COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

Calamos Wealth Management LLC's Holding History (CIK: 0001455258)

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

Q4 2025

Shares 8,564 Value ($000) $7,385 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 8,226 Value ($000) $7,614 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 6,560 Value ($000) $6,494 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 6,563 Value ($000) $6,207 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 7,389 Value ($000) $6,770 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 7,269 Value ($000) $6,444 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 6,392 Value ($000) $5,433 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 6,536 Value ($000) $4,789 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 7,041 Value ($000) $4,648 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 7,221 Value ($000) $4,080 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 7,013 Value ($000) $3,776 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 6,911 Value ($000) $3,434 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 6,494 Value ($000) $2,965 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 6,432 Value ($000) $3,038 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 6,893 Value ($000) $3,304 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 7,192 Value ($000) $4,142 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 6,939 Value ($000) $3,939 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 5,851 Value ($000) $2,629 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 6,357 Value ($000) $2,515 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 6,198 Value ($000) $2,185 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 6,055 Value ($000) $2,281 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 5,980 Value ($000) $2,123 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 4,903 Value ($000) $1,487 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 5,289 Value ($000) $1,508 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 5,826 Value ($000) $1,712 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 5,714 Value ($000) $1,646 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 5,711 Value ($000) $1,509 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 6,636 Value ($000) $1,607 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 30,153 Value ($000) $6,142 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 30,776 Value ($000) $7,229 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 33,280 Value ($000) $6,955 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 33,596 Value ($000) $6,331 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 31,659 Value ($000) $5,892 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 4,427 Value ($000) $727 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 4,357 Value ($000) $697 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 9,422 Value ($000) $1,580 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 13,261 Value ($000) $2,123 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 14,428 Value ($000) $2,200 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 15,752 Value ($000) $2,474 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 16,659 Value ($000) $2,625 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 16,791 Value ($000) $2,712 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 17,318 Value ($000) $2,504 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 17,155 Value ($000) $2,317 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 19,022 Value ($000) $2,882 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 18,091 Value ($000) $2,564 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 22,659 Value ($000) $2,840 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 15,329 Value ($000) $1,765 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 15,299 Value ($000) $1,709 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 15,543 Value ($000) $1,850 Avg Close $95.15 Range $87.55 - $100.50

Q3 2013

Shares 15,708 Value ($000) $1,808 Avg Close $91.64 Range $87.25 - $95.29

Q2 2013

Shares 22,057 Value ($000) $2,439 Avg Close $86.56 Range $81.59 - $91.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	8,564	$7,385	$905.73	$844.06 - $962.64
Q3 2025	8,226	$7,614	$956.70	$902.01 - $997.89
Q2 2025	6,560	$6,494	$990.72	$868.14 - $1064.10
Q1 2025	6,563	$6,207	$970.56	$877.95 - $1073.82
Q4 2024	7,389	$6,770	$922.64	$861.51 - $1003.02
Q3 2024	7,269	$6,444	$861.91	$787.84 - $917.81
Q2 2024	6,392	$5,433	$773.82	$690.64 - $867.04
Q1 2024	6,536	$4,789	$706.75	$633.49 - $779.59
Q4 2023	7,041	$4,648	$573.49	$521.47 - $661.25
Q3 2023	7,221	$4,080	$532.21	$505.45 - $552.31
Q2 2023	7,013	$3,776	$487.14	$459.09 - $519.84
Q1 2023	6,911	$3,434	$471.27	$429.88 - $509.61
Q4 2022	6,494	$2,965	$468.77	$430.19 - $520.75
Q3 2022	6,432	$3,038	$498.08	$444.08 - $541.06
Q2 2022	6,893	$3,304	$484.91	$388.78 - $584.62
Q1 2022	7,192	$4,142	$500.83	$447.15 - $559.84
Q4 2021	6,939	$3,939	$488.10	$415.17 - $544.86
Q3 2021	5,851	$2,629	$418.22	$374.22 - $447.84
Q2 2021	6,357	$2,515	$359.04	$333.36 - $380.48
Q1 2021	6,198	$2,185	$329.77	$291.05 - $361.01
Q4 2020	6,055	$2,281	$347.39	$324.71 - $367.18
Q3 2020	5,980	$2,123	$309.06	$276.17 - $334.67
Q2 2020	4,903	$1,487	$279.18	$257.36 - $295.59
Q1 2020	5,289	$1,508	$277.78	$248.54 - $298.00
Q4 2019	5,826	$1,712	$271.52	$256.90 - $280.77
Q3 2019	5,714	$1,646	$256.34	$238.19 - $280.38
Q2 2019	5,711	$1,509	$226.60	$212.14 - $244.81
Q1 2019	6,636	$1,607	$198.35	$180.94 - $220.09
Q4 2018	30,153	$6,142	$201.98	$171.58 - $217.57
Q3 2018	30,776	$7,229	$203.13	$185.65 - $221.43
Q2 2018	33,280	$6,955	$177.76	$162.55 - $191.42
Q1 2018	33,596	$6,331	$169.26	$157.50 - $179.09
Q4 2017	31,659	$5,892	$154.45	$137.67 - $175.03
Q3 2017	4,427	$727	$140.12	$133.57 - $147.68
Q2 2017	4,357	$697	$150.98	$139.41 - $162.71
Q1 2017	9,422	$1,580	$142.87	$134.91 - $152.51
Q4 2016	13,261	$2,123	$129.79	$120.95 - $140.39
Q3 2016	14,428	$2,200	$136.95	$124.90 - $143.90
Q2 2016	15,752	$2,474	$128.04	$117.26 - $134.37
Q1 2016	16,659	$2,625	$127.74	$119.17 - $135.67
Q4 2015	16,791	$2,712	$132.84	$119.34 - $142.82
Q3 2015	17,318	$2,504	$119.60	$98.22 - $123.53
Q2 2015	17,155	$2,317	$120.23	$112.77 - $127.67
Q1 2015	19,022	$2,882	$120.91	$111.40 - $128.73
Q4 2014	18,091	$2,564	$109.42	$98.12 - $118.34
Q3 2014	22,659	$2,840	$97.13	$92.09 - $102.72
Q2 2014	15,329	$1,765	$91.81	$88.18 - $95.25
Q1 2014	15,299	$1,709	$91.29	$87.26 - $95.07
Q4 2013	15,543	$1,850	$95.15	$87.55 - $100.50
Q3 2013	15,708	$1,808	$91.64	$87.25 - $95.29
Q2 2013	22,057	$2,439	$86.56	$81.59 - $91.78