150 hedge funds and large institutions have $657M invested in Ambac in 2018 Q4 according to their latest regulatory filings, with 22 funds opening new positions, 53 increasing their positions, 48 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
150
Holders Change
-7
Holders Change %
-4.46%
% of All Funds
3.35%
Holding in Top 10
5
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+66.67%
% of All Funds
0.11%
New
22
Increased
53
Reduced
48
Closed
29
Calls
$14.8M
Puts
$2.87M
Net Calls
+$11.9M
Net Calls Change
-$21.7M
Name Holding Trade Value Shares
Change
Shares
Change %
Renaissance Technologies
26
Renaissance Technologies
New York
$4.92M -$369K -21,400 -7%
Barrow, Hanley, Mewhinney & Strauss
27
Barrow, Hanley, Mewhinney & Strauss
Texas
$4.68M -$1.63M -94,596 -26%
HA
28
Harbor Advisors
Florida
$4.51M +$315K +18,265 +8%
Ameriprise
29
Ameriprise
Minnesota
$4.43M -$30.8K -1,785 -0.7%
AQR Capital Management
30
AQR Capital Management
Connecticut
$4.2M +$778K +45,147 +23%
JPMorgan Chase & Co
31
JPMorgan Chase & Co
New York
$4.1M +$2.35M +136,301 +134%
Arrowstreet Capital
32
Arrowstreet Capital
Massachusetts
$3.72M +$2.12M +122,927 +133%
Nomura Holdings
33
Nomura Holdings
Japan
$3.42M +$1.94M +113,588 +132%
USAA
34
United Services Automobile Association
Texas
$3.36M +$3.11M +180,647 +1,295%
Nordea Investment Management
35
Nordea Investment Management
Sweden
$3.3M +$3.3M +191,600 New
CAM
36
ClariVest Asset Management
California
$3.3M +$3.3M +191,600 New
XSC
37
X-Square Capital
Puerto Rico
$3.28M -$5.03M -291,821 -61%
Invesco
38
Invesco
Georgia
$3.12M +$811K +47,032 +35%
California Public Employees Retirement System
39
California Public Employees Retirement System
California
$3.11M +$266K +15,425 +9%
Canada Pension Plan Investment Board
40
Canada Pension Plan Investment Board
Ontario, Canada
$2.97M -$216K -12,500 -7%
AllianceBernstein
41
AllianceBernstein
Tennessee
$2.94M -$1.18M -68,421 -29%
Connor, Clark & Lunn Investment Management (CC&L)
42
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$2.75M +$2.59K +150 +0.1%
Wells Fargo
43
Wells Fargo
California
$2.72M +$1.13M +65,687 +71%
Susquehanna International Group
44
Susquehanna International Group
Pennsylvania
$2.4M -$6.46M -374,694 -73%
PCM
45
Proxima Capital Management
New York
$2.38M -$2.26M -131,004 -49%
BGIM
46
Brandywine Global Investment Management
Pennsylvania
$2.33M -$3.21K -186 -0.1%
RhumbLine Advisers
47
RhumbLine Advisers
Massachusetts
$2.26M +$388K +22,519 +21%
Hotchkis & Wiley Capital Management
48
Hotchkis & Wiley Capital Management
California
$2.11M +$33.4K +1,938 +2%
Legal & General Group
49
Legal & General Group
United Kingdom
$1.68M -$14.4K -844 -0.9%
Prudential Financial
50
Prudential Financial
New Jersey
$1.63M +$359K +20,847 +28%