COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

Private Wealth Partners, LLC's Holding History (CIK: 0001335851)

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

Q4 2025

Shares 31,177 Value ($000) $26,886 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 32,748 Value ($000) $30,313 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 33,488 Value ($000) $33,152 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 33,781 Value ($000) $31,950 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 34,093 Value ($000) $31,239 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 35,636 Value ($000) $31,592 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 35,025 Value ($000) $29,771 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 34,597 Value ($000) $25,347 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 38,677 Value ($000) $25,530 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 38,821 Value ($000) $21,933 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 39,016 Value ($000) $21,006 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 39,752 Value ($000) $19,752 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 36,761 Value ($000) $16,781 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 36,170 Value ($000) $17,082 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 36,475 Value ($000) $17,482 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 37,048 Value ($000) $21,334 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 36,862 Value ($000) $20,927 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 37,194 Value ($000) $16,713 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 37,002 Value ($000) $14,641 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 36,850 Value ($000) $12,989 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 37,332 Value ($000) $14,066 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 37,520 Value ($000) $13,320 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 37,380 Value ($000) $11,334 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 36,649 Value ($000) $10,450 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 31,272 Value ($000) $9,191 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 32,215 Value ($000) $9,281 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 33,314 Value ($000) $8,804 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 32,836 Value ($000) $7,951 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 34,811 Value ($000) $7,091 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 35,615 Value ($000) $8,365 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 35,510 Value ($000) $7,421 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 36,218 Value ($000) $6,825 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 43,873 Value ($000) $8,166 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 41,673 Value ($000) $6,846 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 33,249 Value ($000) $5,318 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 20,464 Value ($000) $3,432 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 19,130 Value ($000) $3,063 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 19,530 Value ($000) $2,979 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 19,530 Value ($000) $3,067 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 19,380 Value ($000) $3,054 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 18,720 Value ($000) $3,023 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 19,175 Value ($000) $2,772 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 18,632 Value ($000) $2,516 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 19,832 Value ($000) $3,004 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 19,832 Value ($000) $2,811 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 22,368 Value ($000) $2,803 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 20,896 Value ($000) $2,406 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 21,606 Value ($000) $2,413 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 21,436 Value ($000) $2,551 Avg Close $95.15 Range $87.55 - $100.50

Q3 2013

Shares 24,437 Value ($000) $2,814 Avg Close $91.64 Range $87.25 - $95.29

Q2 2013

Shares 24,393 Value ($000) $2,697 Avg Close $86.56 Range $81.59 - $91.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	31,177	$26,886	$905.73	$844.06 - $962.64
Q3 2025	32,748	$30,313	$956.70	$902.01 - $997.89
Q2 2025	33,488	$33,152	$990.72	$868.14 - $1064.10
Q1 2025	33,781	$31,950	$970.56	$877.95 - $1073.82
Q4 2024	34,093	$31,239	$922.64	$861.51 - $1003.02
Q3 2024	35,636	$31,592	$861.91	$787.84 - $917.81
Q2 2024	35,025	$29,771	$773.82	$690.64 - $867.04
Q1 2024	34,597	$25,347	$706.75	$633.49 - $779.59
Q4 2023	38,677	$25,530	$573.49	$521.47 - $661.25
Q3 2023	38,821	$21,933	$532.21	$505.45 - $552.31
Q2 2023	39,016	$21,006	$487.14	$459.09 - $519.84
Q1 2023	39,752	$19,752	$471.27	$429.88 - $509.61
Q4 2022	36,761	$16,781	$468.77	$430.19 - $520.75
Q3 2022	36,170	$17,082	$498.08	$444.08 - $541.06
Q2 2022	36,475	$17,482	$484.91	$388.78 - $584.62
Q1 2022	37,048	$21,334	$500.83	$447.15 - $559.84
Q4 2021	36,862	$20,927	$488.10	$415.17 - $544.86
Q3 2021	37,194	$16,713	$418.22	$374.22 - $447.84
Q2 2021	37,002	$14,641	$359.04	$333.36 - $380.48
Q1 2021	36,850	$12,989	$329.77	$291.05 - $361.01
Q4 2020	37,332	$14,066	$347.39	$324.71 - $367.18
Q3 2020	37,520	$13,320	$309.06	$276.17 - $334.67
Q2 2020	37,380	$11,334	$279.18	$257.36 - $295.59
Q1 2020	36,649	$10,450	$277.78	$248.54 - $298.00
Q4 2019	31,272	$9,191	$271.52	$256.90 - $280.77
Q3 2019	32,215	$9,281	$256.34	$238.19 - $280.38
Q2 2019	33,314	$8,804	$226.60	$212.14 - $244.81
Q1 2019	32,836	$7,951	$198.35	$180.94 - $220.09
Q4 2018	34,811	$7,091	$201.98	$171.58 - $217.57
Q3 2018	35,615	$8,365	$203.13	$185.65 - $221.43
Q2 2018	35,510	$7,421	$177.76	$162.55 - $191.42
Q1 2018	36,218	$6,825	$169.26	$157.50 - $179.09
Q4 2017	43,873	$8,166	$154.45	$137.67 - $175.03
Q3 2017	41,673	$6,846	$140.12	$133.57 - $147.68
Q2 2017	33,249	$5,318	$150.98	$139.41 - $162.71
Q1 2017	20,464	$3,432	$142.87	$134.91 - $152.51
Q4 2016	19,130	$3,063	$129.79	$120.95 - $140.39
Q3 2016	19,530	$2,979	$136.95	$124.90 - $143.90
Q2 2016	19,530	$3,067	$128.04	$117.26 - $134.37
Q1 2016	19,380	$3,054	$127.74	$119.17 - $135.67
Q4 2015	18,720	$3,023	$132.84	$119.34 - $142.82
Q3 2015	19,175	$2,772	$119.60	$98.22 - $123.53
Q2 2015	18,632	$2,516	$120.23	$112.77 - $127.67
Q1 2015	19,832	$3,004	$120.91	$111.40 - $128.73
Q4 2014	19,832	$2,811	$109.42	$98.12 - $118.34
Q3 2014	22,368	$2,803	$97.13	$92.09 - $102.72
Q2 2014	20,896	$2,406	$91.81	$88.18 - $95.25
Q1 2014	21,606	$2,413	$91.29	$87.26 - $95.07
Q4 2013	21,436	$2,551	$95.15	$87.55 - $100.50
Q3 2013	24,437	$2,814	$91.64	$87.25 - $95.29
Q2 2013	24,393	$2,697	$86.56	$81.59 - $91.78