COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

TOWER BRIDGE ADVISORS's Holding History (CIK: 0001278249)

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

Q4 2025

Shares 10,164 Value ($000) $8,765 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 10,654 Value ($000) $9,862 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 9,707 Value ($000) $9,609 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 9,765 Value ($000) $9,236 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 9,873 Value ($000) $9,046 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 9,760 Value ($000) $8,652 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 10,625 Value ($000) $9,031 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 10,811 Value ($000) $7,920 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 17,289 Value ($000) $11,412 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 17,353 Value ($000) $9,804 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 17,387 Value ($000) $9,361 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 19,404 Value ($000) $9,641 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 19,110 Value ($000) $8,724 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 20,290 Value ($000) $9,582,358 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 20,456 Value ($000) $9,804,152 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 20,391 Value ($000) $11,742,157 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 20,576 Value ($000) $11,680,995 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 20,786 Value ($000) $9,340,189 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 20,876 Value ($000) $8,260,007 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 20,532 Value ($000) $7,237,119 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 9,804 Value ($000) $3,693,951 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 8,654 Value ($000) $3,072,170 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 8,719 Value ($000) $2,643,712 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 8,574 Value ($000) $2,444,727 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 8,474 Value ($000) $2,490,701 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 8,193 Value ($000) $2,479,390 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 8,178 Value ($000) $2,161,118 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 8,153 Value ($000) $1,974,167 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 8,073 Value ($000) $1,644,551 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 8,128 Value ($000) $1,909,105 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 8,028 Value ($000) $1,677,691 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 7,981 Value ($000) $1,503,860 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 8,648 Value ($000) $1,609,566 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 8,658 Value ($000) $1,422,423 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 8,658 Value ($000) $1,384,674 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 9,658 Value ($000) $1,619,550 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 9,658 Value ($000) $1,546,342 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 10,032 Value ($000) $1,529,980 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 11,032 Value ($000) $1,732,465 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 11,032 Value ($000) $1,738,423 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 10,982 Value ($000) $1,773,593 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 11,382 Value ($000) $1,645,496 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 11,457 Value ($000) $1,547,382 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 11,382 Value ($000) $1,724,316 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 11,158 Value ($000) $1,581,647 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 11,382 Value ($000) $1,426,392 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 10,882 Value ($000) $1,253,171 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 8,782 Value ($000) $980,774 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 8,782 Value ($000) $1,045,234 Avg Close $95.15 Range $87.55 - $100.50

Q3 2013

Shares 8,782 Value ($000) $1,011,423 Avg Close $91.64 Range $87.25 - $95.29

Q2 2013

Shares 8,674 Value ($000) $959,084 Avg Close $86.56 Range $81.59 - $91.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,164	$8,765	$905.73	$844.06 - $962.64
Q3 2025	10,654	$9,862	$956.70	$902.01 - $997.89
Q2 2025	9,707	$9,609	$990.72	$868.14 - $1064.10
Q1 2025	9,765	$9,236	$970.56	$877.95 - $1073.82
Q4 2024	9,873	$9,046	$922.64	$861.51 - $1003.02
Q3 2024	9,760	$8,652	$861.91	$787.84 - $917.81
Q2 2024	10,625	$9,031	$773.82	$690.64 - $867.04
Q1 2024	10,811	$7,920	$706.75	$633.49 - $779.59
Q4 2023	17,289	$11,412	$573.49	$521.47 - $661.25
Q3 2023	17,353	$9,804	$532.21	$505.45 - $552.31
Q2 2023	17,387	$9,361	$487.14	$459.09 - $519.84
Q1 2023	19,404	$9,641	$471.27	$429.88 - $509.61
Q4 2022	19,110	$8,724	$468.77	$430.19 - $520.75
Q3 2022	20,290	$9,582,358	$498.08	$444.08 - $541.06
Q2 2022	20,456	$9,804,152	$484.91	$388.78 - $584.62
Q1 2022	20,391	$11,742,157	$500.83	$447.15 - $559.84
Q4 2021	20,576	$11,680,995	$488.10	$415.17 - $544.86
Q3 2021	20,786	$9,340,189	$418.22	$374.22 - $447.84
Q2 2021	20,876	$8,260,007	$359.04	$333.36 - $380.48
Q1 2021	20,532	$7,237,119	$329.77	$291.05 - $361.01
Q4 2020	9,804	$3,693,951	$347.39	$324.71 - $367.18
Q3 2020	8,654	$3,072,170	$309.06	$276.17 - $334.67
Q2 2020	8,719	$2,643,712	$279.18	$257.36 - $295.59
Q1 2020	8,574	$2,444,727	$277.78	$248.54 - $298.00
Q4 2019	8,474	$2,490,701	$271.52	$256.90 - $280.77
Q3 2019	8,193	$2,479,390	$256.34	$238.19 - $280.38
Q2 2019	8,178	$2,161,118	$226.60	$212.14 - $244.81
Q1 2019	8,153	$1,974,167	$198.35	$180.94 - $220.09
Q4 2018	8,073	$1,644,551	$201.98	$171.58 - $217.57
Q3 2018	8,128	$1,909,105	$203.13	$185.65 - $221.43
Q2 2018	8,028	$1,677,691	$177.76	$162.55 - $191.42
Q1 2018	7,981	$1,503,860	$169.26	$157.50 - $179.09
Q4 2017	8,648	$1,609,566	$154.45	$137.67 - $175.03
Q3 2017	8,658	$1,422,423	$140.12	$133.57 - $147.68
Q2 2017	8,658	$1,384,674	$150.98	$139.41 - $162.71
Q1 2017	9,658	$1,619,550	$142.87	$134.91 - $152.51
Q4 2016	9,658	$1,546,342	$129.79	$120.95 - $140.39
Q3 2016	10,032	$1,529,980	$136.95	$124.90 - $143.90
Q2 2016	11,032	$1,732,465	$128.04	$117.26 - $134.37
Q1 2016	11,032	$1,738,423	$127.74	$119.17 - $135.67
Q4 2015	10,982	$1,773,593	$132.84	$119.34 - $142.82
Q3 2015	11,382	$1,645,496	$119.60	$98.22 - $123.53
Q2 2015	11,457	$1,547,382	$120.23	$112.77 - $127.67
Q1 2015	11,382	$1,724,316	$120.91	$111.40 - $128.73
Q4 2014	11,158	$1,581,647	$109.42	$98.12 - $118.34
Q3 2014	11,382	$1,426,392	$97.13	$92.09 - $102.72
Q2 2014	10,882	$1,253,171	$91.81	$88.18 - $95.25
Q1 2014	8,782	$980,774	$91.29	$87.26 - $95.07
Q4 2013	8,782	$1,045,234	$95.15	$87.55 - $100.50
Q3 2013	8,782	$1,011,423	$91.64	$87.25 - $95.29
Q2 2013	8,674	$959,084	$86.56	$81.59 - $91.78