129 hedge funds and large institutions have $830M invested in Ambac in 2013 Q4 according to their latest regulatory filings, with 39 funds opening new positions, 40 increasing their positions, 32 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
129
Holders Change
+14
Holders Change %
+12.17%
% of All Funds
3.75%
Holding in Top 10
13
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+8.33%
% of All Funds
0.38%
New
39
Increased
40
Reduced
32
Closed
23
Calls
$64.8M
Puts
$19.7M
Net Calls
+$45.1M
Net Calls Change
+$40.8M
Name Holding Trade Value Shares
Change
Shares
Change %
Barclays
76
Barclays
United Kingdom
$711K +$265K +11,036 +59%
BA
77
BlackRock Advisors
Delaware
$688K
BCM
78
Bluefin Capital Management
New York
$640K +$640K +26,050 New
AL
79
Airain Ltd
Guernsey
$590K +$590K +24,004 New
AA
80
ALPS Advisors
Colorado
$576K +$279K +11,900 +94%
HI
81
HBK Investments
Texas
$567K +$567K +23,100 New
MBTD
82
Mechanics Bank - Trust Department
California
$547K
GMIM
83
General Motors Investment Management
New York
$538K +$125K +5,109 +30%
Goldman Sachs
84
Goldman Sachs
New York
$537K -$33.3K -1,357 -6%
SLG
85
Stanley-Laman Group
Pennsylvania
$528K +$528K +21,500 New
NG
86
NatWest Group
United Kingdom
$491K
ST
87
Spot Trading
Illinois
$487K +$186K +7,589 +62%
VOYA Investment Management
88
VOYA Investment Management
Georgia
$472K
TC
89
TFS Capital
Pennsylvania
$436K +$436K +17,750 New
WAM
90
Wolverine Asset Management
Illinois
$389K +$286K +11,657 +279%
LPC
91
Loeb Partners Corp
New York
$368K +$368K +15,000 New
State Board of Administration of Florida Retirement System
92
State Board of Administration of Florida Retirement System
Florida
$365K
PP
93
PDT Partners
New York
$361K -$5.01M -204,197 -93%
PG
94
PEAK6 Group
Illinois
$333K -$1.92K -78 -0.6%
DC
95
Deere & Company
Illinois
$330K
SEP
96
Sound Energy Partners
Connecticut
$307K +$307K +12,500 New
EARNEST Partners
97
EARNEST Partners
Georgia
$265K +$265K +10,781 New
Wells Fargo
98
Wells Fargo
California
$255K -$175K -7,107 -41%
GACM
99
Green Arrow Capital Management
New York
$246K +$246K +10,000 New
GCP
100
GSA Capital Partners
United Kingdom
$236K +$236K +9,626 New