Who owns LANDSTAR SYSTEM INC, from the filings themselves: stakes over 5% (Schedule 13D/G), the institutional managers reporting the stock each quarter (13F), and the funds holding it (N-PORT).
Investors crossing 5% ownership must disclose it. Schedule 13G filers certify the stake is passive; Schedule 13D is the general form for everyone else — founders, strategic holders, and activists alike. Each entry is the holder's most recent disclosure. Coverage begins with SEC's structured filings from December 18, 2024; a holder appears once they file or amend after that date.
Kayne Anderson Rudnick Investment Management, LLC: 9.1% · 3,087,534 shares
AQR Capital Management, LLC: 5.4% · 1,835,604 shares — AQR Capital Management Holdings, LLC: 5.4% · 1,835,604 shares
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Sign up freeEvery institutional manager whose latest 13F reports this stock, largest position first. "% of their portfolio" is the weight inside that manager's own book — how much conviction the position represents; "% of company" is how much of LANDSTAR SYSTEM INC they hold. Together these 629 managers report 115.89% of shares outstanding.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. | $699M | 3,378,380 | 0.01% | 9.95% | June 30, 2026 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | $638M | 3,087,226 | 1.98% | 9.10% | June 30, 2026 |
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Sign up freeFunds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets. Together these 456 funds hold 47.74% of shares outstanding — counted inside the manager totals above, not on top of them, since a fund's shares also appear in its manager's 13F.
| Fund | Position value | % of net assets | % of company | As of |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | $240M | 0.19% | 3.42% | June 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND | $223M | 0.01% | 3.18% | June 30, 2026 |
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