when did monolithic power systems go public

Monolithic Power Systems (MPWR) went public on November 19, 2004, when it opened at $7.74.

DATEOPENHIGHLOWCLOSEVOLUME
June 2026
$1,536.08
$1,697.35
$1,473.95
$1,481.05
3,744,544
May 2026
$1,564.56
$1,714.09
$1,412.89
$1,566.21
13,651,900
April 2026
$1,100.75
$1,661.79
$1,071.89
$1,614.41
12,380,700
March 2026
$1,105.87
$1,142.32
$986.03
$1,093.35
12,227,800
February 2026
$1,108.46
$1,253.71
$1,097.81
$1,140.46
13,020,200
January 2026
$925.76
$1,186.29
$924.33
$1,121.91
11,532,700
December 2025
$905.38
$998.81
$891.10
$904.55
16,029,300
November 2025
$1,026.21
$1,036.56
$830.11
$924.75
13,390,400
October 2025
$904.03
$1,119.25
$891.60
$1,001.30
14,587,200
September 2025
$806.70
$932.94
$796.62
$917.25
10,259,600
August 2025
$735.98
$870.30
$707.59
$831.22
13,157,600
July 2025
$725.27
$774.63
$683.14
$707.38
11,659,800
June 2025
$656.32
$739.86
$650.56
$727.41
11,262,400
May 2025
$595.48
$749.31
$590.35
$656.91
15,099,600
April 2025
$570.79
$592.90
$435.55
$588.63
25,175,000
March 2025
$613.02
$646.22
$549.84
$575.61
19,274,900
February 2025
$608.99
$716.60
$590.51
$604.77
18,040,700
January 2025
$597.92
$692.85
$570.53
$630.86
16,999,400
December 2024
$560.10
$636.90
$559.07
$585.66
17,052,400
November 2024
$756.83
$786.81
$540.01
$560.68
27,474,400
October 2024
$910.04
$942.30
$724.88
$749.99
13,883,300
September 2024
$907.23
$937.37
$785.13
$913.16
11,090,200
August 2024
$830.80
$946.59
$719.67
$921.97
13,048,700
July 2024
$796.90
$879.55
$751.00
$851.36
11,786,800
June 2024
$735.07
$843.36
$698.30
$810.51
9,333,700