115 hedge funds and large institutions have $507M invested in Ambac in 2016 Q1 according to their latest regulatory filings, with 10 funds opening new positions, 41 increasing their positions, 37 reducing their positions, and 21 closing their positions.

Holders
115
Holders Change
-12
Holders Change %
-9.45%
% of All Funds
3.07%
Holding in Top 10
4
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-20%
% of All Funds
0.11%
New
10
Increased
41
Reduced
37
Closed
21
Calls
$678K
Puts
$550K
Net Calls
+$128K
Net Calls Change
+$415K
Name Market Value Shares Shares
Change
Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$35.4M 2,240,260
CCA
2
Canyon Capital Advisors
Texas
$35.1M 2,219,290 +207,602 +10%
Vanguard Group
3
Vanguard Group
Pennsylvania
$32.4M 2,047,916 -188,336 -8%
TCI Fund Management
4
TCI Fund Management
United Kingdom
$31.4M 1,985,785
CS
5
Credit Suisse
Switzerland
$30.7M 1,944,381 -169,911 -8%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$28.5M 1,802,712 +208,770 +13%
AGC
7
Alden Global Capital
Florida
$27.4M 1,735,150 -200,000 -10%
Goldman Sachs
8
Goldman Sachs
New York
$25.9M 1,638,120 +874,423 +114%
FTCM
9
Fir Tree Capital Management
New York
$19.6M 1,241,724 -636,230 -34%
RCM
10
Raging Capital Management
New Jersey
$17.4M 1,099,962 -486,102 -31%
BFA
11
BlackRock Fund Advisors
California
$15.4M 977,149 -5,309 -0.5%
BIT
12
BlackRock Institutional Trust
California
$15M 947,546 -4,427 -0.5%
CP
13
Centerbridge Partners
New York
$14.4M 910,841
SC
14
Sessa Capital
New York
$12.7M 801,169
State Street
15
State Street
Massachusetts
$12.5M 793,110 +9,419 +1%
NI
16
Numeric Investors
Massachusetts
$11.7M 738,320 +171,000 +30%
Invesco
17
Invesco
Georgia
$8.65M 547,596 +102,950 +23%
Northern Trust
18
Northern Trust
Illinois
$7.9M 499,721 +9,073 +2%
RA
19
Royce & Associates
New York
$6.67M 422,088 -8,000 -2%
Robeco Institutional Asset Management
20
Robeco Institutional Asset Management
Netherlands
$5.97M 377,832 +174,214 +86%
Wells Fargo
21
Wells Fargo
California
$5.66M 357,925 +156 +0%
OAM
22
Oxford Asset Management
United Kingdom
$5.53M 349,819 +85,360 +32%
Charles Schwab
23
Charles Schwab
California
$5.41M 342,071 +69,652 +26%
Connor, Clark & Lunn Investment Management (CC&L)
24
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$4.64M 293,700 +21,025 +8%
Millennium Management
25
Millennium Management
New York
$4.11M 259,890 -403,461 -61%