135 hedge funds and large institutions have $599M invested in Ambac in 2021 Q4 according to their latest regulatory filings, with 19 funds opening new positions, 53 increasing their positions, 31 reducing their positions, and 17 closing their positions.

Holders
135
Holders Change
+2
Holders Change %
+1.5%
% of All Funds
2.08%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.03%
New
19
Increased
53
Reduced
31
Closed
17
Calls
$10.1M
Puts
$3.7M
Net Calls
+$6.44M
Net Calls Change
+$3.27M
Name Holding Trade Value Shares
Change
Shares
Change %
Susquehanna International Group
51
Susquehanna International Group
Pennsylvania
$1.08M +$164K +10,239 +18%
PPA
52
Parametric Portfolio Associates
Washington
$1.05M -$48.3K -3,013 -4%
California State Teachers Retirement System (CalSTRS)
53
California State Teachers Retirement System (CalSTRS)
California
$1.02M +$23.2K +1,444 +2%
Bank of Montreal
54
Bank of Montreal
Ontario, Canada
$1.02M +$783K +48,365 +335%
ECM
55
ExodusPoint Capital Management
New York
$995K +$995K +62,001 New
SFI
56
Susquehanna Fundamental Investments
Pennsylvania
$857K +$326K +20,312 +61%
RA
57
Royce & Associates
New York
$851K
Verition Fund Management
58
Verition Fund Management
Connecticut
$819K -$67.3K -4,190 -8%
Prudential Financial
59
Prudential Financial
New Jersey
$776K -$11.4K -712 -1%
UBS AM
60
UBS AM
Illinois
$755K
T. Rowe Price Associates
61
T. Rowe Price Associates
Maryland
$714K +$32.1K +2,000 +5%
Squarepoint
62
Squarepoint
New York
$701K +$701K +43,686 New
YCM
63
Yousif Capital Management
Michigan
$680K +$680K +42,352 New
EGM
64
Engineers Gate Manager
New York
$678K +$678K +42,265 New
Walleye Trading
65
Walleye Trading
New York
$665K +$621K +38,670 +1,411%
Canada Life
66
Canada Life
Manitoba, Canada
$641K
Ensign Peak Advisors
67
Ensign Peak Advisors
Utah
$640K -$282K -17,600 -31%
Nomura Holdings
68
Nomura Holdings
Japan
$636K +$636K +39,603 New
CSS
69
Cubist Systematic Strategies
Connecticut
$623K +$623K +38,801 New
Thrivent Financial for Lutherans
70
Thrivent Financial for Lutherans
Minnesota
$605K +$5.22K +325 +0.9%
CC
71
Corton Capital
Ontario, Canada
$603K +$603K +37,561 New
Comerica Bank
72
Comerica Bank
Texas
$574K -$28K -1,949 -5%
Citigroup
73
Citigroup
New York
$566K -$4.69M -292,121 -89%
COPPSERS
74
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$562K -$723 -45 -0.1%
Jane Street
75
Jane Street
New York
$562K +$562K +35,026 New