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
+16
Holders Change %
+16.16%
% of All Funds
3.73%
Holding in Top 10
12
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-20%
% of All Funds
0.39%
New
34
Increased
39
Reduced
25
Closed
18
Calls
$5.15M
Puts
$843K
Net Calls
+$4.31M
Net Calls Change
+$4.29M
Name Holding Trade Value Shares
Change
Shares
Change %
VOYA Investment Management
76
VOYA Investment Management
Georgia
$348K
Barclays
77
Barclays
United Kingdom
$334K -$36.8K -2,047 -10%
ACM
78
Argonaut Capital Management
New York
$317K -$45.3K -2,500 -13%
Wells Fargo
79
Wells Fargo
California
$316K +$42.7K +2,363 +16%
GMIM
80
General Motors Investment Management
New York
$305K +$305K +16,809 New
Invesco
81
Invesco
Georgia
$289K +$289K +15,915 New
Two Sigma Advisers
82
Two Sigma Advisers
New York
$288K +$288K +16,000 New
State Board of Administration of Florida Retirement System
83
State Board of Administration of Florida Retirement System
Florida
$269K +$3.28K +181 +1%
DC
84
Deere & Company
Illinois
$244K +$244K +13,445 New
HAMF
85
Hatteras Alternative Mutual Funds
North Carolina
$233K +$233K +12,823 New
AA
86
ALPS Advisors
Colorado
$230K +$230K +12,660 New
BNP Paribas Financial Markets
87
BNP Paribas Financial Markets
France
$225K -$102K -5,599 -31%
ST
88
Spot Trading
Illinois
$222K +$222K +12,246 New
DTL
89
Dynamic Technology Lab
Singapore
$212K +$212K +11,709 New
Millennium Management
90
Millennium Management
New York
$198K -$1.01M -55,647 -84%
RFC
91
Russell Frank Company
Washington
$188K +$188K +10,358 New
TRCT
92
Tower Research Capital (TRC)
New York
$167K +$147K +8,106 +737%
Citigroup
93
Citigroup
New York
$155K -$2.91M -161,346 -95%
DAL
94
David A. Lorber
$148K +$148K +8,177 New
SG Americas Securities
95
SG Americas Securities
New York
$146K +$146K +8,038 New
AFC
96
AFT Forsyth & Company
Florida
$145K +$145K +7,984 New
PG
97
PEAK6 Group
Illinois
$124K +$124K +13,626 New
WAM
98
Wolverine Asset Management
Illinois
$75K -$152K -8,453 -67%
Ameriprise
99
Ameriprise
Minnesota
$64K
Royal Bank of Canada
100
Royal Bank of Canada
Ontario, Canada
$52K +$15.1K +842 +41%