COST
COSTCO WHOLESALE CORPData as of 2026 Q2 (06-30) · 13F snapshot
Summary
COSTCO WHOLESALE CORP (COST) is held as common stock by 6 tracked hedge-fund managers, with a combined reported value of ~$898.95M; the largest are Ken Griffin, Izzy Englander, Ray Dalio. 4 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 4 added, 2 trimmed, 2 closed. 20 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Mixed
Common-stock holders64 also report options
Congress trades20
Price$922.92vs quarter-end-1.34%
Sectors1
This quarter's moves
Top holderNew0
Added4
Trimmed / sold4
Ken GriffinCommon-stock positions
PUT and CALL disclosures are excluded from these holder counts and values.
| Investor | Value | % of portfolio | Action |
|---|
PUT / CALL disclosures
Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.
Value $1.48B— of portfolio1,581,7002026 Q2
Value $1.45B— of portfolio1,549,6002026 Q2
Value $431.25M— of portfolio461,0002026 Q2
Value $125.35M— of portfolio134,0002026 Q2
Value $71.10M— of portfolio76,0002026 Q2
Value $56.78M— of portfolio60,7002026 Q2
Value $40.23M— of portfolio43,0002026 Q2
Value $14.78M— of portfolio15,8002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinCALL | $1.48B | — | — |
| Ken GriffinPUT | $1.45B | — | — |
| Izzy EnglanderPUT | $431.25M | — | — |
| Izzy EnglanderCALL | $125.35M | — | — |
| Paul Tudor JonesPUT | $71.10M | — | — |
| Steven CohenCALL | $56.78M | — | — |
| Steven CohenPUT | $40.23M | — | — |
| Paul Tudor JonesCALL | $14.78M | — | — |
Insider Trading
Officers · directors · Form 4Open-market purchases and sales (P/S)3
Kenneth D Denman
Director
Sell$847.3K885 @ $957.45Traded 2026-06-23Filed 2026-06-25Caton Frates
Executive Vice President
Sell$695.1K700 @ $993.00Traded 2026-04-01Filed 2026-04-01Claudine Adamo
Executive Vice President
Sell$732.2K730 @ $1003Traded 2026-03-09Filed 2026-03-11
Insider transactions are public SEC Form 4 disclosures (company officers, directors, 10% owners), for research only — not investment advice.
Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.