116 hedge funds and large institutions have $520M invested in Ambac in 2018 Q1 according to their latest regulatory filings, with 17 funds opening new positions, 29 increasing their positions, 37 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
116
Holders Change
-2
Holders Change %
-1.69%
% of All Funds
2.66%
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.14%
New
17
Increased
29
Reduced
37
Closed
19
Calls
$14.7M
Puts
$4.28M
Net Calls
+$10.5M
Net Calls Change
-$14.2M
Name Holding Trade Value Shares
Change
Shares
Change %
QOP
51
Quinn Opportunity Partners
Virginia
$1.21M +$502K +32,000 +71%
GCP
52
GSA Capital Partners
United Kingdom
$1.13M -$717K -45,749 -39%
California State Teachers Retirement System (CalSTRS)
53
California State Teachers Retirement System (CalSTRS)
California
$1.09M -$38K -2,425 -3%
AllianceBernstein
54
AllianceBernstein
Tennessee
$1.09M
Allianz Asset Management
55
Allianz Asset Management
Germany
$1.08M
Russell Investments Group
56
Russell Investments Group
United Kingdom
$975K -$255K -16,243 -21%
AIMCA
57
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$881K
UBS Group
58
UBS Group
Switzerland
$876K -$56.4K -3,598 -6%
JPMorgan Chase & Co
59
JPMorgan Chase & Co
New York
$876K +$44.4K +2,830 +5%
Invesco
60
Invesco
Georgia
$849K +$277K +17,685 +49%
CS
61
Credit Suisse
Switzerland
$770K +$150K +9,573 +24%
New York State Common Retirement Fund
62
New York State Common Retirement Fund
New York
$740K
Connor, Clark & Lunn Investment Management (CC&L)
63
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$735K -$1.66M -105,641 -69%
RhumbLine Advisers
64
RhumbLine Advisers
Massachusetts
$702K -$26.7K -1,701 -4%
Two Sigma Investments
65
Two Sigma Investments
New York
$573K -$3.13M -199,463 -85%
Lazard Asset Management
66
Lazard Asset Management
New York
$524K
Manulife (Manufacturers Life Insurance)
67
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$520K -$9.87K -630 -2%
Citadel Advisors
68
Citadel Advisors
Florida
$476K +$188K +11,973 +65%
Los Angeles Capital Management
69
Los Angeles Capital Management
California
$462K +$17K +1,080 +4%
AIG
70
American International Group
New York
$455K -$24.5K -1,562 -5%
Simplex Trading
71
Simplex Trading
Illinois
$448K +$32.7K +2,091 +8%
RA
72
Royce & Associates
New York
$434K
RJFSA
73
Raymond James Financial Services Advisors
Florida
$405K +$42.3K +2,700 +12%
MIM
74
MetLife Investment Management
New Jersey
$352K
BCM
75
BlueCrest Capital Management
Jersey
$346K +$346K +22,096 New