13F-HR | SEC Filings Hub

Filing metadata

Accession number: 0001398344-21-016331
Form type: 13F-HR
Filer: Punch Card Management L.P.
CIK: CIK 1631664
Filed: Aug 16, 2021
Reporting period: Jun 30, 2021
Description: Institutional holdings

Documents

0001398344-21-016331-index.htm

Complete submission

0001398344-21-016331.txt

directory listing

Filed by

Punch Card Management L.P.