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OBERWEIS ASSET MANAGEMENT INC > MA

DateNameTickerSharesChangeValueChangePrice
06/30/2023Mastercard IncMA945-20371,727,00021,039,000$393,361.90
03/31/2023Mastercard IncMA9650350,688,00015,186,000$363,407.25
12/31/2022Mastercard IncMA9650335,502,000335,228,000$347,670.47
09/30/2022Mastercard IncMA9650274,000-30,000$283.94
06/30/2022Mastercard IncMA96511304,000-37,000$315.03
03/31/2022Mastercard IncMA954-50341,000-20,000$357.44
12/31/2021Mastercard IncMA1,004-290361,000-89,000$359.56
09/30/2021Mastercard IncMA1,294-50450,000-41,000$347.76
06/30/2021Mastercard IncMA1,3440491,00013,000$365.33
03/31/2021Mastercard IncMA1,3440478,000-2,000$355.65
12/31/2020Mastercard IncMA1,3441480,00026,000$357.14
09/30/2020Mastercard IncMA1,343-40454,00045,000$338.05
06/30/2020Mastercard IncMA1,383-360409,000-12,000$295.73
03/31/2020Mastercard IncMA1,743-10421,000-103,000$241.54
12/31/2019Mastercard IncMA1,753-140524,00010,000$298.92
09/30/2019Mastercard IncMA1,8930514,00013,000$271.53
06/30/2019Mastercard IncMA1,8930501,00055,000$264.66
03/31/2019Mastercard IncMA1,8931446,00089,000$235.60
12/31/2018Mastercard IncMA1,892-28357,000-70,000$188.69
09/30/2018Mastercard IncMA1,9200427,00050,000$222.40
06/30/2018Mastercard IncMA1,920-90377,00025,000$196.35
03/31/2018Mastercard IncMA2,0102352,00048,000$175.12
12/31/2017Mastercard IncMA2,008-141304,0001,000$151.39
09/30/2017Mastercard IncMA2,149-100303,00030,000$141.00
06/30/2017Mastercard IncMA2,249101273,00031,000$121.39
03/31/2017Mastercard IncMA2,148-79242,00012,000$112.66
12/31/2016Mastercard IncMA2,2270230,0003,000$103.28
09/30/2016Mastercard IncMA2,227-550227,000-18,000$101.93
06/30/2016Mastercard IncMA2,7770245,000-17,000$88.22
03/31/2016Mastercard IncMA2,7772,777262,000262,000$94.35
12/31/2015Mastercard IncMA2,676-50261,00015,000$97.53
09/30/2015Mastercard IncMA2,7262,726246,000246,000$90.24
06/30/2015Mastercard IncMA2,7261255,00020,000$93.54
03/31/2015Mastercard IncMA2,7252,725235,000235,000$86.24
12/31/2014Mastercard IncMA2,7252,725235,000235,000$86.24
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