COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

Ballentine Partners, LLC's Holding History (CIK: 0001374889)

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

Q4 2025

Shares 9,582 Value ($000) $8,263 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 9,932 Value ($000) $9,194 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 10,046 Value ($000) $9,945 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 9,747 Value ($000) $9,219 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 9,645 Value ($000) $8,837 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 9,706 Value ($000) $8,605 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 9,508 Value ($000) $8,082 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 9,008 Value ($000) $6,600 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 9,646 Value ($000) $6,367 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 9,204 Value ($000) $5,200 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 8,199 Value ($000) $4,414 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 8,476 Value ($000) $4,211 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 7,089 Value ($000) $3,236 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 6,614 Value ($000) $3,123 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 5,805 Value ($000) $2,782 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 5,129 Value ($000) $2,953 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 4,834 Value ($000) $2,744 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 4,547 Value ($000) $2,043 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 4,551 Value ($000) $1,801 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 4,899 Value ($000) $1,726 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 4,917 Value ($000) $1,853 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 5,290 Value ($000) $1,877 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 6,610 Value ($000) $2,004 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 7,000 Value ($000) $1,996 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 5,885 Value ($000) $1,730 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 5,986 Value ($000) $1,725 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 5,894 Value ($000) $1,557 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 5,210 Value ($000) $1,262 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 5,147 Value ($000) $1,048 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 5,111 Value ($000) $1,200 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 4,790 Value ($000) $1,001 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 5,226 Value ($000) $986 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 6,131 Value ($000) $1,141 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 6,048 Value ($000) $993 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 8,913 Value ($000) $1,366 Avg Close $150.98 Range $139.41 - $162.71

Q3 2016

Shares 71 Value ($000) $11 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 87 Value ($000) $14 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 47 Value ($000) $7 Avg Close $127.74 Range $119.17 - $135.67

Q4 2014

Shares 2,173 Value ($000) $308 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 2,132 Value ($000) $267 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 2,153 Value ($000) $248 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 2,179 Value ($000) $243 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 2,444 Value ($000) $290 Avg Close $95.15 Range $87.55 - $100.50

Q3 2013

Shares 2,956 Value ($000) $341 Avg Close $91.64 Range $87.25 - $95.29

Q2 2013

Shares 2,440 Value ($000) $270 Avg Close $86.56 Range $81.59 - $91.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	9,582	$8,263	$905.73	$844.06 - $962.64
Q3 2025	9,932	$9,194	$956.70	$902.01 - $997.89
Q2 2025	10,046	$9,945	$990.72	$868.14 - $1064.10
Q1 2025	9,747	$9,219	$970.56	$877.95 - $1073.82
Q4 2024	9,645	$8,837	$922.64	$861.51 - $1003.02
Q3 2024	9,706	$8,605	$861.91	$787.84 - $917.81
Q2 2024	9,508	$8,082	$773.82	$690.64 - $867.04
Q1 2024	9,008	$6,600	$706.75	$633.49 - $779.59
Q4 2023	9,646	$6,367	$573.49	$521.47 - $661.25
Q3 2023	9,204	$5,200	$532.21	$505.45 - $552.31
Q2 2023	8,199	$4,414	$487.14	$459.09 - $519.84
Q1 2023	8,476	$4,211	$471.27	$429.88 - $509.61
Q4 2022	7,089	$3,236	$468.77	$430.19 - $520.75
Q3 2022	6,614	$3,123	$498.08	$444.08 - $541.06
Q2 2022	5,805	$2,782	$484.91	$388.78 - $584.62
Q1 2022	5,129	$2,953	$500.83	$447.15 - $559.84
Q4 2021	4,834	$2,744	$488.10	$415.17 - $544.86
Q3 2021	4,547	$2,043	$418.22	$374.22 - $447.84
Q2 2021	4,551	$1,801	$359.04	$333.36 - $380.48
Q1 2021	4,899	$1,726	$329.77	$291.05 - $361.01
Q4 2020	4,917	$1,853	$347.39	$324.71 - $367.18
Q3 2020	5,290	$1,877	$309.06	$276.17 - $334.67
Q2 2020	6,610	$2,004	$279.18	$257.36 - $295.59
Q1 2020	7,000	$1,996	$277.78	$248.54 - $298.00
Q4 2019	5,885	$1,730	$271.52	$256.90 - $280.77
Q3 2019	5,986	$1,725	$256.34	$238.19 - $280.38
Q2 2019	5,894	$1,557	$226.60	$212.14 - $244.81
Q1 2019	5,210	$1,262	$198.35	$180.94 - $220.09
Q4 2018	5,147	$1,048	$201.98	$171.58 - $217.57
Q3 2018	5,111	$1,200	$203.13	$185.65 - $221.43
Q2 2018	4,790	$1,001	$177.76	$162.55 - $191.42
Q1 2018	5,226	$986	$169.26	$157.50 - $179.09
Q4 2017	6,131	$1,141	$154.45	$137.67 - $175.03
Q3 2017	6,048	$993	$140.12	$133.57 - $147.68
Q2 2017	8,913	$1,366	$150.98	$139.41 - $162.71
Q3 2016	71	$11	$136.95	$124.90 - $143.90
Q2 2016	87	$14	$128.04	$117.26 - $134.37
Q1 2016	47	$7	$127.74	$119.17 - $135.67
Q4 2014	2,173	$308	$109.42	$98.12 - $118.34
Q3 2014	2,132	$267	$97.13	$92.09 - $102.72
Q2 2014	2,153	$248	$91.81	$88.18 - $95.25
Q1 2014	2,179	$243	$91.29	$87.26 - $95.07
Q4 2013	2,444	$290	$95.15	$87.55 - $100.50
Q3 2013	2,956	$341	$91.64	$87.25 - $95.29
Q2 2013	2,440	$270	$86.56	$81.59 - $91.78