127 hedge funds and large institutions have $486M invested in Ambac in 2015 Q4 according to their latest regulatory filings, with 23 funds opening new positions, 43 increasing their positions, 35 reducing their positions, and 21 closing their positions.

Holders
127
Holders Change
+2
Holders Change %
+1.6%
% of All Funds
3.34%
Holding in Top 10
5
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-16.67%
% of All Funds
0.13%
New
23
Increased
43
Reduced
35
Closed
21
Calls
$862K
Puts
$1.15M
Net Calls
-$287K
Net Calls Change
-$5.69M
Name Holding Trade Value Shares
Change
Shares
Change %
MAM
76
Meeder Asset Management
Ohio
$393K -$63.4K -4,500 -14%
UBS Group
77
UBS Group
Switzerland
$388K +$232K +16,521 +149%
ARTA
78
A.R.T. Advisors
New York
$384K -$315K -22,438 -45%
AIG
79
American International Group
New York
$371K -$647 -46 -0.2%
State Board of Administration of Florida Retirement System
80
State Board of Administration of Florida Retirement System
Florida
$309K +$9.25K +656 +3%
SCA
81
Secor Capital Advisors
New York
$303K -$79.2K -5,614 -21%
AL
82
Airain Ltd
Guernsey
$299K -$48.9K -3,474 -14%
T. Rowe Price Associates
83
T. Rowe Price Associates
Maryland
$293K +$293K +20,800 New
Citigroup
84
Citigroup
New York
$283K +$240K +17,069 +552%
VOYA Investment Management
85
VOYA Investment Management
Georgia
$269K
Simplex Trading
86
Simplex Trading
Illinois
$264K +$36.3K +2,583 +16%
BA
87
BlackRock Advisors
Delaware
$255K -$144K -10,186 -36%
FRM
88
Fox Run Management
Connecticut
$255K +$255K +18,100 New
ACI
89
AMP Capital Investors
Australia
$248K
SG Americas Securities
90
SG Americas Securities
New York
$247K +$247K +17,544 New
CSS
91
Cubist Systematic Strategies
Connecticut
$227K +$69.6K +4,932 +44%
Walleye Trading
92
Walleye Trading
New York
$223K +$153K +10,825 +218%
BNP Paribas Financial Markets
93
BNP Paribas Financial Markets
France
$204K -$1.37M -97,077 -87%
SKK
94
Shepherd Kaplan Krochuk
Massachusetts
$200K -$28 -2 -0%
AG
95
Aperio Group
California
$195K -$2.59K -184 -1%
PP
96
Paloma Partners
Connecticut
$194K -$218K -15,530 -53%
FNBT
97
FineMark National Bank & Trust
Florida
$183K
BG
98
BlackRock Group
United Kingdom
$173K
ProShare Advisors
99
ProShare Advisors
Maryland
$164K +$164K +11,670 New
Fuller & Thaler Asset Management
100
Fuller & Thaler Asset Management
California
$159K +$159K +11,300 New