GROUP ONE TRADING, L.P. - HORSEHEAD HLDG CORP ownership

HORSEHEAD HLDG CORP's ticker is and the CUSIP is 440694955. A total of 3 filers reported holding HORSEHEAD HLDG CORP in Q4 2014. 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 HORSEHEAD HLDG CORP
ValueSharesWeighting
Q4 2015$787,000
+26.7%
383,800
+87.8%
0.01%0.0%
Q3 2015$621,000
-32.1%
204,400
+162.1%
0.01%
-30.8%
Q2 2015$914,000
-69.2%
78,000
-66.7%
0.01%
-72.3%
Q1 2015$2,966,000
+1686.7%
234,300
+2131.4%
0.05%
+1466.7%
Q4 2014$166,000
+4.4%
10,500
+9.4%
0.00%
+50.0%
Q3 2014$159,000
+1666.7%
9,600
+1820.0%
0.00%
Q2 2014$9,000
-71.9%
500
-73.7%
0.00%
-100.0%
Q1 2014$32,000
-5.9%
1,900
-9.5%
0.00%0.0%
Q4 2013$34,000
+9.7%
2,100
-16.0%
0.00%0.0%
Q3 2013$31,000
+3000.0%
2,500
+2400.0%
0.00%
Q2 2013$1,0001000.00%
Other shareholders
HORSEHEAD HLDG CORP shareholders Q4 2014
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 10,500$166,0000.00%
SIMPLEX TRADING, LLC 38$6,0000.00%
Citadel Advisors 19,600$310,0000.00%
View complete list of HORSEHEAD HLDG CORP shareholders