118 hedge funds and large institutions have $544M invested in Ambac in 2017 Q4 according to their latest regulatory filings, with 22 funds opening new positions, 34 increasing their positions, 39 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
118
Holders Change
-2
Holders Change %
-1.67%
% of All Funds
2.68%
Holding in Top 10
6
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-14.29%
% of All Funds
0.14%
New
22
Increased
34
Reduced
39
Closed
23
Calls
$28.8M
Puts
$4.16M
Net Calls
+$24.6M
Net Calls Change
+$80.8M
Name Holding Trade Value Shares
Change
Shares
Change %
Swiss National Bank
51
Swiss National Bank
Switzerland
$1.19M
California State Teachers Retirement System (CalSTRS)
52
California State Teachers Retirement System (CalSTRS)
California
$1.14M -$23.8K -1,491 -2%
AllianceBernstein
53
AllianceBernstein
Tennessee
$1.11M -$8.31K -520 -0.7%
Allianz Asset Management
54
Allianz Asset Management
Germany
$1.1M
UBS Group
55
UBS Group
Switzerland
$949K -$22K -1,379 -2%
AIMCA
56
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$898K
JPMorgan Chase & Co
57
JPMorgan Chase & Co
New York
$847K -$2.4M -150,450 -74%
First Trust Advisors
58
First Trust Advisors
Illinois
$844K -$652K -40,799 -44%
Parallax Volatility Advisers
59
Parallax Volatility Advisers
California
$836K +$836K +52,346 New
Arrowstreet Capital
60
Arrowstreet Capital
Massachusetts
$799K -$27.2K -1,700 -3%
New York State Common Retirement Fund
61
New York State Common Retirement Fund
New York
$754K
RhumbLine Advisers
62
RhumbLine Advisers
Massachusetts
$743K -$122K -7,620 -14%
QOP
63
Quinn Opportunity Partners
Virginia
$725K +$725K +45,350 New
CS
64
Credit Suisse
Switzerland
$631K -$5.52M -346,065 -90%
PG
65
PEAK6 Group
Illinois
$602K -$556K -34,796 -48%
Invesco
66
Invesco
Georgia
$582K -$190K -11,891 -25%
Manulife (Manufacturers Life Insurance)
67
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$541K +$6.53K +408 +1%
Lazard Asset Management
68
Lazard Asset Management
New York
$534K -$3.3K -207 -0.6%
Prudential Financial
69
Prudential Financial
New Jersey
$507K -$1.32M -82,306 -72%
AIG
70
American International Group
New York
$489K +$2.33K +146 +0.5%
SM
71
SG3 Management
Puerto Rico
$479K +$479K +30,000 New
Los Angeles Capital Management
72
Los Angeles Capital Management
California
$453K +$62K +3,880 +16%
RA
73
Royce & Associates
New York
$442K +$442K +27,667 New
Simplex Trading
74
Simplex Trading
Illinois
$424K +$424K +26,539 New
RJFSA
75
Raymond James Financial Services Advisors
Florida
$370K +$20.8K +1,300 +6%