COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

SEMPER AUGUSTUS INVESTMENTS GROUP LLC's Holding History (CIK: 0001115373)

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

Q4 2025

Shares 3,447 Value ($000) $2,972 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 3,435 Value ($000) $3,180 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 3,768 Value ($000) $3,730 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 4,245 Value ($000) $4,015 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 4,350 Value ($000) $3,986 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 4,330 Value ($000) $3,839 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 4,330 Value ($000) $3,680 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 4,355 Value ($000) $3,191 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 4,341 Value ($000) $2,865 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 3,984 Value ($000) $2,251 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 4,172 Value ($000) $2,246 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 4,269 Value ($000) $2,121 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 4,969 Value ($000) $2,268 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 5,119 Value ($000) $2,418 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 5,119 Value ($000) $2,453 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 5,166 Value ($000) $2,975 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 5,500 Value ($000) $3,122 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 5,507 Value ($000) $2,475 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 6,750 Value ($000) $2,671 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 6,760 Value ($000) $2,383 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 6,760 Value ($000) $2,547 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 17,238 Value ($000) $6,119 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 19,161 Value ($000) $5,810 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 19,316 Value ($000) $5,508 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 19,319 Value ($000) $5,678 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 19,619 Value ($000) $5,652 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 19,530 Value ($000) $5,161 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 19,516 Value ($000) $4,726 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 19,516 Value ($000) $3,976 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 19,816 Value ($000) $4,654 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 19,816 Value ($000) $4,141 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 19,851 Value ($000) $3,741 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 20,251 Value ($000) $3,769 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 20,251 Value ($000) $3,327 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 20,251 Value ($000) $3,239 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 20,251 Value ($000) $3,396 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 20,251 Value ($000) $3,242 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 20,302 Value ($000) $3,096 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 20,302 Value ($000) $3,188 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 20,302 Value ($000) $3,199 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 20,302 Value ($000) $3,279 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 20,302 Value ($000) $2,935 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 20,402 Value ($000) $2,755 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 20,402 Value ($000) $3,091 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 20,402 Value ($000) $2,892 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 20,502 Value ($000) $2,569 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 20,502 Value ($000) $2,361 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 20,502 Value ($000) $2,290 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 20,502 Value ($000) $2,440 Avg Close $95.15 Range $87.55 - $100.50

Q3 2013

Shares 20,502 Value ($000) $2,361 Avg Close $91.64 Range $87.25 - $95.29

Q2 2013

Shares 20,502 Value ($000) $2,267 Avg Close $86.56 Range $81.59 - $91.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,447	$2,972	$905.73	$844.06 - $962.64
Q3 2025	3,435	$3,180	$956.70	$902.01 - $997.89
Q2 2025	3,768	$3,730	$990.72	$868.14 - $1064.10
Q1 2025	4,245	$4,015	$970.56	$877.95 - $1073.82
Q4 2024	4,350	$3,986	$922.64	$861.51 - $1003.02
Q3 2024	4,330	$3,839	$861.91	$787.84 - $917.81
Q2 2024	4,330	$3,680	$773.82	$690.64 - $867.04
Q1 2024	4,355	$3,191	$706.75	$633.49 - $779.59
Q4 2023	4,341	$2,865	$573.49	$521.47 - $661.25
Q3 2023	3,984	$2,251	$532.21	$505.45 - $552.31
Q2 2023	4,172	$2,246	$487.14	$459.09 - $519.84
Q1 2023	4,269	$2,121	$471.27	$429.88 - $509.61
Q4 2022	4,969	$2,268	$468.77	$430.19 - $520.75
Q3 2022	5,119	$2,418	$498.08	$444.08 - $541.06
Q2 2022	5,119	$2,453	$484.91	$388.78 - $584.62
Q1 2022	5,166	$2,975	$500.83	$447.15 - $559.84
Q4 2021	5,500	$3,122	$488.10	$415.17 - $544.86
Q3 2021	5,507	$2,475	$418.22	$374.22 - $447.84
Q2 2021	6,750	$2,671	$359.04	$333.36 - $380.48
Q1 2021	6,760	$2,383	$329.77	$291.05 - $361.01
Q4 2020	6,760	$2,547	$347.39	$324.71 - $367.18
Q3 2020	17,238	$6,119	$309.06	$276.17 - $334.67
Q2 2020	19,161	$5,810	$279.18	$257.36 - $295.59
Q1 2020	19,316	$5,508	$277.78	$248.54 - $298.00
Q4 2019	19,319	$5,678	$271.52	$256.90 - $280.77
Q3 2019	19,619	$5,652	$256.34	$238.19 - $280.38
Q2 2019	19,530	$5,161	$226.60	$212.14 - $244.81
Q1 2019	19,516	$4,726	$198.35	$180.94 - $220.09
Q4 2018	19,516	$3,976	$201.98	$171.58 - $217.57
Q3 2018	19,816	$4,654	$203.13	$185.65 - $221.43
Q2 2018	19,816	$4,141	$177.76	$162.55 - $191.42
Q1 2018	19,851	$3,741	$169.26	$157.50 - $179.09
Q4 2017	20,251	$3,769	$154.45	$137.67 - $175.03
Q3 2017	20,251	$3,327	$140.12	$133.57 - $147.68
Q2 2017	20,251	$3,239	$150.98	$139.41 - $162.71
Q1 2017	20,251	$3,396	$142.87	$134.91 - $152.51
Q4 2016	20,251	$3,242	$129.79	$120.95 - $140.39
Q3 2016	20,302	$3,096	$136.95	$124.90 - $143.90
Q2 2016	20,302	$3,188	$128.04	$117.26 - $134.37
Q1 2016	20,302	$3,199	$127.74	$119.17 - $135.67
Q4 2015	20,302	$3,279	$132.84	$119.34 - $142.82
Q3 2015	20,302	$2,935	$119.60	$98.22 - $123.53
Q2 2015	20,402	$2,755	$120.23	$112.77 - $127.67
Q1 2015	20,402	$3,091	$120.91	$111.40 - $128.73
Q4 2014	20,402	$2,892	$109.42	$98.12 - $118.34
Q3 2014	20,502	$2,569	$97.13	$92.09 - $102.72
Q2 2014	20,502	$2,361	$91.81	$88.18 - $95.25
Q1 2014	20,502	$2,290	$91.29	$87.26 - $95.07
Q4 2013	20,502	$2,440	$95.15	$87.55 - $100.50
Q3 2013	20,502	$2,361	$91.64	$87.25 - $95.29
Q2 2013	20,502	$2,267	$86.56	$81.59 - $91.78