A database for blockholders in US-listed firms including all Form 13D and Form 13G filings.

The Dataset contains structured, parsed data from 758,666 Form 13D and Form 13G blockholder filings from November 1993 to May 2021, downloaded from SEC Edgar. The data is made available as a RAR-compressed CSV file, in which each row represents a single filing and the 76 columns contain parsed information for each filing. Please see the accompanying paper \"Determinants of Blockholdership - A new Dataset for Blockholder Analysis\" for more information and cite it when using the data for your research. As stated by the SEC, \"Information presented on www.sec.gov is considered public information and may be copied or further distributed by users of the web site without the SEC’s permission.\" (see https://www.sec.gov/privacy.htm#dissemination).