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Ambac Finl shares owned by Calamos Advisors

Quarter-by-quarter ownership of Ambac Finl (OSG) shares owned by Calamos Advisors from 13F filings

Historical chart of Calamos Advisors investment in Ambac Finl

Tip: Access up to 7 years of quarterly data

All positions including Ambac Finl held by Calamos Advisors consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Ambac Finl by Calamos Advisors

Quarter filed Position value Share count Share price at filing
2025-12-31 $382k 49k 7.78

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Top funds holding Ambac Finl

BlackRock
Vanguard Group
Western Standard
Jane Street
Caption Management
Wolf Hill Capital Management
Dimensional Fund Advisors
Jeffrey L. Gendell
FMR
Citadel Advisors
Sankaty Advisors
Geode Capital Management
State Street Corporation
Prescott Group Capital Management
Nuveen

View all funds holding Ambac Finl