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.

New
Increased
Maintained
Reduced
Closed
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 %
CFS
126
Commonwealth Financial Services
West Virginia
$2K
Manulife (Manufacturers Life Insurance)
127
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$398 +$5 +337 +1%
GP
128
GLG Partners
United Kingdom
-$3.68M -254,407 Closed
Renaissance Technologies
129
Renaissance Technologies
New York
-$2.53M -174,500 Closed
Bank of Nova Scotia
130
Bank of Nova Scotia
Ontario, Canada
-$2.33M -161,000 Closed
KCM
131
Key Colony Management
Arkansas
-$1.74M -120,000 Closed
NCCM
132
Nine Chapters Capital Management
New Jersey
-$1.53M -105,700 Closed
SCI
133
Seneca Capital Investments
New York
-$1.45M -100,000 Closed
Norges Bank
134
Norges Bank
Norway
-$967K -66,796 Closed
EMG
135
Ellington Management Group
Connecticut
-$721K -49,797 Closed
HI
136
HBK Investments
Texas
-$666K -46,053 Closed
JG
137
Jefferies Group
New York
-$547K -37,795 Closed
CIP
138
Convergence Investment Partners
Florida
-$322K -22,280 Closed
Jacobs Levy Equity Management
139
Jacobs Levy Equity Management
New Jersey
-$321K -22,174 Closed
PG
140
PEAK6 Group
Illinois
-$266K -18,400 Closed
KAM
141
Kazazian Asset Management
Florida
-$175K -12,120 Closed
PP
142
PDT Partners
New York
-$175K -12,117 Closed
Two Sigma Investments
143
Two Sigma Investments
New York
-$175K -12,100 Closed
Balyasny Asset Management
144
Balyasny Asset Management
Illinois
-$167K -11,550 Closed
Baillie Gifford & Co
145
Baillie Gifford & Co
United Kingdom
-$29K -2,000 Closed
DBT
146
Dubuque Bank & Trust
Iowa
-$13K -887 Closed
GXMC
147
Global X Management Company
New York
-$11K -788 Closed
NFG
148
Next Financial Group
Texas
-$10K -709 Closed