annualized rate of return brk.b from 1999 to 2009

Berkshire Hathaway (BRK.B) returned 39.6% between 1999 and 2009.

DATEOPENHIGHLOWCLOSEVOLUME
December 2009
$67.46
$67.46
$65.22
$65.72
35,040,000
November 2009
$65.60
$70.00
$64.82
$67.06
44,670,000
October 2009
$65.63
$67.21
$64.22
$65.66
35,325,000
September 2009
$65.86
$69.00
$63.62
$66.46
29,385,000
August 2009
$64.02
$71.38
$63.10
$65.72
35,825,000
July 2009
$57.94
$64.00
$54.66
$63.61
37,460,000
June 2009
$59.71
$60.54
$54.82
$57.92
29,990,000
May 2009
$61.10
$62.82
$56.92
$59.44
32,400,000
April 2009
$55.30
$63.10
$55.10
$61.30
38,985,000
March 2009
$47.70
$59.78
$45.02
$56.40
56,350,000
February 2009
$57.80
$68.40
$44.82
$51.28
48,975,000
January 2009
$64.10
$68.32
$50.02
$59.78
30,705,000
December 2008
$65.00
$71.20
$60.00
$64.28
37,155,000
November 2008
$76.00
$79.38
$49.02
$69.98
58,805,000
October 2008
$88.20
$94.00
$60.00
$76.80
62,155,000
September 2008
$78.50
$91.90
$76.40
$87.90
36,205,000
August 2008
$76.90
$80.00
$75.10
$78.04
21,225,000
July 2008
$79.64
$81.84
$74.02
$76.58
30,770,000
June 2008
$89.68
$90.40
$79.60
$80.24
23,595,000
May 2008
$89.18
$90.40
$80.70
$89.96
41,065,000
April 2008
$90.00
$90.38
$84.24
$89.14
20,670,000
March 2008
$92.04
$92.40
$84.60
$89.46
22,560,000
February 2008
$91.20
$97.16
$89.34
$93.49
17,780,000
January 2008
$94.80
$96.98
$83.00
$91.00
27,945,000
December 2007
$94.12
$101.18
$87.30
$94.72
26,335,000