RATIONAL ADVISORS LLC - WESTPORT FUEL SYSTEMS INC ownership

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WESTPORT FUEL SYSTEMS INC's ticker is WPRT and the CUSIP is 960908309. A total of 2 filers reported holding WESTPORT FUEL SYSTEMS INC in Q4 2011. The put-call ratio across all filers is - and the average weighting 0.0%.

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Quarter-by-quarter ownership
RATIONAL ADVISORS LLC ownership history of WESTPORT FUEL SYSTEMS INC
ValueSharesWeighting
Q3 2011$1,206,000
+20.4%
41,7000.0%0.06%
+23.4%
Q2 2011$1,002,000
-32.8%
41,700
-38.6%
0.05%
-61.2%
Q1 2011$1,492,000–67,900–0.12%–
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Other shareholders
WESTPORT FUEL SYSTEMS INC shareholders Q4 2011
NameSharesValueWeighting ↓
AWM Investment Company, Inc. 383,202$2,314,5400.34%
Coppell Advisory Solutions LLC 300$2320.00%
View complete list of WESTPORT FUEL SYSTEMS INC shareholders