Ken Griffin Ambac Financial Group Inc Transaction History

Citadel Advisors LLC

$550 Billion
Q2 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Ambac Financial Group Inc stock. As of the latest transaction made, Citadel Advisors LLC holds 1,118,761 shares of AMBC stock, worth $9.01 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

1,118,761

Previous 294,800 279.5%

Holding current value

$9.01 Million

Previous $2.58 Million 207.99%

% of portfolio

0.0%

Previous 0.0%

31 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	BUY	$6.53 - $8.35 $104,734 - $133,925	16,039 Added 1.45%	1,118,761 $7.94 Million
Q1 2025 May 15, 2025	BUY	$8.25 - $12.41 $5.97 Million - $8.98 Million	723,712 Added 190.95%	1,102,722 $9.65 Million
Q4 2024 Feb 14, 2025	SELL	$10.97 - $13.55 $3.84 Million - $4.75 Million	-350,221 Reduced 48.03%	379,010 $4.79 Million
Q3 2024 Nov 14, 2024	BUY	$10.4 - $13.19 $3.29 Million - $4.17 Million	315,991 Added 76.47%	729,231 $8.17 Million
Q2 2024 Aug 14, 2024	BUY	$12.33 - $18.33 $2.71 Million - $4.03 Million	220,051 Added 113.9%	413,240 $5.3 Million
Q1 2024 May 15, 2024	SELL	$14.59 - $16.94 $3.08 Million - $3.58 Million	-211,121 Reduced 52.22%	193,189 $3.02 Million
Q4 2023 Feb 14, 2024	BUY	$11.33 - $16.48 $2.9 Million - $4.22 Million	255,812 Added 172.27%	404,310 $6.66 Million
Q3 2023 Nov 14, 2023	BUY	$12.06 - $14.47 $1.07 Million - $1.28 Million	88,409 Added 147.13%	148,498 $1.79 Million
Q2 2023 Aug 14, 2023	SELL	$13.51 - $15.95 $114,551 - $135,240	-8,479 Reduced 12.37%	60,089 $855,000
Q1 2023 May 15, 2023	SELL	$14.47 - $17.5 $3.6 Million - $4.35 Million	-248,720 Reduced 78.39%	68,568 $1.06 Million
Q4 2022 Feb 14, 2023	BUY	$12.8 - $17.44 $1.94 Million - $2.64 Million	151,576 Added 91.47%	317,288 $5.53 Million
Q3 2022 Nov 14, 2022	SELL	$2.37 - $15.43 $135,535 - $882,410	-57,188 Reduced 25.66%	165,712 $2.11 Million
Q2 2022 Aug 15, 2022	BUY	$7.3 - $11.81 $264,500 - $427,911	36,233 Added 19.41%	222,900 $2.53 Million
Q1 2022 May 16, 2022	SELL	$8.28 - $16.45 $1.67 Million - $3.32 Million	-201,549 Reduced 51.92%	186,667 $1.94 Million
Q4 2021 Feb 14, 2022	BUY	$14.46 - $17.51 $3.66 Million - $4.44 Million	253,342 Added 187.84%	388,216 $6.23 Million
Q3 2021 Nov 15, 2021	BUY	$13.45 - $15.77 $403,607 - $473,226	30,008 Added 28.62%	134,874 $1.93 Million
Q2 2021 Aug 16, 2021	BUY	$14.18 - $17.68 $173,520 - $216,350	12,237 Added 13.21%	104,866 $1.64 Million
Q1 2021 May 17, 2021	BUY	$14.23 - $18.42 $599,737 - $776,329	42,146 Added 83.49%	92,629 $1.55 Million
Q4 2020 Feb 16, 2021	SELL	$12.16 - $17.9 $1.81 Million - $2.66 Million	-148,526 Reduced 74.63%	50,483 $777,000
Q3 2020 Nov 16, 2020	BUY	$11.31 - $14.22 $844,517 - $1.06 Million	74,670 Added 60.05%	199,009 $2.54 Million
Q2 2020 Aug 14, 2020	BUY	$11.19 - $17.33 $297,788 - $461,185	26,612 Added 27.23%	124,339 $1.78 Million
Q1 2020 May 15, 2020	BUY	$9.36 - $22.7 $616,786 - $1.5 Million	65,896 Added 207.02%	97,727 $1.21 Million
Q3 2019 Nov 14, 2019	SELL	$16.91 - $20.05 $1.9 Million - $2.26 Million	-112,519 Reduced 77.95%	31,831 $622,000
Q2 2019 Aug 14, 2019	BUY	$14.54 - $19.09 $688,018 - $903,319	47,319 Added 48.77%	144,350 $2.43 Million
Q1 2019 May 15, 2019	BUY	$17.54 - $20.37 $1.01 Million - $1.17 Million	57,413 Added 144.92%	97,031 $0
Q4 2018 Feb 14, 2019	SELL	$15.38 - $21.12 $560,062 - $769,084	-36,415 Reduced 47.89%	39,618 $683,000
Q3 2018 Nov 13, 2018	BUY	$19.48 - $22.22 $830,744 - $947,594	42,646 Added 127.73%	76,033 $0
Q2 2018 Aug 10, 2018	BUY	$15.24 - $20.93 $46,070 - $63,271	3,023 Added 9.96%	33,387 $0
Q1 2018 May 11, 2018	BUY	$14.14 - $16.9 $169,298 - $202,343	11,973 Added 65.1%	30,364 $476,000
Q4 2017 Feb 09, 2018	SELL	$13.35 - $17.68 $929,240 - $1.23 Million	-69,606 Reduced 79.1%	18,391 $294,000
Q3 2017 Nov 09, 2017	BUY	$17.17 - $20.43 $1.51 Million - $1.8 Million	87,997	87,997 $1.52 Million

Others Institutions Holding AMBC

# of Institutions

181

Shares Held

40.1M

Call Options Held

10.5M

Put Options Held

809K

View Full List

About AMBAC FINANCIAL GROUP INC

Ticker AMBC
Exchange NYSE
Sector Financial Services
Industry Insurance—Specialty
Shares Outstandng 44,962,900
Market Cap $362M
Description
Ambac Financial Group, Inc., a financial services holding company, provides financial guarantees in the United States, the United Kingdom, Italy, Austria, Australia, France, and Internationally. It offers financial guarantee insurance policies; specialty property & casualty program insurance; credit derivative contracts; and interest rate de...

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