142 hedge funds and large institutions have $575M invested in Ambac in 2020 Q4 according to their latest regulatory filings, with 24 funds opening new positions, 44 increasing their positions, 46 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
142
Holders Change
+9
Holders Change %
+6.77%
% of All Funds
2.52%
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.07%
New
24
Increased
44
Reduced
46
Closed
14
Calls
$17M
Puts
$2.68M
Net Calls
+$14.4M
Net Calls Change
+$7.72M
Name Holding Trade Value Shares
Change
Shares
Change %
Alyeska Investment Group
26
Alyeska Investment Group
Illinois
$4.77M -$5.74K -373 -0.1%
Hotchkis & Wiley Capital Management
27
Hotchkis & Wiley Capital Management
California
$4.69M -$52.3K -3,400 -1%
HA
28
Harbor Advisors
Florida
$4.02M
Ameriprise
29
Ameriprise
Minnesota
$3.63M -$210K -13,648 -5%
Nuveen Asset Management
30
Nuveen Asset Management
Illinois
$3.19M +$8.04K +523 +0.3%
CS
31
Credit Suisse
Switzerland
$2.94M +$308K +19,995 +12%
Wells Fargo
32
Wells Fargo
California
$2.87M -$97.6K -6,346 -3%
State of New Jersey Common Pension Fund D
33
State of New Jersey Common Pension Fund D
New Jersey
$2.51M -$228K -14,823 -8%
Invesco
34
Invesco
Georgia
$2.47M +$2.46K +160 +0.1%
QOP
35
Quinn Opportunity Partners
Virginia
$2.35M +$61.5K +4,000 +3%
RhumbLine Advisers
36
RhumbLine Advisers
Massachusetts
$2.34M +$180K +11,671 +8%
Millennium Management
37
Millennium Management
New York
$2.11M +$1.87M +121,809 +778%
Legal & General Group
38
Legal & General Group
United Kingdom
$1.96M +$12.3K +801 +0.6%
Nomura Holdings
39
Nomura Holdings
Japan
$1.93M -$3.65M -236,866 -65%
Bank of America
40
Bank of America
North Carolina
$1.77M -$329K -21,371 -16%
Swiss National Bank
41
Swiss National Bank
Switzerland
$1.6M
Public Sector Pension Investment Board (PSP Investments)
42
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$1.56M -$8.61K -560 -0.5%
California Public Employees Retirement System
43
California Public Employees Retirement System
California
$1.56M -$29.2K -1,900 -2%
UBS Group
44
UBS Group
Switzerland
$1.48M +$150K +9,781 +11%
Canada Pension Plan Investment Board
45
Canada Pension Plan Investment Board
Ontario, Canada
$1.48M +$1.48M +96,000 New
RA
46
Royce & Associates
New York
$1.35M -$8.21K -534 -0.6%
PPA
47
Parametric Portfolio Associates
Washington
$1.34M +$7.32K +476 +0.5%
Walleye Trading
48
Walleye Trading
New York
$1.28M +$671K +43,610 +110%
HighTower Advisors
49
HighTower Advisors
Illinois
$1.11M -$4.2M -273,259 -79%
California State Teachers Retirement System (CalSTRS)
50
California State Teachers Retirement System (CalSTRS)
California
$1.05M