BUFFETT WARREN E

13D and 13G Filings

13D/G filings
13D on 1 security, 13G on 1 security
CIK
0000315090
All SEC filings
View on sec.gov
Issuer % of Class Filed
Schedule 13D · 1 security · may seek to influence control
Berkshire Hathaway Inc. 13D/A
BRK-A · 084670108
38.2% 7/15/2026
Event 7/14/2026
Schedule 13G · 1 security · passive
SiriusXM Holdings Inc. 13G/A
SIRI · 829933100
34.6% 2/14/2025
Event 12/31/2024

Includes filings since 12/18/2024, when the SEC began requiring structured 13D and 13G data.