AMBC β€” AMBAC FINL GROUP INC

Ownership history in Harbor Advisors LLC  Β·  37 quarters on record

This page tracks every 13F SEC filing in which Harbor Advisors LLC reported a position in AMBAC FINL GROUP INC (AMBC). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price β€” sourced directly from SEC EDGAR 13F filings.

πŸ” Peak position
2.43% (2016 Q4)
πŸ“Š Avg. % of fund
0.97%
πŸ“… First filed
2016 Q4
πŸ“… Last filed
2025 Q4
⏱ Quarters held
37
% of Fund (quarterly)
πŸ“‹ Quarterly Holdings History 10 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 UNCHANGED 196,382 β€” 0% 0.23% $1.5M β€”
2025 Q3 UNCHANGED 196,382 β€” 0% 0.25% $1.6M β€”
2025 Q2 UNCHANGED 196,382 β€” 0% 0.23% $1.4M β€”
2025 Q1 UNCHANGED 196,382 β€” 0% 0.30% $1.7M β€”
2024 Q4 UNCHANGED 196,382 β€” 0% 0.39% $2.5M β€”
2024 Q3 UNCHANGED 196,382 β€” 0% 0.37% $2.2M β€”
2024 Q2 UNCHANGED 196,382 β€” 0% 0.46% $2.5M β€”
2024 Q1 UNCHANGED 196,382 β€” 0% 0.56% $3.1M β€”
2023 Q4 UNCHANGED 196,382 β€” 0% 0.62% $3.2M β€”
2023 Q3 UNCHANGED 196,382 β€” 0% 0.51% $2.4M β€”
27 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

🏒 Other funds also holding AMBC

As of 2025 Q4 β€” sorted by position size

Western Standard LLC 3Y 7Y 8.99% Bain Capital Credit, LP 3Y 7Y 2.25% Wolf Hill Capital Management, LP 3Y 1.62% THIRD AVENUE MANAGEMENT LLC 3Y 7Y 1.11% Cruiser Capital Advisors, LLC 3Y 7Y 0.71% PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. 3Y 7Y 0.65% ESSEX INVESTMENT MANAGEMENT CO LLC 3Y 7Y 0.49% VELA Investment Management, LLC 3Y 0.33% nVerses Capital, LLC 0.21% GENDELL JEFFREY L 3Y 7Y 0.21%
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