Costco Wholesale Corp (COST)
- Sector
- Consumer Staples
- Industry
- Consumer Staples Merchandise Retail
- Last price
- $982.00
- As of
Kresmion compiles this page from COST's SEC filings, its 13F institutional holders and the market events Kresmion detects, each linked to its source.
COSTCO WHOLESALE CORP /NEW (COST): 5 institutional managers tracked by Kresmion reported non-option positions in their 2026Q2 Form 13F filings, and the most recent SEC filing on record for the company is a Form 8-K filed 2026-10-14.
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Preview the COST dossierActive signals for COST
- highinsider_cluster_sell
2 insiders at COST sold $2.7M this week
- highINSTITUTIONAL_EXIT
CITADEL ADVISORS LLC cut 61% of COST (2026Q2)
- highINSTITUTIONAL_SURGE
MILLENNIUM MANAGEMENT LLC added +219% to COST (2026Q2)
- highINSTITUTIONAL_SURGE
MILLENNIUM MANAGEMENT LLC added +163% to COST (2026Q2)
- highINSTITUTIONAL_SURGE
D. E. Shaw & Co., Inc. added +1770% to COST (2026Q2)
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Every signal on COST, as it fires
You are seeing 5 of 8 signals recorded on COST since 2026-08-16.
The five above landed across 2 days. The other 3 were recorded on those same days. 7 of the 8 are institutional flow rows, which arrive in batches on filing days.
No fixed schedule: it goes out when the data has something in it. Unsubscribe anytime. We never sell your data.
Largest reported share positions in COST (2026Q2)
| Manager / security | Market value | % portfolio | QoQ |
|---|---|---|---|
| TWO SIGMA INVESTMENTS, LPCUSIP 22160K105 · 2026Q2 | $941.3M | 0.68% | , |
| D. E. Shaw & Co., Inc.CUSIP 22160K105 · 2026Q2 | $817M | 0.39% | , |
| CITADEL ADVISORS LLCCUSIP 22160K105 · 2026Q2 | $476.8M | 0.05% | , |
| MILLENNIUM MANAGEMENT LLCCUSIP 22160K105 · 2026Q2 | $356.2M | 0.13% | , |
| Bridgewater Associates, LPCUSIP 22160K105 · 2026Q2 | $24.8M | 0.10% | , |
Quarterly SEC Form 13F disclosures from the managers Kresmion tracks, not a complete ownership ranking. Non-option holdings only; reported put and call positions are excluded. Different securities are labeled by CUSIP. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.
Recent SEC filings, COST
- 8-KSEC EDGAR ↗
- 10-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 10-QSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 10-QSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
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