Vanguard Group Inc's 13G/A Filing for MKS Inc

The Vanguard Group Inc filed a Schedule 13G/A amendment for MKS Inc, reporting ownership of 7,752,097 shares, representing 11.54% of the company's common stock. The filing indicates that Vanguard has sole dispositive power over 7,243,630 shares and shared dispositive power over 508,467 shares. The shares are held by 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, not for the purpose of influencing control of MKS Inc.