118 hedge funds and large institutions have $772M invested in Ambac in 2014 Q3 according to their latest regulatory filings, with 16 funds opening new positions, 38 increasing their positions, 39 reducing their positions, and 23 closing their positions.

Holders
118
Holders Change
-7
Holders Change %
-5.6%
% of All Funds
3.43%
Holding in Top 10
5
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-37.5%
% of All Funds
0.15%
New
16
Increased
38
Reduced
39
Closed
23
Calls
$41.1M
Puts
$18.4M
Net Calls
+$22.8M
Net Calls Change
+$18.4M
Name Market Value Shares Shares
Change
Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$55.3M 2,502,603 -11,422 -0.5%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$51M 2,305,460 +349,100 +18%
CP
3
Centerbridge Partners
New York
$48.8M 2,208,114 +205,006 +10%
CCA
4
Canyon Capital Advisors
Texas
$47.7M 2,159,575 +145,934 +7%
FTCM
5
Fir Tree Capital Management
New York
$44.3M 2,006,400
CIFMU
6
Childrens Investment Fund Management (UK)
United Kingdom
$43.9M 1,985,785
WA
7
Whitebox Advisors
Minnesota
$33.6M 1,520,079 +742,783 +96%
CS
8
Credit Suisse
Switzerland
$33.1M 1,496,184 +649,844 +77%
AGCJ
9
Alden Global Capital (Jersey)
Jersey
$30.8M 1,395,052 -470,257 -25%
GC
10
GW Capital
Washington
$29.4M 1,329,859 -74,072 -5%
BIT
11
BlackRock Institutional Trust
California
$23M 1,039,666 -37,338 -3%
Dimensional Fund Advisors
12
Dimensional Fund Advisors
Texas
$22.5M 1,018,118 +204,744 +25%
BFA
13
BlackRock Fund Advisors
California
$21M 950,926 -22,962 -2%
LPU
14
Lansdowne Partners (UK)
United Kingdom
$20.6M 930,115 -29,200 -3%
Morgan Stanley
15
Morgan Stanley
New York
$19.3M 872,878 +280,303 +47%
KCM
16
Key Colony Management
Arkansas
$17.4M 788,241 -24,100 -3%
State Street
17
State Street
Massachusetts
$16.2M 731,930 -58,459 -7%
RA
18
Royce & Associates
New York
$14M 635,446 +34,755 +6%
Renaissance Technologies
19
Renaissance Technologies
New York
$13M 588,400 -15,500 -3%
Deutsche Bank
20
Deutsche Bank
Germany
$12.2M 552,326 +280,411 +103%
SCI
21
Seneca Capital Investments
New York
$12M 542,112 +122,712 +29%
Northern Trust
22
Northern Trust
Illinois
$11M 497,913 -27,139 -5%
ACM
23
Archer Capital Management
New York
$9.68M 437,970 -445,522 -50%
Susquehanna International Group
24
Susquehanna International Group
Pennsylvania
$8.22M 372,122 +90,567 +32%
VCM
25
Venor Capital Management
New York
$6.96M 314,998 -450,696 -59%