OPTIMUM INVESTMENT ADVISORS - WESTPORT FUEL SYSTEMS INC ownership

WESTPORT FUEL SYSTEMS INC's ticker is WPRT and the CUSIP is 960908309. A total of 134 filers reported holding WESTPORT FUEL SYSTEMS INC in Q2 2014. The put-call ratio across all filers is 1.62 and the average weighting 0.1%.

Quarter-by-quarter ownership
OPTIMUM INVESTMENT ADVISORS ownership history of WESTPORT FUEL SYSTEMS INC
ValueSharesWeighting
Q1 2015$4,0000.0%1,0000.0%0.00%0.0%
Q4 2014$4,000
-33.3%
1,0000.0%0.00%
-50.0%
Q3 2014$6,000
-88.7%
1,000
-66.1%
0.00%
-88.2%
Q2 2014$53,000
+89.3%
2,950
+51.3%
0.02%
+54.5%
Q1 2014$28,0000.0%1,950
+34.5%
0.01%0.0%
Q4 2013$28,000
+250.0%
1,450
+314.3%
0.01%
+266.7%
Q3 2013$8,0003500.00%
Other shareholders
WESTPORT FUEL SYSTEMS INC shareholders Q2 2014
NameSharesValueWeighting ↓
Pembroke Management, LTD 3,910,850$18,498,0001.90%
Hood River Capital Management LLC 5,087,680$19,130,0001.11%
GRACE & WHITE INC /NY 1,402,615$5,274,0001.06%
G2 Investment Partners Management LLC 292,838$1,101,0000.42%
Trellus Management Company, LLC 80,000$301,0000.41%
Cortina Asset Management, LLC 1,683,972$6,332,0000.28%
QCM Cayman, Ltd. 14,811$56,0000.23%
MYDA Advisors LLC 102,718$386,0000.17%
ROYCE & ASSOCIATES LP 6,034,983$22,692,0000.15%
MARATHON CAPITAL MANAGEMENT 83,000$312,0000.12%
View complete list of WESTPORT FUEL SYSTEMS INC shareholders