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 %
California Public Employees Retirement System
101
California Public Employees Retirement System
California
$233K +$186K +7,436 +391%
U
102
UBS
Switzerland
$213K -$5.78M -235,006 -96%
Principal Financial Group
103
Principal Financial Group
Iowa
$211K +$211K +8,591 New
LW
104
Linscomb Wealth
Texas
$202K +$202K +8,240 New
GC
105
Guggenheim Capital
Illinois
$200K +$200K +8,156 New
Canada Life
106
Canada Life
Manitoba, Canada
$124K +$124K +5,000 New
Parallax Volatility Advisers
107
Parallax Volatility Advisers
California
$103K +$103K +4,214 New
FNBT
108
FineMark National Bank & Trust
Florida
$98K +$98K +4,000 New
Royal Bank of Canada
109
Royal Bank of Canada
Ontario, Canada
$84K +$12.5K +505 +17%
Millennium Management
110
Millennium Management
New York
$76K -$191K -7,800 -72%
LTFS
111
Ladenburg Thalmann Financial Services
Florida
$48K
Teacher Retirement System of Texas
112
Teacher Retirement System of Texas
Texas
$41K +$41K +1,680 New
US Bancorp
113
US Bancorp
Minnesota
$40K
CTC
114
Central Trust Company
Missouri
$33K
BlackRock
115
BlackRock
New York
$29K -$1.65K -66 -5%
SSG
116
Summit Securities Group
New York
$25K +$25K +1,000 New
Creative Planning
117
Creative Planning
Kansas
$24K
BC
118
Bartlett & Co
Ohio
$21K
Ameriprise
119
Ameriprise
Minnesota
$20K -$67K -2,706 -77%
BNP Paribas Financial Markets
120
BNP Paribas Financial Markets
France
$14.3K -$290K -11,816 -95%
PTC
121
Private Trust Company
Ohio
$9K
FFC
122
First Financial Corp
Indiana
$9K
NES
123
New England Securities
New York
$9K
YCMGA
124
York Capital Management Global Advisors
New York
$6.14K -$28.4K -1,156,664 -82%
MFS
125
MSI Financial Services
Massachusetts
$4K