COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

Main Street Research LLC's Holding History (CIK: 0001513211)

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

Q4 2025
Shares 62,366 Value ($000) $53,780 Avg Close $905.73 Range $844.06 - $962.64
Q3 2025
Shares 63,459 Value ($000) $58,739 Avg Close $956.70 Range $902.01 - $997.89
Q2 2025
Shares 62,849 Value ($000) $62,216 Avg Close $990.72 Range $868.14 - $1064.10
Q1 2025
Shares 61,955 Value ($000) $58,596 Avg Close $970.56 Range $877.95 - $1073.82
Q4 2024
Shares 61,292 Value ($000) $56,160 Avg Close $922.64 Range $861.51 - $1003.02
Q3 2024
Shares 58,820 Value ($000) $52,145 Avg Close $861.91 Range $787.84 - $917.81
Q2 2024
Shares 57,362 Value ($000) $48,757 Avg Close $773.82 Range $690.64 - $867.04
Q1 2024
Shares 55,510 Value ($000) $40,668 Avg Close $706.75 Range $633.49 - $779.59
Q4 2023
Shares 50,706 Value ($000) $34,231 Avg Close $573.49 Range $521.47 - $661.25
Q3 2023
Shares 7,871 Value ($000) $4,447 Avg Close $532.21 Range $505.45 - $552.31
Q2 2023
Shares 7,834 Value ($000) $4,217 Avg Close $487.14 Range $459.09 - $519.84
Q1 2023
Shares 7,899 Value ($000) $3,925 Avg Close $471.27 Range $429.88 - $509.61
Q4 2022
Shares 7,649 Value ($000) $3,492 Avg Close $468.77 Range $430.19 - $520.75
Q3 2022
Shares 7,448 Value ($000) $3,518 Avg Close $498.08 Range $444.08 - $541.06
Q2 2022
Shares 7,210 Value ($000) $3,456 Avg Close $484.91 Range $388.78 - $584.62
Q1 2022
Shares 82,654 Value ($000) $47,597 Avg Close $500.83 Range $447.15 - $559.84
Q4 2021
Shares 70,849 Value ($000) $40,221 Avg Close $488.10 Range $415.17 - $544.86
Q3 2021
Shares 67,523 Value ($000) $30,341 Avg Close $418.22 Range $374.22 - $447.84
Q2 2021
Shares 65,973 Value ($000) $26,104 Avg Close $359.04 Range $333.36 - $380.48
Q1 2021
Shares 61,729 Value ($000) $21,758 Avg Close $329.77 Range $291.05 - $361.01
Q4 2020
Shares 64,819 Value ($000) $24,422 Avg Close $347.39 Range $324.71 - $367.18
Q3 2020
Shares 62,128 Value ($000) $22,055 Avg Close $309.06 Range $276.17 - $334.67
Q2 2020
Shares 60,156 Value ($000) $18,240 Avg Close $279.18 Range $257.36 - $295.59
Q1 2020
Shares 56,837 Value ($000) $16,206 Avg Close $277.78 Range $248.54 - $298.00
Q4 2019
Shares 56,787 Value ($000) $16,691 Avg Close $271.52 Range $256.90 - $280.77
Q3 2019
Shares 56,181 Value ($000) $16,186 Avg Close $256.34 Range $238.19 - $280.38
Q2 2019
Shares 10,092 Value ($000) $2,667 Avg Close $226.60 Range $212.14 - $244.81
Q1 2019
Shares 10,040 Value ($000) $2,431 Avg Close $198.35 Range $180.94 - $220.09
Q4 2018
Shares 9,161 Value ($000) $1,866 Avg Close $201.98 Range $171.58 - $217.57
Q3 2018
Shares 74,482 Value ($000) $17,494 Avg Close $203.13 Range $185.65 - $221.43
Q2 2018
Shares 69,848 Value ($000) $14,597 Avg Close $177.76 Range $162.55 - $191.42
Q1 2018
Shares 70,193 Value ($000) $13,226 Avg Close $169.26 Range $157.50 - $179.09
Q4 2017
Shares 66,793 Value ($000) $12,431 Avg Close $154.45 Range $137.67 - $175.03
Q3 2017
Shares 69,170 Value ($000) $11,364 Avg Close $140.12 Range $133.57 - $147.68
Q2 2017
Shares 69,523 Value ($000) $11,119 Avg Close $150.98 Range $139.41 - $162.71
Q1 2017
Shares 64,704 Value ($000) $10,850 Avg Close $142.87 Range $134.91 - $152.51
Q4 2016
Shares 61,681 Value ($000) $9,876 Avg Close $129.79 Range $120.95 - $140.39
Q3 2016
Shares 59,267 Value ($000) $9,039 Avg Close $136.95 Range $124.90 - $143.90
Q2 2016
Shares 59,046 Value ($000) $9,273 Avg Close $128.04 Range $117.26 - $134.37
Q1 2016
Shares 56,517 Value ($000) $8,906 Avg Close $127.74 Range $119.17 - $135.67
Q4 2015
Shares 56,383 Value ($000) $9,106 Avg Close $132.84 Range $119.34 - $142.82
Q3 2015
Shares 55,734 Value ($000) $8,813 Avg Close $119.60 Range $98.22 - $123.53
Q2 2015
Shares 52,180 Value ($000) $7,047 Avg Close $120.23 Range $112.77 - $127.67
Q1 2015
Shares 47,974 Value ($000) $7,268 Avg Close $120.91 Range $111.40 - $128.73
Q4 2014
Shares 46,957 Value ($000) $6,656 Avg Close $109.42 Range $98.12 - $118.34
Q3 2014
Shares 41,539 Value ($000) $5,206 Avg Close $97.13 Range $92.09 - $102.72
Q2 2014
Shares 39,609 Value ($000) $4,561 Avg Close $91.81 Range $88.18 - $95.25
Q1 2014
Shares 38,092 Value ($000) $4,254 Avg Close $91.29 Range $87.26 - $95.07
Q4 2013
Shares 31,328 Value ($000) $3,729 Avg Close $95.15 Range $87.55 - $100.50
Q3 2013
Shares 30,970 Value ($000) $3,567 Avg Close $91.64 Range $87.25 - $95.29
Q2 2013
Shares 33,180 Value ($000) $3,669 Avg Close $86.56 Range $81.59 - $91.78