COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q4 2025

Shares 11,175 Value ($000) $9,637 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 15,833 Value ($000) $14,655 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 25,280 Value ($000) $25,025 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 28,527 Value ($000) $26,981 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 36,744 Value ($000) $33,667 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 35,827 Value ($000) $31,762 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 42,781 Value ($000) $36,364 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 36,528 Value ($000) $26,761 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 33,978 Value ($000) $22,428 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 31,554 Value ($000) $17,826 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 31,134 Value ($000) $16,762 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 22,279 Value ($000) $11,070 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 33,829 Value ($000) $1,684 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 31,212 Value ($000) $14,740 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 37,110 Value ($000) $17,787 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 41,320 Value ($000) $23,795 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 54,433 Value ($000) $30,902 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 47,563 Value ($000) $21,372 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 17,613 Value ($000) $6,969 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 7,758 Value ($000) $2,735 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 10,278 Value ($000) $3,873 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 7,166 Value ($000) $2,544 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 7,083 Value ($000) $2,148 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 7,111 Value ($000) $2,027 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 7,525 Value ($000) $2,212 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 7,293 Value ($000) $2,102 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 7,427 Value ($000) $1,962 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 7,865 Value ($000) $1,904 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 19,436 Value ($000) $3,960 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 15,521 Value ($000) $3,646 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 12,353 Value ($000) $2,582 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 12,340 Value ($000) $2,325 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 7,871 Value ($000) $1,465 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 6,373 Value ($000) $1,047 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 7,841 Value ($000) $1,254 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 22,071 Value ($000) $3,701 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 14,439 Value ($000) $2,312 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 17,530 Value ($000) $2,673 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 21,008 Value ($000) $3,299 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 21,443 Value ($000) $3,379 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 13,423 Value ($000) $2,168 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 7,235 Value ($000) $1,046 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 6,125 Value ($000) $827 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 5,609 Value ($000) $850 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 5,739 Value ($000) $814 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 5,794 Value ($000) $726 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 5,971 Value ($000) $688 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 6,013 Value ($000) $671 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 4,736 Value ($000) $564 Avg Close $95.15 Range $87.55 - $100.50

Q3 2013

Shares 5,780 Value ($000) $666 Avg Close $91.64 Range $87.25 - $95.29

Q2 2013

Shares 5,567 Value ($000) $616 Avg Close $86.56 Range $81.59 - $91.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,175	$9,637	$905.73	$844.06 - $962.64
Q3 2025	15,833	$14,655	$956.70	$902.01 - $997.89
Q2 2025	25,280	$25,025	$990.72	$868.14 - $1064.10
Q1 2025	28,527	$26,981	$970.56	$877.95 - $1073.82
Q4 2024	36,744	$33,667	$922.64	$861.51 - $1003.02
Q3 2024	35,827	$31,762	$861.91	$787.84 - $917.81
Q2 2024	42,781	$36,364	$773.82	$690.64 - $867.04
Q1 2024	36,528	$26,761	$706.75	$633.49 - $779.59
Q4 2023	33,978	$22,428	$573.49	$521.47 - $661.25
Q3 2023	31,554	$17,826	$532.21	$505.45 - $552.31
Q2 2023	31,134	$16,762	$487.14	$459.09 - $519.84
Q1 2023	22,279	$11,070	$471.27	$429.88 - $509.61
Q4 2022	33,829	$1,684	$468.77	$430.19 - $520.75
Q3 2022	31,212	$14,740	$498.08	$444.08 - $541.06
Q2 2022	37,110	$17,787	$484.91	$388.78 - $584.62
Q1 2022	41,320	$23,795	$500.83	$447.15 - $559.84
Q4 2021	54,433	$30,902	$488.10	$415.17 - $544.86
Q3 2021	47,563	$21,372	$418.22	$374.22 - $447.84
Q2 2021	17,613	$6,969	$359.04	$333.36 - $380.48
Q1 2021	7,758	$2,735	$329.77	$291.05 - $361.01
Q4 2020	10,278	$3,873	$347.39	$324.71 - $367.18
Q3 2020	7,166	$2,544	$309.06	$276.17 - $334.67
Q2 2020	7,083	$2,148	$279.18	$257.36 - $295.59
Q1 2020	7,111	$2,027	$277.78	$248.54 - $298.00
Q4 2019	7,525	$2,212	$271.52	$256.90 - $280.77
Q3 2019	7,293	$2,102	$256.34	$238.19 - $280.38
Q2 2019	7,427	$1,962	$226.60	$212.14 - $244.81
Q1 2019	7,865	$1,904	$198.35	$180.94 - $220.09
Q4 2018	19,436	$3,960	$201.98	$171.58 - $217.57
Q3 2018	15,521	$3,646	$203.13	$185.65 - $221.43
Q2 2018	12,353	$2,582	$177.76	$162.55 - $191.42
Q1 2018	12,340	$2,325	$169.26	$157.50 - $179.09
Q4 2017	7,871	$1,465	$154.45	$137.67 - $175.03
Q3 2017	6,373	$1,047	$140.12	$133.57 - $147.68
Q2 2017	7,841	$1,254	$150.98	$139.41 - $162.71
Q1 2017	22,071	$3,701	$142.87	$134.91 - $152.51
Q4 2016	14,439	$2,312	$129.79	$120.95 - $140.39
Q3 2016	17,530	$2,673	$136.95	$124.90 - $143.90
Q2 2016	21,008	$3,299	$128.04	$117.26 - $134.37
Q1 2016	21,443	$3,379	$127.74	$119.17 - $135.67
Q4 2015	13,423	$2,168	$132.84	$119.34 - $142.82
Q3 2015	7,235	$1,046	$119.60	$98.22 - $123.53
Q2 2015	6,125	$827	$120.23	$112.77 - $127.67
Q1 2015	5,609	$850	$120.91	$111.40 - $128.73
Q4 2014	5,739	$814	$109.42	$98.12 - $118.34
Q3 2014	5,794	$726	$97.13	$92.09 - $102.72
Q2 2014	5,971	$688	$91.81	$88.18 - $95.25
Q1 2014	6,013	$671	$91.29	$87.26 - $95.07
Q4 2013	4,736	$564	$95.15	$87.55 - $100.50
Q3 2013	5,780	$666	$91.64	$87.25 - $95.29
Q2 2013	5,567	$616	$86.56	$81.59 - $91.78