MKS Instruments Inc. (MKSI) reported fourth-quarter 2025 revenue of $1.03 billion, up 10.6% year-over-year and slightly below the analyst estimate of $1.04 billion.
Cash-flow and balance-sheet items showed mixed signals: operating cash flow was $142 million (down 19.3% YoY), purchases of property, plant and equipment were $51 million, and cash and cash equivalents stood at $675 million (down 5.5% YoY). Total liabilities were about $6.08 billion (down 3.1% YoY).
Shares moved after the release, down 7.39% since market close, reflecting the slight revenue shortfall versus estimates and EPS coming in below consensus despite year-over-year profit and EPS growth.
Note: This financials data is sourced from a third-party provider and has not been independently verified by Quiver.
MKS Instruments Inc. Insider Trading Activity
MKS Instruments Inc. insiders have traded $MKSI stock on the open market 6 times in the past 6 months. Of those trades, 0 have been purchases and 6 have been sales.
Here’s a breakdown of recent trading of $MKSI stock by insiders over the last 6 months:
- DAVID PHILIP HENRY (EVP, Global Str Mktg & GM, MSD) sold 5,000 shares for an estimated $650,000
- JAMES ALAN SCHREINER (EVP & COO) has made 0 purchases and 2 sales selling 1,549 shares for an estimated $202,513.
- ELIZABETH MORA has made 0 purchases and 2 sales selling 600 shares for an estimated $77,598.
- JACQUELINE F MOLONEY sold 300 shares for an estimated $36,642
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
MKS Instruments Inc. Hedge Fund Activity
We have seen 292 institutional investors add shares of MKS Instruments Inc. stock to their portfolio, and 208 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- VICTORY CAPITAL MANAGEMENT INC removed 1,019,817 shares (-28.5%) from their portfolio in Q4 2025, for an estimated $162,966,756
- POINT72 ASSET MANAGEMENT, L.P. added 1,013,553 shares (+inf%) to their portfolio in Q3 2025, for an estimated $125,447,454
- NORDEA INVESTMENT MANAGEMENT AB removed 996,602 shares (-62.4%) from their portfolio in Q4 2025, for an estimated $159,256,999
- JPMORGAN CHASE & CO added 886,847 shares (+133.4%) to their portfolio in Q4 2025, for an estimated $141,718,150
- PRICE T ROWE ASSOCIATES INC /MD/ removed 879,169 shares (-24.2%) from their portfolio in Q4 2025, for an estimated $140,491,206
- RAFFERTY ASSET MANAGEMENT, LLC removed 878,114 shares (-100.0%) from their portfolio in Q3 2025, for an estimated $108,684,169
- UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC removed 625,561 shares (-75.8%) from their portfolio in Q4 2025, for an estimated $99,964,647
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
MKS Instruments Inc. Government Contracts
We have seen $1,024,770 of award payments to $MKSI over the last year.
Here are some of the awards which we have have seen pay out the most over the last year:
- AUTOMATED FEMTOSECOND LASER OPTICAL PARAMETRIC AMPLIFIER SYSTEM: $173,950
- TSUNAMI LASER UPGRADE: $124,906
- MAINTENANCE AGREEMENT FOR MAI TAI BB LASER (S/N 1552EV) AND MAI TAI LASER (S/N 4724EV): $107,111
- PURCHASE OF TUNABLE DIODE LASER SYSTEM: $69,666
- VIBRATION ISOLATED OPTICAL WORK BENCHES: $54,815
To track government contracts to publicy traded companies, check out Quiver Quantitative's government contracts dashboard.
MKS Instruments Inc. Congressional Stock Trading
Members of Congress have traded $MKSI stock 3 times in the past 6 months. Of those trades, 1 have been purchases and 2 have been sales.
Here’s a breakdown of recent trading of $MKSI stock by members of Congress over the last 6 months:
- REPRESENTATIVE LISA C. MCCLAIN has traded it 3 times. They made 1 purchase worth up to $15,000 on 10/30 and 2 sales worth up to $30,000 on 10/31, 10/30.
To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard.
MKS Instruments Inc. Analyst Ratings
Wall Street analysts have issued reports on $MKSI in the last several months. We have seen 7 firms issue buy ratings on the stock, and 0 firms issue sell ratings.
Here are some recent analyst ratings:
- Morgan Stanley issued a "Overweight" rating on 01/22/2026
- TD Cowen issued a "Buy" rating on 01/22/2026
- Needham issued a "Buy" rating on 01/13/2026
- Mizuho issued a "Outperform" rating on 12/17/2025
- Citigroup issued a "Buy" rating on 11/12/2025
- Keybanc issued a "Overweight" rating on 11/07/2025
- Benchmark issued a "Buy" rating on 11/07/2025
To track analyst ratings and price targets for MKS Instruments Inc., check out Quiver Quantitative's $MKSI forecast page.
MKS Instruments Inc. Price Targets
Multiple analysts have issued price targets for $MKSI recently. We have seen 11 analysts offer price targets for $MKSI in the last 6 months, with a median target of $230.0.
Here are some recent targets:
- Joseph Quatrochi from Wells Fargo set a target price of $210.0 on 01/22/2026
- Vivek Arya from B of A Securities set a target price of $255.0 on 01/22/2026
- James Ricchiuti from Needham set a target price of $260.0 on 01/22/2026
- Joseph Moore from Morgan Stanley set a target price of $258.0 on 01/22/2026
- Krish Sankar from TD Cowen set a target price of $230.0 on 01/22/2026
- Matthew Prisco from Cantor Fitzgerald set a target price of $300.0 on 01/20/2026
- Steve Barger from Keybanc set a target price of $250.0 on 01/16/2026
