COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

Perkins Coie Trust Co's Holding History (CIK: 0001513038)

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

Q4 2025

Shares 4,764 Value ($000) $4,108 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 4,722 Value ($000) $4,371 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 4,799 Value ($000) $4,751 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 4,605 Value ($000) $4,355 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 4,623 Value ($000) $4,236 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 4,675 Value ($000) $4,144 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 4,663 Value ($000) $3,963 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 1,290 Value ($000) $945 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 1,300 Value ($000) $858 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 1,359 Value ($000) $768 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 1,346 Value ($000) $725 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 1,348 Value ($000) $670 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 1,428 Value ($000) $652 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 1,439 Value ($000) $680 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 1,439 Value ($000) $690 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 1,490 Value ($000) $858 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 1,896 Value ($000) $1,076 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 1,958 Value ($000) $880 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 1,993 Value ($000) $789 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 1,993 Value ($000) $702 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 2,080 Value ($000) $784 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 2,109 Value ($000) $749 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 2,984 Value ($000) $905 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 3,114 Value ($000) $888 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 3,107 Value ($000) $913 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 3,259 Value ($000) $939 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 2,319 Value ($000) $613 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 2,606 Value ($000) $631 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 2,606 Value ($000) $531 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 2,606 Value ($000) $612 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 3,041 Value ($000) $636 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 3,489 Value ($000) $657 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 3,390 Value ($000) $631 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 3,528 Value ($000) $580 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 3,528 Value ($000) $564 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 1,840 Value ($000) $309 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 1,970 Value ($000) $315 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 1,822 Value ($000) $278 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 1,822 Value ($000) $286 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 1,872 Value ($000) $295 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 1,872 Value ($000) $302 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 2,282 Value ($000) $330 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 2,282 Value ($000) $308 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 2,379 Value ($000) $360 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 2,013 Value ($000) $285 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 2,113 Value ($000) $265 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 1,150 Value ($000) $132 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 1,150 Value ($000) $128 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 1,200 Value ($000) $143 Avg Close $95.15 Range $87.55 - $100.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,764	$4,108	$905.73	$844.06 - $962.64
Q3 2025	4,722	$4,371	$956.70	$902.01 - $997.89
Q2 2025	4,799	$4,751	$990.72	$868.14 - $1064.10
Q1 2025	4,605	$4,355	$970.56	$877.95 - $1073.82
Q4 2024	4,623	$4,236	$922.64	$861.51 - $1003.02
Q3 2024	4,675	$4,144	$861.91	$787.84 - $917.81
Q2 2024	4,663	$3,963	$773.82	$690.64 - $867.04
Q1 2024	1,290	$945	$706.75	$633.49 - $779.59
Q4 2023	1,300	$858	$573.49	$521.47 - $661.25
Q3 2023	1,359	$768	$532.21	$505.45 - $552.31
Q2 2023	1,346	$725	$487.14	$459.09 - $519.84
Q1 2023	1,348	$670	$471.27	$429.88 - $509.61
Q4 2022	1,428	$652	$468.77	$430.19 - $520.75
Q3 2022	1,439	$680	$498.08	$444.08 - $541.06
Q2 2022	1,439	$690	$484.91	$388.78 - $584.62
Q1 2022	1,490	$858	$500.83	$447.15 - $559.84
Q4 2021	1,896	$1,076	$488.10	$415.17 - $544.86
Q3 2021	1,958	$880	$418.22	$374.22 - $447.84
Q2 2021	1,993	$789	$359.04	$333.36 - $380.48
Q1 2021	1,993	$702	$329.77	$291.05 - $361.01
Q4 2020	2,080	$784	$347.39	$324.71 - $367.18
Q3 2020	2,109	$749	$309.06	$276.17 - $334.67
Q2 2020	2,984	$905	$279.18	$257.36 - $295.59
Q1 2020	3,114	$888	$277.78	$248.54 - $298.00
Q4 2019	3,107	$913	$271.52	$256.90 - $280.77
Q3 2019	3,259	$939	$256.34	$238.19 - $280.38
Q2 2019	2,319	$613	$226.60	$212.14 - $244.81
Q1 2019	2,606	$631	$198.35	$180.94 - $220.09
Q4 2018	2,606	$531	$201.98	$171.58 - $217.57
Q3 2018	2,606	$612	$203.13	$185.65 - $221.43
Q2 2018	3,041	$636	$177.76	$162.55 - $191.42
Q1 2018	3,489	$657	$169.26	$157.50 - $179.09
Q4 2017	3,390	$631	$154.45	$137.67 - $175.03
Q3 2017	3,528	$580	$140.12	$133.57 - $147.68
Q2 2017	3,528	$564	$150.98	$139.41 - $162.71
Q1 2017	1,840	$309	$142.87	$134.91 - $152.51
Q4 2016	1,970	$315	$129.79	$120.95 - $140.39
Q3 2016	1,822	$278	$136.95	$124.90 - $143.90
Q2 2016	1,822	$286	$128.04	$117.26 - $134.37
Q1 2016	1,872	$295	$127.74	$119.17 - $135.67
Q4 2015	1,872	$302	$132.84	$119.34 - $142.82
Q3 2015	2,282	$330	$119.60	$98.22 - $123.53
Q2 2015	2,282	$308	$120.23	$112.77 - $127.67
Q1 2015	2,379	$360	$120.91	$111.40 - $128.73
Q4 2014	2,013	$285	$109.42	$98.12 - $118.34
Q3 2014	2,113	$265	$97.13	$92.09 - $102.72
Q2 2014	1,150	$132	$91.81	$88.18 - $95.25
Q1 2014	1,150	$128	$91.29	$87.26 - $95.07
Q4 2013	1,200	$143	$95.15	$87.55 - $100.50