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 %
RA
126
Rational Advisors
New York
$25K -$40.4K -2,100 -62%
LTFS
127
Ladenburg Thalmann Financial Services
Florida
$19K -$14.8K -800 -44%
Loomis, Sayles & Company
128
Loomis, Sayles & Company
Massachusetts
$17K +$17K +927 New
IIC
129
Integrated Investment Consultants
Michigan
$13K
Creative Planning
130
Creative Planning
Kansas
$12K
MWM
131
Mascoma Wealth Management
New Hampshire
$8K
Bessemer Group
132
Bessemer Group
New Jersey
$8K
HCM
133
Herndon Capital Management
Georgia
$8K +$475 +25 +6%
NIT
134
NumerixS Investment Technologies
British Columbia, Canada
$8K +$8K +400 New
US Bancorp
135
US Bancorp
Minnesota
$7K
Bank of Montreal
136
Bank of Montreal
Ontario, Canada
$7K
WCBA
137
Weaver C. Barksdale & Associates
Tennessee
$5K
CFS
138
Commonwealth Financial Services
West Virginia
$3K
IA
139
IFP Advisors
Florida
$3K
AG
140
Advisor Group
Arizona
$3K +$3K +141 New
TRCT
141
Tower Research Capital (TRC)
New York
$2K -$2.82K -151 -59%
WAM
142
Wealthspire Advisors (Maryland)
Maryland
$2K +$2K +84 New
LF
143
Lee Financial
Texas
$1K
Walleye Trading
144
Walleye Trading
New York
$930 +$119 +6,315 +15%
VCM
145
Venor Capital Management
New York
-$24.3M -1,078,289 Closed
CCA
146
Canyon Capital Advisors
Texas
-$6.33M -281,412 Closed
PG
147
PEAK6 Group
Illinois
-$1.36M -60,504 Closed
Citadel Advisors
148
Citadel Advisors
Florida
-$1.32M -58,520 Closed
VKH
149
Virtu KCG Holdings
New York
-$1.08M -47,863 Closed
CIP
150
Convergence Investment Partners
Florida
-$967K -42,990 Closed