174 hedge funds and large institutions have $325M invested in Ambac in 2025 Q1 according to their latest regulatory filings, with 35 funds opening new positions, 53 increasing their positions, 59 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

less first-time investments, than exits

New positions opened: | Existing positions closed:

less funds holding

Funds holding:

6.83% less ownership

Funds ownership: 87.46%80.63% (-6.8%)

10% less repeat investments, than reductions

Existing positions increased: 53 | Existing positions reduced: 59

38% less capital invested

Capital invested by funds: $522M → $325M (-$197M)

Holders
174
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$84.6M
Puts
$8.99M
Net Calls
Net Calls Change

Top Buyers

1 +$6.33M
2 +$4.57M
3 +$3.72M
4
Jane Street
Jane Street
New York
+$3.57M
5
Morgan Stanley
Morgan Stanley
New York
+$3.15M

Top Sellers

1 -$26.8M
2 -$8.64M
3 -$7.46M
4
State Street
State Street
Massachusetts
-$6.67M
5
Vanguard Group
Vanguard Group
Pennsylvania
-$4.86M
Name Holding Trade Value Shares
Change
Change in
Stake
CAM
101
Cresset Asset Management
Illinois
$194K
GCM
102
Gator Capital Management
Florida
$188K
BNP Paribas Financial Markets
103
BNP Paribas Financial Markets
France
$184K
PD
104
Point72 (DIFC)
United Arab Emirates
$182K
EC
105
EntryPoint Capital
New York
$177K
Janus Henderson Group
106
Janus Henderson Group
United Kingdom
$171K
PTC
107
Petrus Trust Company
Texas
$170K
MAA
108
Mraz Amerine & Associates
California
$169K
SEI Investments
109
SEI Investments
Pennsylvania
$165K
Manulife (Manufacturers Life Insurance)
110
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$143K
LCM
111
Laurion Capital Management
New York
$143K
Hudson Bay Capital Management
112
Hudson Bay Capital Management
Connecticut
$135K
SOW
113
State of Wyoming
Wyoming
$129K
FCBT
114
First Citizens Bank & Trust
North Carolina
$123K
ASRS
115
Arizona State Retirement System
Arizona
$119K
SC
116
SummitTX Capital
Texas
$114K
CFM
117
Catalyst Funds Management
Australia
$112K
VOYA Investment Management
118
VOYA Investment Management
Georgia
$111K
State Board of Administration of Florida Retirement System
119
State Board of Administration of Florida Retirement System
Florida
$111K
Envestnet Portfolio Solutions
120
Envestnet Portfolio Solutions
Illinois
$110K
KK
121
KLP Kapitalforvaltning
Norway
$109K
Man Group
122
Man Group
United Kingdom
$107K
Franklin Resources
123
Franklin Resources
California
$100K
I
124
InceptionR
California
$97.9K
State of Tennessee, Department of Treasury
125
State of Tennessee, Department of Treasury
Tennessee
$97.1K