| # | % | |||||
|---|---|---|---|---|---|---|
| 1 | BERKSHIRE ASSET MANAGEMENT LLC/PA | 309,870 | 17,914,000 | 85.24% | ||
| 2 | SVB WEALTH LLC | 20,064 | 1,160,000 | 5.52% | ||
| 3 | CG Asset Management LLC | 17,300 | 1,000,000 | 4.76% | ||
| 4 | New England Research & Management, Inc. | 6,484 | 375,000 | 1.78% | ||
| 5 | ROTHSCHILD INVESTMENT LLC /IL | 5,066 | 293,000 | 1.39% | ||
| 6 | CYPRESS CAPITAL MANAGEMENT LLC | 4,765 | 275,000 | 1.31% |
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.
