Investor
TETRAD CORP
CIK 0000883597 · filed 2026-01-07 · SEC filing
13F book
$1.04B
Positions
3
Largest name
93.0%
Berkshire Hathaway Inc Del
Est. mark
—
Need a prior quarter to estimate
| Name | Ticker | Shares | Value | Weight | Est. mark | Change |
|---|---|---|---|---|---|---|
| Berkshire Hathaway Inc Del | — | 1.92M | $966.7M | 93.0% | — | Held |
| Us Bancorp Del | — | 711.5K | $38M | 3.7% | — | Held |
| Enterprise Prods Partners L | — | 1.1M | $35.3M | 3.4% | — | Held |
Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.