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OAKBROOK INVESTMENTS LLC > COST

DateNameTickerSharesChangeValueChangePrice
03/31/2020COSTCO WHOLESALE CORP /NEWCOST2,275-6,587649,000-1,956,000$285.27
12/31/2019COSTCO WHOLESALE CORP /NEWCOST8,862-15,0002,605,000-4,270,000$293.95
09/30/2019COSTCO WHOLESALE CORP /NEWCOST23,862-2,9006,875,000-197,000$288.11
06/30/2019COSTCO WHOLESALE CORP /NEWCOST26,7628,5607,072,0002,665,000$264.26
03/31/2019COSTCO WHOLESALE CORP /NEWCOST18,202-6,0954,407,000-543,000$242.12
12/31/2018COSTCO WHOLESALE CORP /NEWCOST24,29720,8204,950,0004,133,000$203.73
09/30/2018COSTCO WHOLESALE CORP /NEWCOST3,477900817,000278,000$234.97
06/30/2018COSTCO WHOLESALE CORP /NEWCOST2,577-41,323539,000-7,733,000$209.16
03/31/2018COSTCO WHOLESALE CORP /NEWCOST43,90038,5758,272,0007,281,000$188.43
12/31/2017COSTCO WHOLESALE CORP /NEWCOST5,3253,825991,000745,000$186.10
09/30/2017COSTCO WHOLESALE CORP /NEWCOST1,5001,500246,000246,000$164.00
06/30/2017COSTCO WHOLESALE CORP /NEWCOST0-22,9750-3,853,000 
03/31/2017COSTCO WHOLESALE CORP /NEWCOST22,975-4003,853,000110,000$167.70
12/31/2016COSTCO WHOLESALE CORP /NEWCOST23,37523,3753,743,0003,743,000$160.13
09/30/2016COSTCO WHOLESALE CORP /NEWCOST0-1,8000-283,000 
06/30/2016COSTCO WHOLESALE CORP /NEWCOST1,800-158,050283,000-18,127,000$157.22
03/31/2016COSTCO WHOLESALE CORP /NEWCOST24,961-134,8893,933,000-14,477,000$157.57
12/31/2015COSTCO WHOLESALE CORP /NEWCOST25,565-27,3104,129,000-3,515,000$161.51
09/30/2015COSTCO WHOLESALE CORP /NEWCOST52,875-106,9757,644,000-10,766,000$144.57
03/31/2015COSTCO WHOLESALE CORP /NEWCOST0-32,8000-4,649,000 
12/31/2014COSTCO WHOLESALE CORP /NEWCOST32,800-127,0504,649,000-13,761,000$141.74
09/30/2014COSTCO WHOLESALE CORP /NEWCOST69,950-89,9008,766,000-9,644,000$125.32
06/30/2014COSTCO WHOLESALE CORP /NEWCOST0-129,2190-14,431,000 
03/31/2014COSTCO WHOLESALE CORP /NEWCOST129,219-30,63114,431,000-3,979,000$111.68
12/31/2013COSTCO WHOLESALE CORP /NEWCOST81,544-78,3069,705,000-8,705,000$119.02
09/30/2013COSTCO WHOLESALE CORP /NEWCOST159,850159,85018,410,00018,410,000$115.17
06/30/2013COSTCO WHOLESALE CORP /NEWCOST155,375114,60017,180,00012,853,000$110.57
03/31/2013COSTCO WHOLESALE CORP /NEWCOST40,775-186,9004,327,000-18,151,000$106.12
12/31/2012COSTCO WHOLESALE CORP /NEWCOST227,675188,42522,478,00018,547,000$98.73
09/30/2012COSTCO WHOLESALE CORP /NEWCOST39,25024,7503,931,0002,553,000$100.15
06/30/2012COSTCO WHOLESALE CORP /NEWCOST14,50010,9501,378,0001,056,000$95.03
03/31/2012COSTCO WHOLESALE CORP /NEWCOST3,550-10,600322,000-857,000$90.70
12/31/2011COSTCO WHOLESALE CORP /NEWCOST14,1504,6501,179,000399,000$83.32
09/30/2011COSTCO WHOLESALE CORP /NEWCOST9,5006,800780,000561,000$82.11
06/30/2011COSTCO WHOLESALE CORP /NEWCOST2,700-3,150219,000-158,000$81.11
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