COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

Choate Investment Advisors's Holding History (CIK: 0001399794)

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

Q4 2025

Shares 10,425 Value ($000) $8,990 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 10,063 Value ($000) $9,315 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 9,603 Value ($000) $9,506 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 9,489 Value ($000) $8,975 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 9,356 Value ($000) $8,573 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 8,227 Value ($000) $7,293 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 7,834 Value ($000) $6,660 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 8,507 Value ($000) $6,232 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 8,720 Value ($000) $5,756 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 6,958 Value ($000) $3,931 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 4,543 Value ($000) $2,446 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 3,814 Value ($000) $1,895 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 3,814 Value ($000) $1,741 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 3,743 Value ($000) $1,768 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 3,793 Value ($000) $1,817 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 2,808 Value ($000) $1,617 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 2,808 Value ($000) $1,594 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 2,759 Value ($000) $1,240 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 2,818 Value ($000) $1,115 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 2,539 Value ($000) $895 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 2,323 Value ($000) $876 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 2,323 Value ($000) $825 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 2,323 Value ($000) $704 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 2,323 Value ($000) $662 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 2,323 Value ($000) $683 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 2,438 Value ($000) $702 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 2,422 Value ($000) $640 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 2,422 Value ($000) $586 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 1,626 Value ($000) $331 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 1,676 Value ($000) $394 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 1,606 Value ($000) $336 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 2,410 Value ($000) $454,117 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 2,410 Value ($000) $448,549 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 2,410 Value ($000) $395,939 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 2,406 Value ($000) $384,792 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 2,836 Value ($000) $475,569 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 2,836 Value ($000) $454,072 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 3,178 Value ($000) $484,677 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 2,398 Value ($000) $376,582 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 3,120 Value ($000) $491,650 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 2,652 Value ($000) $375,921 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 3,036 Value ($000) $438,915 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 3,036 Value ($000) $410,042 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 3,036 Value ($000) $459,939 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 2,652 Value ($000) $375,921 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 2,627 Value ($000) $329,216 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 2,627 Value ($000) $302,525 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 2,642 Value ($000) $295,059 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 3,252 Value ($000) $387,053 Avg Close $95.15 Range $87.55 - $100.50

Q3 2013

Shares 2,940 Value ($000) $338,600 Avg Close $91.64 Range $87.25 - $95.29

Q2 2013

Shares 2,940 Value ($000) $325,076 Avg Close $86.56 Range $81.59 - $91.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,425	$8,990	$905.73	$844.06 - $962.64
Q3 2025	10,063	$9,315	$956.70	$902.01 - $997.89
Q2 2025	9,603	$9,506	$990.72	$868.14 - $1064.10
Q1 2025	9,489	$8,975	$970.56	$877.95 - $1073.82
Q4 2024	9,356	$8,573	$922.64	$861.51 - $1003.02
Q3 2024	8,227	$7,293	$861.91	$787.84 - $917.81
Q2 2024	7,834	$6,660	$773.82	$690.64 - $867.04
Q1 2024	8,507	$6,232	$706.75	$633.49 - $779.59
Q4 2023	8,720	$5,756	$573.49	$521.47 - $661.25
Q3 2023	6,958	$3,931	$532.21	$505.45 - $552.31
Q2 2023	4,543	$2,446	$487.14	$459.09 - $519.84
Q1 2023	3,814	$1,895	$471.27	$429.88 - $509.61
Q4 2022	3,814	$1,741	$468.77	$430.19 - $520.75
Q3 2022	3,743	$1,768	$498.08	$444.08 - $541.06
Q2 2022	3,793	$1,817	$484.91	$388.78 - $584.62
Q1 2022	2,808	$1,617	$500.83	$447.15 - $559.84
Q4 2021	2,808	$1,594	$488.10	$415.17 - $544.86
Q3 2021	2,759	$1,240	$418.22	$374.22 - $447.84
Q2 2021	2,818	$1,115	$359.04	$333.36 - $380.48
Q1 2021	2,539	$895	$329.77	$291.05 - $361.01
Q4 2020	2,323	$876	$347.39	$324.71 - $367.18
Q3 2020	2,323	$825	$309.06	$276.17 - $334.67
Q2 2020	2,323	$704	$279.18	$257.36 - $295.59
Q1 2020	2,323	$662	$277.78	$248.54 - $298.00
Q4 2019	2,323	$683	$271.52	$256.90 - $280.77
Q3 2019	2,438	$702	$256.34	$238.19 - $280.38
Q2 2019	2,422	$640	$226.60	$212.14 - $244.81
Q1 2019	2,422	$586	$198.35	$180.94 - $220.09
Q4 2018	1,626	$331	$201.98	$171.58 - $217.57
Q3 2018	1,676	$394	$203.13	$185.65 - $221.43
Q2 2018	1,606	$336	$177.76	$162.55 - $191.42
Q1 2018	2,410	$454,117	$169.26	$157.50 - $179.09
Q4 2017	2,410	$448,549	$154.45	$137.67 - $175.03
Q3 2017	2,410	$395,939	$140.12	$133.57 - $147.68
Q2 2017	2,406	$384,792	$150.98	$139.41 - $162.71
Q1 2017	2,836	$475,569	$142.87	$134.91 - $152.51
Q4 2016	2,836	$454,072	$129.79	$120.95 - $140.39
Q3 2016	3,178	$484,677	$136.95	$124.90 - $143.90
Q2 2016	2,398	$376,582	$128.04	$117.26 - $134.37
Q1 2016	3,120	$491,650	$127.74	$119.17 - $135.67
Q4 2015	2,652	$375,921	$132.84	$119.34 - $142.82
Q3 2015	3,036	$438,915	$119.60	$98.22 - $123.53
Q2 2015	3,036	$410,042	$120.23	$112.77 - $127.67
Q1 2015	3,036	$459,939	$120.91	$111.40 - $128.73
Q4 2014	2,652	$375,921	$109.42	$98.12 - $118.34
Q3 2014	2,627	$329,216	$97.13	$92.09 - $102.72
Q2 2014	2,627	$302,525	$91.81	$88.18 - $95.25
Q1 2014	2,642	$295,059	$91.29	$87.26 - $95.07
Q4 2013	3,252	$387,053	$95.15	$87.55 - $100.50
Q3 2013	2,940	$338,600	$91.64	$87.25 - $95.29
Q2 2013	2,940	$325,076	$86.56	$81.59 - $91.78