COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q4 2025

Shares 37,992 Value ($000) $32,762 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 39,205 Value ($000) $36,289 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 45,256 Value ($000) $44,801 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 42,214 Value ($000) $39,925 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 44,215 Value ($000) $40,513 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 47,247 Value ($000) $41,885 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 60,358 Value ($000) $51,304 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 73,173 Value ($000) $53,609 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 82,536 Value ($000) $54,480 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 93,155 Value ($000) $52,629 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 101,347 Value ($000) $54,563 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 107,642 Value ($000) $53,484 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 115,282 Value ($000) $52,626 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 124,923 Value ($000) $58,998 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 129,017 Value ($000) $61,836 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 143,428 Value ($000) $82,594 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 162,256 Value ($000) $92,114 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 185,901 Value ($000) $83,536 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 224,008 Value ($000) $88,634 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 236,169 Value ($000) $83,246 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 231,230 Value ($000) $87,124 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 203,055 Value ($000) $72,085 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 194,606 Value ($000) $59,008 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 55,134 Value ($000) $15,721 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 50,897 Value ($000) $14,961 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 35,096 Value ($000) $10,112 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 38,196 Value ($000) $10,094 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 36,196 Value ($000) $8,766 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 36,196 Value ($000) $7,374 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 31,994 Value ($000) $7,516 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 13,059 Value ($000) $2,730 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 5,356 Value ($000) $1,010 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 3,654 Value ($000) $681 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 6,848 Value ($000) $1,126 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 152,170 Value ($000) $24,338 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 161,864 Value ($000) $27,144 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 175,648 Value ($000) $28,124 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 210,868 Value ($000) $32,160 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 228,488 Value ($000) $35,883 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 188,068 Value ($000) $29,637 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 163,768 Value ($000) $26,449 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 159,377 Value ($000) $23,042 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 157,781 Value ($000) $21,311 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 145,282 Value ($000) $22,010 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 140,523 Value ($000) $19,920 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 104,229 Value ($000) $13,062 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 97,586 Value ($000) $11,239 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 94,661 Value ($000) $10,572 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 86,486 Value ($000) $10,294 Avg Close $95.15 Range $87.55 - $100.50

Q3 2013

Shares 87,055 Value ($000) $10,027 Avg Close $91.64 Range $87.25 - $95.29

Q2 2013

Shares 83,318 Value ($000) $9,213 Avg Close $86.56 Range $81.59 - $91.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	37,992	$32,762	$905.73	$844.06 - $962.64
Q3 2025	39,205	$36,289	$956.70	$902.01 - $997.89
Q2 2025	45,256	$44,801	$990.72	$868.14 - $1064.10
Q1 2025	42,214	$39,925	$970.56	$877.95 - $1073.82
Q4 2024	44,215	$40,513	$922.64	$861.51 - $1003.02
Q3 2024	47,247	$41,885	$861.91	$787.84 - $917.81
Q2 2024	60,358	$51,304	$773.82	$690.64 - $867.04
Q1 2024	73,173	$53,609	$706.75	$633.49 - $779.59
Q4 2023	82,536	$54,480	$573.49	$521.47 - $661.25
Q3 2023	93,155	$52,629	$532.21	$505.45 - $552.31
Q2 2023	101,347	$54,563	$487.14	$459.09 - $519.84
Q1 2023	107,642	$53,484	$471.27	$429.88 - $509.61
Q4 2022	115,282	$52,626	$468.77	$430.19 - $520.75
Q3 2022	124,923	$58,998	$498.08	$444.08 - $541.06
Q2 2022	129,017	$61,836	$484.91	$388.78 - $584.62
Q1 2022	143,428	$82,594	$500.83	$447.15 - $559.84
Q4 2021	162,256	$92,114	$488.10	$415.17 - $544.86
Q3 2021	185,901	$83,536	$418.22	$374.22 - $447.84
Q2 2021	224,008	$88,634	$359.04	$333.36 - $380.48
Q1 2021	236,169	$83,246	$329.77	$291.05 - $361.01
Q4 2020	231,230	$87,124	$347.39	$324.71 - $367.18
Q3 2020	203,055	$72,085	$309.06	$276.17 - $334.67
Q2 2020	194,606	$59,008	$279.18	$257.36 - $295.59
Q1 2020	55,134	$15,721	$277.78	$248.54 - $298.00
Q4 2019	50,897	$14,961	$271.52	$256.90 - $280.77
Q3 2019	35,096	$10,112	$256.34	$238.19 - $280.38
Q2 2019	38,196	$10,094	$226.60	$212.14 - $244.81
Q1 2019	36,196	$8,766	$198.35	$180.94 - $220.09
Q4 2018	36,196	$7,374	$201.98	$171.58 - $217.57
Q3 2018	31,994	$7,516	$203.13	$185.65 - $221.43
Q2 2018	13,059	$2,730	$177.76	$162.55 - $191.42
Q1 2018	5,356	$1,010	$169.26	$157.50 - $179.09
Q4 2017	3,654	$681	$154.45	$137.67 - $175.03
Q3 2017	6,848	$1,126	$140.12	$133.57 - $147.68
Q2 2017	152,170	$24,338	$150.98	$139.41 - $162.71
Q1 2017	161,864	$27,144	$142.87	$134.91 - $152.51
Q4 2016	175,648	$28,124	$129.79	$120.95 - $140.39
Q3 2016	210,868	$32,160	$136.95	$124.90 - $143.90
Q2 2016	228,488	$35,883	$128.04	$117.26 - $134.37
Q1 2016	188,068	$29,637	$127.74	$119.17 - $135.67
Q4 2015	163,768	$26,449	$132.84	$119.34 - $142.82
Q3 2015	159,377	$23,042	$119.60	$98.22 - $123.53
Q2 2015	157,781	$21,311	$120.23	$112.77 - $127.67
Q1 2015	145,282	$22,010	$120.91	$111.40 - $128.73
Q4 2014	140,523	$19,920	$109.42	$98.12 - $118.34
Q3 2014	104,229	$13,062	$97.13	$92.09 - $102.72
Q2 2014	97,586	$11,239	$91.81	$88.18 - $95.25
Q1 2014	94,661	$10,572	$91.29	$87.26 - $95.07
Q4 2013	86,486	$10,294	$95.15	$87.55 - $100.50
Q3 2013	87,055	$10,027	$91.64	$87.25 - $95.29
Q2 2013	83,318	$9,213	$86.56	$81.59 - $91.78