COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

FORT WASHINGTON INVESTMENT ADVISORS INC /OH/'s Holding History (CIK: 0001009016)

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

Q4 2025

Shares 6,493 Value ($000) $5,599 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 6,407 Value ($000) $5,931 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 6,660 Value ($000) $6,593 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 6,825 Value ($000) $6,455 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 7,229 Value ($000) $6,624 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 7,384 Value ($000) $6,546 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 7,440 Value ($000) $6,324 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 7,670 Value ($000) $5,619 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 7,812 Value ($000) $5,157 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 7,883 Value ($000) $4,454 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 7,898 Value ($000) $4,252 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 7,897 Value ($000) $3,924 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 7,821 Value ($000) $4 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 7,767 Value ($000) $3,668 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 7,802 Value ($000) $3,739 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 7,699 Value ($000) $4,433 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 7,814 Value ($000) $4,436 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 8,004 Value ($000) $3,597 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 8,139 Value ($000) $3,220 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 8,299 Value ($000) $2,925 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 8,349 Value ($000) $3,146 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 8,479 Value ($000) $3,010 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 9,219 Value ($000) $2,795 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 9,184 Value ($000) $2,619 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 9,159 Value ($000) $2,692 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 10,622 Value ($000) $3,060 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 10,697 Value ($000) $2,827 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 10,760 Value ($000) $2,605 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 18,415 Value ($000) $3,751 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 18,501 Value ($000) $4,346 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 19,063 Value ($000) $3,984 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 19,538 Value ($000) $3,681 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 19,822 Value ($000) $3,689 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 22,547 Value ($000) $3,704 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 23,992 Value ($000) $3,837 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 25,691 Value ($000) $4,308 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 26,091 Value ($000) $4,177 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 27,590 Value ($000) $4,208 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 29,103 Value ($000) $4,570 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 30,052 Value ($000) $4,736 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 30,902 Value ($000) $4,991 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 31,337 Value ($000) $4,530 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 30,126 Value ($000) $4,069 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 28,426 Value ($000) $4,306 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 28,285 Value ($000) $4,009 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 25,765 Value ($000) $3,229 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 18,425 Value ($000) $2,122 Avg Close $91.81 Range $88.18 - $95.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,493	$5,599	$905.73	$844.06 - $962.64
Q3 2025	6,407	$5,931	$956.70	$902.01 - $997.89
Q2 2025	6,660	$6,593	$990.72	$868.14 - $1064.10
Q1 2025	6,825	$6,455	$970.56	$877.95 - $1073.82
Q4 2024	7,229	$6,624	$922.64	$861.51 - $1003.02
Q3 2024	7,384	$6,546	$861.91	$787.84 - $917.81
Q2 2024	7,440	$6,324	$773.82	$690.64 - $867.04
Q1 2024	7,670	$5,619	$706.75	$633.49 - $779.59
Q4 2023	7,812	$5,157	$573.49	$521.47 - $661.25
Q3 2023	7,883	$4,454	$532.21	$505.45 - $552.31
Q2 2023	7,898	$4,252	$487.14	$459.09 - $519.84
Q1 2023	7,897	$3,924	$471.27	$429.88 - $509.61
Q4 2022	7,821	$4	$468.77	$430.19 - $520.75
Q3 2022	7,767	$3,668	$498.08	$444.08 - $541.06
Q2 2022	7,802	$3,739	$484.91	$388.78 - $584.62
Q1 2022	7,699	$4,433	$500.83	$447.15 - $559.84
Q4 2021	7,814	$4,436	$488.10	$415.17 - $544.86
Q3 2021	8,004	$3,597	$418.22	$374.22 - $447.84
Q2 2021	8,139	$3,220	$359.04	$333.36 - $380.48
Q1 2021	8,299	$2,925	$329.77	$291.05 - $361.01
Q4 2020	8,349	$3,146	$347.39	$324.71 - $367.18
Q3 2020	8,479	$3,010	$309.06	$276.17 - $334.67
Q2 2020	9,219	$2,795	$279.18	$257.36 - $295.59
Q1 2020	9,184	$2,619	$277.78	$248.54 - $298.00
Q4 2019	9,159	$2,692	$271.52	$256.90 - $280.77
Q3 2019	10,622	$3,060	$256.34	$238.19 - $280.38
Q2 2019	10,697	$2,827	$226.60	$212.14 - $244.81
Q1 2019	10,760	$2,605	$198.35	$180.94 - $220.09
Q4 2018	18,415	$3,751	$201.98	$171.58 - $217.57
Q3 2018	18,501	$4,346	$203.13	$185.65 - $221.43
Q2 2018	19,063	$3,984	$177.76	$162.55 - $191.42
Q1 2018	19,538	$3,681	$169.26	$157.50 - $179.09
Q4 2017	19,822	$3,689	$154.45	$137.67 - $175.03
Q3 2017	22,547	$3,704	$140.12	$133.57 - $147.68
Q2 2017	23,992	$3,837	$150.98	$139.41 - $162.71
Q1 2017	25,691	$4,308	$142.87	$134.91 - $152.51
Q4 2016	26,091	$4,177	$129.79	$120.95 - $140.39
Q3 2016	27,590	$4,208	$136.95	$124.90 - $143.90
Q2 2016	29,103	$4,570	$128.04	$117.26 - $134.37
Q1 2016	30,052	$4,736	$127.74	$119.17 - $135.67
Q4 2015	30,902	$4,991	$132.84	$119.34 - $142.82
Q3 2015	31,337	$4,530	$119.60	$98.22 - $123.53
Q2 2015	30,126	$4,069	$120.23	$112.77 - $127.67
Q1 2015	28,426	$4,306	$120.91	$111.40 - $128.73
Q4 2014	28,285	$4,009	$109.42	$98.12 - $118.34
Q3 2014	25,765	$3,229	$97.13	$92.09 - $102.72
Q2 2014	18,425	$2,122	$91.81	$88.18 - $95.25