GROUP ONE TRADING, L.P. - HANSEN MEDICAL INC ownership

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HANSEN MEDICAL INC's ticker is and the CUSIP is 411307901. A total of 2 filers reported holding HANSEN MEDICAL INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.0%.

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Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of HANSEN MEDICAL INC
ValueSharesWeighting
Q2 2014$16,000
+433.3%
12,100
+1000.0%
0.00%–
Q1 2014$3,000
-88.5%
1,100
-92.7%
0.00%–
Q4 2013$26,000
+550.0%
15,000
+435.7%
0.00%–
Q2 2013$4,000–2,800–0.00%–
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Other shareholders
HANSEN MEDICAL INC shareholders Q4 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 15,000$26,0000.00%
Citadel Advisors 3,800$7,0000.00%
View complete list of HANSEN MEDICAL INC shareholders