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 %
HOAM
51
Halcyon Offshore Asset Management
New York
$2.46M -$1.23M -50,000 -33%
Acadian Asset Management
52
Acadian Asset Management
Massachusetts
$2.23M +$2.23M +90,827 New
CA
53
Corrado Advisors
New Jersey
$2.2M +$2.2M +89,755 New
BCM
54
BlueMar Capital Management
Florida
$2.03M +$2.03M +82,600 New
California State Teachers Retirement System (CalSTRS)
55
California State Teachers Retirement System (CalSTRS)
California
$2M +$12.3K +500 +0.6%
ACM
56
Afton Capital Management
North Carolina
$1.84M +$1.84M +75,000 New
AllianceBernstein
57
AllianceBernstein
Tennessee
$1.84M +$24.6K +1,000 +1%
Nomura Holdings
58
Nomura Holdings
Japan
$1.8M -$303K -12,355 -14%
BCMU
59
BlueCrest Capital Management (UK)
Guernsey
$1.71M +$1.71M +69,500 New
CS
60
Credit Suisse
Switzerland
$1.7M -$7.87M -320,606 -82%
Bank of America
61
Bank of America
North Carolina
$1.69M +$389K +15,840 +30%
EGM
62
Espalier Global Management
New York
$1.67M +$1.67M +68,000 New
Invesco
63
Invesco
Georgia
$1.36M +$972K +39,579 +249%
RhumbLine Advisers
64
RhumbLine Advisers
Massachusetts
$1.31M -$103K -4,190 -7%
Citadel Advisors
65
Citadel Advisors
Florida
$1.17M +$179K +7,284 +18%
V
66
ValueWorks
New York
$1.13M -$1.27M -51,573 -53%
MLICM
67
Metropolitan Life Insurance Company (MetLife)
New York
$974K +$114K +4,626 +13%
Swiss National Bank
68
Swiss National Bank
Switzerland
$973K +$973K +39,600 New
NFA
69
Nationwide Fund Advisors
Ohio
$858K -$22.2K -902 -3%
Dimensional Fund Advisors
70
Dimensional Fund Advisors
Texas
$841K +$841K +34,254 New
SCM
71
Sterling Capital Management
North Carolina
$834K +$834K +33,970 New
Citigroup
72
Citigroup
New York
$753K +$542K +22,077 +257%
JPMorgan Chase & Co
73
JPMorgan Chase & Co
New York
$737K -$12.7M -515,454 -95%
SAM
74
Silphium Asset Management
United Kingdom
$737K +$737K +30,000 New
AIG
75
American International Group
New York
$733K -$7.37K -300 -1%