Latest Institutional Sells of Ambac Financial Group Inc (AMBC)
This list provides information on the latest institutional transactions involving Ambac Financial Group Inc (AMBC) stock that were sells. 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 sale has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
- |
-947K- 84.67% |
$6.57M - $9.21M
|
172K
$1.63M
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
SELL
|
- |
-666K- 70.84% |
$4.62M - $6.48M
|
274K
$2.61M
|
|
|
Nov 12, 2025
Q3 2025
|
American Century Companies Inc
Kansas City, MO |
SELL
|
- |
-306K- 69.74% |
$2.12M - $2.97M
|
133K
$1.26M
|
|
|
Nov 12, 2025
Q3 2025
|
Group One Trading, L.P.
Chicago, IL |
SELL
|
- |
-301K- 93.64% |
$2.09M - $2.93M
|
20.4K
$195K
|
|
|
Nov 14, 2025
Q3 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
SELL
|
- |
-295K- 29.63% |
$2.05M - $2.87M
|
701K
$6.67M
|
|
|
Nov 14, 2025
Q3 2025
|
Squarepoint Ops LLC
New York, NY |
SELL
|
- |
-291K- 62.47% |
$2.02M - $2.83M
|
175K
$1.67M
|
|
|
Nov 14, 2025
Q3 2025
|
Morgan Stanley
New York, NY |
SELL
|
- |
-264K- 57.58% |
$1.83M - $2.56M
|
194K
$1.85M
|
|
|
Nov 12, 2025
Q3 2025
|
Dimensional Fund Advisors LP
Austin, TX |
SELL
|
- |
-255K- 10.63% |
$1.77M - $2.48M
|
2.14M
$20.4M
|
|
|
Nov 14, 2025
Q3 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
SELL
|
- |
-217K- 64.63% |
$1.51M - $2.11M
|
119K
$1.13M
|
|
|
Oct 31, 2025
Q3 2025
|
Y Intercept (Hong Kong) LTD
|
SELL
|
- |
-200K- 57.09% |
$1.39M - $1.95M
|
150K
$1.43M
|
|
|
Nov 13, 2025
Q3 2025
|
Marshall Wace, LLP
London, X0 |
SELL
|
- |
-193K- 29.79% |
$1.34M - $1.88M
|
455K
$4.33M
|
|
|
Nov 14, 2025
Q3 2025
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
SELL
|
- |
-181K- 59.06% |
$1.25M - $1.75M
|
125K
$1.19M
|
|
|
Nov 14, 2025
Q3 2025
|
Trexquant Investment LP
Stamford, CT |
SELL
|
- |
-180K- 56.87% |
$1.25M - $1.75M
|
137K
$1.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Caption Management, LLC
Oklahoma City, OK |
SELL
|
PUT |
-152K- 76.0% |
$1.05M - $1.48M
|
48K
$457K
|
|
|
Nov 13, 2025
Q3 2025
|
Deutsche Bank Ag\
Frankfurt Am Main, 2M |
SELL
|
- |
-113K- 17.54% |
$786K - $1.1M
|
532K
$5.07M
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
SELL
|
PUT |
-104K- 33.25% |
$725K - $1.01M
|
210K
$2M
|
|
|
Nov 13, 2025
Q3 2025
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
SELL
|
- |
-96.9K- 52.07% |
$672K - $942K
|
89.2K
$849K
|
|
|
Nov 13, 2025
Q3 2025
|
Ubs Group Ag
|
SELL
|
- |
-80.8K- 22.42% |
$561K - $785K
|
279K
$2.66M
|
|
|
Nov 12, 2025
Q3 2025
|
Geode Capital Management, LLC
Boston, MA |
SELL
|
- |
-62K- 5.52% |
$430K - $603K
|
1.06M
$10.1M
|
|
|
Nov 04, 2025
Q3 2025
|
Imc Chicago, LLC
|
SELL
|
- |
-43.6K- 30.92% |
$303K - $424K
|
97.4K
$927K
|
|
|
Nov 14, 2025
Q3 2025
|
Exodus Point Capital Management, LP
New York, NY |
SELL
|
- |
-31.9K- 69.27% |
$221K - $310K
|
14.2K
$135K
|
|
|
Nov 07, 2025
Q3 2025
|
Jpmorgan Chase & CO
New York, NY |
SELL
|
- |
-28.9K- 45.51% |
$200K - $281K
|
34.6K
$329K
|
|
|
Nov 14, 2025
Q3 2025
|
Northern Trust Corp
Chicago, IL |
SELL
|
- |
-26.9K- 6.92% |
$187K - $261K
|
362K
$3.45M
|
|
|
Nov 10, 2025
Q3 2025
|
Intech Investment Management LLC
West Palm Beach, FL |
SELL
|
- |
-18.9K- 45.59% |
$131K - $183K
|
22.5K
$214K
|
|
|
Nov 14, 2025
Q3 2025
|
Verition Fund Management LLC
Greenwich, CT |
SELL
|
- |
-18.8K- 47.78% |
$130K - $183K
|
20.5K
$195K
|
|
|
Nov 14, 2025
Q3 2025
|
Brevan Howard Capital Management LP
St. Helier, Y9 |
SELL
|
- |
-15.2K- 30.01% |
$106K - $148K
|
35.5K
$338K
|
|
|
Nov 10, 2025
Q3 2025
|
Citigroup Inc
|
SELL
|
- |
-13.7K- 59.44% |
$95K - $133K
|
9.34K
$88.9K
|
|
|
Nov 07, 2025
Q3 2025
|
Vanguard Group Inc
Valley Forge, PA |
SELL
|
- |
-13.3K- 0.52% |
$92K - $129K
|
2.56M
$24.3M
|
|
|
Nov 04, 2025
Q3 2025
|
State Of Wyoming
Cheyenne, WY |
SELL
|
- |
-11.9K- 82.15% |
$82.7K - $116K
|
2.59K
$24.6K
|
|
|
Nov 12, 2025
Q3 2025
|
Simplex Trading, LLC
|
SELL
|
- |
-10.3K- 33.12% |
$71.8K - $101K
|
20.9K
$199K
|
|
|
Nov 06, 2025
Q3 2025
|
Rhumbline Advisers
Boston, MA |
SELL
|
- |
-7.75K- 10.34% |
$53.8K - $75.3K
|
67.2K
$639K
|
|
|
Nov 13, 2025
Q3 2025
|
Invesco Ltd.
Atlanta, GA |
SELL
|
- |
-6.36K- 3.73% |
$44.1K - $61.8K
|
164K
$1.56M
|
|
|
Nov 14, 2025
Q3 2025
|
Mirae Asset Global Etfs Holdings Ltd.
Central, K3 |
SELL
|
- |
-6.23K- 23.7% |
$43.2K - $60.5K
|
20.1K
$191K
|
|
|
Nov 13, 2025
Q3 2025
|
Connor, Clark & Lunn Investment Management Ltd.
|
SELL
|
- |
-5.59K- 5.03% |
$38.8K - $54.3K
|
105K
$1M
|
|
|
Nov 10, 2025
Q3 2025
|
Charles Schwab Investment Management Inc
San Francisco, CA |
SELL
|
- |
-5.39K- 1.39% |
$37.4K - $52.4K
|
383K
$3.64M
|
|
|
Nov 10, 2025
Q3 2025
|
Ameritas Investment Partners, Inc.
Lincoln, NE |
SELL
|
- |
-935- 20.4% |
$6.49K - $9.09K
|
3.65K
$34.7K
|
|
|
Nov 03, 2025
Q3 2025
|
Federated Hermes, Inc.
Pittsburgh, PA |
SELL
|
- |
-811- 15.5% |
$5.63K - $7.88K
|
4.42K
$42.1K
|
|
|
Nov 06, 2025
Q3 2025
|
Mraz, Amerine & Associates, Inc.
|
SELL
|
- |
-600- 3.18% |
$4.16K - $5.83K
|
18.3K
$174K
|
|
|
Nov 13, 2025
Q3 2025
|
Legal & General Group PLC
London, X0 |
SELL
|
- |
-466- 10.82% |
$3.23K - $4.53K
|
3.84K
$36.5K
|
|
|
Nov 04, 2025
Q3 2025
|
Sbi Securities Co., Ltd.
Tokyo, M0 |
SELL
|
- |
-428- 97.27% |
$2.97K - $4.16K
|
12
$114
|
|
|
Oct 22, 2025
Q3 2025
|
Cerity Partners LLC
New York, NY |
SELL
|
- |
-361- 3.05% |
$2.51K - $3.51K
|
11.5K
$109K
|
|
|
Oct 02, 2025
Q3 2025
|
Gamma Investing LLC
Foster City, CA |
SELL
|
- |
-133- 17.5% |
$923 - $1.29K
|
627
$5.97K
|
|
|
Oct 23, 2025
Q3 2025
|
Nisa Investment Advisors, LLC
|
SELL
|
- |
-48- 4.72% |
$333 - $467
|
970
$9.23K
|
|
|
Nov 06, 2025
Q3 2025
|
Advisors Asset Management, Inc.
Monument, CO |
SELL
|
- |
-1- 0.98% |
$6.94 - $9.72
|
101
$962
|
|
| Q2 2025 | |||||||
|
Aug 14, 2025
Q2 2025
|
Repertoire Partners LP
New York, NY |
SELL
|
- |
-453K- 38.56% |
$2.96M - $3.78M
|
721K
$6.87M
|
|
|
Aug 14, 2025
Q2 2025
|
Hrt Financial LP
New York, NY |
SELL
|
- |
-282K- 70.34% |
$1.84M - $2.36M
|
119K
$1.13M
|
|
|
Aug 13, 2025
Q2 2025
|
Walleye Trading LLC
Plymouth, MN |
SELL
|
- |
-143K- 48.18% |
$936K - $1.2M
|
154K
$1.47M
|
|
|
Aug 14, 2025
Q2 2025
|
Engineers Gate Manager LP
New York, NY |
SELL
|
- |
-82.9K- 64.01% |
$541K - $692K
|
46.6K
$444K
|
|
|
Aug 14, 2025
Q2 2025
|
Two Sigma Investments, LP
New York, NY |
SELL
|
- |
-81.7K- 65.05% |
$534K - $683K
|
43.9K
$418K
|
|
|
Aug 13, 2025
Q2 2025
|
Quantbot Technologies LP
New York, NY |
SELL
|
- |
-81.5K- 81.22% |
$532K - $680K
|
18.8K
$179K
|
|