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Medifast

128 hedge funds and large institutions have $311M invested in Medifast in 2013 Q4 according to their latest regulatory filings, with 12 funds opening new positions, 48 increasing their positions, 48 reducing their positions, and 23 closing their positions.

Holders
128
Holders Change
-12
Holders Change %
-8.57%
% of All Funds
3.72%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.03%
New
12
Increased
48
Reduced
48
Closed
23
Calls
$4.27M
Puts
$1.06M
Net Calls
+$3.21M
Net Calls Change
+$1.43M
Name Market Value Shares Shares
Change
Shares
Change %
QT
151
Quantbot Technologies
New York
-200 Closed
Group One Trading
152
Group One Trading
Illinois
-9 Closed
PG
153
PEAK6 Group
Illinois
TM
154
TigerShark Management
New York