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Westmount Partners, LLC

SEC CIK
0002051491
Latest filing
Jul 7, 2026

COST holding history

Costco Wholesale Corp in every 13F filed by Westmount Partners, 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)
3,672
Value
$3.44M
% of portfolio
0.8%
Quarters held
15
Since Q4 2022
Holdings of COST by Westmount Partners, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20263,672$3.44M0.8%+25+0.7%AddedHolders
Q1 20263,647$3.63M0.9%+180+5.2%AddedHolders
Q4 20253,467$2.99M0.7%00.0%UnchangedHolders
Q3 20253,467$3.18M0.8%−4−0.1%ReducedHolders
Q2 20253,471$3.44M0.9%+17+0.5%AddedHolders
Q1 20253,454$3.27M1.0%−427−11.0%ReducedHolders
Q4 20243,881$3.56M1.1%+224+6.1%AddedHolders
Q3 20243,657$3.24M1.0%−341−8.5%ReducedHolders
Q2 20243,998$3.38M1.1%+998+33.3%AddedHolders
Q1 20243,000$2.20M0.8%+3+0.1%AddedHolders
Q4 20232,997$1.98M0.8%−123−3.9%ReducedHolders
Q3 20233,120$1.76M0.8%+3+0.1%AddedHolders
Q2 20233,117$1.68M0.7%+95+3.1%AddedHolders
Q1 20233,022$1.50M0.7%+359+13.5%AddedHolders
Q4 20222,663$1.22M0.6%–No prior filingHolders