GROUP ONE TRADING, L.P. - TOWER GROUP INTERNATIONAL LTD ownership

TOWER GROUP INTERNATIONAL LTD's ticker is and the CUSIP is G8988C905. A total of 2 filers reported holding TOWER GROUP INTERNATIONAL LTD in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of TOWER GROUP INTERNATIONAL LTD
ValueSharesWeighting
Q2 2014$339,000
-3.4%
188,400
+44.9%
0.01%
-16.7%
Q1 2014$351,000
+92.9%
130,000
+141.2%
0.01%
+100.0%
Q4 2013$182,000
+0.6%
53,900
+108.9%
0.00%0.0%
Q3 2013$181,000
+761.9%
25,800
+2480.0%
0.00%
+200.0%
Q2 2013$21,0001,0000.00%
Other shareholders
TOWER GROUP INTERNATIONAL LTD shareholders Q4 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 53,900$182,0000.00%
Citadel Advisors 43,900$148,0000.00%
View complete list of TOWER GROUP INTERNATIONAL LTD shareholders