146 hedge funds and large institutions have $628M invested in Ambac in 2017 Q1 according to their latest regulatory filings, with 28 funds opening new positions, 49 increasing their positions, 44 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
146
Holders Change
-4
Holders Change %
-2.67%
% of All Funds
3.64%
Holding in Top 10
8
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.2%
New
28
Increased
49
Reduced
44
Closed
26
Calls
$30.2M
Puts
$5.49M
Net Calls
+$24.7M
Net Calls Change
+$12.2M
Name Holding Trade Value Shares
Change
Shares
Change %
PP
76
PDT Partners
New York
$745K -$56.6K -3,000 -7%
Barclays
77
Barclays
United Kingdom
$733K -$1.15M -61,110 -61%
HSBC Holdings
78
HSBC Holdings
United Kingdom
$667K +$667K +35,384 New
JIM
79
Jupiter Investment Management
United Kingdom
$639K +$611K +32,419 +2,195%
Lazard Asset Management
80
Lazard Asset Management
New York
$631K +$631K +33,460 New
Manulife (Manufacturers Life Insurance)
81
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$628K +$77.5K +4,105 +14%
DTL
82
Dynamic Technology Lab
Singapore
$626K +$626K +33,171 New
MLICM
83
Metropolitan Life Insurance Company (MetLife)
New York
$617K
Thrivent Financial for Lutherans
84
Thrivent Financial for Lutherans
Minnesota
$617K +$617K +32,690 New
ARTA
85
A.R.T. Advisors
New York
$594K +$594K +31,530 New
AIG
86
American International Group
New York
$523K +$34.6K +1,835 +7%
Simplex Trading
87
Simplex Trading
Illinois
$519K -$170K -9,027 -25%
Two Sigma Advisers
88
Two Sigma Advisers
New York
$515K -$153K -8,100 -23%
Susquehanna International Group
89
Susquehanna International Group
Pennsylvania
$507K -$1.58M -83,968 -76%
AG
90
Aperio Group
California
$491K +$17.7K +941 +4%
SG Americas Securities
91
SG Americas Securities
New York
$438K +$438K +23,207 New
State Board of Administration of Florida Retirement System
92
State Board of Administration of Florida Retirement System
Florida
$413K
TI
93
Trexquant Investment
Connecticut
$403K +$403K +21,373 New
Wolverine Trading
94
Wolverine Trading
Illinois
$390K +$121K +6,482 +45%
T. Rowe Price Associates
95
T. Rowe Price Associates
Maryland
$368K +$368K +19,526 New
Arrowstreet Capital
96
Arrowstreet Capital
Massachusetts
$362K +$362K +19,173 New
GC
97
Globeflex Capital
California
$362K +$362K +19,188 New
VOYA Investment Management
98
VOYA Investment Management
Georgia
$361K
Tudor Investment Corp
99
Tudor Investment Corp
Connecticut
$355K +$157K +8,300 +79%
JG
100
Jefferies Group
New York
$347K +$347K +18,416 New