157 hedge funds and large institutions have $722M invested in Ambac in 2018 Q3 according to their latest regulatory filings, with 19 funds opening new positions, 60 increasing their positions, 47 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
157
Holders Change
+7
Holders Change %
+4.67%
% of All Funds
3.6%
Holding in Top 10
3
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-40%
% of All Funds
0.07%
New
19
Increased
60
Reduced
47
Closed
10
Calls
$47.8M
Puts
$14.2M
Net Calls
+$33.6M
Net Calls Change
+$17.1M
Name Holding Trade Value Shares
Change
Shares
Change %
Dimensional Fund Advisors
1
Dimensional Fund Advisors
Texas
$51.2M -$674K -32,999 -1%
BlackRock
2
BlackRock
New York
$44.3M +$1.14M +55,967 +3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$44.1M +$325K +15,930 +0.7%
Bank of America
4
Bank of America
North Carolina
$43.5M -$241K -11,781 -0.5%
Fidelity Investments
5
Fidelity Investments
Massachusetts
$42.1M
Goldman Sachs
6
Goldman Sachs
New York
$38.3M +$483K +23,652 +1%
EC
7
EJF Capital
Virginia
$36.2M +$3.06M +149,896 +9%
RCMNY
8
Rubric Capital Management (New York)
New York
$28.6M
State Street
9
State Street
Massachusetts
$25.8M +$1.76M +86,156 +7%
GJL
10
Gendell Jeffrey L
$25.1M +$389K +19,045 +2%
SC
11
Sessa Capital
New York
$19.7M -$2.75M -134,521 -12%
Man Group
12
Man Group
United Kingdom
$17.5M +$1.86M +91,018 +12%
Citigroup
13
Citigroup
New York
$16.8M +$854K +41,820 +5%
Charles Schwab
14
Charles Schwab
California
$13.4M +$416K +20,355 +3%
WA
15
Whitebox Advisors
Minnesota
$12.9M
HSBC Holdings
16
HSBC Holdings
United Kingdom
$12.5M +$1.3M +63,496 +12%
Northern Trust
17
Northern Trust
Illinois
$11.8M +$255K +12,486 +2%
Bank of New York Mellon
18
Bank of New York Mellon
New York
$10.8M +$293K +14,337 +3%
Susquehanna International Group
19
Susquehanna International Group
Pennsylvania
$10.5M +$6.15M +300,954 +141%
XSC
20
X-Square Capital
Puerto Rico
$9.84M
Geode Capital Management
21
Geode Capital Management
Massachusetts
$9.47M +$407K +19,923 +4%
Deutsche Bank
22
Deutsche Bank
Germany
$8.86M -$801K -39,219 -8%
CC
23
CQS Cayman
Cayman Islands
$8.17M +$1.74M +85,000 +27%
RCM
24
Raging Capital Management
New Jersey
$7.82M -$20.9M -1,025,574 -73%
LSV Asset Management
25
LSV Asset Management
Illinois
$7.66M