124 hedge funds and large institutions have $816M invested in Ambac in 2014 Q4 according to their latest regulatory filings, with 27 funds opening new positions, 36 increasing their positions, 33 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
124
Holders Change
+6
Holders Change %
+5.08%
% of All Funds
3.31%
Holding in Top 10
7
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+40%
% of All Funds
0.19%
New
27
Increased
36
Reduced
33
Closed
20
Calls
$54.5M
Puts
$13.8M
Net Calls
+$40.6M
Net Calls Change
+$17.9M
Name Holding Trade Value Shares
Change
Shares
Change %
Norges Bank
51
Norges Bank
Norway
$1.74M
BIM
52
Bogle Investment Management
Massachusetts
$1.66M +$1.66M +67,688 New
TA
53
Teachers Advisors
New York
$1.55M
Parallax Volatility Advisers
54
Parallax Volatility Advisers
California
$1.51M +$1.11M +45,401 +279%
NCCM
55
Nine Chapters Capital Management
New Jersey
$1.5M +$512K +20,900 +52%
RhumbLine Advisers
56
RhumbLine Advisers
Massachusetts
$1.42M +$68.6K +2,800 +5%
CL
57
CSS LLC
Illinois
$1.31M +$66.1K +2,700 +5%
Swiss National Bank
58
Swiss National Bank
Switzerland
$1.25M +$71.1K +2,900 +6%
PG
59
PEAK6 Group
Illinois
$1.23M +$277K +11,292 +29%
JPMorgan Chase & Co
60
JPMorgan Chase & Co
New York
$1.09M +$102K +4,180 +10%
Acadian Asset Management
61
Acadian Asset Management
Massachusetts
$1.08M +$1.08M +44,021 New
SCM
62
Sterling Capital Management
North Carolina
$973K -$3.84M -156,619 -80%
Two Sigma Advisers
63
Two Sigma Advisers
New York
$860K +$860K +35,100 New
MLICM
64
Metropolitan Life Insurance Company (MetLife)
New York
$856K
NFA
65
Nationwide Fund Advisors
Ohio
$831K
AQR Capital Management
66
AQR Capital Management
Connecticut
$810K -$99.3K -4,053 -11%
EMG
67
Ellington Management Group
Connecticut
$794K +$794K +32,400 New
AIG
68
American International Group
New York
$702K -$27.4K -1,119 -4%
HI
69
HBK Investments
Texas
$685K +$685K +27,977 New
D.E. Shaw & Co
70
D.E. Shaw & Co
New York
$659K +$422K +17,215 +177%
BA
71
BlackRock Advisors
Delaware
$587K -$28.4K -1,162 -5%
KAM
72
Kazazian Asset Management
Florida
$571K +$571K +23,320 New
VOYA Investment Management
73
VOYA Investment Management
Georgia
$547K
MBTD
74
Mechanics Bank - Trust Department
California
$546K
AL
75
Airain Ltd
Guernsey
$528K +$528K +21,544 New