COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

MIDDLETON & CO INC/MA's Holding History (CIK: 0000919497)

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

Q4 2025

Shares 24,665 Value ($000) $21,270 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 24,508 Value ($000) $22,685 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 25,144 Value ($000) $24,891 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 26,432 Value ($000) $24,999 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 27,434 Value ($000) $25,137 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 28,080 Value ($000) $24,893 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 29,013 Value ($000) $24,661 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 30,496 Value ($000) $22,342 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 31,403 Value ($000) $20,728 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 31,920 Value ($000) $18,034 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 31,924 Value ($000) $17,187 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 31,808 Value ($000) $15,804 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 31,522 Value ($000) $14,390 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 31,633 Value ($000) $14,939 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 35,222 Value ($000) $16,881 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 36,138 Value ($000) $20,810 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 36,459 Value ($000) $20,698 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 36,942 Value ($000) $16,600 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 37,853 Value ($000) $14,977 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 42,804 Value ($000) $15,088 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 43,904 Value ($000) $16,542 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 44,993 Value ($000) $15,973 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 44,945 Value ($000) $13,628 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 45,431 Value ($000) $12,954 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 46,418 Value ($000) $13,643 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 45,933 Value ($000) $13,234 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 44,797 Value ($000) $11,838 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 45,442 Value ($000) $11,003 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 44,257 Value ($000) $9,016 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 51,003 Value ($000) $11,980 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 49,738 Value ($000) $10,394 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 53,143 Value ($000) $10,014 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 57,838 Value ($000) $10,765 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 57,247 Value ($000) $9,405 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 53,435 Value ($000) $8,546 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 45,561 Value ($000) $7,640 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 47,285 Value ($000) $7,571 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 52,073 Value ($000) $7,942 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 52,022 Value ($000) $8,170 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 52,248 Value ($000) $8,233 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 51,860 Value ($000) $8,375 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 52,680 Value ($000) $7,616 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 51,809 Value ($000) $6,997 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 51,269 Value ($000) $7,767 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 51,186 Value ($000) $7,256 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 51,441 Value ($000) $6,447 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 51,581 Value ($000) $5,940 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 51,022 Value ($000) $5,698 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 52,938 Value ($000) $6,301 Avg Close $95.15 Range $87.55 - $100.50

Q3 2013

Shares 52,788 Value ($000) $6,080 Avg Close $91.64 Range $87.25 - $95.29

Q2 2013

Shares 56,328 Value ($000) $6,228 Avg Close $86.56 Range $81.59 - $91.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	24,665	$21,270	$905.73	$844.06 - $962.64
Q3 2025	24,508	$22,685	$956.70	$902.01 - $997.89
Q2 2025	25,144	$24,891	$990.72	$868.14 - $1064.10
Q1 2025	26,432	$24,999	$970.56	$877.95 - $1073.82
Q4 2024	27,434	$25,137	$922.64	$861.51 - $1003.02
Q3 2024	28,080	$24,893	$861.91	$787.84 - $917.81
Q2 2024	29,013	$24,661	$773.82	$690.64 - $867.04
Q1 2024	30,496	$22,342	$706.75	$633.49 - $779.59
Q4 2023	31,403	$20,728	$573.49	$521.47 - $661.25
Q3 2023	31,920	$18,034	$532.21	$505.45 - $552.31
Q2 2023	31,924	$17,187	$487.14	$459.09 - $519.84
Q1 2023	31,808	$15,804	$471.27	$429.88 - $509.61
Q4 2022	31,522	$14,390	$468.77	$430.19 - $520.75
Q3 2022	31,633	$14,939	$498.08	$444.08 - $541.06
Q2 2022	35,222	$16,881	$484.91	$388.78 - $584.62
Q1 2022	36,138	$20,810	$500.83	$447.15 - $559.84
Q4 2021	36,459	$20,698	$488.10	$415.17 - $544.86
Q3 2021	36,942	$16,600	$418.22	$374.22 - $447.84
Q2 2021	37,853	$14,977	$359.04	$333.36 - $380.48
Q1 2021	42,804	$15,088	$329.77	$291.05 - $361.01
Q4 2020	43,904	$16,542	$347.39	$324.71 - $367.18
Q3 2020	44,993	$15,973	$309.06	$276.17 - $334.67
Q2 2020	44,945	$13,628	$279.18	$257.36 - $295.59
Q1 2020	45,431	$12,954	$277.78	$248.54 - $298.00
Q4 2019	46,418	$13,643	$271.52	$256.90 - $280.77
Q3 2019	45,933	$13,234	$256.34	$238.19 - $280.38
Q2 2019	44,797	$11,838	$226.60	$212.14 - $244.81
Q1 2019	45,442	$11,003	$198.35	$180.94 - $220.09
Q4 2018	44,257	$9,016	$201.98	$171.58 - $217.57
Q3 2018	51,003	$11,980	$203.13	$185.65 - $221.43
Q2 2018	49,738	$10,394	$177.76	$162.55 - $191.42
Q1 2018	53,143	$10,014	$169.26	$157.50 - $179.09
Q4 2017	57,838	$10,765	$154.45	$137.67 - $175.03
Q3 2017	57,247	$9,405	$140.12	$133.57 - $147.68
Q2 2017	53,435	$8,546	$150.98	$139.41 - $162.71
Q1 2017	45,561	$7,640	$142.87	$134.91 - $152.51
Q4 2016	47,285	$7,571	$129.79	$120.95 - $140.39
Q3 2016	52,073	$7,942	$136.95	$124.90 - $143.90
Q2 2016	52,022	$8,170	$128.04	$117.26 - $134.37
Q1 2016	52,248	$8,233	$127.74	$119.17 - $135.67
Q4 2015	51,860	$8,375	$132.84	$119.34 - $142.82
Q3 2015	52,680	$7,616	$119.60	$98.22 - $123.53
Q2 2015	51,809	$6,997	$120.23	$112.77 - $127.67
Q1 2015	51,269	$7,767	$120.91	$111.40 - $128.73
Q4 2014	51,186	$7,256	$109.42	$98.12 - $118.34
Q3 2014	51,441	$6,447	$97.13	$92.09 - $102.72
Q2 2014	51,581	$5,940	$91.81	$88.18 - $95.25
Q1 2014	51,022	$5,698	$91.29	$87.26 - $95.07
Q4 2013	52,938	$6,301	$95.15	$87.55 - $100.50
Q3 2013	52,788	$6,080	$91.64	$87.25 - $95.29
Q2 2013	56,328	$6,228	$86.56	$81.59 - $91.78