Harbor Advisory Corp
- SEC CIK
- 0001100710
- Latest filing
- Aug 13, 2026
COST holding history
Costco Wholesale Corp in every 13F filed by Harbor Advisory Corp, 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 (Q4 2025)
- 0
- Sold out in Q4 2025
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 5
- Since Q3 2024
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q4 2025 | 0 | $0 | 0.0% | −227−100.0% | Sold out | Holders |
| Q3 2025 | 227 | $210.1K | 0.1% | 00.0% | Unchanged | Holders |
| Q2 2025 | 227 | $224.7K | 0.1% | 00.0% | Unchanged | Holders |
| Q1 2025 | 227 | $214.7K | 0.1% | −46−16.8% | Reduced | Holders |
| Q4 2024 | 273 | $250.1K | 0.1% | 00.0% | Unchanged | Holders |
| Q3 2024 | 273 | $242.0K | 0.1% | +273 | New | Holders |