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Ambac
AMBC

Overview Fund Activity

146 hedge funds and large institutions have $262M invested in Ambac in 2025 Q2 according to their latest regulatory filings, with 32 funds opening new positions, 48 increasing their positions, 48 reducing their positions, and 59 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
146
Holders Change
-28
Holders Change %
-16.09%
% of All Funds
1.96%
Holding in Top 10
6
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+50%
% of All Funds
0.08%
New
32
Increased
48
Reduced
48
Closed
59
Calls
$69.4M
Puts
$4.38M
Net Calls
+$65M
Net Calls Change
-$10.5M

Top Buyers

1
CGIC
1
Continental General Insurance Company
Texas
$8.65M
2
GJL
2
Gendell Jeffrey L
$8.51M
3
Millennium Management
3
Millennium Management
New York
$7.07M
4
Marshall Wace
4
Marshall Wace
United Kingdom
$4.6M
5
PGCM
5
Prescott Group Capital Management
Oklahoma
$6.22M

Top Sellers

1
WSL
1
Western Standard LLC
California
$0
2
RP
2
Repertoire Partners
New York
$5.12M
3
American Century Companies
3
American Century Companies
Missouri
$3.11M
4
Morgan Stanley
4
Morgan Stanley
New York
$3.25M
5
BlackRock
5
BlackRock
New York
$32.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
WG
101
Winton Group
United Kingdom
$108K +$108K +15,197 New
SOW
102
State of Wyoming
Wyoming
$103K -$1.83K -257 -2%
PHK
103
Point72 Hong Kong
Hong Kong
$100K +$100K +14,151 New
IC
104
IEQ Capital
California
$97K +$97K +13,667 New
VOYA Investment Management
105
VOYA Investment Management
Georgia
$91.9K +$1.78K +250 +2%
State Board of Administration of Florida Retirement System
106
State Board of Administration of Florida Retirement System
Florida
$89.7K – – –
Cerity Partners
107
Cerity Partners
New York
$84.1K +$84.1K +11,851 New
Franklin Resources
108
Franklin Resources
California
$75.8K -$5.59K -787 -7%
New York State Common Retirement Fund
109
New York State Common Retirement Fund
New York
$72K – – –
PFSRSONJ
110
Police & Firemen's Retirement System of New Jersey
New Jersey
$65.3K – – –
LAII
111
LM Asset (IM) Inc
British Columbia, Canada
$42.6K +$42.6K +6,000 New
PD
112
Point72 (DIFC)
United Arab Emirates
$42.2K -$105K -14,856 -71%
Federated Hermes
113
Federated Hermes
Pennsylvania
$37.1K +$37.1K +5,231 New
AIP
114
Ameritas Investment Partners
Nebraska
$32.5K – – –
Legal & General Group
115
Legal & General Group
United Kingdom
$30.6K -$279K -39,237 -90%
Carson Wealth (CWM LLC)
116
Carson Wealth (CWM LLC)
Nebraska
$28K +$28K +3,956 +65,933%
VCM
117
Versant Capital Management
Arizona
$11.5K +$11.4K +1,600 +8,421%
QL
118
Quarry LP
New York
$11K +$11K +1,555 New
AB
119
Amalgamated Bank
New York
$11K – – –
TRCT
120
Tower Research Capital (TRC)
New York
$10.7K -$13.1K -1,838 -55%
SCM
121
Sterling Capital Management
North Carolina
$8.66K +$3.09K +435 +55%
HCA
122
Harbor Capital Advisors
Illinois
$8K -$1.8K -253 -18%
Osaic Holdings
123
Osaic Holdings
Arizona
$7.44K +$6.7K +530 +914%
Nisa Investment Advisors
124
Nisa Investment Advisors
Missouri
$7.23K +$341 +48 +5%
GI
125
GAMMA Investing
California
$5.4K +$1.78K +250 +49%
3 4
5
6 7