Form 13-F position report

AMBAC FINL GROUP INC NEW COM S

Reported by Bracebridge Capital LLC

Manager portfolio Source filing
OSG CUSIP 023139884 Manager CIK 0001426486
Latest reported change

Reported 579,234 shares, unchanged from the prior quarter.

Reported value -18.9%; share count 0.0% vs. the prior quarter.

Unchanged
% of reported 13F value 0.22% This manager · Q2 2025
Shares 579,234 Quarter-end amount reported
Reported value $4,112,561 Fair value at quarter end
Consecutive quarters held 23 Through Q2 2025

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Manager history

Quarterly position history

How this manager's reported quarter-end position changed over time.

20 quarters
Quarter Activity Shares Change % of reported 13F Reported value Filed
Q2 2026 Unchanged 579,234 0 (0.0%) 0.07% $3,614,420 2026-08-14
Q1 2026 Unchanged 579,234 0 (0.0%) 0.07% $2,693,438 2026-05-15
Q4 2025 Unchanged 579,234 0 (0.0%) 0.14% $4,506,441 2026-02-17
Q3 2025 Unchanged 579,234 0 (0.0%) 0.25% $4,830,812 2025-11-14
Q2 2025 Unchanged 579,234 0 (0.0%) 0.22% $4,112,561 2025-08-14
Q1 2025 Unchanged 579,234 0 (0.0%) 0.34% $5,068,298 2025-05-15
Q4 2024 Unchanged 579,234 0 (0.0%) 0.52% $7,327,310 2025-02-14
Q3 2024 Unchanged 579,234 0 (0.0%) 1.06% $6,493,213 2024-11-14
Q2 2024 Reduced 579,234 -220,000 (-27.5%) 1.34% $7,425,780 2024-08-14
Q1 2024 Unchanged 799,234 0 (0.0%) 1.54% $12,492,027 2024-05-10
Q4 2023 Unchanged 799,234 0 (0.0%) 2.84% $13,171,376 2024-02-12
Q3 2023 Unchanged 799,234 0 (0.0%) 1.53% $9,638,762 2023-11-14
Q2 2023 Unchanged 799,234 0 (0.0%) 6.25% $11,381,092 2023-08-14
Q1 2023 Unchanged 799,234 0 (0.0%) 3.3% $12,372,142 2023-05-12
Q4 2022 Unchanged 799,234 0 (0.0%) 1.3% $13,938,641 2023-02-10
Q3 2022 Unchanged 799,234 0 (0.0%) 1.79% $10,190,000 2022-11-01
Q2 2022 Unchanged 799,234 0 (0.0%) 1.44% $9,071,000 2022-08-08
Q1 2022 Unchanged 799,234 0 (0.0%) 0.62% $8,312,000 2022-05-11
Q4 2021 Unchanged 799,234 0 (0.0%) 0.79% $12,828,000 2022-02-14
Q3 2021 Unchanged 799,234 0 (0.0%) 1.01% $11,445,000 2021-11-12
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Institutional context

Who else reported the position

206 managers reported AMBAC FINL GROUP INC NEW COM S for Q2 2025.

Manager Activity Shares Change % of reported 13F Reported value Tenure
BlackRock Inc Reduced 4,588,054 -306,626 < 0.01% $32,575,182 4 qtrs
VANGUARD GROUP INC Reduced 2,568,440 -92,442 < 0.01% $18,235,924 49 qtrs
DIMENSIONAL FUND ADVISORS LP Reduced 2,395,737 -161,143 < 0.01% $17,009,625 47 qtrs
FMR LLC Reduced 1,532,645 -3,026 < 0.01% $10,881,778 49 qtrs
CONTINENTAL GENERAL INSURANCE CO New 1,218,349 +1,218,349 2.22% $8,650,278 1 qtr
GENDELL JEFFREY L Added 1,198,420 +596,134 0.23% $8,508,782 11 qtrs
GEODE CAPITAL MANAGEMENT LLC Added 1,122,616 +27,670 < 0.01% $7,972,222 49 qtrs
CITADEL ADVISORS LLC Added 1,118,761 +16,039 < 0.01% $7,943,203 35 qtrs
Bain Capital Credit LP Unchanged 1,108,012 0 2.86% $7,866,885 4 qtrs
MILLENNIUM MANAGEMENT LLC Added 996,041 +487,355 < 0.01% $7,071,891 24 qtrs
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Filing details and methodology As reported
Report period
June 30, 2025
Filed
August 14, 2025
Filing type
13F-HR
Position type
COM NEW

Voting authority reported

Sole
579,234
Shared
0
None
0

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.