0001049502 2026-11-02 2026-11-02 false 0001049502 --12-31 8-K 2026-11-02 MKS INC. MA 000-23621 04-2277512 2 Tech Drive Andover MA 01810 978 645-5500 Not Applicable false false false false Common Stock, no par value MKSI NASDAQ false