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Jay R. Ritter

Working Papers

  • IPO Statistics for 2025 and Earlier Years
    • IPOs 2025 Underpricing
    • IPOs 2025 Tech Stock IPOs
    • IPOs 2025 Biopharma
    • IPOs 2025 Age
    • IPOs 2025 Dual Class
    • IPOs 2025 SPACs
    • IPOs 2025 Direct Listings
    • IPOs 2025 Price Revision
    • IPOs 2025 Sales
    • IPOs 2025 Underwriting
    • IPOs 2025 Foreign
    • IPOs 2023 Long run Returns
    • IPOs 2025 VC-backed
    • IPOs 2024 Turnover Statistics
  • “Going Public with IPOs and SPAC Mergers”, with Rongbing Huang and Donghang Zhang, December 2024.
  • “Multiple Bookrunners in IPOs”, with Wendy Y. Hu, December 2007.
  • “Pre-IPO Analyst Coverage: Information Production or Hype?”, with Chunxin Jia, Ruichang Lu, Zhen Xie, and Donghang Zhang, January 2026.
  • “Anatomy of a World-Class Standards Body: The Origins and Future of the CUSIP System”, with Philip Wool, January 2021.
  • Amplitude’s Direct Listing-case February 2022 (a case study of Amplitude’s September 2021 direct listing)

Jay R. Ritter

Director, the IPO Initiative and Emeritus Professor

University of Florida
Warrington College of Business
Eugene F. Brigham Finance, Insurance & Real Estate Department
PO Box 117168
Gainesville, Florida 32611-7168

Stuzin Hall 327
352.846.2837
Fax: 352.392.0301
Email
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Warrington College of Business
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