125 hedge funds and large institutions have $579M invested in Ambac in 2015 Q2 according to their latest regulatory filings, with 21 funds opening new positions, 45 increasing their positions, 39 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
125
Holders Change
+3
Holders Change %
+2.46%
% of All Funds
3.37%
Holding in Top 10
6
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-25%
% of All Funds
0.16%
New
21
Increased
45
Reduced
39
Closed
17
Calls
$34.8M
Puts
$13M
Net Calls
+$21.8M
Net Calls Change
+$13.2M
Name Holding Trade Value Shares
Change
Shares
Change %
VAM
51
Visium Asset Management
New York
$1.21M -$471K -28,284 -28%
LPU
52
Lansdowne Partners (UK)
United Kingdom
$1.19M -$1.25M -75,211 -51%
Norges Bank
53
Norges Bank
Norway
$1.18M
NCCM
54
Nine Chapters Capital Management
New Jersey
$1.15M -$278K -16,700 -20%
TA
55
Teachers Advisors
New York
$1.11M +$32K +1,925 +3%
Deutsche Bank
56
Deutsche Bank
Germany
$1.07M +$539K +32,483 +101%
CL
57
CSS LLC
Illinois
$1.06M +$83.2K +5,000 +9%
PP
58
PDT Partners
New York
$1.03M +$870K +52,276 +537%
RhumbLine Advisers
59
RhumbLine Advisers
Massachusetts
$885K -$82.4K -4,950 -9%
Swiss National Bank
60
Swiss National Bank
Switzerland
$869K +$23.3K +1,400 +3%
New York State Common Retirement Fund
61
New York State Common Retirement Fund
New York
$784K +$784K +47,090 New
PP
62
Paloma Partners
Connecticut
$641K +$641K +38,466 New
Wells Fargo
63
Wells Fargo
California
$610K +$210K +12,607 +52%
NFA
64
Nationwide Fund Advisors
Ohio
$575K -$40.4K -2,428 -7%
MBTD
65
Mechanics Bank - Trust Department
California
$570K +$200K +12,000 +54%
Los Angeles Capital Management
66
Los Angeles Capital Management
California
$557K +$557K +33,478 New
MLICM
67
Metropolitan Life Insurance Company (MetLife)
New York
$555K -$26.3K -1,583 -5%
ARTA
68
A.R.T. Advisors
New York
$537K +$89.3K +5,373 +20%
Arrowstreet Capital
69
Arrowstreet Capital
Massachusetts
$536K +$536K +32,200 New
BTS
70
BB&T Securities
Virginia
$524K -$29.1K -1,750 -5%
D.E. Shaw & Co
71
D.E. Shaw & Co
New York
$516K +$516K +31,000 New
PG
72
PEAK6 Group
Illinois
$505K +$228K +13,699 +82%
Bank of America
73
Bank of America
North Carolina
$457K -$12.3M -737,304 -96%
AIG
74
American International Group
New York
$440K -$37.1K -2,229 -8%
CEP
75
Chicago Equity Partners
Illinois
$391K +$210K +12,625 +116%