SIMPLEX TRADING, LLC - PSIVIDA CORP ownership

PSIVIDA CORP's ticker is PSDV and the CUSIP is 74440J101. A total of 49 filers reported holding PSIVIDA CORP in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of PSIVIDA CORP
ValueSharesWeighting
Q1 2018$2,000
-33.3%
1,952
-45.2%
0.00%
Q4 2017$3,000
+50.0%
3,560
+51.3%
0.00%
Q3 2017$2,000
-71.4%
2,353
-48.8%
0.00%
Q2 2017$7,000
+133.3%
4,593
+98.7%
0.00%
Q1 2017$3,000
-76.9%
2,312
-71.5%
0.00%
-100.0%
Q4 2016$13,000
+62.5%
8,102
+183.5%
0.00%0.0%
Q3 2016$8,000
+60.0%
2,858
+53.8%
0.00%
Q2 2016$5,0001,858
+1758.0%
0.00%
Q3 2015$01000.00%
Other shareholders
PSIVIDA CORP shareholders Q4 2015
NameSharesValueWeighting ↓
NORTH RUN CAPITAL, LP 2,144,086$7,826,0000.77%
BARD ASSOCIATES INC 72,809$266,0000.15%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 972,110$3,548,0000.14%
Spark Investment Management LLC 82,100$299,0000.04%
FineMark National Bank & Trust 71,800$262,0000.04%
CONDOR CAPITAL MANAGEMENT 36,714$134,0000.04%
Perceptive Advisors 630,000$514,0000.02%
MATRIX ASSET ADVISORS INC/NY 30,000$110,0000.02%
BRIDGEWAY CAPITAL MANAGEMENT, LLC 205,400$750,0000.02%
Investors Capital Advisory Services 21,850$79,0000.02%
View complete list of PSIVIDA CORP shareholders