116 hedge funds and large institutions have $520M invested in Ambac in 2018 Q1 according to their latest regulatory filings, with 17 funds opening new positions, 29 increasing their positions, 37 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
116
Holders Change
-2
Holders Change %
-1.69%
% of All Funds
2.66%
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.14%
New
17
Increased
29
Reduced
37
Closed
19
Calls
$14.7M
Puts
$4.28M
Net Calls
+$10.5M
Net Calls Change
-$14.2M
Name Holding Trade Value Shares
Change
Shares
Change %
CC
26
CQS Cayman
Cayman Islands
$4.54M +$784K +50,000 +21%
PCM
27
Proxima Capital Management
New York
$4.5M +$2.62M +167,070 +139%
California Public Employees Retirement System
28
California Public Employees Retirement System
California
$4.01M -$931K -59,394 -19%
HA
29
Harbor Advisors
Florida
$3.81M
PPA
30
Parametric Portfolio Associates
Washington
$3.36M -$190K -12,086 -5%
Bank of New York Mellon
31
Bank of New York Mellon
New York
$3.34M +$101K +6,447 +3%
Barrow, Hanley, Mewhinney & Strauss
32
Barrow, Hanley, Mewhinney & Strauss
Texas
$3.31M -$9.02K -575 -0.3%
AQR Capital Management
33
AQR Capital Management
Connecticut
$3.14M -$3.34M -212,922 -52%
Two Sigma Advisers
34
Two Sigma Advisers
New York
$2.52M +$87.2K +5,562 +4%
Susquehanna International Group
35
Susquehanna International Group
Pennsylvania
$2.48M -$1.9M -121,329 -43%
DMK
36
David M. Knott
$2.28M
Hotchkis & Wiley Capital Management
37
Hotchkis & Wiley Capital Management
California
$1.8M
TCIM
38
TIAA CREF Investment Management
New York
$1.68M -$527K -33,616 -24%
Walleye Trading
39
Walleye Trading
New York
$1.65M +$1.65M +104,960 New
RA
40
Raffles Associates
New York
$1.65M +$1.65M +105,000 New
Wells Fargo
41
Wells Fargo
California
$1.44M +$76.5K +4,875 +6%
Wolverine Trading
42
Wolverine Trading
Illinois
$1.44M +$1.44M +91,786 New
CA
43
Corrado Advisors
New Jersey
$1.4M -$765K -48,810 -35%
BCM
44
Bridgeway Capital Management
Texas
$1.34M -$157K -10,000 -10%
AMH
45
Apollo Management Holdings
New York
$1.33M +$1.33M +84,888 New
PAM
46
Panagora Asset Management
Massachusetts
$1.3M -$1.35M -85,848 -51%
Bank of Nova Scotia
47
Bank of Nova Scotia
Ontario, Canada
$1.26M +$1.26M +80,400 New
PG
48
PEAK6 Group
Illinois
$1.26M +$669K +42,686 +113%
TA
49
Teachers Advisors
New York
$1.25M
Swiss National Bank
50
Swiss National Bank
Switzerland
$1.24M +$69K +4,400 +6%