150 hedge funds and large institutions have $657M invested in Ambac in 2018 Q4 according to their latest regulatory filings, with 22 funds opening new positions, 53 increasing their positions, 48 reducing their positions, and 29 closing their positions.

Holders
150
Holders Change
-7
Holders Change %
-4.46%
% of All Funds
3.35%
Holding in Top 10
5
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+66.67%
% of All Funds
0.11%
New
22
Increased
53
Reduced
48
Closed
29
Calls
$14.8M
Puts
$2.87M
Net Calls
+$11.9M
Net Calls Change
-$21.7M
Name Market Value Shares Shares
Change
Shares
Change %
BlackRock
1
BlackRock
New York
$107M 6,190,576 +4,020,294 +185%
Vanguard Group
2
Vanguard Group
Pennsylvania
$80.3M 4,654,819 +2,497,176 +116%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$38.3M 2,219,789 -288,416 -11%
EC
4
EJF Capital
Virginia
$36.1M 2,092,365 +317,979 +18%
Fidelity Investments
5
Fidelity Investments
Massachusetts
$35.5M 2,060,260
Bank of America
6
Bank of America
North Carolina
$34.9M 2,022,097 -110,282 -5%
RCM
7
Raging Capital Management
New Jersey
$26.1M 1,514,355 +1,131,186 +295%
State Street
8
State Street
Massachusetts
$21.4M 1,243,997 -20,630 -2%
GJL
9
Gendell Jeffrey L
$14.8M 859,732 -368,967 -30%
Citigroup
10
Citigroup
New York
$14.3M 832,064 +10,947 +1%
Man Group
11
Man Group
United Kingdom
$13M 755,116 -102,642 -12%
RCMNY
12
Rubric Capital Management (New York)
New York
$12.2M 710,433 -689,567 -49%
Bank of New York Mellon
13
Bank of New York Mellon
New York
$11.1M 645,588 +118,656 +23%
Charles Schwab
14
Charles Schwab
California
$10.8M 626,812 -27,425 -4%
Northern Trust
15
Northern Trust
Illinois
$9.98M 578,607 +128 +0%
Morgan Stanley
16
Morgan Stanley
New York
$9.79M 568,090 +207,915 +58%
WA
17
Whitebox Advisors
Minnesota
$9.55M 553,647 -77,289 -12%
Goldman Sachs
18
Goldman Sachs
New York
$9.4M 545,384 -1,329,259 -71%
Geode Capital Management
19
Geode Capital Management
Massachusetts
$8.58M 497,472 +33,695 +7%
CC
20
CQS Cayman
Cayman Islands
$6.9M 400,000
Principal Financial Group
21
Principal Financial Group
Iowa
$6.35M 368,066 +2,041 +0.6%
SC
22
Sessa Capital
New York
$6.21M 360,441 -602,942 -63%
GCM
23
Gator Capital Management
Florida
$6.07M 352,258 +52,644 +18%
Deutsche Bank
24
Deutsche Bank
Germany
$5.87M 340,744 -92,899 -21%
PPA
25
Parametric Portfolio Associates
Washington
$5M 289,788 -5,751 -2%