GROUP ONE TRADING, L.P. - SIRIUS XM RADIO INC ownership

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SIRIUS XM RADIO INC's ticker is SIRI and the CUSIP is 82967N108. A total of 441 filers reported holding SIRIUS XM RADIO INC in Q3 2013. The put-call ratio across all filers is 0.95 and the average weighting 0.2%.

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Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of SIRIUS XM RADIO INC
ValueSharesWeighting
Q4 2013$8,062,000
+272.7%
2,310,096
+313.3%
0.12%
+197.6%
Q3 2013$2,163,000
-34.2%
558,987
-43.0%
0.04%
-49.4%
Q2 2013$3,287,000–981,253–0.08%–
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Other shareholders
SIRIUS XM RADIO INC shareholders Q3 2013
NameSharesValueWeighting ↓
Mengis Capital Management, Inc. 46,600$283,0000.06%
FERGUSON WELLMAN CAPITAL MANAGEMENT, INC 10,902$66,0000.00%
IFP Advisors, Inc 0$00.00%
View complete list of SIRIUS XM RADIO INC shareholders