COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

Riverstone Advisors, LLC's Holding History (CIK: 0001763404)

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

Q4 2025
Shares 710 Value ($000) $612 Avg Close $905.73 Range $844.06 - $962.64
Q3 2025
Shares 732 Value ($000) $678 Avg Close $956.70 Range $902.01 - $997.89
Q2 2025
Shares 726 Value ($000) $719 Avg Close $990.72 Range $868.14 - $1064.10
Q1 2025
Shares 724 Value ($000) $685 Avg Close $970.56 Range $877.95 - $1073.82
Q4 2024
Shares 689 Value ($000) $631 Avg Close $922.64 Range $861.51 - $1003.02
Q3 2024
Shares 513 Value ($000) $455 Avg Close $861.91 Range $787.84 - $917.81
Q2 2024
Shares 443 Value ($000) $377 Avg Close $773.82 Range $690.64 - $867.04
Q1 2024
Shares 329 Value ($000) $241 Avg Close $706.75 Range $633.49 - $779.59
Q4 2023
Shares 313 Value ($000) $207 Avg Close $573.49 Range $521.47 - $661.25