Calamos Advisors LLC - ISHARES TR ownership

ISHARES TR's ticker is and the CUSIP is 464287955. A total of 27 filers reported holding ISHARES TR in Q4 2017. The put-call ratio across all filers is 383.57 and the average weighting 2.4%.

Quarter-by-quarter ownership
Calamos Advisors LLC ownership history of ISHARES TR
ValueSharesWeighting
Q4 2019$31,630,000
+142.4%
455,500
+105.2%
0.16%
+81.4%
Q4 2018$13,049,000
-78.7%
222,000
-75.3%
0.09%
-74.5%
Q3 2018$61,191,000
-53.5%
900,000
-54.2%
0.34%
-58.1%
Q2 2018$131,529,000
+7.1%
1,964,000
+11.4%
0.80%
+0.6%
Q1 2018$122,846,000
+97.8%
1,763,000
+99.5%
0.80%
+152.1%
Q4 2017$62,119,000
+167789.2%
883,500
+224.8%
0.32%
Q3 2017$37,000272,0000.00%
Other shareholders
ISHARES TR shareholders Q4 2017
NameSharesValueWeighting ↓
Black Swift Group, LLC 500,000$81,885,00037.15%
Tourbillon Capital Partners, L.P. 1,650,000$270,221,00010.45%
QVR LLC 819,400$79,704,0008.40%
Optiver US LLC 72,586$1,189,363,0005.74%
Gladius Capital Management LP 300,000$49,131,0005.00%
Tikehau Investment Management 110,000$18,015,0003.82%
CTC LLC 141,952$2,324,545,0003.78%
Alta Park Capital, LP 60,000$9,826,0003.74%
SPHERA FUNDS MANAGEMENT LTD. 150,000$24,566,0003.39%
TLP GROUP LLC 304,600$1,661,0002.52%
View complete list of ISHARES TR shareholders