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Livermore
Livermore
ZHEN

Rockingstone Advisors LLC

SEC CIK
0002027176
Latest filing
Jul 13, 2026

COST holding history

Costco Wholesale Corp in every 13F filed by Rockingstone Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

COST overviewAll 13F holders of COSTFull Q2 2026 holdings

Shares (Q2 2026)
2,495
Value
$2.33M
% of portfolio
0.9%
Quarters held
15
Since Q4 2022
Holdings of COST by Rockingstone Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20262,495$2.33M0.9%+54+2.2%AddedHolders
Q1 20262,441$2.43M1.1%+5+0.2%AddedHolders
Q4 20252,436$2.10M1.0%+161+7.1%AddedHolders
Q3 20252,275$2.11M1.0%+6+0.3%AddedHolders
Q2 20252,269$2.25M1.2%−999−30.6%ReducedHolders
Q1 20253,268$3.09M1.4%+46+1.4%AddedHolders
Q4 20243,222$2.95M1.3%−192−5.6%ReducedHolders
Q3 20243,414$3.03M1.5%+90+2.7%AddedHolders
Q2 20243,324$2.83M1.5%00.0%UnchangedHolders
Q1 20243,324$2.44M1.3%−66−1.9%ReducedHolders
Q4 20233,390$2.24M1.3%−323−8.7%ReducedHolders
Q3 20233,713$2.10M1.2%+10+0.3%AddedHolders
Q2 20233,703$1.99M1.1%+3+0.1%AddedHolders
Q1 20233,700$1.84M1.1%+49+1.3%AddedHolders
Q4 20223,651$1.67M1.2%–No prior filingHolders