Follow-The-Filings

Security · featured owners

OSG Ambac Financial Group

Financials COM Equity as of 2026 Q2 among managers we track

  • 1 Owner
  • Max 1.3%
  • $8M
  • 1 add

OSG (Ambac Financial Group) is held in 1 featured 13F book as of 2026 Q2. Third Avenue Management is the largest tracked holder by portfolio weight (1.3%). Figures are as-filed 13F, not free float.

Who owns this now

Largest portfolio weights among featured holders · max 1.3% (Third Avenue Management) · not free-float ownership

  1. Third Avenue Management Add 1.3%

Holders

sorted by value · long equity only · current book 2026 Q2 · open a manager for their book

History
Third Avenue Management 2026 Q2 1.3%, was 1.0% Add 0.0% 1,341,879 $8M History

1 current · options excluded

Weight bar: held both quarters added sold at this quarter’s reported price

SEC filings

Recent issuer filings from EDGAR · 11 shown · open Filing / Doc on SEC.gov

Filed Form Detail Links
8-K 2.02,9.01 Filing Doc
10-Q Filing Doc
8-K 5.07 Filing Doc
DEFA14A Filing Doc
8-K 2.02,9.01 Filing Doc
10-Q Filing Doc
DEFA14A Filing Doc
8-K 1.01,2.03,9.01 Filing Doc
10-K Filing Doc
8-K 2.02,9.01 Filing Doc
8-K 9.01 Filing Doc

Insider forms

Form 3 / 4 / 5 from EDGAR · 7 rows shown

Filed Form Detail Links
4 Period Jul 9, 2026 · 3 forms Filing Doc
4 Period Jul 1, 2026 · 6 forms Filing Doc
4 Period Apr 1, 2026 · 6 forms Filing Doc
4 Period Mar 23, 2026 · 4 forms Filing Doc
4 Period Mar 10, 2026 Filing Doc
4 Period Mar 3, 2026 · 3 forms Filing Doc
4/A Period Sep 29, 2025 · 2 forms Filing Doc

Updated 16 days ago Source: SEC EDGAR submissions All on EDGAR

Financials

US-GAAP annual · as tagged in Form 10-K · fiscal years · values link to the SEC filing

Income statement

Metric FY2024 FY2025
Revenue $92.02M $143.38M
Net income -$556.09M -$259.09M
Net margin * -604.3% -180.7%

Balance sheet

Metric FY2024 FY2025
Total assets $8.06B $2.22B
Total equity $856.91M $715.79M

Cash flow

Metric FY2024 FY2025
Cash from financing — $21.36M

Source: SEC companyfacts (US-GAAP 10-K) · * = computed (not a single XBRL tag) · fiscal year as labeled by the issuer · not adjusted or audited by Follow-The-Filings

Ownership over time

filing count by report period · click a bar for that quarter’s holders