Investor
TETRAD CORP
CIK 0000883597 · filed 2026-04-09 · SEC filing
13F book
$1B
Positions
3
Largest name
92.1%
Berkshire Hathaway Inc Del
Est. mark
−$39.7M
Price effect on 3 names still held. Flow −$80K.
| Name | Ticker | Shares | Value | Weight | Est. mark | Change |
|---|---|---|---|---|---|---|
| Berkshire Hathaway Inc Del | — | 1.92M | $921.6M | 92.1% | −$45.1M | Held |
| Enterprise Prods Partners L | — | 1.1M | $41.6M | 4.2% | $6.36M | Held |
| Us Bancorp Del | — | 710K | $36.9M | 3.7% | −$958.5K | Cut−$1.04M |
Positions as of Q1 2026. 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.