150 hedge funds and large institutions have $728M invested in Ambac in 2018 Q2 according to their latest regulatory filings, with 51 funds opening new positions, 45 increasing their positions, 29 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
150
Holders Change
+34
Holders Change %
+29.31%
% of All Funds
3.44%
Holding in Top 10
5
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-16.67%
% of All Funds
0.11%
New
51
Increased
45
Reduced
29
Closed
17
Calls
$29.3M
Puts
$12.8M
Net Calls
+$16.5M
Net Calls Change
+$6M
Name Holding Trade Value Shares
Change
Shares
Change %
Dimensional Fund Advisors
1
Dimensional Fund Advisors
Texas
$50.4M -$513K -25,842 -1%
Bank of America
2
Bank of America
North Carolina
$42.6M +$7.25M +365,140 +21%
Vanguard Group
3
Vanguard Group
Pennsylvania
$42.5M +$1.44M +72,593 +4%
BlackRock
4
BlackRock
New York
$42M -$249K -12,567 -0.6%
Fidelity Investments
5
Fidelity Investments
Massachusetts
$40.9M -$3.57M -180,000 -8%
Goldman Sachs
6
Goldman Sachs
New York
$36.7M +$484K +24,360 +1%
EC
7
EJF Capital
Virginia
$32.2M -$11.8M -592,298 -27%
RCM
8
Raging Capital Management
New Jersey
$28M -$16.8M -844,168 -37%
RCMNY
9
Rubric Capital Management (New York)
New York
$27.8M +$16.6M +837,156 +149%
GJL
10
Gendell Jeffrey L
$24M +$2.65M +133,510 +12%
State Street
11
State Street
Massachusetts
$23.4M +$4.67M +235,102 +25%
SC
12
Sessa Capital
New York
$21.8M -$17.9M -900,000 -45%
Citigroup
13
Citigroup
New York
$15.5M -$854K -43,011 -5%
Man Group
14
Man Group
United Kingdom
$15.2M +$15.2M +766,740 New
Charles Schwab
15
Charles Schwab
California
$12.6M +$3.26M +164,149 +35%
WA
16
Whitebox Advisors
Minnesota
$12.5M +$4.28M +215,836 +52%
Northern Trust
17
Northern Trust
Illinois
$11.2M +$409K +20,604 +4%
HSBC Holdings
18
HSBC Holdings
United Kingdom
$10.9M +$10.9M +548,130 New
Bank of New York Mellon
19
Bank of New York Mellon
New York
$10.2M +$5.95M +299,739 +141%
Morgan Stanley
20
Morgan Stanley
New York
$9.87M -$7.58M -381,627 -43%
XSC
21
X-Square Capital
Puerto Rico
$9.57M +$3.48M +175,295 +57%
Deutsche Bank
22
Deutsche Bank
Germany
$9.39M +$2.08M +104,856 +28%
Geode Capital Management
23
Geode Capital Management
Massachusetts
$8.81M +$808K +40,723 +10%
DG
24
Delek Group
Israel
$8.54M
Barrow, Hanley, Mewhinney & Strauss
25
Barrow, Hanley, Mewhinney & Strauss
Texas
$8.06M +$3.88M +195,330 +93%