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

Funds That Own M-tron Industries, Inc. (MPTI)

1 of the 26 major funds we track reported MPTI in their latest 13F, worth $9.52M combined at quarter end.

FundManagerQuarterSharesValue% of portfolioChangeFiled
Renaissance TechnologiesJim Simons (founder)Q2 202696,005$9.52M0.01%▼ −0.8%Aug 13, 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 →