GROUP ONE TRADING, L.P. - GLOBAL GEOPHYSICAL SVCS INC ownership

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GLOBAL GEOPHYSICAL SVCS INC's ticker is and the CUSIP is 37946S957.

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Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of GLOBAL GEOPHYSICAL SVCS INC
ValueSharesWeighting
Q3 2013$3,000
-40.0%
1,0000.0%0.00%–
Q2 2013$5,000–1,000–0.00%–
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Other shareholders
GLOBAL GEOPHYSICAL SVCS INC shareholders Q4 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 1,000$3,0000.00%
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