COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

Alyeska Investment Group, L.P.'s Holding History (CIK: 0001453072)

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

Q2 2025

Shares 3,664 Value ($000) $3,627 Avg Close $990.72 Range $868.14 - $1064.10

Q3 2023

Shares 82,298 Value ($000) $46,495 Avg Close $532.21 Range $505.45 - $552.31

Q1 2023

Shares 20,628 Value ($000) $10,249 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 78,066 Value ($000) $35,637 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 139,673 Value ($000) $65,963 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 19,043 Value ($000) $9,127 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 207,007 Value ($000) $119,205 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 56,523 Value ($000) $32,088 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 104,761 Value ($000) $47,074 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 234,088 Value ($000) $92,622 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 62,200 Value ($000) $21,924 Avg Close $329.77 Range $291.05 - $361.01

Q3 2020

Shares 69,879 Value ($000) $24,807 Avg Close $309.06 Range $276.17 - $334.67

Q3 2019

Shares 16,507 Value ($000) $4,756 Avg Close $256.34 Range $238.19 - $280.38

Q2 2019

Shares 115,429 Value ($000) $30,503 Avg Close $226.60 Range $212.14 - $244.81

Q1 2019

Shares 235,445 Value ($000) $57,011 Avg Close $198.35 Range $180.94 - $220.09

Q4 2018

Shares 270,352 Value ($000) $55,073 Avg Close $201.98 Range $171.58 - $217.57

Q3 2018

Shares 12,076 Value ($000) $2,836 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 504,142 Value ($000) $105,356 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 429,080 Value ($000) $80,852 Avg Close $169.26 Range $157.50 - $179.09

Q1 2017

Shares 628,592 Value ($000) $105,409 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 588,197 Value ($000) $94,176 Avg Close $129.79 Range $120.95 - $140.39

Q4 2015

Shares 109,500 Value ($000) $17,684 Avg Close $132.84 Range $119.34 - $142.82

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	3,664	$3,627	$990.72	$868.14 - $1064.10
Q3 2023	82,298	$46,495	$532.21	$505.45 - $552.31
Q1 2023	20,628	$10,249	$471.27	$429.88 - $509.61
Q4 2022	78,066	$35,637	$468.77	$430.19 - $520.75
Q3 2022	139,673	$65,963	$498.08	$444.08 - $541.06
Q2 2022	19,043	$9,127	$484.91	$388.78 - $584.62
Q1 2022	207,007	$119,205	$500.83	$447.15 - $559.84
Q4 2021	56,523	$32,088	$488.10	$415.17 - $544.86
Q3 2021	104,761	$47,074	$418.22	$374.22 - $447.84
Q2 2021	234,088	$92,622	$359.04	$333.36 - $380.48
Q1 2021	62,200	$21,924	$329.77	$291.05 - $361.01
Q3 2020	69,879	$24,807	$309.06	$276.17 - $334.67
Q3 2019	16,507	$4,756	$256.34	$238.19 - $280.38
Q2 2019	115,429	$30,503	$226.60	$212.14 - $244.81
Q1 2019	235,445	$57,011	$198.35	$180.94 - $220.09
Q4 2018	270,352	$55,073	$201.98	$171.58 - $217.57
Q3 2018	12,076	$2,836	$203.13	$185.65 - $221.43
Q2 2018	504,142	$105,356	$177.76	$162.55 - $191.42
Q1 2018	429,080	$80,852	$169.26	$157.50 - $179.09
Q1 2017	628,592	$105,409	$142.87	$134.91 - $152.51
Q4 2016	588,197	$94,176	$129.79	$120.95 - $140.39
Q4 2015	109,500	$17,684	$132.84	$119.34 - $142.82