COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

FIRST MANHATTAN CO. LLC.'s Holding History (CIK: 0000728083)

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

Q4 2025

Shares 20,491 Value ($000) $17,670 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 20,800 Value ($000) $19,253 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 18,810 Value ($000) $18,621 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 18,884 Value ($000) $17,860 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 18,313 Value ($000) $16,780 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 18,620 Value ($000) $16,507 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 18,227 Value ($000) $15,493 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 18,226 Value ($000) $13,362 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 17,191 Value ($000) $11,355 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 17,218 Value ($000) $9,727 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 15,354 Value ($000) $8,267 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 15,663 Value ($000) $7,783 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 17,819 Value ($000) $8,134 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 17,270 Value ($000) $8,156 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 16,581 Value ($000) $7,946 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 16,634 Value ($000) $9,579 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 16,715 Value ($000) $9,489 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 17,940 Value ($000) $8,061 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 17,934 Value ($000) $7,096 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 17,818 Value ($000) $6,280 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 16,663 Value ($000) $6,278 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 17,034 Value ($000) $6,047 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 16,674 Value ($000) $5,056 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 15,802 Value ($000) $4,505 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 15,521 Value ($000) $4,562 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 15,591 Value ($000) $4,492 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 15,576 Value ($000) $4,116 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 16,402 Value ($000) $3,971 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 16,207 Value ($000) $3,301 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 16,467 Value ($000) $3,868 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 16,492 Value ($000) $3,446 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 16,492 Value ($000) $3,107 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 18,386 Value ($000) $3,422 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 14,367 Value ($000) $2,360 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 14,373 Value ($000) $2,298 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 13,352 Value ($000) $2,239 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 12,314 Value ($000) $1,971 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 14,776 Value ($000) $2,253 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 14,246 Value ($000) $2,237 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 14,528 Value ($000) $2,289 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 15,823 Value ($000) $2,555 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 15,897 Value ($000) $2,298 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 14,278 Value ($000) $1,928 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 14,737 Value ($000) $2,232 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 14,762 Value ($000) $2,092 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 14,787 Value ($000) $1,853 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 14,928 Value ($000) $1,719 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 19,128 Value ($000) $2,136 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 19,128 Value ($000) $2,276 Avg Close $95.15 Range $87.55 - $100.50

Q3 2013

Shares 19,031 Value ($000) $2,191 Avg Close $91.64 Range $87.25 - $95.29

Q2 2013

Shares 19,074 Value ($000) $2,234 Avg Close $86.56 Range $81.59 - $91.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	20,491	$17,670	$905.73	$844.06 - $962.64
Q3 2025	20,800	$19,253	$956.70	$902.01 - $997.89
Q2 2025	18,810	$18,621	$990.72	$868.14 - $1064.10
Q1 2025	18,884	$17,860	$970.56	$877.95 - $1073.82
Q4 2024	18,313	$16,780	$922.64	$861.51 - $1003.02
Q3 2024	18,620	$16,507	$861.91	$787.84 - $917.81
Q2 2024	18,227	$15,493	$773.82	$690.64 - $867.04
Q1 2024	18,226	$13,362	$706.75	$633.49 - $779.59
Q4 2023	17,191	$11,355	$573.49	$521.47 - $661.25
Q3 2023	17,218	$9,727	$532.21	$505.45 - $552.31
Q2 2023	15,354	$8,267	$487.14	$459.09 - $519.84
Q1 2023	15,663	$7,783	$471.27	$429.88 - $509.61
Q4 2022	17,819	$8,134	$468.77	$430.19 - $520.75
Q3 2022	17,270	$8,156	$498.08	$444.08 - $541.06
Q2 2022	16,581	$7,946	$484.91	$388.78 - $584.62
Q1 2022	16,634	$9,579	$500.83	$447.15 - $559.84
Q4 2021	16,715	$9,489	$488.10	$415.17 - $544.86
Q3 2021	17,940	$8,061	$418.22	$374.22 - $447.84
Q2 2021	17,934	$7,096	$359.04	$333.36 - $380.48
Q1 2021	17,818	$6,280	$329.77	$291.05 - $361.01
Q4 2020	16,663	$6,278	$347.39	$324.71 - $367.18
Q3 2020	17,034	$6,047	$309.06	$276.17 - $334.67
Q2 2020	16,674	$5,056	$279.18	$257.36 - $295.59
Q1 2020	15,802	$4,505	$277.78	$248.54 - $298.00
Q4 2019	15,521	$4,562	$271.52	$256.90 - $280.77
Q3 2019	15,591	$4,492	$256.34	$238.19 - $280.38
Q2 2019	15,576	$4,116	$226.60	$212.14 - $244.81
Q1 2019	16,402	$3,971	$198.35	$180.94 - $220.09
Q4 2018	16,207	$3,301	$201.98	$171.58 - $217.57
Q3 2018	16,467	$3,868	$203.13	$185.65 - $221.43
Q2 2018	16,492	$3,446	$177.76	$162.55 - $191.42
Q1 2018	16,492	$3,107	$169.26	$157.50 - $179.09
Q4 2017	18,386	$3,422	$154.45	$137.67 - $175.03
Q3 2017	14,367	$2,360	$140.12	$133.57 - $147.68
Q2 2017	14,373	$2,298	$150.98	$139.41 - $162.71
Q1 2017	13,352	$2,239	$142.87	$134.91 - $152.51
Q4 2016	12,314	$1,971	$129.79	$120.95 - $140.39
Q3 2016	14,776	$2,253	$136.95	$124.90 - $143.90
Q2 2016	14,246	$2,237	$128.04	$117.26 - $134.37
Q1 2016	14,528	$2,289	$127.74	$119.17 - $135.67
Q4 2015	15,823	$2,555	$132.84	$119.34 - $142.82
Q3 2015	15,897	$2,298	$119.60	$98.22 - $123.53
Q2 2015	14,278	$1,928	$120.23	$112.77 - $127.67
Q1 2015	14,737	$2,232	$120.91	$111.40 - $128.73
Q4 2014	14,762	$2,092	$109.42	$98.12 - $118.34
Q3 2014	14,787	$1,853	$97.13	$92.09 - $102.72
Q2 2014	14,928	$1,719	$91.81	$88.18 - $95.25
Q1 2014	19,128	$2,136	$91.29	$87.26 - $95.07
Q4 2013	19,128	$2,276	$95.15	$87.55 - $100.50
Q3 2013	19,031	$2,191	$91.64	$87.25 - $95.29
Q2 2013	19,074	$2,234	$86.56	$81.59 - $91.78