PROSF·00BJDS7L3·US·equity·Consumer Cyclical - Internet Retail-Activist
Common Stock - Domestic
PROSF (Landstar System Inc) is held by 1 institutional investors as of Q1 2026. Largest holders: Pacer Advisors, Inc. ($1.4M).
See how PROSF's score breaks down across 4 SEC sources
Data sourced from four SEC data sources: 13F, Form 4, 13D/13G, and STOCK Act. Not financial advice. Full disclaimer