This is the easiest way for you to work with the The Securities and Exchange Commission (SEC) quarterly publication having the List of Section 13(f) Securities. The Adobe PDF files are available for download directly from the SEC website.
Official List of Section 13(f) Securities
Using highly sophisticated extraction methods, we carefully convert, review and export each line in plain text file comma separated format as well as in Excel (version 97-2003) containing the extracted data.
In this file, you will have 20,112 securities as published by the SEC for the first quarter of 2021 on April, 2nd 2021.
If you're unsure about the file formats provided, please download and verify the sample files available for each publication.