COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 614,618 Value ($000) $530,010 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 476,130 Value ($000) $440,720 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 53,892 Value ($000) $53,350 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 526,275 Value ($000) $497,740 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 270,000 Value ($000) $247,393 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 32,220 Value ($000) $28,564 Avg Close $861.91 Range $787.84 - $917.81

Q1 2024

Shares 124,182 Value ($000) $90,979 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 313,592 Value ($000) $206,996 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 86,000 Value ($000) $48,587 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 225,225 Value ($000) $121,257 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 86,160 Value ($000) $42,810 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 456,875 Value ($000) $208,563 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 288,515 Value ($000) $136,257 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 233,491 Value ($000) $111,907 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 496,846 Value ($000) $286,109 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 67,562 Value ($000) $38,355 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 55,979 Value ($000) $25,154 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 76,550 Value ($000) $30,288 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 658,428 Value ($000) $232,083 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 441,772 Value ($000) $166,451 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 355,564 Value ($000) $126,225 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 240,314 Value ($000) $72,866 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 520,908 Value ($000) $148,527 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 366,115 Value ($000) $107,609 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 611,194 Value ($000) $176,091 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 468,785 Value ($000) $123,881 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 823,515 Value ($000) $199,406 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 339,351 Value ($000) $69,129 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 265,776 Value ($000) $62,425 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 362,306 Value ($000) $75,714 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 133,073 Value ($000) $25,074 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 171,270 Value ($000) $31,877 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 259,810 Value ($000) $42,684 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 414,339 Value ($000) $66,265 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 1,343,287 Value ($000) $225,256 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 2,457,581 Value ($000) $393,483 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 1,671,733 Value ($000) $254,956 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 63,188 Value ($000) $9,923 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 279,684 Value ($000) $44,073 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 953,625 Value ($000) $154,010 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 1,006,291 Value ($000) $145,480 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 112,875 Value ($000) $15,245 Avg Close $120.23 Range $112.77 - $127.67

Q4 2014

Shares 285,438 Value ($000) $40,461 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 1,800,153 Value ($000) $225,595 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 1,381,380 Value ($000) $159,080 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 1,051,187 Value ($000) $117,397 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 984,352 Value ($000) $117,148 Avg Close $95.15 Range $87.55 - $100.50

Q3 2013

Shares 113,512 Value ($000) $13,068 Avg Close $91.64 Range $87.25 - $95.29

Q2 2013

Shares 10,254 Value ($000) $1,134 Avg Close $86.56 Range $81.59 - $91.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	614,618	$530,010	$905.73	$844.06 - $962.64
Q3 2025	476,130	$440,720	$956.70	$902.01 - $997.89
Q2 2025	53,892	$53,350	$990.72	$868.14 - $1064.10
Q1 2025	526,275	$497,740	$970.56	$877.95 - $1073.82
Q4 2024	270,000	$247,393	$922.64	$861.51 - $1003.02
Q3 2024	32,220	$28,564	$861.91	$787.84 - $917.81
Q1 2024	124,182	$90,979	$706.75	$633.49 - $779.59
Q4 2023	313,592	$206,996	$573.49	$521.47 - $661.25
Q3 2023	86,000	$48,587	$532.21	$505.45 - $552.31
Q2 2023	225,225	$121,257	$487.14	$459.09 - $519.84
Q1 2023	86,160	$42,810	$471.27	$429.88 - $509.61
Q4 2022	456,875	$208,563	$468.77	$430.19 - $520.75
Q3 2022	288,515	$136,257	$498.08	$444.08 - $541.06
Q2 2022	233,491	$111,907	$484.91	$388.78 - $584.62
Q1 2022	496,846	$286,109	$500.83	$447.15 - $559.84
Q4 2021	67,562	$38,355	$488.10	$415.17 - $544.86
Q3 2021	55,979	$25,154	$418.22	$374.22 - $447.84
Q2 2021	76,550	$30,288	$359.04	$333.36 - $380.48
Q1 2021	658,428	$232,083	$329.77	$291.05 - $361.01
Q4 2020	441,772	$166,451	$347.39	$324.71 - $367.18
Q3 2020	355,564	$126,225	$309.06	$276.17 - $334.67
Q2 2020	240,314	$72,866	$279.18	$257.36 - $295.59
Q1 2020	520,908	$148,527	$277.78	$248.54 - $298.00
Q4 2019	366,115	$107,609	$271.52	$256.90 - $280.77
Q3 2019	611,194	$176,091	$256.34	$238.19 - $280.38
Q2 2019	468,785	$123,881	$226.60	$212.14 - $244.81
Q1 2019	823,515	$199,406	$198.35	$180.94 - $220.09
Q4 2018	339,351	$69,129	$201.98	$171.58 - $217.57
Q3 2018	265,776	$62,425	$203.13	$185.65 - $221.43
Q2 2018	362,306	$75,714	$177.76	$162.55 - $191.42
Q1 2018	133,073	$25,074	$169.26	$157.50 - $179.09
Q4 2017	171,270	$31,877	$154.45	$137.67 - $175.03
Q3 2017	259,810	$42,684	$140.12	$133.57 - $147.68
Q2 2017	414,339	$66,265	$150.98	$139.41 - $162.71
Q1 2017	1,343,287	$225,256	$142.87	$134.91 - $152.51
Q4 2016	2,457,581	$393,483	$129.79	$120.95 - $140.39
Q3 2016	1,671,733	$254,956	$136.95	$124.90 - $143.90
Q2 2016	63,188	$9,923	$128.04	$117.26 - $134.37
Q1 2016	279,684	$44,073	$127.74	$119.17 - $135.67
Q4 2015	953,625	$154,010	$132.84	$119.34 - $142.82
Q3 2015	1,006,291	$145,480	$119.60	$98.22 - $123.53
Q2 2015	112,875	$15,245	$120.23	$112.77 - $127.67
Q4 2014	285,438	$40,461	$109.42	$98.12 - $118.34
Q3 2014	1,800,153	$225,595	$97.13	$92.09 - $102.72
Q2 2014	1,381,380	$159,080	$91.81	$88.18 - $95.25
Q1 2014	1,051,187	$117,397	$91.29	$87.26 - $95.07
Q4 2013	984,352	$117,148	$95.15	$87.55 - $100.50
Q3 2013	113,512	$13,068	$91.64	$87.25 - $95.29
Q2 2013	10,254	$1,134	$86.56	$81.59 - $91.78