FilingsTodayMKS
At a glance
MKS reported 2025 revenue of $3.93B, up 9.6% from $3.59B in 2024. Over 4 years since 2021 ($2.95B), that is growth of about 7.4% a year. Operating margin was 13.4%, down from 23.7% in 2021. 2025 was the highest revenue year in this period. The company posted a loss in 2023.
In the last 12 months 13 insiders reported 0 open-market purchases and 32 sales ($43.4M). 12 of the sales were made under pre-arranged 10b5-1 plans. The largest was a sale of $7.7M by President & CEO John Tseng-Chung Lee on Feb 23, 2026.
MKS filed 10 current reports (Form 8-K) in the last 12 months, most often for results of operations (5), other events (2), officer or director change (2) and shareholder vote results (1). The latest officer or director change was reported on May 12, 2026. It reported a material agreement or a completed acquisition or disposal 1 time.
2 of the 20 investors tracked here held MKS at the last quarter end, worth $30.1M combined. It is the largest weight for Bridgewater Associates (0% of its portfolio), followed by Renaissance Technologies (0%). Reduced: Bridgewater Associates and Renaissance Technologies.
Annual results
| Year | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Net income | $551M | $333M | -$1.84B | $190M | $295M |
| Diluted EPS | $9.90 | $5.56 | $-27.54 | $2.81 | $4.37 |
| Dividend per share | $0.86 | $0.88 | $0.88 | $0.88 | $0.88 |
Fiscal year ends Dec 31 · incorporated in MA
Tracked investors holding (13F)
Weight is the share of each investor's portfolio, as of the quarter end.
Current reports (8-K, last 12 months)
Insider open-market trades (last 12 months)
Source: SEC EDGAR. How figures are combined