150 hedge funds and large institutions have $738M invested in Ambac in 2016 Q4 according to their latest regulatory filings, with 41 funds opening new positions, 44 increasing their positions, 30 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
150
Holders Change
+30
Holders Change %
+25%
% of All Funds
3.76%
Holding in Top 10
8
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+33.33%
% of All Funds
0.2%
New
41
Increased
44
Reduced
30
Closed
10
Calls
$17.4M
Puts
$4.9M
Net Calls
+$12.5M
Net Calls Change
+$10.9M
Name Holding Trade Value Shares
Change
Shares
Change %
Citigroup
76
Citigroup
New York
$1.08M +$933K +41,419 +637%
VKH
77
Virtu KCG Holdings
New York
$1.08M +$1.08M +47,863 New
New York State Common Retirement Fund
78
New York State Common Retirement Fund
New York
$981K
Walleye Trading
79
Walleye Trading
New York
$968K +$867K +38,504 +856%
CIP
80
Convergence Investment Partners
Florida
$967K +$967K +42,990 New
PP
81
PDT Partners
New York
$956K +$956K +42,500 New
Norges Bank
82
Norges Bank
Norway
$867K +$867K +38,535 New
Simplex Trading
83
Simplex Trading
Illinois
$822K +$822K +36,570 New
Two Sigma Advisers
84
Two Sigma Advisers
New York
$797K +$797K +35,400 New
LCM
85
Landscape Capital Management
New Jersey
$752K
MLICM
86
Metropolitan Life Insurance Company (MetLife)
New York
$736K
AL
87
Airain Ltd
Guernsey
$692K +$692K +30,752 New
Manulife (Manufacturers Life Insurance)
88
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$656K +$2.11K +94 +0.3%
AIG
89
American International Group
New York
$583K -$1.51K -67 -0.3%
AG
90
Aperio Group
California
$565K +$70.6K +3,134 +14%
Squarepoint
91
Squarepoint
New York
$558K +$558K +24,800 New
CEP
92
Chicago Equity Partners
Illinois
$529K +$529K +23,500 New
CL
93
CSS LLC
Illinois
$518K -$45K -2,000 -8%
State Board of Administration of Florida Retirement System
94
State Board of Administration of Florida Retirement System
Florida
$493K +$2.92K +130 +0.6%
D.E. Shaw & Co
95
D.E. Shaw & Co
New York
$493K +$493K +21,900 New
BTS
96
BB&T Securities
Virginia
$434K
VOYA Investment Management
97
VOYA Investment Management
Georgia
$430K
Los Angeles Capital Management
98
Los Angeles Capital Management
California
$420K -$168K -7,480 -29%
BA
99
BlackRock Advisors
Delaware
$408K
AIMCA
100
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$403K +$403K +17,900 New