COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

Mariner, LLC's Holding History (CIK: 0001373442)

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

Q4 2025

Shares 396,333 Value ($000) $341,788 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 399,894 Value ($000) $370,140 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 393,957 Value ($000) $389,979 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 357,112 Value ($000) $337,703 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 356,151 Value ($000) $326,341 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 347,119 Value ($000) $307,722 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 365,543 Value ($000) $310,706 Avg Close $773.82 Range $690.64 - $867.04

Q1 2024

Shares 357,684 Value ($000) $262,049 Avg Close $706.75 Range $633.49 - $779.59

Q4 2023

Shares 354,030 Value ($000) $233,688 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 353,223 Value ($000) $199,556 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 337,270 Value ($000) $181,577 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 326,237 Value ($000) $162 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 315,242 Value ($000) $144 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 311,484 Value ($000) $147,109 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 293,509 Value ($000) $140,668 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 251,817 Value ($000) $145,009 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 225,869 Value ($000) $128,226 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 204,497 Value ($000) $91,891 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 190,728 Value ($000) $75,466 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 176,507 Value ($000) $62,215 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 77,034 Value ($000) $29,025 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 69,024 Value ($000) $24,504 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 66,915 Value ($000) $20,290 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 61,526 Value ($000) $17,550 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 66,415 Value ($000) $19,521 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 60,928 Value ($000) $17,554 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 61,362 Value ($000) $16,216 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 65,154 Value ($000) $15,776 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 54,360 Value ($000) $11,063 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 16,125 Value ($000) $3,788 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 15,219 Value ($000) $3,181 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 9,093 Value ($000) $1,713 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 7,502 Value ($000) $1,396 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 7,298 Value ($000) $1,198 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 5,626 Value ($000) $900 Avg Close $150.98 Range $139.41 - $162.71

Q1 2017

Shares 12,665 Value ($000) $2,123 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 12,571 Value ($000) $2,013 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 13,199 Value ($000) $2,014 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 14,421 Value ($000) $2,264 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 7,437 Value ($000) $1,172 Avg Close $127.74 Range $119.17 - $135.67

Q4 2015

Shares 4,346 Value ($000) $702 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 5,586 Value ($000) $808 Avg Close $119.60 Range $98.22 - $123.53

Q2 2015

Shares 5,547 Value ($000) $749 Avg Close $120.23 Range $112.77 - $127.67

Q1 2015

Shares 3,978 Value ($000) $603 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 4,262 Value ($000) $604 Avg Close $109.42 Range $98.12 - $118.34

Q3 2014

Shares 3,668 Value ($000) $460 Avg Close $97.13 Range $92.09 - $102.72

Q2 2014

Shares 3,764 Value ($000) $433 Avg Close $91.81 Range $88.18 - $95.25

Q1 2014

Shares 3,402 Value ($000) $380 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 3,335 Value ($000) $397 Avg Close $95.15 Range $87.55 - $100.50

Q3 2013

Shares 3,135 Value ($000) $361 Avg Close $91.64 Range $87.25 - $95.29

Q2 2013

Shares 3,115 Value ($000) $344 Avg Close $86.56 Range $81.59 - $91.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	396,333	$341,788	$905.73	$844.06 - $962.64
Q3 2025	399,894	$370,140	$956.70	$902.01 - $997.89
Q2 2025	393,957	$389,979	$990.72	$868.14 - $1064.10
Q1 2025	357,112	$337,703	$970.56	$877.95 - $1073.82
Q4 2024	356,151	$326,341	$922.64	$861.51 - $1003.02
Q3 2024	347,119	$307,722	$861.91	$787.84 - $917.81
Q2 2024	365,543	$310,706	$773.82	$690.64 - $867.04
Q1 2024	357,684	$262,049	$706.75	$633.49 - $779.59
Q4 2023	354,030	$233,688	$573.49	$521.47 - $661.25
Q3 2023	353,223	$199,556	$532.21	$505.45 - $552.31
Q2 2023	337,270	$181,577	$487.14	$459.09 - $519.84
Q1 2023	326,237	$162	$471.27	$429.88 - $509.61
Q4 2022	315,242	$144	$468.77	$430.19 - $520.75
Q3 2022	311,484	$147,109	$498.08	$444.08 - $541.06
Q2 2022	293,509	$140,668	$484.91	$388.78 - $584.62
Q1 2022	251,817	$145,009	$500.83	$447.15 - $559.84
Q4 2021	225,869	$128,226	$488.10	$415.17 - $544.86
Q3 2021	204,497	$91,891	$418.22	$374.22 - $447.84
Q2 2021	190,728	$75,466	$359.04	$333.36 - $380.48
Q1 2021	176,507	$62,215	$329.77	$291.05 - $361.01
Q4 2020	77,034	$29,025	$347.39	$324.71 - $367.18
Q3 2020	69,024	$24,504	$309.06	$276.17 - $334.67
Q2 2020	66,915	$20,290	$279.18	$257.36 - $295.59
Q1 2020	61,526	$17,550	$277.78	$248.54 - $298.00
Q4 2019	66,415	$19,521	$271.52	$256.90 - $280.77
Q3 2019	60,928	$17,554	$256.34	$238.19 - $280.38
Q2 2019	61,362	$16,216	$226.60	$212.14 - $244.81
Q1 2019	65,154	$15,776	$198.35	$180.94 - $220.09
Q4 2018	54,360	$11,063	$201.98	$171.58 - $217.57
Q3 2018	16,125	$3,788	$203.13	$185.65 - $221.43
Q2 2018	15,219	$3,181	$177.76	$162.55 - $191.42
Q1 2018	9,093	$1,713	$169.26	$157.50 - $179.09
Q4 2017	7,502	$1,396	$154.45	$137.67 - $175.03
Q3 2017	7,298	$1,198	$140.12	$133.57 - $147.68
Q2 2017	5,626	$900	$150.98	$139.41 - $162.71
Q1 2017	12,665	$2,123	$142.87	$134.91 - $152.51
Q4 2016	12,571	$2,013	$129.79	$120.95 - $140.39
Q3 2016	13,199	$2,014	$136.95	$124.90 - $143.90
Q2 2016	14,421	$2,264	$128.04	$117.26 - $134.37
Q1 2016	7,437	$1,172	$127.74	$119.17 - $135.67
Q4 2015	4,346	$702	$132.84	$119.34 - $142.82
Q3 2015	5,586	$808	$119.60	$98.22 - $123.53
Q2 2015	5,547	$749	$120.23	$112.77 - $127.67
Q1 2015	3,978	$603	$120.91	$111.40 - $128.73
Q4 2014	4,262	$604	$109.42	$98.12 - $118.34
Q3 2014	3,668	$460	$97.13	$92.09 - $102.72
Q2 2014	3,764	$433	$91.81	$88.18 - $95.25
Q1 2014	3,402	$380	$91.29	$87.26 - $95.07
Q4 2013	3,335	$397	$95.15	$87.55 - $100.50
Q3 2013	3,135	$361	$91.64	$87.25 - $95.29
Q2 2013	3,115	$344	$86.56	$81.59 - $91.78