135 hedge funds and large institutions have $599M invested in Ambac in 2021 Q4 according to their latest regulatory filings, with 19 funds opening new positions, 53 increasing their positions, 31 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
135
Holders Change
+2
Holders Change %
+1.5%
% of All Funds
2.08%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.03%
New
19
Increased
53
Reduced
31
Closed
17
Calls
$10.1M
Puts
$3.7M
Net Calls
+$6.44M
Net Calls Change
+$3.27M
Name Holding Trade Value Shares
Change
Shares
Change %
Two Sigma Advisers
76
Two Sigma Advisers
New York
$557K +$202K +12,600 +57%
BNP Paribas Financial Markets
77
BNP Paribas Financial Markets
France
$540K -$245K -15,275 -31%
TPSF
78
Texas Permanent School Fund
Texas
$538K -$10.6K -658 -2%
New York State Common Retirement Fund
79
New York State Common Retirement Fund
New York
$537K
GCP
80
GSA Capital Partners
United Kingdom
$532K -$794K -49,463 -60%
SOADOR
81
State of Alaska Department of Revenue
Alaska
$526K -$14.8K -925 -3%
CG
82
Cutler Group
California
$520K +$486K +30,300 +1,443%
BFM
83
Boothbay Fund Management
New York
$474K +$32.9K +2,053 +7%
AIG
84
American International Group
New York
$445K -$14.2K -886 -3%
SEI Investments
85
SEI Investments
Pennsylvania
$436K
RJFSA
86
Raymond James Financial Services Advisors
Florida
$433K
AllianceBernstein
87
AllianceBernstein
Tennessee
$401K +$2.13K +133 +0.5%
DTL
88
Dynamic Technology Lab
Singapore
$400K +$226K +14,106 +130%
Renaissance Technologies
89
Renaissance Technologies
New York
$392K -$456K -28,400 -54%
TI
90
Trexquant Investment
Connecticut
$391K +$72K +4,479 +23%
LSERS
91
Louisiana State Employees Retirement System
Louisiana
$360K +$1.61K +100 +0.4%
AB
92
Amalgamated Bank
New York
$349K +$7.2K +449 +2%
State Board of Administration of Florida Retirement System
93
State Board of Administration of Florida Retirement System
Florida
$336K
MAA
94
Mraz Amerine & Associates
California
$335K
RIM
95
Redwood Investment Management
Arizona
$326K -$16.6K -1,033 -5%
MSRPS
96
Maryland State Retirement & Pension System
Maryland
$292K
VOYA Investment Management
97
VOYA Investment Management
Georgia
$289K -$16.8K -1,048 -6%
OPERF
98
Oregon Public Employees Retirement Fund
Oregon
$289K -$12.9K -800 -4%
TRCT
99
Tower Research Capital (TRC)
New York
$258K -$80.1K -4,988 -24%
MIM
100
MetLife Investment Management
New Jersey
$254K +$79.4K +4,950 +46%