COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

FIRST INTERSTATE BANK's Holding History (CIK: 0001125727)

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

Q4 2025

Shares 6,642 Value ($000) $5,728 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 6,862 Value ($000) $6,352 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 6,859 Value ($000) $6,790 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 6,979 Value ($000) $6,601 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 7,288 Value ($000) $6,678 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 7,456 Value ($000) $6,610 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 7,307 Value ($000) $6,211 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 7,451 Value ($000) $5,459 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 7,922 Value ($000) $5,229 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 8,160 Value ($000) $4,610 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 8,564 Value ($000) $4,611 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 8,820 Value ($000) $4,382 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 8,964 Value ($000) $4 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 9,105 Value ($000) $4,300 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 8,645 Value ($000) $4,143 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 13,742 Value ($000) $7,913 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 8,357 Value ($000) $4,744 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 8,305 Value ($000) $3,732 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 8,056 Value ($000) $3,187 Avg Close $359.04 Range $333.36 - $380.48

Q4 2020

Shares 870 Value ($000) $328 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 1,020 Value ($000) $362 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 6,458 Value ($000) $1,958 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 6,448 Value ($000) $1,839 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 6,048 Value ($000) $1,778 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 6,398 Value ($000) $1,843 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 6,643 Value ($000) $1,756 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 6,680 Value ($000) $1,618 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 7,481 Value ($000) $1,524 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 7,637 Value ($000) $1,794 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 8,607 Value ($000) $1,799 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 35,404 Value ($000) $6,671 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 36,986 Value ($000) $6,884 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 37,003 Value ($000) $6,080 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 35,130 Value ($000) $5,618 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 35,820 Value ($000) $6,007 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 39,757 Value ($000) $6,365 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 41,473 Value ($000) $6,325 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 41,451 Value ($000) $6,509 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 41,476 Value ($000) $6,536 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 41,501 Value ($000) $6,702 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 44,050 Value ($000) $6,368 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 39,953 Value ($000) $5,396 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 40,689 Value ($000) $6,165 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 43,193 Value ($000) $6,123 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 43,295 Value ($000) $5,426 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 43,399 Value ($000) $4,998 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 44,389 Value ($000) $4,957 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 44,116 Value ($000) $5,250 Avg Close $95.15 Range $87.55 - $100.50

Q3 2013

Shares 44,712 Value ($000) $5,150 Avg Close $91.64 Range $87.25 - $95.29

Q2 2013

Shares 44,153 Value ($000) $4,882 Avg Close $86.56 Range $81.59 - $91.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,642	$5,728	$905.73	$844.06 - $962.64
Q3 2025	6,862	$6,352	$956.70	$902.01 - $997.89
Q2 2025	6,859	$6,790	$990.72	$868.14 - $1064.10
Q1 2025	6,979	$6,601	$970.56	$877.95 - $1073.82
Q4 2024	7,288	$6,678	$922.64	$861.51 - $1003.02
Q3 2024	7,456	$6,610	$861.91	$787.84 - $917.81
Q2 2024	7,307	$6,211	$773.82	$690.64 - $867.04
Q1 2024	7,451	$5,459	$706.75	$633.49 - $779.59
Q4 2023	7,922	$5,229	$573.49	$521.47 - $661.25
Q3 2023	8,160	$4,610	$532.21	$505.45 - $552.31
Q2 2023	8,564	$4,611	$487.14	$459.09 - $519.84
Q1 2023	8,820	$4,382	$471.27	$429.88 - $509.61
Q4 2022	8,964	$4	$468.77	$430.19 - $520.75
Q3 2022	9,105	$4,300	$498.08	$444.08 - $541.06
Q2 2022	8,645	$4,143	$484.91	$388.78 - $584.62
Q1 2022	13,742	$7,913	$500.83	$447.15 - $559.84
Q4 2021	8,357	$4,744	$488.10	$415.17 - $544.86
Q3 2021	8,305	$3,732	$418.22	$374.22 - $447.84
Q2 2021	8,056	$3,187	$359.04	$333.36 - $380.48
Q4 2020	870	$328	$347.39	$324.71 - $367.18
Q3 2020	1,020	$362	$309.06	$276.17 - $334.67
Q2 2020	6,458	$1,958	$279.18	$257.36 - $295.59
Q1 2020	6,448	$1,839	$277.78	$248.54 - $298.00
Q4 2019	6,048	$1,778	$271.52	$256.90 - $280.77
Q3 2019	6,398	$1,843	$256.34	$238.19 - $280.38
Q2 2019	6,643	$1,756	$226.60	$212.14 - $244.81
Q1 2019	6,680	$1,618	$198.35	$180.94 - $220.09
Q4 2018	7,481	$1,524	$201.98	$171.58 - $217.57
Q3 2018	7,637	$1,794	$203.13	$185.65 - $221.43
Q2 2018	8,607	$1,799	$177.76	$162.55 - $191.42
Q1 2018	35,404	$6,671	$169.26	$157.50 - $179.09
Q4 2017	36,986	$6,884	$154.45	$137.67 - $175.03
Q3 2017	37,003	$6,080	$140.12	$133.57 - $147.68
Q2 2017	35,130	$5,618	$150.98	$139.41 - $162.71
Q1 2017	35,820	$6,007	$142.87	$134.91 - $152.51
Q4 2016	39,757	$6,365	$129.79	$120.95 - $140.39
Q3 2016	41,473	$6,325	$136.95	$124.90 - $143.90
Q2 2016	41,451	$6,509	$128.04	$117.26 - $134.37
Q1 2016	41,476	$6,536	$127.74	$119.17 - $135.67
Q4 2015	41,501	$6,702	$132.84	$119.34 - $142.82
Q3 2015	44,050	$6,368	$119.60	$98.22 - $123.53
Q2 2015	39,953	$5,396	$120.23	$112.77 - $127.67
Q1 2015	40,689	$6,165	$120.91	$111.40 - $128.73
Q4 2014	43,193	$6,123	$109.42	$98.12 - $118.34
Q3 2014	43,295	$5,426	$97.13	$92.09 - $102.72
Q2 2014	43,399	$4,998	$91.81	$88.18 - $95.25
Q1 2014	44,389	$4,957	$91.29	$87.26 - $95.07
Q4 2013	44,116	$5,250	$95.15	$87.55 - $100.50
Q3 2013	44,712	$5,150	$91.64	$87.25 - $95.29
Q2 2013	44,153	$4,882	$86.56	$81.59 - $91.78