159 hedge funds and large institutions have $596M invested in Ambac in 2023 Q1 according to their latest regulatory filings, with 20 funds opening new positions, 49 increasing their positions, 56 reducing their positions, and 27 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
159
Holders Change
-8
Holders Change %
-4.79%
% of All Funds
2.54%
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.05%
New
20
Increased
49
Reduced
56
Closed
27
Calls
$7.27M
Puts
$3.59M
Net Calls
+$3.68M
Net Calls Change
-$2.95M
Name Holding Trade Value Shares
Change
Shares
Change %
PA
151
Parallel Advisors
California
$1.73K +$93 +6 +6%
Parallax Volatility Advisers
152
Parallax Volatility Advisers
California
$1.53K -$680K -43,930 -100%
CAL
153
Capital Advisors Ltd
Ohio
$1K
MPWT
154
MassMutual Private Wealth & Trust
Connecticut
$898
LF
155
Lee Financial
Texas
$558
GLLW
156
Graves Light Lenhart Wealth
Virginia
$542 +$542 +35 New
FMII
157
Farmers & Merchants Investments Inc
Nebraska
$480
IA
158
IFP Advisors
Florida
$384
ECM
159
Everence Capital Management
Indiana
$169
Tudor Investment Corp
160
Tudor Investment Corp
Connecticut
-$1.93M -110,791 Closed
BCM
161
Bluefin Capital Management
New York
-$1.37M -78,509 Closed
HF
162
HRT Financial
New York
-$1.22M -70,137 Closed
SM
163
Salzhauer Michael
-$1.17M -66,821 Closed
Marshall Wace
164
Marshall Wace
United Kingdom
-$1.15M -66,029 Closed
GCM
165
Graham Capital Management
Connecticut
-$1.03M -58,939 Closed
Janney Montgomery Scott
166
Janney Montgomery Scott
Pennsylvania
-$872K -49,996 Closed
PCM
167
Penserra Capital Management
California
-$786K -45,105 Closed
ECM
168
ExodusPoint Capital Management
New York
-$539K -30,931 Closed
JF
169
Jump Financial
Illinois
-$464K -26,600 Closed
PFO
170
Pathstone Family Office
New Jersey
-$315K -24,900 Closed
EGM
171
Engineers Gate Manager
New York
-$425K -24,367 Closed
QC
172
Quadrature Capital
United Kingdom
-$422K -24,218 Closed
QT
173
Quantbot Technologies
New York
-$374K -21,433 Closed
XT
174
XTX Topco
Cayman Islands
-$299K -17,118 Closed
CMF
175
Counterpoint Mutual Funds
California
-$252K -14,463 Closed