AlphaMark Advisors, LLC - SIRIUS XM RADIO INC ownership

SIRIUS XM RADIO INC's ticker is SIRI and the CUSIP is 82967N108. A total of 4 filers reported holding SIRIUS XM RADIO INC in Q1 2018. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
AlphaMark Advisors, LLC ownership history of SIRIUS XM RADIO INC
ValueSharesWeighting
Q2 2019$6,0000.0%1,0040.0%0.00%0.0%
Q1 2019$6,0000.0%1,0040.0%0.00%
+50.0%
Q3 2018$6,000
-14.3%
1,0040.0%0.00%
-33.3%
Q2 2018$7,000
+16.7%
1,0040.0%0.00%0.0%
Q1 2018$6,000
+20.0%
1,0040.0%0.00%
+50.0%
Q4 2017$5,000
-16.7%
1,0040.0%0.00%
-33.3%
Q3 2017$6,000
+20.0%
1,0040.0%0.00%
+50.0%
Q2 2017$5,0001,0040.00%
Other shareholders
SIRIUS XM RADIO INC shareholders Q1 2018
NameSharesValueWeighting ↓
ACT II MANAGEMENT, LP 3,006,940$10,494,0002.60%
Avenir Corp 898,952$3,137,0000.28%
Corsair Capital Management 410,038$1,431,0000.16%
Kistler-Tiffany Companies, LLC 102,894$360,0000.14%
GROUP ONE TRADING, L.P. 2,310,096$8,062,0000.12%
ALTFEST L J & CO INC 20,195$70,0000.06%
Horrell Capital Management, Inc. 30,000$105,0000.05%
Douglass Winthrop Advisors, LLC 110,780$387,0000.04%
ParenteBeard Wealth Management, LLC 25,580$89,0000.04%
KING LUTHER CAPITAL MANAGEMENT CORP 1,053,160$3,676,0000.03%
View complete list of SIRIUS XM RADIO INC shareholders