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.

New
Increased
Maintained
Reduced
Closed
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 %
HA
26
Harbor Advisors
Florida
$4.2M
Ameriprise
27
Ameriprise
Minnesota
$3.98M -$55.7K -3,470 -1%
Norges Bank
28
Norges Bank
Norway
$3.68M
Canada Pension Plan Investment Board
29
Canada Pension Plan Investment Board
Ontario, Canada
$3.64M +$1.96M +122,000 +116%
Deutsche Bank
30
Deutsche Bank
Germany
$3.33M -$212K -13,185 -6%
Nuveen Asset Management
31
Nuveen Asset Management
Illinois
$3.13M +$423K +29,595 +16%
TSC
32
Two Seas Capital
New York
$3.03M +$3.03M +188,457 New
Invesco
33
Invesco
Georgia
$2.83M -$127K -7,888 -4%
HSBC Holdings
34
HSBC Holdings
United Kingdom
$2.62M +$2.62M +162,554 New
Wells Fargo
35
Wells Fargo
California
$2.51M +$353K +21,971 +16%
D.E. Shaw & Co
36
D.E. Shaw & Co
New York
$2.49M +$1.86M +116,114 +298%
CS
37
Credit Suisse
Switzerland
$2.43M +$136K +8,472 +6%
BC
38
Brookfield Corp
Ontario, Canada
$2.41M
Bank of America
39
Bank of America
North Carolina
$2.26M +$7.43K +463 +0.3%
RhumbLine Advisers
40
RhumbLine Advisers
Massachusetts
$2.12M +$38.2K +2,381 +2%
IP
41
Interval Partners
New York
$2.02M +$356K +22,206 +21%
SSA
42
Schonfeld Strategic Advisors
New York
$1.96M +$801K +49,900 +69%
QOP
43
Quinn Opportunity Partners
Virginia
$1.86M -$204K -12,701 -10%
Tudor Investment Corp
44
Tudor Investment Corp
Connecticut
$1.83M +$1.22M +76,100 +201%
Legal & General Group
45
Legal & General Group
United Kingdom
$1.78M +$60.1K +3,742 +4%
BCM
46
Bluefin Capital Management
New York
$1.74M +$102K +6,333 +6%
Simplex Trading
47
Simplex Trading
Illinois
$1.65M +$1.63M +101,894 +10,614%
Swiss National Bank
48
Swiss National Bank
Switzerland
$1.62M
SM
49
Salzhauer Michael
$1.3M +$171K +10,684 +15%
LPL Financial
50
LPL Financial
California
$1.12M +$195K +12,161 +21%