COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

NWAM LLC's Holding History (CIK: 0001655006)

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

Q4 2025

Shares 21,044 Value ($000) $20,366 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 21,873 Value ($000) $20,457 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 22,231 Value ($000) $20,978 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 21,746 Value ($000) $20,567 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 22,330 Value ($000) $20,460 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 22,624 Value ($000) $20,056 Avg Close $861.91 Range $787.84 - $917.81

Q1 2024

Shares 20,630 Value ($000) $15,844 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 20,963 Value ($000) $13,837 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 21,142 Value ($000) $11,945 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 21,313 Value ($000) $11,475 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 19,997 Value ($000) $9,936 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 21,037 Value ($000) $9,604 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 21,081 Value ($000) $9,956 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 21,384 Value ($000) $10,423 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 21,260 Value ($000) $12,243 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 22,011 Value ($000) $12,496 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 19,666 Value ($000) $8,837 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 17,683 Value ($000) $6,997 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 17,750 Value ($000) $6,257 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 16,736 Value ($000) $6,306 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 16,595 Value ($000) $5,891 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 18,361 Value ($000) $5,567 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 17,981 Value ($000) $5,127 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 21,016 Value ($000) $6,177 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 20,286 Value ($000) $5,845 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 19,196 Value ($000) $5,073 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 19,199 Value ($000) $4,649 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 18,919 Value ($000) $3,854 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 18,856 Value ($000) $4,429 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 18,251 Value ($000) $3,814 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 17,987 Value ($000) $3,389 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 18,088 Value ($000) $3,367 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 17,762 Value ($000) $2,918 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 16,696 Value ($000) $2,670 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 15,218 Value ($000) $2,552 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 15,617 Value ($000) $2,500 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 14,814 Value ($000) $2,259 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 14,790 Value ($000) $2,323 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 15,900 Value ($000) $2,506 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 14,455 Value ($000) $2,335 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 14,000 Value ($000) $2,082 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 14,000 Value ($000) $1,888 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 13,753 Value ($000) $2,083 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 13,485 Value ($000) $1,911 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 20,408 Value ($000) $2,558 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 25,012 Value ($000) $2,880 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 25,008 Value ($000) $2,793 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 15,180 Value ($000) $1,807 Avg Close $95.15 Range $87.55 - $100.50

Q3 2013

Shares 18,757 Value ($000) $2,160 Avg Close $91.64 Range $87.25 - $95.29

Q2 2013

Shares 19,468 Value ($000) $2,153 Avg Close $86.56 Range $81.59 - $91.78

Q1 2013

Shares 20,327 Value ($000) $2,157 Avg Close $80.79 Range $78.23 - $84.64

Q4 2012

Shares 28,318 Value ($000) $2,796 Avg Close — Range —

Q3 2012

Shares 27,914 Value ($000) $2,796 Avg Close — Range —

Q2 2012

Shares 25,201 Value ($000) $2,394 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	21,044	$20,366	$905.73	$844.06 - $962.64
Q3 2025	21,873	$20,457	$956.70	$902.01 - $997.89
Q2 2025	22,231	$20,978	$990.72	$868.14 - $1064.10
Q1 2025	21,746	$20,567	$970.56	$877.95 - $1073.82
Q4 2024	22,330	$20,460	$922.64	$861.51 - $1003.02
Q3 2024	22,624	$20,056	$861.91	$787.84 - $917.81
Q1 2024	20,630	$15,844	$706.75	$633.49 - $779.59
Q4 2023	20,963	$13,837	$573.49	$521.47 - $661.25
Q3 2023	21,142	$11,945	$532.21	$505.45 - $552.31
Q2 2023	21,313	$11,475	$487.14	$459.09 - $519.84
Q1 2023	19,997	$9,936	$471.27	$429.88 - $509.61
Q4 2022	21,037	$9,604	$468.77	$430.19 - $520.75
Q3 2022	21,081	$9,956	$498.08	$444.08 - $541.06
Q2 2022	21,384	$10,423	$484.91	$388.78 - $584.62
Q1 2022	21,260	$12,243	$500.83	$447.15 - $559.84
Q4 2021	22,011	$12,496	$488.10	$415.17 - $544.86
Q3 2021	19,666	$8,837	$418.22	$374.22 - $447.84
Q2 2021	17,683	$6,997	$359.04	$333.36 - $380.48
Q1 2021	17,750	$6,257	$329.77	$291.05 - $361.01
Q4 2020	16,736	$6,306	$347.39	$324.71 - $367.18
Q3 2020	16,595	$5,891	$309.06	$276.17 - $334.67
Q2 2020	18,361	$5,567	$279.18	$257.36 - $295.59
Q1 2020	17,981	$5,127	$277.78	$248.54 - $298.00
Q4 2019	21,016	$6,177	$271.52	$256.90 - $280.77
Q3 2019	20,286	$5,845	$256.34	$238.19 - $280.38
Q2 2019	19,196	$5,073	$226.60	$212.14 - $244.81
Q1 2019	19,199	$4,649	$198.35	$180.94 - $220.09
Q4 2018	18,919	$3,854	$201.98	$171.58 - $217.57
Q3 2018	18,856	$4,429	$203.13	$185.65 - $221.43
Q2 2018	18,251	$3,814	$177.76	$162.55 - $191.42
Q1 2018	17,987	$3,389	$169.26	$157.50 - $179.09
Q4 2017	18,088	$3,367	$154.45	$137.67 - $175.03
Q3 2017	17,762	$2,918	$140.12	$133.57 - $147.68
Q2 2017	16,696	$2,670	$150.98	$139.41 - $162.71
Q1 2017	15,218	$2,552	$142.87	$134.91 - $152.51
Q4 2016	15,617	$2,500	$129.79	$120.95 - $140.39
Q3 2016	14,814	$2,259	$136.95	$124.90 - $143.90
Q2 2016	14,790	$2,323	$128.04	$117.26 - $134.37
Q1 2016	15,900	$2,506	$127.74	$119.17 - $135.67
Q4 2015	14,455	$2,335	$132.84	$119.34 - $142.82
Q3 2015	14,000	$2,082	$119.60	$98.22 - $123.53
Q2 2015	14,000	$1,888	$120.23	$112.77 - $127.67
Q1 2015	13,753	$2,083	$120.91	$111.40 - $128.73
Q4 2014	13,485	$1,911	$109.42	$98.12 - $118.34
Q3 2014	20,408	$2,558	$97.13	$92.09 - $102.72
Q2 2014	25,012	$2,880	$91.81	$88.18 - $95.25
Q1 2014	25,008	$2,793	$91.29	$87.26 - $95.07
Q4 2013	15,180	$1,807	$95.15	$87.55 - $100.50
Q3 2013	18,757	$2,160	$91.64	$87.25 - $95.29
Q2 2013	19,468	$2,153	$86.56	$81.59 - $91.78
Q1 2013	20,327	$2,157	$80.79	$78.23 - $84.64
Q4 2012	28,318	$2,796	—	—
Q3 2012	27,914	$2,796	—	—
Q2 2012	25,201	$2,394	—	—