COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

PECAUT & CO.'s Holding History (CIK: 0001597200)

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

Q4 2025

Shares 7,037 Value ($000) $6,068 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 7,086 Value ($000) $6,559 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 7,426 Value ($000) $7,352 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 7,446 Value ($000) $7,043 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 7,934 Value ($000) $7,270 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 8,962 Value ($000) $7,945 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 8,964 Value ($000) $7,619 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 9,003 Value ($000) $6,596 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 9,303 Value ($000) $6,141 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 9,303 Value ($000) $5,256 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 9,631 Value ($000) $5,185 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 9,635 Value ($000) $4,788 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 10,135 Value ($000) $4,627 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 10,224 Value ($000) $4,829 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 9,734 Value ($000) $4,665 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 9,754 Value ($000) $5,617 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 9,704 Value ($000) $5,509 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 9,781 Value ($000) $4,395 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 9,831 Value ($000) $3,890 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 9,820 Value ($000) $3,461 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 9,770 Value ($000) $3,681 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 11,770 Value ($000) $4,178 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 11,770 Value ($000) $3,569 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 11,770 Value ($000) $3,356 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 11,770 Value ($000) $3,459 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 11,770 Value ($000) $3,391 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 11,770 Value ($000) $3,110 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 11,750 Value ($000) $2,845 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 11,750 Value ($000) $2,394 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 11,965 Value ($000) $2,810 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 12,015 Value ($000) $2,511 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 12,015 Value ($000) $2,264 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 12,130 Value ($000) $2,258 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 11,785 Value ($000) $1,936 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 12,335 Value ($000) $1,973 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 13,013 Value ($000) $2,182 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 13,135 Value ($000) $2,103 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 13,335 Value ($000) $2,034 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 13,335 Value ($000) $2,094 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 13,385 Value ($000) $2,109 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 13,655 Value ($000) $2,205 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 14,437 Value ($000) $2,087 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 14,437 Value ($000) $1,950 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 15,437 Value ($000) $2,339 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 15,590 Value ($000) $2,210 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 16,990 Value ($000) $2,129 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 16,990 Value ($000) $1,957 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 16,990 Value ($000) $1,897 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 16,990 Value ($000) $2,022 Avg Close $95.15 Range $87.55 - $100.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,037	$6,068	$905.73	$844.06 - $962.64
Q3 2025	7,086	$6,559	$956.70	$902.01 - $997.89
Q2 2025	7,426	$7,352	$990.72	$868.14 - $1064.10
Q1 2025	7,446	$7,043	$970.56	$877.95 - $1073.82
Q4 2024	7,934	$7,270	$922.64	$861.51 - $1003.02
Q3 2024	8,962	$7,945	$861.91	$787.84 - $917.81
Q2 2024	8,964	$7,619	$773.82	$690.64 - $867.04
Q1 2024	9,003	$6,596	$706.75	$633.49 - $779.59
Q4 2023	9,303	$6,141	$573.49	$521.47 - $661.25
Q3 2023	9,303	$5,256	$532.21	$505.45 - $552.31
Q2 2023	9,631	$5,185	$487.14	$459.09 - $519.84
Q1 2023	9,635	$4,788	$471.27	$429.88 - $509.61
Q4 2022	10,135	$4,627	$468.77	$430.19 - $520.75
Q3 2022	10,224	$4,829	$498.08	$444.08 - $541.06
Q2 2022	9,734	$4,665	$484.91	$388.78 - $584.62
Q1 2022	9,754	$5,617	$500.83	$447.15 - $559.84
Q4 2021	9,704	$5,509	$488.10	$415.17 - $544.86
Q3 2021	9,781	$4,395	$418.22	$374.22 - $447.84
Q2 2021	9,831	$3,890	$359.04	$333.36 - $380.48
Q1 2021	9,820	$3,461	$329.77	$291.05 - $361.01
Q4 2020	9,770	$3,681	$347.39	$324.71 - $367.18
Q3 2020	11,770	$4,178	$309.06	$276.17 - $334.67
Q2 2020	11,770	$3,569	$279.18	$257.36 - $295.59
Q1 2020	11,770	$3,356	$277.78	$248.54 - $298.00
Q4 2019	11,770	$3,459	$271.52	$256.90 - $280.77
Q3 2019	11,770	$3,391	$256.34	$238.19 - $280.38
Q2 2019	11,770	$3,110	$226.60	$212.14 - $244.81
Q1 2019	11,750	$2,845	$198.35	$180.94 - $220.09
Q4 2018	11,750	$2,394	$201.98	$171.58 - $217.57
Q3 2018	11,965	$2,810	$203.13	$185.65 - $221.43
Q2 2018	12,015	$2,511	$177.76	$162.55 - $191.42
Q1 2018	12,015	$2,264	$169.26	$157.50 - $179.09
Q4 2017	12,130	$2,258	$154.45	$137.67 - $175.03
Q3 2017	11,785	$1,936	$140.12	$133.57 - $147.68
Q2 2017	12,335	$1,973	$150.98	$139.41 - $162.71
Q1 2017	13,013	$2,182	$142.87	$134.91 - $152.51
Q4 2016	13,135	$2,103	$129.79	$120.95 - $140.39
Q3 2016	13,335	$2,034	$136.95	$124.90 - $143.90
Q2 2016	13,335	$2,094	$128.04	$117.26 - $134.37
Q1 2016	13,385	$2,109	$127.74	$119.17 - $135.67
Q4 2015	13,655	$2,205	$132.84	$119.34 - $142.82
Q3 2015	14,437	$2,087	$119.60	$98.22 - $123.53
Q2 2015	14,437	$1,950	$120.23	$112.77 - $127.67
Q1 2015	15,437	$2,339	$120.91	$111.40 - $128.73
Q4 2014	15,590	$2,210	$109.42	$98.12 - $118.34
Q3 2014	16,990	$2,129	$97.13	$92.09 - $102.72
Q2 2014	16,990	$1,957	$91.81	$88.18 - $95.25
Q1 2014	16,990	$1,897	$91.29	$87.26 - $95.07
Q4 2013	16,990	$2,022	$95.15	$87.55 - $100.50