COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

KEYBANK NATIONAL ASSOCIATION/OH's Holding History (CIK: 0001089877)

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

Q4 2025

Shares 335,004 Value ($000) $288,887 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 334,610 Value ($000) $309,725 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 329,911 Value ($000) $326,592 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 335,696 Value ($000) $317,495 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 340,017 Value ($000) $311,548 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 342,433 Value ($000) $303,574 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 347,287 Value ($000) $295,191 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 356,930 Value ($000) $261,498 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 363,927 Value ($000) $240,221 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 366,465 Value ($000) $207,038 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 368,401 Value ($000) $198,340 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 373,581 Value ($000) $185,621 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 383,150 Value ($000) $174,909 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 386,294 Value ($000) $182,435 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 392,263 Value ($000) $188,003 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 394,729 Value ($000) $227,305 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 397,502 Value ($000) $225,663 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 397,718 Value ($000) $178,715 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 397,687 Value ($000) $157,352 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 405,015 Value ($000) $142,759 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 406,106 Value ($000) $153,012 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 407,251 Value ($000) $144,574 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 406,914 Value ($000) $123,380 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 404,873 Value ($000) $115,441 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 407,503 Value ($000) $119,773 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 408,062 Value ($000) $117,567 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 398,452 Value ($000) $105,295 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 396,541 Value ($000) $96,019 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 393,107 Value ($000) $80,080 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 390,568 Value ($000) $91,737 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 394,466 Value ($000) $82,435 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 397,346 Value ($000) $74,872 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 399,291 Value ($000) $74,316 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 408,986 Value ($000) $67,192 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 396,225 Value ($000) $63,369 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 391,846 Value ($000) $65,709 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 390,585 Value ($000) $62,536 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 391,676 Value ($000) $59,735 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 385,810 Value ($000) $60,587 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 384,482 Value ($000) $60,587 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 377,896 Value ($000) $61,031 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 368,065 Value ($000) $53,211 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 364,246 Value ($000) $49,196 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 359,543 Value ($000) $54,469 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 350,369 Value ($000) $49,665 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 346,296 Value ($000) $43,398 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 353,130 Value ($000) $40,666 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 353,784 Value ($000) $39,510 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 357,935 Value ($000) $42,601 Avg Close $95.15 Range $87.55 - $100.50

Q3 2013

Shares 358,093 Value ($000) $41,241 Avg Close $91.64 Range $87.25 - $95.29

Q2 2013

Shares 376,394 Value ($000) $41,625 Avg Close $86.56 Range $81.59 - $91.78

Q1 2013

Shares 1,148,099 Value ($000) $121,825 Avg Close $80.79 Range $78.23 - $84.64

Q4 2012

Shares 1,347,627 Value ($000) $133,062 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	335,004	$288,887	$905.73	$844.06 - $962.64
Q3 2025	334,610	$309,725	$956.70	$902.01 - $997.89
Q2 2025	329,911	$326,592	$990.72	$868.14 - $1064.10
Q1 2025	335,696	$317,495	$970.56	$877.95 - $1073.82
Q4 2024	340,017	$311,548	$922.64	$861.51 - $1003.02
Q3 2024	342,433	$303,574	$861.91	$787.84 - $917.81
Q2 2024	347,287	$295,191	$773.82	$690.64 - $867.04
Q1 2024	356,930	$261,498	$706.75	$633.49 - $779.59
Q4 2023	363,927	$240,221	$573.49	$521.47 - $661.25
Q3 2023	366,465	$207,038	$532.21	$505.45 - $552.31
Q2 2023	368,401	$198,340	$487.14	$459.09 - $519.84
Q1 2023	373,581	$185,621	$471.27	$429.88 - $509.61
Q4 2022	383,150	$174,909	$468.77	$430.19 - $520.75
Q3 2022	386,294	$182,435	$498.08	$444.08 - $541.06
Q2 2022	392,263	$188,003	$484.91	$388.78 - $584.62
Q1 2022	394,729	$227,305	$500.83	$447.15 - $559.84
Q4 2021	397,502	$225,663	$488.10	$415.17 - $544.86
Q3 2021	397,718	$178,715	$418.22	$374.22 - $447.84
Q2 2021	397,687	$157,352	$359.04	$333.36 - $380.48
Q1 2021	405,015	$142,759	$329.77	$291.05 - $361.01
Q4 2020	406,106	$153,012	$347.39	$324.71 - $367.18
Q3 2020	407,251	$144,574	$309.06	$276.17 - $334.67
Q2 2020	406,914	$123,380	$279.18	$257.36 - $295.59
Q1 2020	404,873	$115,441	$277.78	$248.54 - $298.00
Q4 2019	407,503	$119,773	$271.52	$256.90 - $280.77
Q3 2019	408,062	$117,567	$256.34	$238.19 - $280.38
Q2 2019	398,452	$105,295	$226.60	$212.14 - $244.81
Q1 2019	396,541	$96,019	$198.35	$180.94 - $220.09
Q4 2018	393,107	$80,080	$201.98	$171.58 - $217.57
Q3 2018	390,568	$91,737	$203.13	$185.65 - $221.43
Q2 2018	394,466	$82,435	$177.76	$162.55 - $191.42
Q1 2018	397,346	$74,872	$169.26	$157.50 - $179.09
Q4 2017	399,291	$74,316	$154.45	$137.67 - $175.03
Q3 2017	408,986	$67,192	$140.12	$133.57 - $147.68
Q2 2017	396,225	$63,369	$150.98	$139.41 - $162.71
Q1 2017	391,846	$65,709	$142.87	$134.91 - $152.51
Q4 2016	390,585	$62,536	$129.79	$120.95 - $140.39
Q3 2016	391,676	$59,735	$136.95	$124.90 - $143.90
Q2 2016	385,810	$60,587	$128.04	$117.26 - $134.37
Q1 2016	384,482	$60,587	$127.74	$119.17 - $135.67
Q4 2015	377,896	$61,031	$132.84	$119.34 - $142.82
Q3 2015	368,065	$53,211	$119.60	$98.22 - $123.53
Q2 2015	364,246	$49,196	$120.23	$112.77 - $127.67
Q1 2015	359,543	$54,469	$120.91	$111.40 - $128.73
Q4 2014	350,369	$49,665	$109.42	$98.12 - $118.34
Q3 2014	346,296	$43,398	$97.13	$92.09 - $102.72
Q2 2014	353,130	$40,666	$91.81	$88.18 - $95.25
Q1 2014	353,784	$39,510	$91.29	$87.26 - $95.07
Q4 2013	357,935	$42,601	$95.15	$87.55 - $100.50
Q3 2013	358,093	$41,241	$91.64	$87.25 - $95.29
Q2 2013	376,394	$41,625	$86.56	$81.59 - $91.78
Q1 2013	1,148,099	$121,825	$80.79	$78.23 - $84.64
Q4 2012	1,347,627	$133,062	—	—