Costco Wholesale Corporation shares owned by Calamos Advisors
Quarter-by-quarter ownership of Costco Wholesale Corporation (COST) shares owned by Calamos Advisors
from 13F filings
Historical chart of Calamos Advisors investment in Costco Wholesale Corporation
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Quarterly reported holdings in Costco Wholesale Corporation by Calamos Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2013-03-31 | $121M | 1.1M | 106.11 |
| 2012-12-31 | $126M | 1.3M | 98.77 |
| 2012-09-30 | $6.2M | 62k | 100.13 |
| 2012-06-30 | $7.6M | 80k | 95.00 |
| 2012-03-31 | $7.3M | 80k | 90.80 |
| 2011-12-31 | $6.7M | 80k | 83.32 |
| 2010-12-31 | $6.9M | 95k | 72.21 |