Landstar System Inc
Ownership
Ownership Structure
Who owns Landstar System Inc (LSTR)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 92.8% of the shares are freely tradable; institutional investors hold 108.6%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Kayne Anderson Rudnick Investment Management LLC | 10.11 | 3,432,243 | -1.9 | 03/31/2026 |
| BlackRock Inc | 9.53 | 3,233,185 | +3.3 | 03/31/2026 |
| AQR Capital Management LLC | 5.41 | 1,835,604 | +86.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.16 | 1,752,711 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.51 | 1,531,900 | +0.0 | 03/31/2026 |
| Boston Partners Global Investors, Inc | 4.24 | 1,438,306 | +1.3 | 06/30/2026 |
| State Street Corp | 3.31 | 1,123,666 | +1.7 | 03/31/2026 |
| Geode Capital Management, LLC | 2.75 | 934,926 | +9.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.50 | 1,188,366 | +0.0 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.19 | 1,081,191 | +0.3 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Clement William C | VP, Chief Commercial Officer | 4,924 | 838,557 $ | Aug 1, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 1, 2026 | Clement William C | VP, Chief Commercial Officer | Other | 4,924 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.