COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

First National Trust Co's Holding History (CIK: 0001277303)

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

Q4 2025

Shares 14,600 Value ($000) $12,590 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 14,916 Value ($000) $13,807 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 16,020 Value ($000) $15,859 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 16,278 Value ($000) $15,395 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 19,846 Value ($000) $18,184 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 19,144 Value ($000) $16,972 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 19,185 Value ($000) $16,307 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 19,510 Value ($000) $14,294 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 15,918 Value ($000) $10,507 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 18,249 Value ($000) $10,310 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 17,940 Value ($000) $9,659 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 17,561 Value ($000) $8,726 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 17,133 Value ($000) $7,821 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 15,599 Value ($000) $7,367 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 8,685 Value ($000) $4,163 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 8,048 Value ($000) $4,634 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 7,681 Value ($000) $4,361 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 7,380 Value ($000) $3,316 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 7,298 Value ($000) $2,887 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 7,531 Value ($000) $2,655 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 7,481 Value ($000) $2,819 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 6,510 Value ($000) $2,311 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 5,318 Value ($000) $1,613 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 3,824 Value ($000) $1,091 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 3,822 Value ($000) $1,123 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 4,036 Value ($000) $1,163 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 4,081 Value ($000) $1,078 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 4,122 Value ($000) $998 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 3,899 Value ($000) $794 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 3,907 Value ($000) $917 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 4,021 Value ($000) $841 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 3,840 Value ($000) $723 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 3,965 Value ($000) $738 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 4,083 Value ($000) $671 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 3,803 Value ($000) $608 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 3,115 Value ($000) $522 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 3,453 Value ($000) $552 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 3,315 Value ($000) $506 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 3,264 Value ($000) $513 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 3,274 Value ($000) $516 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 3,347 Value ($000) $541 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 3,375 Value ($000) $488 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 3,392 Value ($000) $459 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 3,540 Value ($000) $536 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 3,990 Value ($000) $566 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 4,684 Value ($000) $587 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 4,702 Value ($000) $541 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 4,322 Value ($000) $483 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 4,472 Value ($000) $532 Avg Close $95.15 Range $87.55 - $100.50

Q3 2013

Shares 5,017 Value ($000) $578 Avg Close $91.64 Range $87.25 - $95.29

Q2 2013

Shares 4,902 Value ($000) $542 Avg Close $86.56 Range $81.59 - $91.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	14,600	$12,590	$905.73	$844.06 - $962.64
Q3 2025	14,916	$13,807	$956.70	$902.01 - $997.89
Q2 2025	16,020	$15,859	$990.72	$868.14 - $1064.10
Q1 2025	16,278	$15,395	$970.56	$877.95 - $1073.82
Q4 2024	19,846	$18,184	$922.64	$861.51 - $1003.02
Q3 2024	19,144	$16,972	$861.91	$787.84 - $917.81
Q2 2024	19,185	$16,307	$773.82	$690.64 - $867.04
Q1 2024	19,510	$14,294	$706.75	$633.49 - $779.59
Q4 2023	15,918	$10,507	$573.49	$521.47 - $661.25
Q3 2023	18,249	$10,310	$532.21	$505.45 - $552.31
Q2 2023	17,940	$9,659	$487.14	$459.09 - $519.84
Q1 2023	17,561	$8,726	$471.27	$429.88 - $509.61
Q4 2022	17,133	$7,821	$468.77	$430.19 - $520.75
Q3 2022	15,599	$7,367	$498.08	$444.08 - $541.06
Q2 2022	8,685	$4,163	$484.91	$388.78 - $584.62
Q1 2022	8,048	$4,634	$500.83	$447.15 - $559.84
Q4 2021	7,681	$4,361	$488.10	$415.17 - $544.86
Q3 2021	7,380	$3,316	$418.22	$374.22 - $447.84
Q2 2021	7,298	$2,887	$359.04	$333.36 - $380.48
Q1 2021	7,531	$2,655	$329.77	$291.05 - $361.01
Q4 2020	7,481	$2,819	$347.39	$324.71 - $367.18
Q3 2020	6,510	$2,311	$309.06	$276.17 - $334.67
Q2 2020	5,318	$1,613	$279.18	$257.36 - $295.59
Q1 2020	3,824	$1,091	$277.78	$248.54 - $298.00
Q4 2019	3,822	$1,123	$271.52	$256.90 - $280.77
Q3 2019	4,036	$1,163	$256.34	$238.19 - $280.38
Q2 2019	4,081	$1,078	$226.60	$212.14 - $244.81
Q1 2019	4,122	$998	$198.35	$180.94 - $220.09
Q4 2018	3,899	$794	$201.98	$171.58 - $217.57
Q3 2018	3,907	$917	$203.13	$185.65 - $221.43
Q2 2018	4,021	$841	$177.76	$162.55 - $191.42
Q1 2018	3,840	$723	$169.26	$157.50 - $179.09
Q4 2017	3,965	$738	$154.45	$137.67 - $175.03
Q3 2017	4,083	$671	$140.12	$133.57 - $147.68
Q2 2017	3,803	$608	$150.98	$139.41 - $162.71
Q1 2017	3,115	$522	$142.87	$134.91 - $152.51
Q4 2016	3,453	$552	$129.79	$120.95 - $140.39
Q3 2016	3,315	$506	$136.95	$124.90 - $143.90
Q2 2016	3,264	$513	$128.04	$117.26 - $134.37
Q1 2016	3,274	$516	$127.74	$119.17 - $135.67
Q4 2015	3,347	$541	$132.84	$119.34 - $142.82
Q3 2015	3,375	$488	$119.60	$98.22 - $123.53
Q2 2015	3,392	$459	$120.23	$112.77 - $127.67
Q1 2015	3,540	$536	$120.91	$111.40 - $128.73
Q4 2014	3,990	$566	$109.42	$98.12 - $118.34
Q3 2014	4,684	$587	$97.13	$92.09 - $102.72
Q2 2014	4,702	$541	$91.81	$88.18 - $95.25
Q1 2014	4,322	$483	$91.29	$87.26 - $95.07
Q4 2013	4,472	$532	$95.15	$87.55 - $100.50
Q3 2013	5,017	$578	$91.64	$87.25 - $95.29
Q2 2013	4,902	$542	$86.56	$81.59 - $91.78