Corporate News Report – MKS Instruments, Inc. (NASDAQ: MKSI)
Trading Summary (24 h period ending 11:52 PM Central Europe, Tuesday 20 Oct 2026)
- Closing price: USD 211.03
- Change: +0.27 %
- Volume traded: USD 290.6 million
- Shares outstanding: 67.6 million
- Market capitalization: USD 14.6 billion
Price‑and‑volume metrics
- Current 200‑day simple moving average: USD 277.01
- 52‑week high: USD 447.62 (30 Jun 2026)
- 52‑week low: USD 130.72 (22 Oct 2025)
Recent performance trend
- Since the end of the previous month, MKS shares have declined by 16.16 %.
Major Corporate Development
MKS Instruments, Inc. announced on 19 Oct 2026 that it has entered into a definitive agreement to sell its Ophir Optics business to TTM Technologies in an all‑cash transaction. Key points of the deal:
- Transaction value: Approximately 18 times the projected adjusted EBITDA of the optics unit for fiscal 2026.
- Closing schedule: Expected in the second quarter of 2027, pending customary regulatory approvals and other closing conditions.
- Business impact: The sale does not affect MKS’s separate Ophir Instruments laser‑characterization business.
- Strategic rationale: The transaction is intended to strengthen MKS’s balance sheet and enable greater focus on its core markets in semiconductor, electronics and packaging, and specialty industrial sectors.
- Regulatory filing: The announcement was filed as a Form 8‑K and accompanied by a press release and supporting exhibits.
Related Stock Movements (24 h)
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|---|---|---|---|---|---|
| MEDP | Medpace | +0.19 % | USD 622.43 | USD 17.4 bn | 35.99 |
| TSCO | Tractor Supply | –1.06 % | USD 32.91 | USD 17.3 bn | 17.31 |
| FTV | Fortive | –0.54 % | USD 58.36 | USD 17.5 bn | 30.32 |
| RGA | Reinsurance of America | +0.02 % | USD 267.39 | USD 17.4 bn | 11.70 |
| ZBRA | Zebra | +1.83 % | USD 384.08 | USD 17.5 bn | 34.13 |
Company Overview
MKS Instruments, Inc. is a U.S.‑based provider of instruments and components used to control and analyze gases in semiconductor and related industrial manufacturing processes. Its product portfolio serves the manufacturing of flat‑panel displays, magnetic and optical storage devices, solar cells, fiber‑optic cables, and diamond thin films. The company is listed on the Nasdaq stock exchange and went public on March 26 1999. Further information is available on the company’s website at www.mks.com .
