126 hedge funds and large institutions have $564M invested in Ambac in 2021 Q2 according to their latest regulatory filings, with 12 funds opening new positions, 37 increasing their positions, 46 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
126
Holders Change
-14
Holders Change %
-10%
% of All Funds
2.2%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.07%
New
12
Increased
37
Reduced
46
Closed
26
Calls
$4.14M
Puts
$1.35M
Net Calls
+$2.79M
Net Calls Change
-$833K
Name Holding Trade Value Shares
Change
Shares
Change %
State of New Jersey Common Pension Fund D
126
State of New Jersey Common Pension Fund D
New Jersey
-$2.72M -162,373 Closed
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
127
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
-$2.11M -126,100 Closed
Nomura Holdings
128
Nomura Holdings
Japan
-$2.1M -125,000 Closed
California Public Employees Retirement System
129
California Public Employees Retirement System
California
-$1.55M -92,600 Closed
CM
130
Caption Management
Oklahoma
-$1.29M -76,800 Closed
Arrowstreet Capital
131
Arrowstreet Capital
Massachusetts
-$1.03M -61,363 Closed
CSS
132
Cubist Systematic Strategies
Connecticut
-$816K -48,755 Closed
Jane Street
133
Jane Street
New York
-$686K -40,945 Closed
KSCM
134
Kamunting Street Capital Management
Florida
-$460K -27,500 Closed
HSBC Holdings
135
HSBC Holdings
United Kingdom
-$432K -25,700 Closed
CCM
136
Community Capital Management
Florida
-$268K -16,000 Closed
EGM
137
Engineers Gate Manager
New York
-$261K -15,575 Closed
HF
138
HRT Financial
New York
-$256K -15,297 Closed
Two Sigma Investments
139
Two Sigma Investments
New York
-$250K -14,960 Closed
Wolverine Trading
140
Wolverine Trading
Illinois
-$234K -13,817 Closed
Wellington Management Group
141
Wellington Management Group
Massachusetts
-$231K -13,774 Closed
HighTower Advisors
142
HighTower Advisors
Illinois
-$222K -13,280 Closed
GJL
143
Gendell Jeffrey L
-$200K -11,967 Closed
CCM
144
Chilton Capital Management
Texas
-$167K -10,000 Closed
SG Americas Securities
145
SG Americas Securities
New York
-$125K -7,454 Closed
WAP
146
Wealthcare Advisory Partners
Pennsylvania
-$20K -1,200 Closed
US Bancorp
147
US Bancorp
Minnesota
-$5K -292 Closed
TWA
148
TCI Wealth Advisors
Arizona
-$1K -58 Closed
Mitsubishi UFJ Trust & Banking
149
Mitsubishi UFJ Trust & Banking
Japan
-$1K -45 Closed