13F-HR | SEC Filings Hub

Filing metadata

Accession number: 0001398344-26-013514
Form type: 13F-HR
Filer: BERKSHIRE ASSET MANAGEMENT LLC/PA
CIK: CIK 949012
Filed: Aug 05, 2026
Reporting period: Jun 30, 2026
Description: Institutional holdings

Documents

0001398344-26-013514-index.htm

Complete submission

0001398344-26-013514.txt

directory listing

Filed by

BERKSHIRE ASSET MANAGEMENT LLC/PA