COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

Blume Capital Management, Inc.'s Holding History (CIK: 0001587192)

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

Q4 2025

Shares 5,184 Value ($000) $4,470 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 5,532 Value ($000) $5,121 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 5,695 Value ($000) $5,638 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 5,689 Value ($000) $5,381 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 6,258 Value ($000) $5,734 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 6,397 Value ($000) $5,671 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 6,704 Value ($000) $5,698 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 6,754 Value ($000) $4,948 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 6,864 Value ($000) $4,531 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 6,976 Value ($000) $3,941 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 7,128 Value ($000) $3,838 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 6,622 Value ($000) $3,290 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 6,657 Value ($000) $3,039 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 6,667 Value ($000) $3,149 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 6,680 Value ($000) $3,202 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 7,230 Value ($000) $4,163 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 7,904 Value ($000) $4,487 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 8,207 Value ($000) $3,688 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 8,202 Value ($000) $3,245 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 8,282 Value ($000) $2,919 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 8,362 Value ($000) $3,151 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 8,990 Value ($000) $3,191 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 9,050 Value ($000) $2,744 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 9,260 Value ($000) $2,640 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 9,410 Value ($000) $2,765 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 9,635 Value ($000) $2,775 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 9,745 Value ($000) $2,575 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 9,845 Value ($000) $2,384 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 9,845 Value ($000) $2,006 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 10,100 Value ($000) $2,372 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 10,210 Value ($000) $2,134 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 10,650 Value ($000) $2,006 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 10,985 Value ($000) $2,045 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 11,190 Value ($000) $1,838 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 10,690 Value ($000) $1,710 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 10,740 Value ($000) $1,801 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 11,158 Value ($000) $1,787 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 12,100 Value ($000) $1,845 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 12,785 Value ($000) $2,008 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 12,785 Value ($000) $2,015 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 12,750 Value ($000) $2,059 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 13,950 Value ($000) $2,017 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 13,200 Value ($000) $1,783 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 13,850 Value ($000) $2,098 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 14,050 Value ($000) $1,992 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 13,125 Value ($000) $1,645 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 13,175 Value ($000) $1,517 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 13,175 Value ($000) $1,471 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 13,175 Value ($000) $1,568 Avg Close $95.15 Range $87.55 - $100.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	5,184	$4,470	$905.73	$844.06 - $962.64
Q3 2025	5,532	$5,121	$956.70	$902.01 - $997.89
Q2 2025	5,695	$5,638	$990.72	$868.14 - $1064.10
Q1 2025	5,689	$5,381	$970.56	$877.95 - $1073.82
Q4 2024	6,258	$5,734	$922.64	$861.51 - $1003.02
Q3 2024	6,397	$5,671	$861.91	$787.84 - $917.81
Q2 2024	6,704	$5,698	$773.82	$690.64 - $867.04
Q1 2024	6,754	$4,948	$706.75	$633.49 - $779.59
Q4 2023	6,864	$4,531	$573.49	$521.47 - $661.25
Q3 2023	6,976	$3,941	$532.21	$505.45 - $552.31
Q2 2023	7,128	$3,838	$487.14	$459.09 - $519.84
Q1 2023	6,622	$3,290	$471.27	$429.88 - $509.61
Q4 2022	6,657	$3,039	$468.77	$430.19 - $520.75
Q3 2022	6,667	$3,149	$498.08	$444.08 - $541.06
Q2 2022	6,680	$3,202	$484.91	$388.78 - $584.62
Q1 2022	7,230	$4,163	$500.83	$447.15 - $559.84
Q4 2021	7,904	$4,487	$488.10	$415.17 - $544.86
Q3 2021	8,207	$3,688	$418.22	$374.22 - $447.84
Q2 2021	8,202	$3,245	$359.04	$333.36 - $380.48
Q1 2021	8,282	$2,919	$329.77	$291.05 - $361.01
Q4 2020	8,362	$3,151	$347.39	$324.71 - $367.18
Q3 2020	8,990	$3,191	$309.06	$276.17 - $334.67
Q2 2020	9,050	$2,744	$279.18	$257.36 - $295.59
Q1 2020	9,260	$2,640	$277.78	$248.54 - $298.00
Q4 2019	9,410	$2,765	$271.52	$256.90 - $280.77
Q3 2019	9,635	$2,775	$256.34	$238.19 - $280.38
Q2 2019	9,745	$2,575	$226.60	$212.14 - $244.81
Q1 2019	9,845	$2,384	$198.35	$180.94 - $220.09
Q4 2018	9,845	$2,006	$201.98	$171.58 - $217.57
Q3 2018	10,100	$2,372	$203.13	$185.65 - $221.43
Q2 2018	10,210	$2,134	$177.76	$162.55 - $191.42
Q1 2018	10,650	$2,006	$169.26	$157.50 - $179.09
Q4 2017	10,985	$2,045	$154.45	$137.67 - $175.03
Q3 2017	11,190	$1,838	$140.12	$133.57 - $147.68
Q2 2017	10,690	$1,710	$150.98	$139.41 - $162.71
Q1 2017	10,740	$1,801	$142.87	$134.91 - $152.51
Q4 2016	11,158	$1,787	$129.79	$120.95 - $140.39
Q3 2016	12,100	$1,845	$136.95	$124.90 - $143.90
Q2 2016	12,785	$2,008	$128.04	$117.26 - $134.37
Q1 2016	12,785	$2,015	$127.74	$119.17 - $135.67
Q4 2015	12,750	$2,059	$132.84	$119.34 - $142.82
Q3 2015	13,950	$2,017	$119.60	$98.22 - $123.53
Q2 2015	13,200	$1,783	$120.23	$112.77 - $127.67
Q1 2015	13,850	$2,098	$120.91	$111.40 - $128.73
Q4 2014	14,050	$1,992	$109.42	$98.12 - $118.34
Q3 2014	13,125	$1,645	$97.13	$92.09 - $102.72
Q2 2014	13,175	$1,517	$91.81	$88.18 - $95.25
Q1 2014	13,175	$1,471	$91.29	$87.26 - $95.07
Q4 2013	13,175	$1,568	$95.15	$87.55 - $100.50