOs from 1980 – April 2014 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 – 2014) Appendix C of “Why Has IPO Underpricing Changed Over Time?” (co-authored with Tim Loughran).
  • The November 2014 issue of European Financial Management has an article by Katrin Migliorati and Silvio Vismara that gives rankings for European underwriters.
• A list of internet IPOs (1990-2013) 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-July 2015, 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 1975-2015,”  August 2015.
• “Money Left on the Table in IPOs – by Firm,” August 2015.
• “Money Left on the Table in IPOs – Yearly,” March 2014.
• Average first-day returns for 52 Countries.
  • 2014 Update Table 1  Updated May 2015.
  • 2014 Update of (graph) Average First-day Returns
    • PowerPoint slide for the U.S., 1980-2014.
    • PowerPoint slides for China, Italy, Japan, Taiwan, and the U.S. through 2013.
    • PowerPoint slides for Canada, Hong Kong, Korea, and Singapore through 2013.
    • PowerPoint slides for Australia, Canada, China, France, Germany, Hong Kong, Italy,  Japan, Korea, Singapore,  Sweden, the U.K., and the U.S,
      • PowerPoint slides through 2011 for Germany, Italy, Japan, Singapore, Sweden, 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 – 2013.  April 2, 2015.
  • 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
  • An Excel file of U.S. IPOs from 2000 to present can be found by clicking on “Track Record” at IPO Scoop.com
  • “Post-IPO Employment and Revenue Growth for U.S. IPOs, June 1996-2010,” with Martin Kenney and Donald Patton, Kauffman Foundation Report, May 2012.
  • Martin Kenney and Don Patton of the University of California, Davis have put together a database of emerging growth IPOs from 1990 through 2010, which is available by e-mailing Don Patton at dpatton@rcip.com The IPO firm database includes data extracted from each firm’s IPO prospectus including location of headquarters, ticker symbol, initial price and shares offered, year of founding and firm SIC. A description can be found at http://hcd.ucdavis.edu/faculty/webpages/kenney/misc/Firm_IPO_Database_Guide.pdf. A second database containing the name, age, position, and biography of all managers and directors of these emerging growth IPOs should be available from Kenney and Patton in October.
  • First-day returns categorized by the revision in the offer price from the file price range.
  • Gross spreads on IPOs, 1980-2012.
  • Allocation data (with names of institutional investors, indications of interest, and actual allocations) for 11 bookbuilding IPOs from 1997-2000 used in Table 7 of “Affiliated Mutual Funds and the Allocation of Initial Public Offerings” (Jay R. Ritter and Donghang Zhang) Journal of Financial Economics Vol. 86, No. 2 (November 2007), pp. 337-368.
  • 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)
  • Long-run returns in the five years after SEOs, 1970-2011, with returns through December 31, 2012.