Vanguard Group Inc's 13G/A Filing for Quanta Services Inc

The Vanguard Group Inc filed a Schedule 13G/A amendment with the SEC, reporting its ownership of 18,143,230 shares of Quanta Services Inc's common stock, representing 12.17% of the total shares. The filing indicates that Vanguard has sole dispositive power over 16,739,075 shares and shared dispositive power over 1,404,155 shares. The shares are held on behalf of Vanguard's clients, including investment companies and managed accounts, with no single client owning more than 5% of the shares. The filing 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 Quanta Services Inc.