126 hedge funds and large institutions have $564M invested in Ambac in 2021 Q2 according to their latest regulatory filings, with 12 funds opening new positions, 37 increasing their positions, 46 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
126
Holders Change
-14
Holders Change %
-10%
% of All Funds
2.2%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.07%
New
12
Increased
37
Reduced
46
Closed
26
Calls
$4.14M
Puts
$1.35M
Net Calls
+$2.79M
Net Calls Change
-$833K
Name Holding Trade Value Shares
Change
Shares
Change %
Ameriprise
26
Ameriprise
Minnesota
$3.99M +$112K +7,154 +3%
Nuveen Asset Management
27
Nuveen Asset Management
Illinois
$3.02M -$149K -9,482 -5%
Invesco
28
Invesco
Georgia
$2.82M +$291K +18,564 +12%
Public Sector Pension Investment Board (PSP Investments)
29
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$2.43M
RhumbLine Advisers
30
RhumbLine Advisers
Massachusetts
$2.3M -$103K -6,574 -4%
JAM
31
Jacobs Asset Management
New York
$2.16M
CS
32
Credit Suisse
Switzerland
$2.11M -$264K -16,842 -11%
Wells Fargo
33
Wells Fargo
California
$2.1M -$215K -13,728 -9%
QOP
34
Quinn Opportunity Partners
Virginia
$2.02M -$125K -8,000 -6%
Bank of America
35
Bank of America
North Carolina
$1.67M -$387K -24,701 -19%
Citadel Advisors
36
Citadel Advisors
Florida
$1.64M +$192K +12,237 +13%
Swiss National Bank
37
Swiss National Bank
Switzerland
$1.58M -$43.9K -2,800 -3%
Legal & General Group
38
Legal & General Group
United Kingdom
$1.53M -$470K -30,002 -23%
BCM
39
Bluefin Capital Management
New York
$1.33M +$1.33M +84,731 New
PPA
40
Parametric Portfolio Associates
Washington
$1.3M +$132K +8,417 +11%
UBS Group
41
UBS Group
Switzerland
$1.1M -$305K -19,487 -22%
Millennium Management
42
Millennium Management
New York
$1.09M -$534K -34,106 -33%
D.E. Shaw & Co
43
D.E. Shaw & Co
New York
$1.08M -$716K -45,712 -40%
California State Teachers Retirement System (CalSTRS)
44
California State Teachers Retirement System (CalSTRS)
California
$980K -$88.9K -5,676 -8%
BC
45
Brookfield Corp
Ontario, Canada
$940K +$940K +60,000 New
GCP
46
GSA Capital Partners
United Kingdom
$911K +$911K +58,189 New
Ensign Peak Advisors
47
Ensign Peak Advisors
Utah
$900K
Tudor Investment Corp
48
Tudor Investment Corp
Connecticut
$889K +$33.1K +2,112 +4%
Verition Fund Management
49
Verition Fund Management
Connecticut
$830K -$298K -19,048 -26%
RA
50
Royce & Associates
New York
$830K