115 hedge funds and large institutions have $592M invested in Ambac in 2013 Q3 according to their latest regulatory filings, with 34 funds opening new positions, 39 increasing their positions, 25 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
115
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
12
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$5.15M
Puts
$843K
Net Calls
Net Calls Change

Top Buyers

1 +$14.4M
2 +$11.8M
3 +$11.7M
4
BP
Boston Provident
New Jersey
+$10.4M
5
FS
Feinberg Stephen
+$8.7M
Name Holding Trade Value Shares
Change
Change in
Stake
76
$348K
77
$334K
78
$317K
79
$316K
80
$305K
81
$289K
82
$288K
83
$269K
84
$244K
85
$233K
86
$230K
87
$225K
88
$222K
89
$212K
90
$198K
91
$188K
92
$167K
93
$155K
94
$148K
95
$146K
96
$145K
97
$124K
98
$75K
99
$64K
100
$52K