| # | % | |||||
|---|---|---|---|---|---|---|
| 1 | BERKSHIRE ASSET MANAGEMENT LLC/PA | 302,147 | 17,809,000 | 83.17% | ||
| 2 | SVB WEALTH LLC | 21,501 | 1,267,000 | 5.92% | ||
| 3 | CG Asset Management LLC | 18,600 | 1,096,000 | 5.12% | ||
| 4 | New England Research & Management, Inc. | 6,484 | 382,000 | 1.78% | ||
| 5 | CYPRESS CAPITAL MANAGEMENT LLC | 5,365 | 316,000 | 1.48% | ||
| 6 | ROTHSCHILD INVESTMENT LLC /IL | 5,066 | 299,000 | 1.40% | ||
| 7 | Garrison Asset Management, LLC | 4,155 | 245,000 | 1.14% |
From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.