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 %
CS
26
Credit Suisse
Switzerland
$7.07M +$6.91M +380,909 +4,325%
KSCM
27
Kamunting Street Capital Management
Florida
$6.69M +$172K +9,482 +3%
Deutsche Bank
28
Deutsche Bank
Germany
$5.93M -$2.16M -119,155 -27%
GJL
29
Gendell Jeffrey L
$5.55M +$5.55M +305,897 New
U
30
UBS
Switzerland
$4.42M -$20.4M -1,126,247 -82%
TCIM
31
TIAA CREF Investment Management
New York
$4.26M +$303K +16,721 +8%
BTS
32
BB&T Securities
Virginia
$4.17M +$1.51M +8,326 +57%
CC
33
Caspian Capital
New York
$4.03M -$6.2M -341,738 -61%
PP
34
PDT Partners
New York
$3.97M +$3.97M +218,916 New
Geode Capital Management
35
Geode Capital Management
Massachusetts
$3.86M +$432K +23,786 +13%
Bank of New York Mellon
36
Bank of New York Mellon
New York
$3.74M +$274K +15,094 +8%
OCAM
37
Onex Canada Asset Management
Ontario, Canada
$3.43M +$149K +8,210 +5%
Morgan Stanley
38
Morgan Stanley
New York
$3.12M -$3.05M -168,073 -49%
BPM
39
Bronson Point Management
Connecticut
$3.08M -$11.6M -640,300 -79%
TC
40
Talkot Capital
California
$2.9M +$1.72M +95,000 +146%
TBA
41
Thomas B. Akin
$2.9M +$2.9M +160,000 New
PAM
42
Panagora Asset Management
Massachusetts
$2.8M +$122K +6,745 +5%
BIM
43
BlackRock Investment Management
Delaware
$2.74M +$78.7K +4,341 +3%
HOAM
44
Halcyon Offshore Asset Management
New York
$2.72M
FNYS
45
First New York Securities
New York
$2.5M +$743K +40,958 +42%
Bessemer Group
46
Bessemer Group
New Jersey
$1.91M +$1.9M +104,960 +26,306%
V
47
ValueWorks
New York
$1.77M -$12.5K -691 -0.7%
Charles Schwab
48
Charles Schwab
California
$1.68M +$83.4K +4,753 +5%
JG
49
Jefferies Group
New York
$1.65M +$1.65M +90,966 New
FCG
50
FrontFour Capital Group
Connecticut
$1.61M +$1.61M +88,609 New