COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

Twin Tree Management, LP's Holding History (CIK: 0001535588)

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

Q3 2025

Shares 3,024 Value ($000) $2,799 Avg Close $956.70 Range $902.01 - $997.89

Q1 2025

Shares 27,578 Value ($000) $26,083 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 67,395 Value ($000) $61,752 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 60,643 Value ($000) $53,761 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 51,413 Value ($000) $43,701 Avg Close $773.82 Range $690.64 - $867.04

Q1 2023

Shares 2,662 Value ($000) $1,323 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 124,390 Value ($000) $56,784 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 54,395 Value ($000) $25,689 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 59,966 Value ($000) $28,741 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 23,014 Value ($000) $13,253 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 85,616 Value ($000) $48,604 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 101,958 Value ($000) $45,815 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 70,927 Value ($000) $28,064 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 69,103 Value ($000) $24,357 Avg Close $329.77 Range $291.05 - $361.01

Q4 2020

Shares 17,505 Value ($000) $6,596 Avg Close $347.39 Range $324.71 - $367.18

Q2 2020

Shares 13,582 Value ($000) $4,118 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 52,853 Value ($000) $15,070 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 17,407 Value ($000) $5,116 Avg Close $271.52 Range $256.90 - $280.77

Q3 2019

Shares 32,041 Value ($000) $9,231 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 18,072 Value ($000) $4,776 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 5,347 Value ($000) $1,295 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 11,615 Value ($000) $2,366 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 33,872 Value ($000) $7,956 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 13,026 Value ($000) $2,722 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 6,011 Value ($000) $1,133 Avg Close $169.26 Range $157.50 - $179.09

Q2 2017

Shares 40,158 Value ($000) $6,422 Avg Close $150.98 Range $139.41 - $162.71

Q4 2016

Shares 38,757 Value ($000) $6,205 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 8,269 Value ($000) $1,261 Avg Close $136.95 Range $124.90 - $143.90

Q4 2015

Shares 13,524 Value ($000) $2,184 Avg Close $132.84 Range $119.34 - $142.82

Q3 2015

Shares 1,405 Value ($000) $203 Avg Close $119.60 Range $98.22 - $123.53

Q1 2015

Shares 10,305 Value ($000) $1,561 Avg Close $120.91 Range $111.40 - $128.73

Q4 2014

Shares 15,148 Value ($000) $2,147 Avg Close $109.42 Range $98.12 - $118.34

Q1 2014

Shares 11,621 Value ($000) $1,298 Avg Close $91.29 Range $87.26 - $95.07

Q4 2013

Shares 8,309 Value ($000) $989 Avg Close $95.15 Range $87.55 - $100.50

Q3 2013

Shares 11,414 Value ($000) $1,315 Avg Close $91.64 Range $87.25 - $95.29

Q1 2013

Shares 7,880 Value ($000) $836 Avg Close $80.79 Range $78.23 - $84.64

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	3,024	$2,799	$956.70	$902.01 - $997.89
Q1 2025	27,578	$26,083	$970.56	$877.95 - $1073.82
Q4 2024	67,395	$61,752	$922.64	$861.51 - $1003.02
Q3 2024	60,643	$53,761	$861.91	$787.84 - $917.81
Q2 2024	51,413	$43,701	$773.82	$690.64 - $867.04
Q1 2023	2,662	$1,323	$471.27	$429.88 - $509.61
Q4 2022	124,390	$56,784	$468.77	$430.19 - $520.75
Q3 2022	54,395	$25,689	$498.08	$444.08 - $541.06
Q2 2022	59,966	$28,741	$484.91	$388.78 - $584.62
Q1 2022	23,014	$13,253	$500.83	$447.15 - $559.84
Q4 2021	85,616	$48,604	$488.10	$415.17 - $544.86
Q3 2021	101,958	$45,815	$418.22	$374.22 - $447.84
Q2 2021	70,927	$28,064	$359.04	$333.36 - $380.48
Q1 2021	69,103	$24,357	$329.77	$291.05 - $361.01
Q4 2020	17,505	$6,596	$347.39	$324.71 - $367.18
Q2 2020	13,582	$4,118	$279.18	$257.36 - $295.59
Q1 2020	52,853	$15,070	$277.78	$248.54 - $298.00
Q4 2019	17,407	$5,116	$271.52	$256.90 - $280.77
Q3 2019	32,041	$9,231	$256.34	$238.19 - $280.38
Q2 2019	18,072	$4,776	$226.60	$212.14 - $244.81
Q1 2019	5,347	$1,295	$198.35	$180.94 - $220.09
Q4 2018	11,615	$2,366	$201.98	$171.58 - $217.57
Q3 2018	33,872	$7,956	$203.13	$185.65 - $221.43
Q2 2018	13,026	$2,722	$177.76	$162.55 - $191.42
Q1 2018	6,011	$1,133	$169.26	$157.50 - $179.09
Q2 2017	40,158	$6,422	$150.98	$139.41 - $162.71
Q4 2016	38,757	$6,205	$129.79	$120.95 - $140.39
Q3 2016	8,269	$1,261	$136.95	$124.90 - $143.90
Q4 2015	13,524	$2,184	$132.84	$119.34 - $142.82
Q3 2015	1,405	$203	$119.60	$98.22 - $123.53
Q1 2015	10,305	$1,561	$120.91	$111.40 - $128.73
Q4 2014	15,148	$2,147	$109.42	$98.12 - $118.34
Q1 2014	11,621	$1,298	$91.29	$87.26 - $95.07
Q4 2013	8,309	$989	$95.15	$87.55 - $100.50
Q3 2013	11,414	$1,315	$91.64	$87.25 - $95.29
Q1 2013	7,880	$836	$80.79	$78.23 - $84.64