Stock research
MKSI — MKS INC.
MKSI is reported by 10 tracked managers with $1.6B in visible reported value. This page connects ownership breadth, filing activity, and price context.
Stock research evidence
The latest visible filing snapshot is 2026 Q2. Values come from reported manager holdings; prices and 52-week context come from the latest available market quote.
- Tracked holders
- 10
- Reported value
- $1.6B
- Ownership breadth
- Not available
- Current price
- $239
Top reported managers
These managers have the largest visible reported positions in MKSI. Portfolio weight is measured within each manager's latest visible filing.
- Alex Sacerdote4.5% of reported portfolio · $565.5M · Reduce · Filed Aug 14, 2026
- Ken Griffin0.2% of reported portfolio · $310.3M · Reduce · Filed Aug 14, 2026
- Israel Englander0.2% of reported portfolio · $286.9M · Filed Aug 14, 2026
- Cliff Asness0.1% of reported portfolio · $280.2M · Filed Aug 14, 2026
- John Overdeck / David Siegel0% of reported portfolio · $63.8M · Reduce · Filed Aug 14, 2026
Continue the research
Review the manager roster, compare this company with the most widely held stocks, or browse transparent screens built from the same filing-backed data.