Boston Family Office LLC / COST
Boston Family Office LLC’s Costco Wholesale Corporation Position
Does Boston Family Office LLC own Costco Wholesale Corporation (COST)? Yes — 12.9K shares worth $13M (+0.86% of its 13F portfolio) as of Q1 2026, down from 13.5K shares the prior filed quarter.
Position Value
$13M
Q1 2026
Shares
12.9K
% of Portfolio
+0.86%
Quarters Held
29
currently held
Position History COST
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q1 2026 | 12.9K | $13M | +0.86% |
| Q4 2025 | 13.5K | $12M | +0.74% |
| Q3 2025 | 12.7K | $12M | +0.75% |
| Q2 2025 | 12.7K | $13M | +0.83% |
| Q1 2025 | 12.4K | $12M | +0.83% |
| Q4 2024 | 12.5K | $11M | +0.79% |
| Q3 2024 | 12.8K | $11M | +0.77% |
| Q2 2024 | 12.9K | $11M | +0.79% |
| Q1 2024 | 13.1K | $10M | +0.69% |
| Q4 2023 | 13.6K | $9M | +0.68% |
| Q3 2023 | 14.2K | $8M | +0.66% |
| Q2 2023 | 13.9K | $7M | +0.57% |
| Q1 2023 | 13.7K | $7M | +0.55% |
| Q4 2022 | 10.0K | $5M | +0.38% |
| Q3 2022 | 9.4K | $4M | +0.39% |
| Q2 2022 | 9.2K | $4M | +0.37% |
| Q1 2022 | 8.4K | $5M | +0.34% |
| Q4 2021 | 8.3K | $5M | +0.31% |
| Q3 2021 | 8.5K | $4M | +0.28% |
| Q2 2021 | 7.4K | $3M | +0.21% |
| Q1 2021 | 7.4K | $3M | +0.20% |
| Q4 2020 | 7.4K | $3M | +0.21% |
| Q3 2020 | 7.0K | $2M | +0.23% |
| Q2 2020 | 6.3K | $2M | +0.19% |
| Q1 2020 | 6.5K | $2M | +0.22% |
| Q4 2019 | 5.4K | $2M | +0.15% |
| Q3 2019 | 4.0K | $1M | +0.12% |
| Q2 2019 | 3.9K | $1M | +0.11% |
| Q1 2019 | 3.9K | $948,000 | +0.10% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Boston Family Office LLC’s full portfolio or all institutional holders of COST.