AMBAC FINL GROUP INC

Ticker: OSG CUSIP: 023139884 Class: Common Stock

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 970 Value ($000) $8 Avg Close $8.55 Range $7.63 - $10.38
Q3 2025
Shares 970 Value ($000) $8 Avg Close $8.45 Range $6.86 - $10.05
Q2 2025
Shares 1,018 Value ($000) $7 Avg Close $7.45 Range $5.99 - $8.69
Q1 2025
Shares 970 Value ($000) $8 Avg Close $10.53 Range $7.92 - $12.84
Q4 2024
Shares 1,001 Value ($000) $13 Avg Close $12.05 Range $10.83 - $13.64
Q3 2024
Shares 1,005 Value ($000) $11 Avg Close $11.69 Range $10.12 - $13.32
Q2 2024
Shares 77,974 Value ($000) $1,000 Avg Close $15.25 Range $11.80 - $18.45
Q1 2024
Shares 78,014 Value ($000) $1,219 Avg Close $15.77 Range $14.53 - $17.80
Q4 2023
Shares 3,014 Value ($000) $50 Avg Close $13.90 Range $11.26 - $16.60
Q3 2023
Shares 2,814 Value ($000) $34 Avg Close $13.44 Range $11.99 - $14.64
Q2 2023
Shares 2,814 Value ($000) $40 Avg Close $14.63 Range $13.18 - $16.10
Q1 2023
Shares 2,814 Value ($000) $0 Avg Close $16.18 Range $14.17 - $17.75
Q4 2022
Shares 2,814 Value ($000) $0 Avg Close $14.86 Range $12.55 - $17.59
Q3 2022
Shares 2,814 Value ($000) $39 Avg Close $13.32 Range $11.15 - $15.59
Q2 2022
Shares 2,770 Value ($000) $31 Avg Close $9.49 Range $7.24 - $11.85
Q1 2022
Shares 1,700 Value ($000) $18 Avg Close $13.55 Range $8.14 - $16.64
Q3 2021
Shares 4,950 Value ($000) $71 Avg Close $14.28 Range $13.09 - $15.94
Q2 2021
Shares 4,950 Value ($000) $78 Avg Close $16.07 Range $13.94 - $17.82
Q1 2021
Shares 4,950 Value ($000) $83 Avg Close $16.34 Range $14.13 - $18.63
Q4 2020
Shares 4,950 Value ($000) $76 Avg Close $14.74 Range $11.92 - $18.19
Q3 2020
Shares 4,950 Value ($000) $63 Avg Close $12.88 Range $11.14 - $14.75
Q2 2020
Shares 4,950 Value ($000) $71 Avg Close $14.62 Range $10.58 - $17.64
Q1 2020
Shares 4,700 Value ($000) $58 Avg Close $19.17 Range $8.74 - $22.90
Q4 2019
Shares 18,400 Value ($000) $397 Avg Close $20.51 Range $19.05 - $21.95
Q3 2019
Shares 18,400 Value ($000) $360 Avg Close $18.37 Range $16.69 - $20.74
Q2 2019
Shares 18,400 Value ($000) $310 Avg Close $17.07 Range $14.44 - $19.28
Q1 2019
Shares 18,400 Value ($000) $333 Avg Close $19.10 Range $17.01 - $21.01
Q4 2018
Shares 18,400 Value ($000) $317 Avg Close $18.36 Range $15.02 - $21.38
Q3 2018
Shares 18,400 Value ($000) $376 Avg Close $20.88 Range $19.30 - $23.34
Q2 2018
Shares 18,400 Value ($000) $365 Avg Close $18.46 Range $15.17 - $21.11
Q1 2018
Shares 18,400 Value ($000) $279 Avg Close $15.46 Range $13.96 - $17.09
Q4 2017
Shares 18,400 Value ($000) $294 Avg Close $15.38 Range $13.17 - $17.79
Q3 2017
Shares 10,300 Value ($000) $178 Avg Close $18.46 Range $16.75 - $22.02
Q2 2017
Shares 10,300 Value ($000) $170 Avg Close $17.77 Range $15.67 - $20.28
Q1 2017
Shares 10,300 Value ($000) $194 Avg Close $21.04 Range $17.39 - $23.55
Q4 2016
Shares 11,100 Value ($000) $250 Avg Close $21.85 Range $17.75 - $27.25
Q3 2016
Shares 11,100 Value ($000) $204 Avg Close $17.94 Range $15.42 - $19.35
Q2 2016
Shares 11,100 Value ($000) $183 Avg Close $16.04 Range $14.42 - $17.77
Q1 2016
Shares 11,100 Value ($000) $175 Avg Close $14.47 Range $11.92 - $17.32