125 hedge funds and large institutions have $506M invested in Ambac in 2015 Q3 according to their latest regulatory filings, with 22 funds opening new positions, 52 increasing their positions, 33 reducing their positions, and 22 closing their positions.

Holders
125
Holders Change
Holders Change %
0%
% of All Funds
3.49%
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.17%
New
22
Increased
52
Reduced
33
Closed
22
Calls
$9.49M
Puts
$4.09M
Net Calls
+$5.4M
Net Calls Change
-$16.4M
Name Market Value Shares Shares
Change
Shares
Change %
CS
1
Credit Suisse
Switzerland
$32.9M 2,273,219 +922,595 +68%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$32.4M 2,240,260
Vanguard Group
3
Vanguard Group
Pennsylvania
$31.4M 2,170,346 +40,643 +2%
CCA
4
Canyon Capital Advisors
Texas
$30.5M 2,106,942 -22,946 -1%
TCI Fund Management
5
TCI Fund Management
United Kingdom
$28.7M 1,985,785
FTCM
6
Fir Tree Capital Management
New York
$27.2M 1,877,954 +47,265 +3%
AGC
7
Alden Global Capital
Florida
$26.6M 1,835,150
CP
8
Centerbridge Partners
New York
$23.1M 1,598,905 -571,609 -26%
Dimensional Fund Advisors
9
Dimensional Fund Advisors
Texas
$22.9M 1,579,779 +19,788 +1%
RCM
10
Raging Capital Management
New Jersey
$17.3M 1,195,301 +740,786 +163%
Millennium Management
11
Millennium Management
New York
$14.6M 1,011,051 +207,539 +26%
Susquehanna International Group
12
Susquehanna International Group
Pennsylvania
$14.2M 978,844 -428,844 -30%
BFA
13
BlackRock Fund Advisors
California
$14M 965,385 +26,936 +3%
BIT
14
BlackRock Institutional Trust
California
$13.8M 953,331 +658 +0.1%
State Street
15
State Street
Massachusetts
$11.1M 765,344 -16,328 -2%
Goldman Sachs
16
Goldman Sachs
New York
$10.8M 747,475 +10,734 +1%
WA
17
Whitebox Advisors
Minnesota
$8.2M 566,729 -396,570 -41%
SC
18
Sessa Capital
New York
$7.96M 550,000
RA
19
Royce & Associates
New York
$7.16M 494,588 -58,400 -11%
Citadel Advisors
20
Citadel Advisors
Florida
$7.03M 485,523 +181,040 +59%
Northern Trust
21
Northern Trust
Illinois
$6.86M 473,826 +7,922 +2%
Invesco
22
Invesco
Georgia
$5.96M 411,815 +55,844 +16%
Deutsche Bank
23
Deutsche Bank
Germany
$5.61M 388,035 +323,428 +501%
Arrowstreet Capital
24
Arrowstreet Capital
Massachusetts
$5.06M 349,794 +317,594 +986%
Barclays
25
Barclays
United Kingdom
$4.54M 324,462 -2,798 -0.9%