Institutional Ownership Ambac Financial Group Inc (AMBC)
This table provides information about the institutional ownership of Ambac Financial Group Inc (AMBC). We have compiled data on the 156 institutions that hold shares in the stock, with a total of 40.6 Million shares, which have been reported (via 13F filing form) to have a value of $387 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
Nov 13, 2025 Q3 2025 |
89,200
shares
|
$849,184
0.0% of portfolio
|
Q3 2025
Reduced 52.07%
|
|
|
Aqr Capital Management LLC
Greenwich, CT |
Nov 14, 2025 Q3 2025 |
82,562
shares
|
$785,990
0.0% of portfolio
|
Q3 2025
Added 60.94%
|
|
|
Balyasny Asset Management LLC
Chicago, IL |
Nov 14, 2025 Q3 2025 |
81,221
shares
|
$773,223
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Dld Asset Management, LP
New York, NY |
Nov 14, 2025 Q3 2025 |
79,300
shares
|
$754,936
0.1% of portfolio
|
Q3 2025
Added 58.6%
|
|
|
Sg Americas Securities, LLC
|
Oct 23, 2025 Q3 2025 |
75,415
shares
|
$717,950
0.0% of portfolio
|
Q3 2025
Added 248.47%
|
|
|
Wells Fargo & Company
San Francisco, CA |
Nov 13, 2025 Q3 2025 |
73,857
shares
|
$703,118
0.0% of portfolio
|
Q3 2025
Added 2.85%
|
|
|
Empirical Finance, LLC
|
Nov 13, 2025 Q3 2025 |
72,182
shares
|
$687,172
0.03% of portfolio
|
Q2 2025
New holding
|
|
|
Price T Rowe Associates Inc
Baltimore, MD |
Nov 14, 2025 Q3 2025 |
70,941
shares
|
$675,358
0.0% of portfolio
|
Q3 2025
Added 35.89%
|
|
|
Sender CO & Partners, Inc.
New York, NY |
Nov 14, 2025 Q3 2025 |
70,890
shares
|
$674,872
0.2% of portfolio
|
Q3 2025
New holding
|
|
|
Rhumbline Advisers
Boston, MA |
Nov 06, 2025 Q3 2025 |
67,170
shares
|
$639,458
0.0% of portfolio
|
Q3 2025
Reduced 10.34%
|
|
|
Caxton Associates LLP
London, |
Nov 17, 2025 Q3 2025 |
65,647
shares
|
$624,959
0.01% of portfolio
|
Q1 2025
New holding
|
|
|
Jefferies Group LLC
New York, NY |
Sep 21, 2023 Q3 2022 |
65,564
shares
|
$624,169
0.01% of portfolio
|
Q3 2022
Added 309.78%
|
|
|
Diametric Capital, LP
Boston, MA |
Nov 13, 2025 Q3 2025 |
64,626
shares
|
$615,239
0.26% of portfolio
|
Q3 2025
New holding
|
|
|
Prudential Financial Inc
Newark, NJ |
Nov 13, 2025 Q3 2025 |
56,625
shares
|
$539,070
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Caxton Associates LP
New York, NY |
Feb 14, 2025 Q4 2024 |
48,648
shares
|
$463,128
0.02% of portfolio
|
Q4 2024
Added 1.65%
|
|
|
Quantinno Capital Management LP
New York, NY |
Nov 14, 2025 Q3 2025 |
40,353
shares
|
$384,160
0.0% of portfolio
|
Q3 2025
Added 39.99%
|
|
|
Alliancebernstein L.P.
New York, NY |
Nov 14, 2025 Q3 2025 |
37,530
shares
|
$357,285
0.0% of portfolio
|
Q2 2025
Added 34.81%
|
|
|
Brevan Howard Capital Management LP
St. Helier, Y9 |
Nov 14, 2025 Q3 2025 |
35,485
shares
|
$337,817
0.0% of portfolio
|
Q3 2025
Reduced 30.01%
|
|
|
Jpmorgan Chase & CO
New York, NY |
Nov 26, 2025 Q3 2025 |
34,555
shares
|
$328,963
0.0% of portfolio
|
Q3 2025
Reduced 45.51%
|
|
|
Quarry LP
New York, NY |
Nov 14, 2025 Q3 2025 |
26,000
shares
|
$247,520
0.05% of portfolio
|
Q3 2025
Added 1572.03%
|
|
|
Klcm Advisors, Inc.
|
Nov 13, 2025 Q3 2025 |
24,000
shares
|
$228,480
0.02% of portfolio
|
Q1 2025
Added 71.43%
|
|
|
Intech Investment Management LLC
West Palm Beach, FL |
Nov 10, 2025 Q3 2025 |
22,520
shares
|
$214,390
0.0% of portfolio
|
Q3 2025
Reduced 45.59%
|
|
|
Cresset Asset Management, LLC
Chicago, IL |
Nov 12, 2025 Q3 2025 |
22,193
shares
|
$211,277
0.0% of portfolio
|
Q1 2025
Reduced 1.64%
|
|
|
Gator Capital Management, LLC
|
Nov 13, 2025 Q3 2025 |
21,435
shares
|
$204,061
0.05% of portfolio
|
Q4 2024
Reduced 70.36%
|
|
|
Wolverine Trading, LLC
Chicago, IL |
Nov 14, 2025 Q3 2025 |
21,298
shares
|
$202,756
0.0% of portfolio
|
Q3 2025
New holding
|
|