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 128 filers reported holding WESTPORT FUEL SYSTEMS INC in Q4 2021. The put-call ratio across all filers is 6.46 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 2021
NameSharesValueWeighting ↓
MIZUHO SECURITIES USA LLC 97,800$1,282,0000.16%
BOLTON LP 179,200$360,0000.14%
BOLTON LP 179,200$360,0000.14%
K2 PRINCIPAL FUND, L.P. 181,921$366,0000.05%
K2 PRINCIPAL FUND, L.P. 125,200$251,0000.03%
Lyons Wealth Management, LLC. 10,500$21,0000.03%
GRACE & WHITE INC /NY 57,800$116,0000.03%
ELKHORN PARTNERS LIMITED PARTNERSHIP 21,800$44,0000.03%
MIZUHO SECURITIES USA LLC 97,800$197,0000.02%
MARATHON CAPITAL MANAGEMENT 22,100$44,0000.02%
View complete list of WESTPORT FUEL SYSTEMS INC shareholders