Costco Wholesale Corporation shares owned by Main Street Research
Quarter-by-quarter ownership of Costco Wholesale Corporation (COST) shares owned by Main Street Research
from 13F filings
Historical chart of Main Street Research investment in Costco Wholesale Corporation
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Quarterly reported holdings in Costco Wholesale Corporation by Main Street Research
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2013-03-31 | $3.5M | 33k | 106.10 |
| 2012-12-31 | $3.2M | 33k | 98.73 |
| 2012-09-30 | $3.4M | 34k | 100.15 |
| 2012-06-30 | $3.2M | 34k | 95.01 |
| 2012-03-31 | $3.1M | 34k | 90.80 |
| 2011-12-31 | $2.9M | 34k | 83.33 |
| 2011-09-30 | $2.8M | 34k | 82.14 |
| 2011-06-30 | $2.8M | 35k | 81.25 |
| 2011-03-31 | $2.6M | 35k | 73.34 |
| 2010-12-31 | $2.5M | 35k | 72.22 |
| 2010-09-30 | $2.2M | 34k | 64.48 |
| 2010-06-30 | $1.9M | 34k | 54.83 |
| 2010-03-31 | $1.9M | 32k | 59.73 |
| 2009-12-31 | $1.9M | 32k | 59.16 |