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

HANSEN MEDICAL INC's ticker is HNSN and the CUSIP is 411307101. A total of 56 filers reported holding HANSEN MEDICAL INC in Q3 2013. The put-call ratio across all filers is 1.42 and the average weighting 0.1%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of HANSEN MEDICAL INC
ValueSharesWeighting
Q2 2015$1,0000.0%7000.0%0.00%
Q1 2015$1,0007000.0%0.00%
Q4 2014$0
-100.0%
700
-37.1%
0.00%
Q1 2014$3,000
-66.7%
1,113
-79.1%
0.00%
Q4 2013$9,000
+200.0%
5,320
+209.3%
0.00%
Q3 2013$3,0001,7200.00%
Other shareholders
HANSEN MEDICAL INC shareholders Q3 2013
NameSharesValueWeighting ↓
ORACLE INVESTMENT MANAGEMENT INC 8,315,616$11,932,909,0002.06%
PERKINS CAPITAL MANAGEMENT INC 1,637,150$2,349,0001.86%
PRINCETON CAPITAL MANAGEMENT INC 702,200$1,008,0000.97%
Trellus Management Company, LLC 435,481$625,0000.79%
PORTOLA GROUP INC /CA 178,323$256,0000.17%
Old West Investment Management, LLC 193,235$277,0000.14%
Verition Fund Management LLC 352,797$508,0000.09%
Visium Asset Management, LP 2,000,000$2,880,0000.07%
CARL DOMINO INC 77,000$110,0000.06%
HUNTER ASSOCIATES INVESTMENT MANAGEMENT LLC 67,200$96,0000.04%
View complete list of HANSEN MEDICAL INC shareholders