135 hedge funds and large institutions have $630M invested in Ambac in 2019 Q2 according to their latest regulatory filings, with 18 funds opening new positions, 55 increasing their positions, 30 reducing their positions, and 35 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
135
Holders Change
-20
Holders Change %
-12.9%
% of All Funds
2.94%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.07%
New
18
Increased
55
Reduced
30
Closed
35
Calls
$41.3M
Puts
$3.09M
Net Calls
+$38.2M
Net Calls Change
+$19.4M
Name Holding Trade Value Shares
Change
Shares
Change %
HA
26
Harbor Advisors
Florida
$4.4M
PPA
27
Parametric Portfolio Associates
Washington
$4.21M -$1.03M -60,839 -20%
Deutsche Bank
28
Deutsche Bank
Germany
$4.1M -$364K -21,617 -8%
NGA
29
New Generation Advisors
Massachusetts
$3.98M +$3.98M +236,345 New
Renaissance Technologies
30
Renaissance Technologies
New York
$3.72M -$1.08M -64,200 -23%
AllianceBernstein
31
AllianceBernstein
Tennessee
$3.25M +$372K +22,100 +13%
QOP
32
Quinn Opportunity Partners
Virginia
$3.08M +$1.54M +91,550 +100%
Nuveen Asset Management
33
Nuveen Asset Management
Illinois
$3.02M +$3.02M +179,074 New
Wells Fargo
34
Wells Fargo
California
$2.93M +$12.9K +765 +0.4%
XSC
35
X-Square Capital
Puerto Rico
$2.82M
KCM
36
Kennedy Capital Management
Missouri
$2.59M +$1.23M +73,276 +91%
Citadel Advisors
37
Citadel Advisors
Florida
$2.43M +$797K +47,319 +49%
RhumbLine Advisers
38
RhumbLine Advisers
Massachusetts
$2.3M +$71.2K +4,227 +3%
BGIM
39
Brandywine Global Investment Management
Pennsylvania
$2.24M -$54.6K -3,242 -2%
BIM
40
Bogle Investment Management
Massachusetts
$2.19M +$10K +596 +0.5%
M
41
MRCap
New York
$2.15M +$2.15M +127,571 New
Susquehanna International Group
42
Susquehanna International Group
Pennsylvania
$2.14M +$1.88M +111,566 +728%
AQR Capital Management
43
AQR Capital Management
Connecticut
$1.97M -$1.8M -106,574 -48%
Legal & General Group
44
Legal & General Group
United Kingdom
$1.9M +$8.75K +519 +0.5%
USAA
45
United Services Automobile Association
Texas
$1.76M +$104K +6,164 +6%
Public Sector Pension Investment Board (PSP Investments)
46
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$1.69M +$989K +58,700 +141%
QI
47
QS Investors
New York
$1.46M +$1.46M +86,600 New
D.E. Shaw & Co
48
D.E. Shaw & Co
New York
$1.46M +$1.46M +86,553 New
California Public Employees Retirement System
49
California Public Employees Retirement System
California
$1.44M -$525K -31,165 -27%
Swiss National Bank
50
Swiss National Bank
Switzerland
$1.42M +$28.6K +1,700 +2%