GROUP ONE TRADING, L.P. - WEST CORP ownership

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WEST CORP's ticker is and the CUSIP is 952355904. A total of 1 filers reported holding WEST CORP in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.0%.

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Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of WEST CORP
ValueSharesWeighting
Q4 2013$10,000
-37.5%
400
-42.9%
0.00%–
Q3 2013$16,000
-33.3%
700
-36.4%
0.00%
-100.0%
Q2 2013$24,000–1,100–0.00%–
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Other shareholders
WEST CORP shareholders Q4 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 400$10,0000.00%
View complete list of WEST CORP shareholders