Parallax Volatility Advisers, L.P. - WESTPORT FUEL SYSTEMS INC ownership

WESTPORT FUEL SYSTEMS INC's ticker is WPRT and the CUSIP is 960908309. A total of 106 filers reported holding WESTPORT FUEL SYSTEMS INC in Q4 2014. The put-call ratio across all filers is 4.25 and the average weighting 0.0%.

Quarter-by-quarter ownership
Parallax Volatility Advisers, L.P. ownership history of WESTPORT FUEL SYSTEMS INC
ValueSharesWeighting
Q4 2021$46,00019,600
+41602.1%
0.00%
Q3 2017$0
-100.0%
47
-99.3%
0.00%
Q3 2014$70,000
-59.3%
6,705
-29.8%
0.00%
-100.0%
Q2 2014$172,0009,5540.00%
Other shareholders
WESTPORT FUEL SYSTEMS INC shareholders Q4 2014
NameSharesValueWeighting ↓
B. Riley Financial, Inc. 850,000$1,369,0000.88%
GRACE & WHITE INC /NY 1,845,778$2,972,0000.66%
Ancora Advisors LLC 308,198$496,0000.05%
ROYCE & ASSOCIATES LP 4,447,590$7,161,0000.05%
INVESTORS ASSET MANAGEMENT OF GEORGIA INC /GA/ /ADV 22,100$36,0000.03%
ELKHORN PARTNERS LIMITED PARTNERSHIP 19,000$31,0000.02%
Oppenheimer & Close, LLC 24,754$38,0000.02%
Cetera Investment Advisers 22,625$37,0000.02%
TWO SIGMA SECURITIES, LLC 21,666$35,0000.01%
Cribstone Capital Management, LLC 10,000$16,0000.01%
View complete list of WESTPORT FUEL SYSTEMS INC shareholders