SIRIUS XM RADIO INC's ticker is and the CUSIP is 82967N908. A total of 1 filers reported holding SIRIUS XM RADIO INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2013 | $122,000 | – | 31,500 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 2,465,300 | $8,604,000 | 0.13% |