Latest Institutional Purchases of Ambac Financial Group Inc (AMBC)
This list provides information on the latest institutional transactions involving Ambac Financial Group Inc (AMBC) stock that were buys. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Aug 13, 2025
Q2 2025
|
Continental General Insurance CO
Austin, TX |
BUY
|
- |
1.22MNew |
$7.96M - $10.2M
|
1.22M
$11.1M
|
|
|
Aug 14, 2025
Q2 2025
|
Gendell Jeffrey L
Greenwich, CT |
BUY
|
- |
596K+ 98.98% |
$3.89M - $4.98M
|
1.2M
$10.9M
|
|
|
Aug 14, 2025
Q2 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
- |
487K+ 95.81% |
$3.18M - $4.07M
|
996K
$9.09M
|
|
|
Aug 13, 2025
Q2 2025
|
Marshall Wace, LLP
London, X0 |
BUY
|
- |
443K+ 215.55% |
$2.89M - $3.7M
|
648K
$5.92M
|
|
|
Aug 07, 2025
Q2 2025
|
Prescott Group Capital Management, L.L.C.
Tulsa, OK |
BUY
|
- |
434K+ 98.02% |
$2.83M - $3.62M
|
876K
$8M
|
|
|
Aug 14, 2025
Q2 2025
|
Immersion Corp
Aventura, FL |
BUY
|
- |
300KNew |
$1.96M - $2.51M
|
300K
$2.74M
|
|
|
Aug 13, 2025
Q2 2025
|
Third Avenue Management LLC
New York, NY |
BUY
|
- |
237K+ 64.65% |
$1.55M - $1.98M
|
603K
$5.51M
|
|
|
Aug 13, 2025
Q2 2025
|
Hotchkis & Wiley Capital Management LLC
Los Angeles, CA |
BUY
|
- |
236K+ 42.29% |
$1.54M - $1.97M
|
794K
$7.24M
|
|
|
Aug 27, 2025
Q2 2025
|
Squarepoint Ops LLC
New York, NY |
BUY
|
- |
234K+ 100.69% |
$1.53M - $1.95M
|
466K
$4.26M
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Group Ag
|
BUY
|
- |
218K+ 153.83% |
$1.43M - $1.82M
|
360K
$3.29M
|
|
|
Aug 01, 2025
Q2 2025
|
Y Intercept (Hong Kong) LTD
|
BUY
|
- |
204K+ 139.47% |
$1.33M - $1.71M
|
351K
$3.2M
|
|
|
Aug 13, 2025
Q2 2025
|
Hap Trading, LLC
New York, NY |
BUY
|
CALL |
189K+ 378.0% |
$1.23M - $1.58M
|
239K
$2.18M
|
|
|
Aug 12, 2025
Q2 2025
|
Nuveen, LLC
Charlotte, NC |
BUY
|
- |
184K+ 65.21% |
$1.2M - $1.54M
|
467K
$4.26M
|
|
|
Aug 12, 2025
Q2 2025
|
Trexquant Investment LP
Stamford, CT |
BUY
|
- |
156K+ 96.75% |
$1.02M - $1.3M
|
317K
$2.89M
|
|
|
Aug 14, 2025
Q2 2025
|
Cubist Systematic Strategies, LLC
Stamford, CT |
BUY
|
- |
129K+ 75.78% |
$844K - $1.08M
|
300K
$2.74M
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
PUT |
118K+ 60.29% |
$771K - $986K
|
314K
$2.87M
|
|
|
Aug 07, 2025
Q2 2025
|
Connor, Clark & Lunn Investment Management Ltd.
|
BUY
|
- |
79.9K+ 255.95% |
$521K - $667K
|
111K
$1.01M
|
|
|
Aug 13, 2025
Q2 2025
|
Dld Asset Management, LP
New York, NY |
BUY
|
CALL |
76KNew |
$496K - $635K
|
76K
$694K
|
|
|
Aug 13, 2025
Q2 2025
|
Norges Bank
Oslo, Q8 |
BUY
|
- |
75KNew |
$490K - $626K
|
75K
$685K
|
|
|
Aug 11, 2025
Q2 2025
|
Empirical Finance, LLC
|
BUY
|
- |
72.2KNew |
$471K - $603K
|
72.2K
$659K
|
|
|
Aug 14, 2025
Q2 2025
|
Ameriprise Financial Inc
Minneapolis, MN |
BUY
|
- |
65.3K+ 65.55% |
$426K - $545K
|
165K
$1.5M
|
|
|
Aug 12, 2025
Q2 2025
|
Virtu Financial LLC
New York, NY |
BUY
|
- |
62.8KNew |
$410K - $525K
|
62.8K
$574K
|
|
|
Aug 13, 2025
Q2 2025
|
Aurelius Capital Management, LP
New York, NY |
BUY
|
- |
60.5KNew |
$395K - $506K
|
60.5K
$553K
|
|
|
Aug 14, 2025
Q2 2025
|
State Of Wisconsin Investment Board
Madison, WI |
BUY
|
- |
59.5KNew |
$389K - $497K
|
59.5K
$544K
|
|
|
Aug 14, 2025
Q2 2025
|
Aqr Capital Management LLC
Greenwich, CT |
BUY
|
- |
51.3KNew |
$335K - $428K
|
51.3K
$468K
|
|
|
Aug 13, 2025
Q2 2025
|
Dld Asset Management, LP
New York, NY |
BUY
|
- |
50KNew |
$327K - $418K
|
50K
$457K
|
|
|
Aug 14, 2025
Q2 2025
|
Royal Bank Of Canada
Toronto, A6 |
BUY
|
- |
49.2K+ 1633.37% |
$321K - $411K
|
52.2K
$477K
|
|
|
Aug 13, 2025
Q2 2025
|
Centiva Capital, LP
New York, NY |
BUY
|
- |
46.8KNew |
$306K - $391K
|
46.8K
$427K
|
|
|
Jul 22, 2025
Q2 2025
|
Imc Chicago, LLC
|
BUY
|
- |
46.2K+ 48.76% |
$302K - $386K
|
141K
$1.29M
|
|
|
Aug 13, 2025
Q2 2025
|
Walleye Capital LLC
Plymouth, MN |
BUY
|
- |
38.1KNew |
$249K - $318K
|
38.1K
$348K
|
|
|
Aug 14, 2025
Q2 2025
|
Qube Research & Technologies LTD
London, X0 |
BUY
|
- |
37.6KNew |
$245K - $314K
|
37.6K
$343K
|
|
|
Aug 14, 2025
Q2 2025
|
Nebula Research & Development LLC
New York, NY |
BUY
|
- |
34K+ 46.54% |
$222K - $284K
|
107K
$978K
|
|
|
Aug 14, 2025
Q2 2025
|
Graham Capital Management, L.P.
Rowayton, CT |
BUY
|
- |
31.4KNew |
$205K - $262K
|
31.4K
$287K
|
|
|
Jul 29, 2025
Q2 2025
|
Vela Investment Management, LLC
New Albany, OH |
BUY
|
- |
30.4K+ 32.85% |
$198K - $253K
|
123K
$1.12M
|
|
|
Jul 30, 2025
Q2 2025
|
First Citizens Bank & Trust CO
|
BUY
|
- |
29.1K+ 207.11% |
$190K - $243K
|
43.2K
$395K
|
|
|
Jul 25, 2025
Q2 2025
|
Envestnet Portfolio Solutions, Inc.
Berwyn, PA |
BUY
|
- |
29.1K+ 232.62% |
$190K - $243K
|
41.7K
$380K
|
|
|
Aug 14, 2025
Q2 2025
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
BUY
|
- |
28.9K+ 10.43% |
$189K - $241K
|
306K
$2.79M
|
|
|
Aug 14, 2025
Q2 2025
|
Quantinno Capital Management LP
New York, NY |
BUY
|
- |
28.8KNew |
$188K - $241K
|
28.8K
$263K
|
|
|
Aug 08, 2025
Q2 2025
|
Geode Capital Management, LLC
Boston, MA |
BUY
|
- |
27.7K+ 2.53% |
$181K - $231K
|
1.12M
$10.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Fj Capital Management LLC
Mclean, VA |
BUY
|
- |
24.7KNew |
$161K - $206K
|
24.7K
$225K
|
|
|
Aug 14, 2025
Q2 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
PUT |
23.2K+ 34.68% |
$151K - $194K
|
90.1K
$823K
|
|
|
Aug 08, 2025
Q2 2025
|
Creative Planning
Overland Park, KS |
BUY
|
- |
20.4KNew |
$133K - $171K
|
20.4K
$186K
|
|
|
Aug 14, 2025
Q2 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
- |
16K+ 1.45% |
$105K - $134K
|
1.12M
$10.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Winton Group LTD
London, X0 |
BUY
|
- |
15.2KNew |
$99.2K - $127K
|
15.2K
$139K
|
|
|
Aug 13, 2025
Q2 2025
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
BUY
|
- |
14.6K+ 8.51% |
$95.3K - $122K
|
186K
$1.7M
|
|
|
Aug 14, 2025
Q2 2025
|
Point72 Hong Kong LTD
Hong Kong, K3 |
BUY
|
- |
14.2KNew |
$92.4K - $118K
|
14.2K
$129K
|
|
|
Aug 14, 2025
Q2 2025
|
Ieq Capital, LLC
|
BUY
|
- |
13.7KNew |
$89.2K - $114K
|
13.7K
$125K
|
|
|
Aug 14, 2025
Q2 2025
|
Sig Brokerage, LP
Bala Cynwyd, PA |
BUY
|
CALL |
12.5KNew |
$81.6K - $104K
|
12.5K
$114K
|
|
|
Aug 14, 2025
Q2 2025
|
Bridgeway Capital Management, LLC
Houston, TX |
BUY
|
- |
12.1K+ 3.97% |
$79.2K - $101K
|
317K
$2.9M
|
|
|
Aug 11, 2025
Q2 2025
|
Empowered Funds, LLC
|
BUY
|
- |
12.1K+ 6.21% |
$79.2K - $101K
|
207K
$1.89M
|