174 hedge funds and large institutions have $637M invested in Ambac in 2023 Q4 according to their latest regulatory filings, with 29 funds opening new positions, 57 increasing their positions, 59 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
174
Holders Change
+8
Holders Change %
+4.82%
% of All Funds
2.55%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.03%
New
29
Increased
57
Reduced
59
Closed
21
Calls
$14.7M
Puts
$4.06M
Net Calls
+$10.6M
Net Calls Change
+$10.3M
Name Holding Trade Value Shares
Change
Shares
Change %
Belvedere Trading
101
Belvedere Trading
Illinois
$350K -$209K -12,699 -37%
Comerica Bank
102
Comerica Bank
Texas
$340K -$1.48K -90 -0.4%
Verition Fund Management
103
Verition Fund Management
Connecticut
$336K -$469K -28,465 -58%
Janus Henderson Group
104
Janus Henderson Group
United Kingdom
$330K -$594 -36 -0.2%
Mirae Asset Global Investments
105
Mirae Asset Global Investments
South Korea
$327K
IP
106
Interval Partners
New York
$326K -$20.9K -1,269 -6%
GCM
107
Graham Capital Management
Connecticut
$323K -$11.1K -671 -3%
Envestnet Asset Management
108
Envestnet Asset Management
Illinois
$306K
AB
109
Amalgamated Bank
New York
$281K -$18K -1,096 -6%
MSRPS
110
Maryland State Retirement & Pension System
Maryland
$275K
Royal Bank of Canada
111
Royal Bank of Canada
Ontario, Canada
$272K +$146K +8,827 +116%
Manulife (Manufacturers Life Insurance)
112
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$267K
HF
113
HRT Financial
New York
$261K -$111K -6,730 -30%
GCP
114
GSA Capital Partners
United Kingdom
$250K +$250K +15,183 New
BNP Paribas Financial Markets
115
BNP Paribas Financial Markets
France
$248K -$68.5K -4,159 -22%
New York State Common Retirement Fund
116
New York State Common Retirement Fund
New York
$247K -$55.6K -3,372 -18%
Balyasny Asset Management
117
Balyasny Asset Management
Illinois
$245K +$245K +14,857 New
KA
118
KLCM Advisors
Wisconsin
$231K
Pathstone Holdings
119
Pathstone Holdings
New Jersey
$219K +$219K +13,298 New
OPERF
120
Oregon Public Employees Retirement Fund
Oregon
$218K -$4.94K -300 -2%
DM
121
Deerfield Management
New York
$209K +$209K +12,673 New
ASRS
122
Arizona State Retirement System
Arizona
$209K -$3.96K -240 -2%
State Board of Administration of Florida Retirement System
123
State Board of Administration of Florida Retirement System
Florida
$208K
TRSOTSOK
124
Teachers Retirement System of the State of Kentucky
Kentucky
$202K
SOW
125
State of Wyoming
Wyoming
$200K +$9.15K +555 +5%