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COST - COSTCO WHOLESALE CORPORATION

This page shows which of the focused investors we track hold COST and how their positions changed, so you can see how much conviction the group has in the stock.

In Q2 2026 it was held by 7 managers with an aggregate reported value of $47.15M, which is 0.00% of the combined portfolio.

As of Q2 2026, 7 tracked institutional managers held COST (COSTCO WHOLESALE CORPORATION) with an aggregate reported value of $47.15M0.00% of the combined AlphaBaseline portfolio.

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Source
Curated SEC 13F filings
Period
Q2 2026
Ticker
COST

13F data is delayed and excludes shorts/non-13F assets.

Holders

1Thomas Gayner - Markel Asset Management0.28%-39,150$36.62M
2Thomas Russo - Gardner Russo & Quinn0.04%Reduce -26.5%3,399$3.18M
3Christopher Bloomstran - Semper Augustus0.35%Reduce -0.4%3,354$3.14M
4Mairs & Power Growth Fund - Mairs & Power Growth Fund0.03%-2,963$2.77M
5Torray Funds - Torray Funds0.08%-628$587.48K
6David Katz - Matrix Asset Advisors0.04%Reduce -1.4%551$515.14K
7Bill Nygren - Oakmark Funds0.00%Reduce -1.1%358$334.9K
Loading holder history for COST