GROUP ONE TRADING, L.P. - SHORETEL INC ownership

SHORETEL INC's ticker is and the CUSIP is 825211955. A total of 1 filers reported holding SHORETEL INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of SHORETEL INC
ValueSharesWeighting
Q1 2014$4,000
-55.6%
500
-50.0%
0.00%
Q4 2013$9,0001,0000.00%
Other shareholders
SHORETEL INC shareholders Q4 2013
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 8$00.00%
View complete list of SHORETEL INC shareholders