Dimensional Fund Advisors LP's Schedule 13G/A Filing for Ambac Financial Group Inc

Dimensional Fund Advisors LP filed an amended Schedule 13G/A with the SEC, reporting its ownership of shares in Ambac Financial Group Inc. As of the filing date, Dimensional Fund Advisors LP beneficially owns 2,141,047 shares, representing 4.6% of the common stock of Ambac Financial Group Inc. The filing indicates that Dimensional Fund Advisors LP has sole voting power over 2,094,221 shares and sole dispositive power over 2,141,047 shares. The shares are held by various funds managed by Dimensional Fund Advisors LP, which disclaims beneficial ownership of the shares. The filing also certifies that the shares were acquired and are held in the ordinary course of business and not for the purpose of influencing the control of the issuer.