COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

MASSMUTUAL TRUST CO FSB/ADV's Holding History (CIK: 0001103653)

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

Q4 2025

Shares 15,047 Value ($000) $12,976 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 15,087 Value ($000) $13,965 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 15,777 Value ($000) $15,618 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 15,611 Value ($000) $14,765 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 15,668 Value ($000) $14,356 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 14,584 Value ($000) $12,929 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 14,812 Value ($000) $12,590 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 14,624 Value ($000) $10,714 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 14,724 Value ($000) $9,719 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 14,386 Value ($000) $8,128 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 13,801 Value ($000) $7,430 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 19,785 Value ($000) $9,831 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 20,309 Value ($000) $9 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 20,071 Value ($000) $9,479 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 19,670 Value ($000) $9,427 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 19,408 Value ($000) $11,176 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 18,776 Value ($000) $10,659 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 18,638 Value ($000) $8,375 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 17,782 Value ($000) $7,036 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 16,534 Value ($000) $5,828 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 14,944 Value ($000) $5,631 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 14,049 Value ($000) $4,987 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 8,490 Value ($000) $2,574 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 6,422 Value ($000) $1,831 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 6,016 Value ($000) $1,768 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 5,703 Value ($000) $1,643 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 5,149 Value ($000) $1,361 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 4,835 Value ($000) $1,170,747 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 4,923 Value ($000) $1,002,864 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 4,808 Value ($000) $1,129,303 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 4,765 Value ($000) $995,790 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 4,143 Value ($000) $780,665 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 4,166 Value ($000) $775,376 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 4,579 Value ($000) $752,284 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 4,700 Value ($000) $751,671 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 4,660 Value ($000) $781,435 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 3,698 Value ($000) $592,087 Avg Close $129.79 Range $120.95 - $140.39

Q2 2016

Shares 3,862 Value ($000) $606,488 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 3,866 Value ($000) $609,204 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 4,004 Value ($000) $646,646 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 3,634 Value ($000) $455,413 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 3,524 Value ($000) $405,824 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 3,579 Value ($000) $542,201 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 1,109 Value ($000) $157,201 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 3,634 Value ($000) $455,413 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 967 Value ($000) $111,360 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 816 Value ($000) $91,131 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 1,098 Value ($000) $130,684 Avg Close $95.15 Range $87.55 - $100.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	15,047	$12,976	$905.73	$844.06 - $962.64
Q3 2025	15,087	$13,965	$956.70	$902.01 - $997.89
Q2 2025	15,777	$15,618	$990.72	$868.14 - $1064.10
Q1 2025	15,611	$14,765	$970.56	$877.95 - $1073.82
Q4 2024	15,668	$14,356	$922.64	$861.51 - $1003.02
Q3 2024	14,584	$12,929	$861.91	$787.84 - $917.81
Q2 2024	14,812	$12,590	$773.82	$690.64 - $867.04
Q1 2024	14,624	$10,714	$706.75	$633.49 - $779.59
Q4 2023	14,724	$9,719	$573.49	$521.47 - $661.25
Q3 2023	14,386	$8,128	$532.21	$505.45 - $552.31
Q2 2023	13,801	$7,430	$487.14	$459.09 - $519.84
Q1 2023	19,785	$9,831	$471.27	$429.88 - $509.61
Q4 2022	20,309	$9	$468.77	$430.19 - $520.75
Q3 2022	20,071	$9,479	$498.08	$444.08 - $541.06
Q2 2022	19,670	$9,427	$484.91	$388.78 - $584.62
Q1 2022	19,408	$11,176	$500.83	$447.15 - $559.84
Q4 2021	18,776	$10,659	$488.10	$415.17 - $544.86
Q3 2021	18,638	$8,375	$418.22	$374.22 - $447.84
Q2 2021	17,782	$7,036	$359.04	$333.36 - $380.48
Q1 2021	16,534	$5,828	$329.77	$291.05 - $361.01
Q4 2020	14,944	$5,631	$347.39	$324.71 - $367.18
Q3 2020	14,049	$4,987	$309.06	$276.17 - $334.67
Q2 2020	8,490	$2,574	$279.18	$257.36 - $295.59
Q1 2020	6,422	$1,831	$277.78	$248.54 - $298.00
Q4 2019	6,016	$1,768	$271.52	$256.90 - $280.77
Q3 2019	5,703	$1,643	$256.34	$238.19 - $280.38
Q2 2019	5,149	$1,361	$226.60	$212.14 - $244.81
Q1 2019	4,835	$1,170,747	$198.35	$180.94 - $220.09
Q4 2018	4,923	$1,002,864	$201.98	$171.58 - $217.57
Q3 2018	4,808	$1,129,303	$203.13	$185.65 - $221.43
Q2 2018	4,765	$995,790	$177.76	$162.55 - $191.42
Q1 2018	4,143	$780,665	$169.26	$157.50 - $179.09
Q4 2017	4,166	$775,376	$154.45	$137.67 - $175.03
Q3 2017	4,579	$752,284	$140.12	$133.57 - $147.68
Q2 2017	4,700	$751,671	$150.98	$139.41 - $162.71
Q1 2017	4,660	$781,435	$142.87	$134.91 - $152.51
Q4 2016	3,698	$592,087	$129.79	$120.95 - $140.39
Q2 2016	3,862	$606,488	$128.04	$117.26 - $134.37
Q1 2016	3,866	$609,204	$127.74	$119.17 - $135.67
Q4 2015	4,004	$646,646	$132.84	$119.34 - $142.82
Q3 2015	3,634	$455,413	$119.60	$98.22 - $123.53
Q2 2015	3,524	$405,824	$120.23	$112.77 - $127.67
Q1 2015	3,579	$542,201	$120.91	$111.40 - $128.73
Q4 2014	1,109	$157,201	$109.42	$98.12 - $118.34
Q3 2014	3,634	$455,413	$97.13	$92.09 - $102.72
Q2 2014	967	$111,360	$91.81	$88.18 - $95.25
Q1 2014	816	$91,131	$91.29	$87.26 - $95.07
Q4 2013	1,098	$130,684	$95.15	$87.55 - $100.50