AMBC icon

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 %
ASRS
176
Arizona State Retirement System
Arizona
– -$119K -13,609 Closed
SC
177
SummitTX Capital
Texas
– -$114K -13,069 Closed
CFM
178
Catalyst Funds Management
Australia
– -$112K -12,840 Closed
KK
179
KLP Kapitalforvaltning
Norway
– -$109K -12,400 Closed
Man Group
180
Man Group
United Kingdom
– -$107K -12,198 Closed
I
181
InceptionR
California
– -$97.9K -11,189 Closed
State of Tennessee, Department of Treasury
182
State of Tennessee, Department of Treasury
Tennessee
– -$97.1K -11,095 Closed
DS
183
DRW Securities
Illinois
– -$94.5K -10,800 Closed
CWM
184
CIBC World Markets
New York
– -$88.4K -10,101 Closed
Zurich Cantonal Bank
185
Zurich Cantonal Bank
Switzerland
– -$86K -9,826 Closed
A
186
AlphaQuest
New York
– -$60.8K -6,947 Closed
TRSOTSOK
187
Teachers Retirement System of the State of Kentucky
Kentucky
– -$14K -1,601 Closed
Fifth Third Bancorp
188
Fifth Third Bancorp
Ohio
– -$5.44K -622 Closed
WAG
189
Wiser Advisor Group
Arizona
– -$4.38K -500 Closed
Barrow, Hanley, Mewhinney & Strauss
190
Barrow, Hanley, Mewhinney & Strauss
Texas
– -$3.94K -450 Closed
SW
191
SVB Wealth
Massachusetts
– -$2.46K -281 Closed
FFA
192
Farther Finance Advisors
California
– -$2.11K -256 Closed
PH
193
Pinnacle Holdings
Oklahoma
– -$1.63K -186 Closed
RTL
194
Red Tortoise LLC
Georgia
– -$1.58K -180 Closed
AssetMark Inc
195
AssetMark Inc
California
– -$1.38K -158 Closed
HNB
196
Huntington National Bank
Ohio
– -$1.38K -158 Closed
SAM
197
Smartleaf Asset Management
Massachusetts
– -$830 -96 Closed
MPWT
198
MassMutual Private Wealth & Trust
Connecticut
– -$709 -81 Closed
PFBT
199
Parkside Financial Bank & Trust
Missouri
– -$482 -55 Closed
QCG
200
Quadrant Capital Group
Ohio
– -$403 -46 Closed
5 6 7
8
9