Skip to main content
Livermore
Livermore
ZHEN

Gardner Russo & Quinn

Superinvestor

Gardner Russo & Quinn LLC

SEC CIK
0000860643
Manager
Tom Russo
Style
Quality, Value
Latest filing
Aug 13, 2026

COST holding history

Costco Wholesale Corp in every 13F filed by Gardner Russo & Quinn, 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)
3,399
Value
$3.18M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of COST by Gardner Russo & Quinn, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20263,399$3.18M<0.1%−1,225−26.5%ReducedHolders
Q1 20264,624$4.61M0.1%00.0%UnchangedHolders
Q4 20254,624$3.99M<0.1%00.0%UnchangedHolders
Q3 20254,624$4.28M<0.1%−9−0.2%ReducedHolders
Q2 20254,633$4.59M<0.1%−4−0.1%ReducedHolders
Q1 20254,637$4.39M<0.1%−760−14.1%ReducedHolders
Q4 20245,397$4.95M0.1%−25−0.5%ReducedHolders
Q3 20245,422$4.81M<0.1%−55−1.0%ReducedHolders
Q2 20245,477$4.66M<0.1%00.0%UnchangedHolders
Q1 20245,477$4.01M<0.1%−73−1.3%ReducedHolders
Q4 20235,550$3.66M<0.1%+407+7.9%AddedHolders
Q3 20235,143$2.91M<0.1%−85−1.6%ReducedHolders
Q2 20235,228$2.81M<0.1%+96+1.9%AddedHolders
Q1 20235,132$2.55M<0.1%−257−4.8%ReducedHolders
Q4 20225,389$2.46M<0.1%00.0%UnchangedHolders
Q3 20225,389$2.54M<0.1%−200−3.6%ReducedHolders
Q2 20225,589$2.68M<0.1%−150−2.6%ReducedHolders
Q1 20225,739$3.31M<0.1%+475+9.0%AddedHolders
Q4 20215,264$2.99M<0.1%00.0%UnchangedHolders
Q3 20215,264$2.37M<0.1%+96+1.9%AddedHolders
Q2 20215,168$2.04M<0.1%−126−2.4%ReducedHolders
Q1 20215,294$1.87M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.