SIMPLEX TRADING, LLC - HORSEHEAD HLDG CORP ownership

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HORSEHEAD HLDG CORP's ticker is and the CUSIP is 440694905. A total of 2 filers reported holding HORSEHEAD HLDG CORP in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.0%.

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Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of HORSEHEAD HLDG CORP
ValueSharesWeighting
Q1 2016$7,000
+250.0%
2,856
+2063.6%
0.00%–
Q4 2015$2,000–132
+1100.0%
0.00%–
Q3 2015$0–11
+1000.0%
0.00%–
Q2 2015$0
-100.0%
1
-96.7%
0.00%–
Q1 2015$3,000
+50.0%
30
+50.0%
0.00%–
Q4 2014$2,000–20–0.00%–
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Other shareholders
HORSEHEAD HLDG CORP shareholders Q3 2015
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 3,900$62,0000.00%
Citadel Advisors 4,400$70,0000.00%
SIMPLEX TRADING, LLC 20$2,0000.00%
View complete list of HORSEHEAD HLDG CORP shareholders