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UNION PAC CORP
$UNPLast close: $58.35(2009-09-30)BRK current position: 9,558,000 shares ($0.56B as of 2009-09-30)Quarters with activity: 3CUSIP: 907818108
Delisted or non-tradable security. No daily market prices available for UNP. The chart below uses the IMPLIED price from each 13F filing (value ÷ shares), which gives one datapoint per quarter rather than a continuous price line. Buy/sell markers and the position-history table still reflect Berkshire's actual transactions.
Price history with Berkshire transactions
InitiatedAddedTrimmedExited
UNP (indexed, 1× = first visible date)Shares held (right axis)
Hover for daily price. Triangle markers show quarter-end Berkshire buy (▲ green) / sell (▼ orange/red) events from 13F-HR filings. Quarter-level granularity only — actual trade dates are not disclosed.
Berkshire's quarterly position history
| Quarter | Shares | Δ Shares | Action | Value (USD) | 13F |
|---|---|---|---|---|---|
| 2009-09-30 | 9,558,000 | — | held | $557.7M | View |
| 2009-06-30 | 9,558,000 | — | held | $497.6M | View |
| 2009-03-31 | 9,558,000 | +652,000 | added | $392.9M | View |
| 2008-12-31 | 8,906,000 | — | held | $425.7M | View |
| 2008-09-30 | 8,906,000 | — | held | $633.8M | View |
| 2008-06-30 | 8,906,000 | — | held | $672.4M | View |
| 2008-03-31 | 8,906,000 | — | held | $558.3M | View |
| 2007-12-31 | 8,906,000 | — | held | $559.4M | View |
| 2007-09-30 | 8,906,000 | -12,120,200 | trimmed | $503.5M | View |
| 2007-03-31 | 21,026,200 | +21,026,200 | initiated | $1,067.6M | View |
Prices via Yahoo Finance. Berkshire position data from quarterly 13F-HR filings. 13F has a ~45-day filing lag and only covers long US-listed equity positions. Cost basis below is approximated from the quarter-end value at which shares were added (FIFO).