122 hedge funds and large institutions have $833M invested in Ambac in 2015 Q1 according to their latest regulatory filings, with 15 funds opening new positions, 39 increasing their positions, 35 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
122
Holders Change
-2
Holders Change %
-1.61%
% of All Funds
3.25%
Holding in Top 10
8
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+14.29%
% of All Funds
0.21%
New
15
Increased
39
Reduced
35
Closed
17
Calls
$22.3M
Puts
$13.7M
Net Calls
+$8.62M
Net Calls Change
-$32M
Name Holding Trade Value Shares
Change
Shares
Change %
BP
51
Boston Provident
New Jersey
$2.01M -$1.05M -43,190 -34%
California State Teachers Retirement System (CalSTRS)
52
California State Teachers Retirement System (CalSTRS)
California
$2M -$24.2K -1,000 -1%
AllianceBernstein
53
AllianceBernstein
Tennessee
$1.86M +$12.6K +520 +0.7%
Norges Bank
54
Norges Bank
Norway
$1.71M
TA
55
Teachers Advisors
New York
$1.57M +$41.2K +1,701 +3%
CL
56
CSS LLC
Illinois
$1.42M +$121K +5,000 +9%
RhumbLine Advisers
57
RhumbLine Advisers
Massachusetts
$1.41M +$9.68K +400 +0.7%
Swiss National Bank
58
Swiss National Bank
Switzerland
$1.23M
SCM
59
Sterling Capital Management
North Carolina
$1.08M +$123K +5,100 +13%
Acadian Asset Management
60
Acadian Asset Management
Massachusetts
$1.04M -$28.1K -1,160 -3%
NFA
61
Nationwide Fund Advisors
Ohio
$895K +$73.9K +3,054 +9%
MLICM
62
Metropolitan Life Insurance Company (MetLife)
New York
$846K
Deutsche Bank
63
Deutsche Bank
Germany
$775K -$9.51M -394,399 -92%
AIG
64
American International Group
New York
$693K
ARTA
65
A.R.T. Advisors
New York
$651K +$651K +26,938 New
BIM
66
Bogle Investment Management
Massachusetts
$601K -$1.04M -42,840 -63%
Wells Fargo
67
Wells Fargo
California
$583K +$300K +12,390 +106%
BA
68
BlackRock Advisors
Delaware
$580K
MCM
69
Moore Capital Management
New York
$569K +$569K +23,529 New
VOYA Investment Management
70
VOYA Investment Management
Georgia
$540K
MBTD
71
Mechanics Bank - Trust Department
California
$539K
State Board of Administration of Florida Retirement System
72
State Board of Administration of Florida Retirement System
Florida
$493K +$21.9K +904 +5%
DTL
73
Dynamic Technology Lab
Singapore
$468K +$468K +19,175 New
KeyBank National Association
74
KeyBank National Association
Ohio
$447K -$44.2K -1,826 -9%
LI
75
LMCG Investments
Massachusetts
$428K +$428K +17,667 New