COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

Coastline Trust Co's Holding History (CIK: 0001324279)

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

Q4 2025

Shares 10,308 Value ($000) $8,889 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 9,730 Value ($000) $9,006 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 9,730 Value ($000) $9,632 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 9,691 Value ($000) $9,166 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 9,705 Value ($000) $8,892 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 9,022 Value ($000) $7,998 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 8,698 Value ($000) $7,393 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 8,582 Value ($000) $6,287 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 8,659 Value ($000) $5,716 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 7,602 Value ($000) $4,295 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 8,742 Value ($000) $4,707 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 8,738 Value ($000) $4,342 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 8,733 Value ($000) $3,987 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 7,689 Value ($000) $3,631 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 7,638 Value ($000) $3,661 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 7,249 Value ($000) $4,175 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 7,236 Value ($000) $4,108 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 7,148 Value ($000) $3,212 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 6,735 Value ($000) $2,665 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 6,565 Value ($000) $2,314 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 7,295 Value ($000) $2,749 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 7,370 Value ($000) $2,616 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 7,565 Value ($000) $2,294 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 7,495 Value ($000) $2,137 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 8,485 Value ($000) $2,494 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 10,212 Value ($000) $2,942 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 10,440 Value ($000) $2,759 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 10,735 Value ($000) $2,599 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 9,445 Value ($000) $1,924 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 9,950 Value ($000) $2,337 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 10,245 Value ($000) $2,141 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 10,265 Value ($000) $1,934 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 10,435 Value ($000) $1,942 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 4,500 Value ($000) $739 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 4,670 Value ($000) $747 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 4,860 Value ($000) $815 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 4,985 Value ($000) $798 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 4,985 Value ($000) $760 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 5,075 Value ($000) $797 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 5,075 Value ($000) $800 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 5,075 Value ($000) $820 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 5,050 Value ($000) $730 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 5,120 Value ($000) $691 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 5,120 Value ($000) $776 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 5,260 Value ($000) $746 Avg Close $109.42 Range $98.12 - $118.34

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,308	$8,889	$905.73	$844.06 - $962.64
Q3 2025	9,730	$9,006	$956.70	$902.01 - $997.89
Q2 2025	9,730	$9,632	$990.72	$868.14 - $1064.10
Q1 2025	9,691	$9,166	$970.56	$877.95 - $1073.82
Q4 2024	9,705	$8,892	$922.64	$861.51 - $1003.02
Q3 2024	9,022	$7,998	$861.91	$787.84 - $917.81
Q2 2024	8,698	$7,393	$773.82	$690.64 - $867.04
Q1 2024	8,582	$6,287	$706.75	$633.49 - $779.59
Q4 2023	8,659	$5,716	$573.49	$521.47 - $661.25
Q3 2023	7,602	$4,295	$532.21	$505.45 - $552.31
Q2 2023	8,742	$4,707	$487.14	$459.09 - $519.84
Q1 2023	8,738	$4,342	$471.27	$429.88 - $509.61
Q4 2022	8,733	$3,987	$468.77	$430.19 - $520.75
Q3 2022	7,689	$3,631	$498.08	$444.08 - $541.06
Q2 2022	7,638	$3,661	$484.91	$388.78 - $584.62
Q1 2022	7,249	$4,175	$500.83	$447.15 - $559.84
Q4 2021	7,236	$4,108	$488.10	$415.17 - $544.86
Q3 2021	7,148	$3,212	$418.22	$374.22 - $447.84
Q2 2021	6,735	$2,665	$359.04	$333.36 - $380.48
Q1 2021	6,565	$2,314	$329.77	$291.05 - $361.01
Q4 2020	7,295	$2,749	$347.39	$324.71 - $367.18
Q3 2020	7,370	$2,616	$309.06	$276.17 - $334.67
Q2 2020	7,565	$2,294	$279.18	$257.36 - $295.59
Q1 2020	7,495	$2,137	$277.78	$248.54 - $298.00
Q4 2019	8,485	$2,494	$271.52	$256.90 - $280.77
Q3 2019	10,212	$2,942	$256.34	$238.19 - $280.38
Q2 2019	10,440	$2,759	$226.60	$212.14 - $244.81
Q1 2019	10,735	$2,599	$198.35	$180.94 - $220.09
Q4 2018	9,445	$1,924	$201.98	$171.58 - $217.57
Q3 2018	9,950	$2,337	$203.13	$185.65 - $221.43
Q2 2018	10,245	$2,141	$177.76	$162.55 - $191.42
Q1 2018	10,265	$1,934	$169.26	$157.50 - $179.09
Q4 2017	10,435	$1,942	$154.45	$137.67 - $175.03
Q3 2017	4,500	$739	$140.12	$133.57 - $147.68
Q2 2017	4,670	$747	$150.98	$139.41 - $162.71
Q1 2017	4,860	$815	$142.87	$134.91 - $152.51
Q4 2016	4,985	$798	$129.79	$120.95 - $140.39
Q3 2016	4,985	$760	$136.95	$124.90 - $143.90
Q2 2016	5,075	$797	$128.04	$117.26 - $134.37
Q1 2016	5,075	$800	$127.74	$119.17 - $135.67
Q4 2015	5,075	$820	$132.84	$119.34 - $142.82
Q3 2015	5,050	$730	$119.60	$98.22 - $123.53
Q2 2015	5,120	$691	$120.23	$112.77 - $127.67
Q1 2015	5,120	$776	$120.91	$111.40 - $128.73
Q4 2014	5,260	$746	$109.42	$98.12 - $118.34