155 hedge funds and large institutions have $660M invested in Ambac in 2019 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 54 increasing their positions, 50 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
155
Holders Change
+5
Holders Change %
+3.33%
% of All Funds
3.36%
Holding in Top 10
1
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-80%
% of All Funds
0.02%
New
25
Increased
54
Reduced
50
Closed
19
Calls
$20.8M
Puts
$2.03M
Net Calls
+$18.8M
Net Calls Change
+$6.89M
Name Holding Trade Value Shares
Change
Shares
Change %
BlackRock
1
BlackRock
New York
$113M +$679K +37,500 +0.6%
Vanguard Group
2
Vanguard Group
Pennsylvania
$86M +$1.63M +90,152 +2%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$38.9M -$1.37M -75,377 -3%
EC
4
EJF Capital
Virginia
$37.4M -$537K -29,644 -1%
Fidelity Investments
5
Fidelity Investments
Massachusetts
$37.3M
Bank of America
6
Bank of America
North Carolina
$34.9M -$1.71M -94,312 -5%
RCM
7
Raging Capital Management
New Jersey
$24.7M -$2.77M -153,000 -10%
State Street
8
State Street
Massachusetts
$23.5M +$965K +53,246 +4%
Citigroup
9
Citigroup
New York
$16.4M +$1.37M +75,737 +9%
GJL
10
Gendell Jeffrey L
$14.5M -$1.05M -57,993 -7%
Man Group
11
Man Group
United Kingdom
$13.8M +$119K +6,584 +0.9%
Bank of New York Mellon
12
Bank of New York Mellon
New York
$11.7M -$21.9K -1,207 -0.2%
Morgan Stanley
13
Morgan Stanley
New York
$11.4M +$1.09M +60,114 +11%
Northern Trust
14
Northern Trust
Illinois
$10.7M +$232K +12,805 +2%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$10M +$1.01M +55,544 +11%
Goldman Sachs
16
Goldman Sachs
New York
$9.39M -$496K -27,374 -5%
Charles Schwab
17
Charles Schwab
California
$9.31M -$2.05M -112,962 -18%
Arrowstreet Capital
18
Arrowstreet Capital
Massachusetts
$7.91M +$4M +220,767 +102%
CC
19
CQS Cayman
Cayman Islands
$7.88M +$634K +35,000 +9%
Principal Financial Group
20
Principal Financial Group
Iowa
$6.6M -$67.1K -3,705 -1%
JPMorgan Chase & Co
21
JPMorgan Chase & Co
New York
$6.21M +$1.9M +104,689 +44%
Invesco
22
Invesco
Georgia
$5.98M +$2.69M +148,715 +82%
PPA
23
Parametric Portfolio Associates
Washington
$5.63M +$380K +20,953 +7%
Ameriprise
24
Ameriprise
Minnesota
$5.25M +$592K +32,650 +13%
Renaissance Technologies
25
Renaissance Technologies
New York
$5.17M -$7.25K -400 -0.1%