146 hedge funds and large institutions have $628M invested in Ambac in 2017 Q1 according to their latest regulatory filings, with 28 funds opening new positions, 49 increasing their positions, 44 reducing their positions, and 26 closing their positions.

Holders
146
Holders Change
-4
Holders Change %
-2.67%
% of All Funds
3.64%
Holding in Top 10
8
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.2%
New
28
Increased
49
Reduced
44
Closed
26
Calls
$30.2M
Puts
$5.49M
Net Calls
+$24.7M
Net Calls Change
+$12.2M
Name Market Value Shares Shares
Change
Shares
Change %
Dimensional Fund Advisors
1
Dimensional Fund Advisors
Texas
$48.5M 2,571,088
Fidelity Investments
2
Fidelity Investments
Massachusetts
$42.3M 2,240,260
BlackRock
3
BlackRock
New York
$40.2M 2,132,335 +2,121,776 +20,094%
TCI Fund Management
4
TCI Fund Management
United Kingdom
$37.5M 1,985,785
Vanguard Group
5
Vanguard Group
Pennsylvania
$35.9M 1,901,037 -325,308 -15%
Goldman Sachs
6
Goldman Sachs
New York
$34.7M 1,842,136 +491,139 +36%
RCM
7
Raging Capital Management
New Jersey
$27.9M 1,481,447 +835,323 +129%
AGC
8
Alden Global Capital
Florida
$24.6M 1,303,450 -431,700 -25%
EC
9
EJF Capital
Virginia
$23.8M 1,261,376 +523,550 +71%
SC
10
Sessa Capital
New York
$16.5M 872,793 +71,624 +9%
State Street
11
State Street
Massachusetts
$16.4M 868,395 +6,732 +0.8%
AQR Capital Management
12
AQR Capital Management
Connecticut
$16.4M 867,025 +448,694 +107%
CP
13
Centerbridge Partners
New York
$15.3M 812,141
EGA
14
Evermore Global Advisors
New Jersey
$13.5M 716,953 +38,000 +6%
Robeco Institutional Asset Management
15
Robeco Institutional Asset Management
Netherlands
$12.1M 643,960 +231,441 +56%
CS
16
Credit Suisse
Switzerland
$11.9M 632,955 -4,426 -0.7%
Northern Trust
17
Northern Trust
Illinois
$10.3M 547,567 +28,095 +5%
GJL
18
Gendell Jeffrey L
$10.1M 534,400 +31,471 +6%
NI
19
Numeric Investors
Massachusetts
$9.69M 513,670 +24,700 +5%
Invesco
20
Invesco
Georgia
$9.05M 480,026 -3,782 -0.8%
Connor, Clark & Lunn Investment Management (CC&L)
21
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$7.95M 421,574 +16,536 +4%
Charles Schwab
22
Charles Schwab
California
$7.92M 419,690 -165,176 -28%
Deutsche Bank
23
Deutsche Bank
Germany
$7.25M 384,639 +50,736 +15%
Geode Capital Management
24
Geode Capital Management
Massachusetts
$6.87M 364,329 +27,263 +8%
California Public Employees Retirement System
25
California Public Employees Retirement System
California
$4.74M 251,200 +20,300 +9%