COST — COSTCO WHOLESALE CORP /NEW
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Dividends
Measured signals that fired on COST
| date | signal | measured base rate |
|---|---|---|
| 2026-08-20 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-07-27 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-09 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-05-22 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-05-18 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-05-13 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-07-10 | RAIKES JEFFREY S Director | Gift | 5.2K | 0.00 | 0 |
| 2026-06-23 | DENMAN KENNETH D Director | Open-market sale | 885 | 957.45 | 847.3K |
| 2026-04-01 | Frates Caton Executive Vice President | Open-market sale | 700 | 993.00 | 695.1K |
| 2026-03-12 | George Sarah Catherine Executive Vice President | Discretionary Transaction | 642 | 991.21 | 636.5K |
| 2026-03-11 | MILLERCHIP GARY Executive Vice President | Shares withheld for tax | 1.2K | 992.23 | 1.1M |
| 2026-03-09 | Adamo Claudine Executive Vice President | Open-market sale | 730 | 1,003.02 | 732.2K |
| 2026-01-27 | RAIKES JEFFREY S Director | Gift | 5.1K | 0.00 | 0 |
| 2026-01-27 | Jones Teresa A. Executive Vice President | Gift | 300 | 0.00 | 0 |
| 2026-01-21 | Jones Teresa A. Executive Vice President | Open-market sale | 850 | 986.26 | 838.3K |
| 2026-01-16 | DECKER SUSAN L Director | Open-market sale | 458 | 955.00 | 437.4K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BlackRock, Inc. | 34.8B | 34.9M |
| VANGUARD CAPITAL MANAGEMENT LLC | 28.7B | 28.8M |
| STATE STREET CORP | 18.1B | 18.2M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 10.7B | 10.7M |
| GEODE CAPITAL MANAGEMENT, LLC | 10.6B | 10.7M |
| MORGAN STANLEY | 9.9B | 9.9M |
| BANK OF AMERICA CORP /DE/ | 7.5B | 7.5M |
| FMR LLC | 6.7B | 6.7M |
| NORTHERN TRUST CORP | 4.9B | 4.9M |
| Invesco Ltd. | 4.3B | 4.3M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 4 | 2026-07-14 | 2026-07-10 | on EDGAR ↗ |
| 8-K | 2026-07-08 | 2026-07-07 | on EDGAR ↗ |
| 11-K | 2026-06-29 | 2025-12-31 | on EDGAR ↗ |
| 4 | 2026-06-25 | 2026-06-23 | on EDGAR ↗ |
| 144 | 2026-06-23 | — | on EDGAR ↗ |
| 144 | 2026-06-12 | — | on EDGAR ↗ |
| 144 | 2026-06-05 | — | on EDGAR ↗ |
| S-3ASR | 2026-06-03 | — | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- Costco Stock: Higher Oil Prices are Bringing Customers to Costco · 2026-08-23
- Centers For Disease Control And Prevention: Investigating A Multistate Outbreak Of E. Coli And Salmonella Infections Linked To Alfalfa Sprouts · 2026-08-21 · benzinga
- It's Been 26 Years Since Costco Split 2-for-1. Here's What $1,000 Invested the Day Before the Split Would Be Worth Today. · 2026-08-21
- A 10-Year Treasury Bond Now Pays More Than 118 Of America's Biggest Companies · 2026-08-20 · benzinga
- Walmart falls after U.S. sales growth disappoints; Target and Costco also lower · 2026-08-20
- Here’s How Much You Would Have Made Owning Costco Wholesale Stock In The Last 20 Years · 2026-08-19 · benzinga
Others in Consumer Discretionary
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