Jim Simons Ambac Financial Group Inc Transaction History

Renaissance Technologies LLC

$70.6 Billion
Q3 2025

A detailed history of Jim Simons (Renaissance Technologies LLC) transactions in Ambac Financial Group Inc stock. As of the latest transaction made, Renaissance Technologies LLC holds 89,200 shares of AMBC stock, worth $849,184. This represents 0.0% of its overall portfolio holdings.

Number of Shares

89,200

Previous 186,100 52.07%

Holding current value

$849,184

Previous $1.32 Million 43.75%

% of portfolio

0.0%

Previous 0.0%

25 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	SELL	$6.94 - $9.72 $672,486 - $941,868	-96,900 Reduced 52.07%	89,200 $743,000
Q2 2025 Aug 13, 2025	BUY	$6.53 - $8.35 $95,338 - $121,910	14,600 Added 8.51%	186,100 $1.32 Million
Q1 2025 May 14, 2025	BUY	$8.25 - $12.41 $390,225 - $586,993	47,300 Added 38.08%	171,500 $1.5 Million
Q4 2024 Feb 13, 2025	SELL	$10.97 - $13.55 $1.81 Million - $2.24 Million	-165,300 Reduced 57.1%	124,200 $1.57 Million
Q3 2024 Nov 13, 2024	BUY	$10.4 - $13.19 $1.79 Million - $2.27 Million	172,256 Added 146.92%	289,500 $3.25 Million

Q2 2024 Aug 09, 2024	SELL	$12.33 - $18.33 $580,743 - $863,342	-47,100 Reduced 28.66%	117,244 $1.5 Million
Q1 2024 May 13, 2024	SELL	$14.59 - $16.94 $326,816 - $379,456	-22,400 Reduced 12.0%	164,344 $2.57 Million
Q4 2023 Feb 13, 2024	BUY	$11.33 - $16.48 $693,396 - $1.01 Million	61,200 Added 48.75%	186,744 $3.08 Million
Q3 2023 Nov 14, 2023	SELL	$12.06 - $14.47 $1.22 Million - $1.46 Million	-100,800 Reduced 44.53%	125,544 $1.51 Million
Q2 2023 Aug 11, 2023	BUY	$13.51 - $15.95 $1.95 Million - $2.3 Million	144,500 Added 176.56%	226,344 $3.22 Million
Q1 2023 May 12, 2023	BUY	$14.47 - $17.5 $910,163 - $1.1 Million	62,900 Added 332.03%	81,844 $1.27 Million
Q4 2022 Feb 13, 2023	SELL	$12.8 - $17.44 $537,036 - $731,712	-41,956 Reduced 68.89%	18,944 $330,000
Q3 2022 Nov 14, 2022	BUY	$2.37 - $15.43 $144,333 - $939,687	60,900 New	60,900 $776,000
Q1 2022 May 13, 2022	SELL	$8.28 - $16.45 $202,031 - $401,380	-24,400 Closed	0 $0
Q4 2021 Feb 11, 2022	SELL	$14.46 - $17.51 $410,664 - $497,284	-28,400 Reduced 53.79%	24,400 $392,000
Q3 2021 Nov 12, 2021	BUY	$13.45 - $15.77 $710,160 - $832,656	52,800 New	52,800 $756,000
Q4 2020 Feb 10, 2021	SELL	$12.16 - $17.9 $1.18 Million - $1.74 Million	-97,300 Closed	0 $0
Q3 2020 Nov 13, 2020	BUY	$11.31 - $14.22 $445,614 - $560,268	39,400 Added 68.05%	97,300 $1.24 Million
Q2 2020 Aug 13, 2020	SELL	$11.19 - $17.33 $621,045 - $961,814	-55,500 Reduced 48.94%	57,900 $829,000
Q1 2020 May 14, 2020	SELL	$9.36 - $22.7 $646,776 - $1.57 Million	-69,100 Reduced 37.86%	113,400 $1.4 Million
Q4 2019 Feb 13, 2020	BUY	$19.21 - $21.74 $1.39 Million - $1.57 Million	72,200 Added 65.46%	182,500 $3.94 Million
Q3 2019 Nov 13, 2019	SELL	$16.91 - $20.05 $1.87 Million - $2.22 Million	-110,700 Reduced 50.09%	110,300 $2.16 Million
Q2 2019 Aug 12, 2019	SELL	$14.54 - $19.09 $933,468 - $1.23 Million	-64,200 Reduced 22.51%	221,000 $3.72 Million
Q1 2019 May 14, 2019	SELL	$17.54 - $20.37 $7,016 - $8,148	-400 Reduced 0.14%	285,200 $5.17 Million
Q4 2018 Feb 13, 2019	BUY	$15.38 - $21.12 $4.39 Million - $6.03 Million	285,600 New	285,600 $4.92 Million

Others Institutions Holding AMBC

# of Institutions

156

Shares Held

40.6M

Call Options Held

11.2M

Put Options Held

513K

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 $428M
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...

More about AMBC

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