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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000902219-04-000553
Filing Date
2004-02-12
Accepted
2004-02-12 15:12:24
Documents
1

Document Format Files

Seq Description Document Type Size
1 DOC ONE filing.txt SC 13G/A 11558
  Complete submission text file 0000902219-04-000553.txt   13704
Mailing Address ONE STATE ST PLZ NEW YORK NY 10004
Business Address ONE STATE ST PLZ NEW YORK NY 10004 2126680340
AMBAC FINANCIAL GROUP INC (Subject) CIK: 0000874501 (see all company filings)

IRS No.: 133621676 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-41911 | Film No.: 04590565
SIC: 6351 Surety Insurance

Mailing Address 75 STATE STREET BOSTON MA 02109
Business Address 75 STATE STREET BOSTON MA 02109 6179515000
WELLINGTON MANAGEMENT CO LLP (Filed by) CIK: 0000902219 (see all company filings)

IRS No.: 042683227 | State of Incorp.: MA | Fiscal Year End: 1231
SIC: 0000