COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

HARTLINE INVESTMENT CORP/'s Holding History (CIK: 0000945625)

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

Q4 2025

Shares 9,432 Value ($000) $8,134 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 9,467 Value ($000) $8,763 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 9,717 Value ($000) $9,619 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 9,717 Value ($000) $9,190 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 9,978 Value ($000) $9,143 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 10,028 Value ($000) $8,890 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 10,012 Value ($000) $8,510 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 3,446 Value ($000) $2,524 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 9,993 Value ($000) $6,596 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 9,993 Value ($000) $5,646 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 9,990 Value ($000) $5,378 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 9,811 Value ($000) $4,875 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 9,793 Value ($000) $4,471 Avg Close $468.77 Range $430.19 - $520.75

Q2 2022

Shares 11,575 Value ($000) $4,361 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 11,530 Value ($000) $4,562 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 10,029 Value ($000) $5,693 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 11,530 Value ($000) $5,181 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 11,530 Value ($000) $4,562 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 11,520 Value ($000) $4,061 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 11,575 Value ($000) $4,361 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 11,585 Value ($000) $4,113 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 11,485 Value ($000) $3,482 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 11,415 Value ($000) $3,255 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 11,570 Value ($000) $3,401 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 11,570 Value ($000) $3,333 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 11,525 Value ($000) $3,046 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 11,525 Value ($000) $2,791 Avg Close $198.35 Range $180.94 - $220.09

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	9,432	$8,134	$905.73	$844.06 - $962.64
Q3 2025	9,467	$8,763	$956.70	$902.01 - $997.89
Q2 2025	9,717	$9,619	$990.72	$868.14 - $1064.10
Q1 2025	9,717	$9,190	$970.56	$877.95 - $1073.82
Q4 2024	9,978	$9,143	$922.64	$861.51 - $1003.02
Q3 2024	10,028	$8,890	$861.91	$787.84 - $917.81
Q2 2024	10,012	$8,510	$773.82	$690.64 - $867.04
Q1 2024	3,446	$2,524	$706.75	$633.49 - $779.59
Q4 2023	9,993	$6,596	$573.49	$521.47 - $661.25
Q3 2023	9,993	$5,646	$532.21	$505.45 - $552.31
Q2 2023	9,990	$5,378	$487.14	$459.09 - $519.84
Q1 2023	9,811	$4,875	$471.27	$429.88 - $509.61
Q4 2022	9,793	$4,471	$468.77	$430.19 - $520.75
Q2 2022	11,575	$4,361	$484.91	$388.78 - $584.62
Q1 2022	11,530	$4,562	$500.83	$447.15 - $559.84
Q4 2021	10,029	$5,693	$488.10	$415.17 - $544.86
Q3 2021	11,530	$5,181	$418.22	$374.22 - $447.84
Q2 2021	11,530	$4,562	$359.04	$333.36 - $380.48
Q1 2021	11,520	$4,061	$329.77	$291.05 - $361.01
Q4 2020	11,575	$4,361	$347.39	$324.71 - $367.18
Q3 2020	11,585	$4,113	$309.06	$276.17 - $334.67
Q2 2020	11,485	$3,482	$279.18	$257.36 - $295.59
Q1 2020	11,415	$3,255	$277.78	$248.54 - $298.00
Q4 2019	11,570	$3,401	$271.52	$256.90 - $280.77
Q3 2019	11,570	$3,333	$256.34	$238.19 - $280.38
Q2 2019	11,525	$3,046	$226.60	$212.14 - $244.81
Q1 2019	11,525	$2,791	$198.35	$180.94 - $220.09