COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

WEATHERLY ASSET MANAGEMENT L. P.'s Holding History (CIK: 0000934745)

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

Q4 2025

Shares 27,986 Value ($000) $24,134 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 28,000 Value ($000) $25,918 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 28,258 Value ($000) $27,974 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 28,778 Value ($000) $27,218 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 28,897 Value ($000) $26,478 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 29,302 Value ($000) $25,977 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 29,256 Value ($000) $24,867 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 29,154 Value ($000) $21,359 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 29,197 Value ($000) $19,705 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 29,275 Value ($000) $16,539 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 29,713 Value ($000) $15,997 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 29,140 Value ($000) $14,479 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 29,326 Value ($000) $13,387 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 30,025 Value ($000) $14,180 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 30,490 Value ($000) $14,613 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 31,465 Value ($000) $18,119 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 31,340 Value ($000) $17,792 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 31,312 Value ($000) $14,070 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 30,962 Value ($000) $12,251 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 31,297 Value ($000) $11,031 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 31,291 Value ($000) $11,790 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 31,429 Value ($000) $11,157 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 30,606 Value ($000) $9,280 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 28,776 Value ($000) $8,205 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 25,962 Value ($000) $7,631 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 21,375 Value ($000) $6,158 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 17,932 Value ($000) $4,739 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 13,308 Value ($000) $3,222 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 11,873 Value ($000) $2,419 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 11,233 Value ($000) $2,639 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 11,110 Value ($000) $2,322 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 11,300 Value ($000) $2,129 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 11,350 Value ($000) $2,112 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 11,400 Value ($000) $1,873 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 11,400 Value ($000) $1,823 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 11,399 Value ($000) $1,912 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 11,989 Value ($000) $1,920 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 12,189 Value ($000) $1,859 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 12,469 Value ($000) $1,958 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 12,463 Value ($000) $1,964 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 12,095 Value ($000) $1,953 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 12,194 Value ($000) $1,762 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 12,219 Value ($000) $1,650 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 12,606 Value ($000) $1,909 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 13,366 Value ($000) $1,895 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 13,754 Value ($000) $1,724 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 14,003 Value ($000) $1,613 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 13,748 Value ($000) $1,535 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 15,225 Value ($000) $1,812 Avg Close $95.15 Range $87.55 - $100.50

Q3 2013

Shares 17,178 Value ($000) $1,978 Avg Close $91.64 Range $87.25 - $95.29

Q2 2013

Shares 16,938 Value ($000) $1,873 Avg Close $86.56 Range $81.59 - $91.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	27,986	$24,134	$905.73	$844.06 - $962.64
Q3 2025	28,000	$25,918	$956.70	$902.01 - $997.89
Q2 2025	28,258	$27,974	$990.72	$868.14 - $1064.10
Q1 2025	28,778	$27,218	$970.56	$877.95 - $1073.82
Q4 2024	28,897	$26,478	$922.64	$861.51 - $1003.02
Q3 2024	29,302	$25,977	$861.91	$787.84 - $917.81
Q2 2024	29,256	$24,867	$773.82	$690.64 - $867.04
Q1 2024	29,154	$21,359	$706.75	$633.49 - $779.59
Q4 2023	29,197	$19,705	$573.49	$521.47 - $661.25
Q3 2023	29,275	$16,539	$532.21	$505.45 - $552.31
Q2 2023	29,713	$15,997	$487.14	$459.09 - $519.84
Q1 2023	29,140	$14,479	$471.27	$429.88 - $509.61
Q4 2022	29,326	$13,387	$468.77	$430.19 - $520.75
Q3 2022	30,025	$14,180	$498.08	$444.08 - $541.06
Q2 2022	30,490	$14,613	$484.91	$388.78 - $584.62
Q1 2022	31,465	$18,119	$500.83	$447.15 - $559.84
Q4 2021	31,340	$17,792	$488.10	$415.17 - $544.86
Q3 2021	31,312	$14,070	$418.22	$374.22 - $447.84
Q2 2021	30,962	$12,251	$359.04	$333.36 - $380.48
Q1 2021	31,297	$11,031	$329.77	$291.05 - $361.01
Q4 2020	31,291	$11,790	$347.39	$324.71 - $367.18
Q3 2020	31,429	$11,157	$309.06	$276.17 - $334.67
Q2 2020	30,606	$9,280	$279.18	$257.36 - $295.59
Q1 2020	28,776	$8,205	$277.78	$248.54 - $298.00
Q4 2019	25,962	$7,631	$271.52	$256.90 - $280.77
Q3 2019	21,375	$6,158	$256.34	$238.19 - $280.38
Q2 2019	17,932	$4,739	$226.60	$212.14 - $244.81
Q1 2019	13,308	$3,222	$198.35	$180.94 - $220.09
Q4 2018	11,873	$2,419	$201.98	$171.58 - $217.57
Q3 2018	11,233	$2,639	$203.13	$185.65 - $221.43
Q2 2018	11,110	$2,322	$177.76	$162.55 - $191.42
Q1 2018	11,300	$2,129	$169.26	$157.50 - $179.09
Q4 2017	11,350	$2,112	$154.45	$137.67 - $175.03
Q3 2017	11,400	$1,873	$140.12	$133.57 - $147.68
Q2 2017	11,400	$1,823	$150.98	$139.41 - $162.71
Q1 2017	11,399	$1,912	$142.87	$134.91 - $152.51
Q4 2016	11,989	$1,920	$129.79	$120.95 - $140.39
Q3 2016	12,189	$1,859	$136.95	$124.90 - $143.90
Q2 2016	12,469	$1,958	$128.04	$117.26 - $134.37
Q1 2016	12,463	$1,964	$127.74	$119.17 - $135.67
Q4 2015	12,095	$1,953	$132.84	$119.34 - $142.82
Q3 2015	12,194	$1,762	$119.60	$98.22 - $123.53
Q2 2015	12,219	$1,650	$120.23	$112.77 - $127.67
Q1 2015	12,606	$1,909	$120.91	$111.40 - $128.73
Q4 2014	13,366	$1,895	$109.42	$98.12 - $118.34
Q3 2014	13,754	$1,724	$97.13	$92.09 - $102.72
Q2 2014	14,003	$1,613	$91.81	$88.18 - $95.25
Q1 2014	13,748	$1,535	$91.29	$87.26 - $95.07
Q4 2013	15,225	$1,812	$95.15	$87.55 - $100.50
Q3 2013	17,178	$1,978	$91.64	$87.25 - $95.29
Q2 2013	16,938	$1,873	$86.56	$81.59 - $91.78