SpiderRock Trading LLC - MEDIFAST INC ownership

MEDIFAST INC's ticker is and the CUSIP is 58470H10. A total of 1 filers reported holding MEDIFAST INC in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
SpiderRock Trading LLC ownership history of MEDIFAST INC
ValueSharesWeighting
Q3 2014$2,0000.0%1,0000.0%0.01%
-22.2%
Q2 2014$2,000
-85.7%
1,000
-3.3%
0.01%
-88.2%
Q4 2013$14,000
+7.7%
1,034
+127.8%
0.08%
-3.8%
Q3 2013$13,000454
+354.0%
0.08%
Q2 2013$01000.00%
Other shareholders
MEDIFAST INC shareholders Q4 2014
NameSharesValueWeighting ↓
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 153,433$5,798,0000.02%
View complete list of MEDIFAST INC shareholders