COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

Platform Technology Partners's Holding History (CIK: 0001830817)

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

Q4 2025

Shares 3,548 Value ($000) $3,060 Avg Close $905.73 Range $844.06 - $962.64

Q3 2025

Shares 3,623 Value ($000) $3,353 Avg Close $956.70 Range $902.01 - $997.89

Q2 2025

Shares 3,661 Value ($000) $3,624 Avg Close $990.72 Range $868.14 - $1064.10

Q1 2025

Shares 3,664 Value ($000) $3,466 Avg Close $970.56 Range $877.95 - $1073.82

Q4 2024

Shares 3,704 Value ($000) $3,394 Avg Close $922.64 Range $861.51 - $1003.02

Q3 2024

Shares 3,746 Value ($000) $3,321 Avg Close $861.91 Range $787.84 - $917.81

Q2 2024

Shares 3,756 Value ($000) $3,192 Avg Close $773.82 Range $690.64 - $867.04

Q4 2023

Shares 3,656 Value ($000) $2,641 Avg Close $573.49 Range $521.47 - $661.25

Q3 2023

Shares 3,679 Value ($000) $2,079 Avg Close $532.21 Range $505.45 - $552.31

Q2 2023

Shares 3,245 Value ($000) $1,719 Avg Close $487.14 Range $459.09 - $519.84

Q1 2023

Shares 3,216 Value ($000) $1,598 Avg Close $471.27 Range $429.88 - $509.61

Q4 2022

Shares 3,203 Value ($000) $1,462 Avg Close $468.77 Range $430.19 - $520.75

Q3 2022

Shares 3,010 Value ($000) $1,422 Avg Close $498.08 Range $444.08 - $541.06

Q2 2022

Shares 3,044 Value ($000) $1,459 Avg Close $484.91 Range $388.78 - $584.62

Q1 2022

Shares 2,746 Value ($000) $1,581 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 2,758 Value ($000) $1,566 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 2,783 Value ($000) $1,250 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 2,758 Value ($000) $1,091 Avg Close $359.04 Range $333.36 - $380.48

Q4 2020

Shares 2,234 Value ($000) $842 Avg Close $347.39 Range $324.71 - $367.18

Q3 2020

Shares 2,115 Value ($000) $751 Avg Close $309.06 Range $276.17 - $334.67

Q2 2020

Shares 1,857 Value ($000) $563 Avg Close $279.18 Range $257.36 - $295.59

Q1 2020

Shares 1,448 Value ($000) $413 Avg Close $277.78 Range $248.54 - $298.00

Q4 2019

Shares 1,299 Value ($000) $382 Avg Close $271.52 Range $256.90 - $280.77

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,548	$3,060	$905.73	$844.06 - $962.64
Q3 2025	3,623	$3,353	$956.70	$902.01 - $997.89
Q2 2025	3,661	$3,624	$990.72	$868.14 - $1064.10
Q1 2025	3,664	$3,466	$970.56	$877.95 - $1073.82
Q4 2024	3,704	$3,394	$922.64	$861.51 - $1003.02
Q3 2024	3,746	$3,321	$861.91	$787.84 - $917.81
Q2 2024	3,756	$3,192	$773.82	$690.64 - $867.04
Q4 2023	3,656	$2,641	$573.49	$521.47 - $661.25
Q3 2023	3,679	$2,079	$532.21	$505.45 - $552.31
Q2 2023	3,245	$1,719	$487.14	$459.09 - $519.84
Q1 2023	3,216	$1,598	$471.27	$429.88 - $509.61
Q4 2022	3,203	$1,462	$468.77	$430.19 - $520.75
Q3 2022	3,010	$1,422	$498.08	$444.08 - $541.06
Q2 2022	3,044	$1,459	$484.91	$388.78 - $584.62
Q1 2022	2,746	$1,581	$500.83	$447.15 - $559.84
Q4 2021	2,758	$1,566	$488.10	$415.17 - $544.86
Q3 2021	2,783	$1,250	$418.22	$374.22 - $447.84
Q2 2021	2,758	$1,091	$359.04	$333.36 - $380.48
Q4 2020	2,234	$842	$347.39	$324.71 - $367.18
Q3 2020	2,115	$751	$309.06	$276.17 - $334.67
Q2 2020	1,857	$563	$279.18	$257.36 - $295.59
Q1 2020	1,448	$413	$277.78	$248.54 - $298.00
Q4 2019	1,299	$382	$271.52	$256.90 - $280.77