DIMENSIONAL FUND ADVISORS LP - 30 Sep 2025 SCHEDULE 13G/A Report for Ambac Financial Group Inc Common Stock (AMBC)

Filing Manager: DIMENSIONAL FUND ADVISORS LP
Reporting Manager: Dimensional Fund Advisors LP
Security: Ambac Financial Group Inc Common Stock
Symbol: AMBC
Shares outstanding: 46,544,500 shares
Disclosed Ownership: 2,141,047 shares
Ownership: 4.6%
Form type: SCHEDULE 13G/A
Filing time: 09 Oct 2025, 13:48:12 UTC
Date of event: 30 Sep 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Dimensional Fund Advisors LP	4.6%	2,141,047	2,094,221	0	Selwyn Notelovitz	Global Chief Compliance Officer