# Landstar System Inc. (LSTR) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 515098101
Page URL: https://superinvestorclub.com/stock/LSTR
Last updated: 2026-07-08T12:26:20.941Z

## Summary

As of the most recent 13F filing period, Landstar System Inc. (LSTR) is held by 0 tracked superinvestors with an aggregate position value of $0 representing 0 shares.

## Top institutional holders (0)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|

## Ownership history (quarter-over-quarter)

- 2024-06-30: 1 holders, $216,580 aggregate, 01174 shares
- 2025-09-30: 2 holders, $2.6M aggregate, 0150966250 shares
- 2025-12-31: 2 holders, $4.1M aggregate, 0231305350 shares

## Recent congressional trades (2)

- 2025-07-16: Lisa McClain (Republican-MI) sale $1,001 - $15,000
- 2025-06-17: Lisa McClain (Republican-MI) purchase $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "Landstar System Inc. (LSTR) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/LSTR), aggregating SEC 13F, Form 4, and congressional disclosures."