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 %
Tudor Investment Corp
51
Tudor Investment Corp
Connecticut
$1.02M -$383K -24,902 -27%
AllianceBernstein
52
AllianceBernstein
Tennessee
$917K -$130K -8,480 -12%
Ensign Peak Advisors
53
Ensign Peak Advisors
Utah
$884K
Two Sigma Advisers
54
Two Sigma Advisers
New York
$857K +$55.4K +3,600 +7%
D.E. Shaw & Co
55
D.E. Shaw & Co
New York
$847K +$847K +55,059 New
KSCM
56
Kamunting Street Capital Management
Florida
$846K +$846K +55,000 New
SFI
57
Susquehanna Fundamental Investments
Pennsylvania
$830K +$431K +28,028 +108%
CHAM
58
Clear Harbor Asset Management
Connecticut
$808K +$478K +31,100 +145%
Prudential Financial
59
Prudential Financial
New Jersey
$802K -$202K -13,115 -20%
Citadel Advisors
60
Citadel Advisors
Florida
$777K -$2.29M -148,526 -75%
T. Rowe Price Associates
61
T. Rowe Price Associates
Maryland
$758K +$420K +27,294 +124%
Comerica Bank
62
Comerica Bank
Texas
$753K +$4.71K +301 +0.6%
Canada Life
63
Canada Life
Manitoba, Canada
$688K -$112K -7,302 -14%
MA
64
MYDA Advisors
New York
$677K +$292K +19,000 +76%
GJL
65
Gendell Jeffrey L
$675K -$1.46M -94,917 -68%
UBS AM
66
UBS AM
Illinois
$671K
MS
67
Maven Securities
Jersey
$620K +$60.1K +3,907 +11%
New York State Common Retirement Fund
68
New York State Common Retirement Fund
New York
$612K
Thrivent Financial for Lutherans
69
Thrivent Financial for Lutherans
Minnesota
$583K -$1.03K -67 -0.2%
RCMNY
70
Rubric Capital Management (New York)
New York
$568K -$4.86M -316,511 -90%
ECM
71
ExodusPoint Capital Management
New York
$568K +$568K +36,914 New
TPSF
72
Texas Permanent School Fund
Texas
$566K -$92.4K -6,007 -14%
SOADOR
73
State of Alaska Department of Revenue
Alaska
$548K -$111K -7,210 -17%
COPPSERS
74
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$546K -$939 -61 -0.2%
RA
75
Raffles Associates
New York
$538K