Wednesday, October 28, 2026
Data from SEC filings, checked daily
Public filings, plainly told
Fund holders13F

Funds That Own MKS INC (MKSI)

2 of the 26 major funds we track reported MKSI in their latest 13F, worth $30.1M combined at quarter end.

FundManagerQuarterSharesValue% of portfolioChangeFiled
Renaissance TechnologiesJim Simons (founder)Q2 202640,403$18.0M0.02%▼ −61.0%Aug 13, 2026 ↗
Bridgewater AssociatesRay Dalio (founder)Q2 202627,198$12.1M0.05%▼ −28.7%Aug 14, 2026 ↗
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings

A 13F lists long positions in U.S.-listed stocks and some options at quarter end. It does not show short positions, cash, most foreign holdings, or trades made since. What a 13F can't tell you →