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Mueller Industries Inc

$MLI
Last close: $27.42(2005-12-31)BRK current position: 784,500 shares ($0.02B as of 2005-12-31)Quarters with activity: 11CUSIP: 624756102
Delisted or non-tradable security. No daily market prices available for MLI. 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
MLI (indexed, 1× = first visible date)Shares held (right axis)
0.8×1.2×1.4×2000200120022003200420050804K2M2M3MINITBuffettMungerGPT.com

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

QuarterSharesΔ SharesActionValue (USD)13F
2005-12-31784,500-67,300trimmed$21.5MView
2005-09-30851,800held$23.7MView
2005-06-30851,800held$23.1MView
2005-03-31851,800-510,100trimmed$24MView
2004-12-311,361,900held$43.9MView
2004-09-301,361,900-567,900trimmed$58.5MView
2004-06-301,929,800-517,100trimmed$69.1MView
2004-03-312,446,900held$83.2MView
2003-12-312,446,900-34,000trimmed$84.1MView
2003-09-302,480,900held$63.1MView
2003-06-302,480,900held$67.3MView
2003-03-312,480,900held$61.9MView
2002-12-312,480,900held$67.6MView
2002-09-302,480,900held$64.3MView
2002-06-302,480,900-566,000trimmed$78.8MView
2002-03-313,046,900-170,000trimmed$106.6MView
2001-12-313,216,900held$107MView
2001-09-303,216,900held$92.3MView
2001-06-303,216,900held$105.9MView
2001-03-313,216,900-200trimmed$96.6MView
2000-12-313,217,100+748,100added$86.3MView
2000-09-302,469,000+1,959,800added$55.4MView
2000-06-30509,200+509,200initiated$14.3MView

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).