GROUP ONE TRADING, L.P. - FIRST MARBLEHEAD CORP ownership

FIRST MARBLEHEAD CORP's ticker is and the CUSIP is 320771908. A total of 1 filers reported holding FIRST MARBLEHEAD CORP 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 FIRST MARBLEHEAD CORP
ValueSharesWeighting
Q4 2013$9,0001,200
+500.0%
0.00%
Q3 2013$02000.00%
Other shareholders
FIRST MARBLEHEAD CORP shareholders Q4 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 1,200$9,0000.00%
View complete list of FIRST MARBLEHEAD CORP shareholders