Vanguard reports 5.17% stake in Landstar (1.76M shares)

Vanguard Portfolio Management reports beneficial ownership of 1,756,831 shares of Landstar System Inc Common Stock, representing 5.17% of the class as of 03/31/2026.

Rhea-AI Filing Summary

Vanguard Portfolio Management reports beneficial ownership of 1,756,831 shares of Landstar System Inc Common Stock, representing 5.17% of the class as of 03/31/2026. The filing shows Vanguard has sole dispositive power over 1,756,831 shares and sole voting power for 4,120 shares.

Insights

Institutional Ownership Analyst

Vanguard holds a 5.17% stake with full dispositive authority over reported shares.

Vanguard Portfolio Management reports beneficial ownership of 1,756,831 shares with sole dispositive power. The filing attributes voting and dispositive authority across Vanguard Portfolio Management LLC and affiliated investment divisions per the disclosure language.

Voting power is concentrated in a small fraction of the position (4,120 shares); subsequent filings may show whether this reflects separate voting arrangements across fund sleeves.

Key Figures

Beneficial ownership: 1,756,831 shares Percent of class: 5.17% Sole voting power: 4,120 shares +1 more

4 metrics

Beneficial ownership 1,756,831 shares as of 03/31/2026

Percent of class 5.17% percentage of outstanding common stock

Sole voting power 4,120 shares shares with sole vote control

Sole dispositive power 1,756,831 shares shares with sole power to dispose

Key Terms

Schedule 13G, Beneficial ownership, Sole dispositive power

3 terms

Schedule 13G regulatory

"Vanguard Portfolio Management reports beneficial ownership of 1,756,831 shares"

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

Beneficial ownership regulatory

"Amount beneficially owned: 1756831 (b) Percent of class: 5.17 %"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

Sole dispositive power regulatory

"Sole power to dispose or to direct the disposition of: 1756831"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What stake does Vanguard Portfolio Management report in LSTR?

Vanguard reports beneficial ownership of 1,756,831 shares, equal to 5.17% of the class as of 03/31/2026. This reflects holdings managed by Vanguard Portfolio Management LLC and certain affiliates and fund sleeves listed in the filing.

Does Vanguard have voting control over the reported Landstar shares?

Vanguard reports sole voting power over 4,120 shares and sole dispositive power over 1,756,831 shares. The filing attributes voting and dispositive authority to Vanguard Portfolio Management LLC and specified affiliates.

When was the Schedule 13G signed for LSTR and who signed it?

The Schedule 13G was signed on 04/29/2026 by Ashley Grim, Head of Global Fund Administration. The reporting period for ownership is tied to 03/31/2026, as shown on the form.

Are the Vanguard holdings reported on behalf of specific funds or accounts?

The filing states holdings include securities held by Vanguard funds or sleeves and managed accounts over which Vanguard Portfolio Management LLC exercises dispositive power. No single fund is separately identified in the provided excerpt.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/29/2026 - 02:06 PM EDT Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Landstar System Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

515098101

(CUSIP Number)

03/31/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 515098101

1

Names of Reporting Persons

Vanguard Portfolio Management

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

PENNSYLVANIA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 4,120.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,756,831.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,756,831.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.17 %

12

Type of Reporting Person (See Instructions)

IA

Comment for Type of Reporting Person: In accordance with SEC Release No. 34-39538 (January 12, 1998), this Schedule 13G reflects the securities beneficially owned, or deemed to be beneficially owned, by Vanguard Portfolio Management LLC and the following affiliates of Vanguard Portfolio Management LLC or business divisions of such affiliates: Vanguard Fiduciary Trust Company and Vanguard Global Advisers, LLC. This Schedule 13G includes securities held by Vanguard funds, or sleeves thereof, over which Vanguard Portfolio Management LLC exercises dispositive power, in addition to securities held by clients over which the affiliates or business divisions of such affiliates indicated above exercise dispositive and/or voting power. This Schedule 13G does not include securities, if any, beneficially owned by other subsidiaries or affiliates of Vanguard Portfolio Management LLC, or business divisions of such subsidiaries whose ownership of securities is disaggregated from that of the reporting business unit in accordance with such release.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Landstar System Inc
(b)	Address of issuer's principal executive offices: 13410 Sutton Park Drive South, Jacksonville, FL, 32224
Item 2.
(a)	Name of person filing: Vanguard Portfolio Management
(b)	Address or principal business office or, if none, residence: 100 Vanguard Blvd,, Malvern, PA, 19355
(c)	Citizenship: PA
(d)	Title of class of securities: Common Stock
(e)	CUSIP Number(s): 515098101
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 1756831
(b)	Percent of class: 5.17 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 4120
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 1756831
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. Vanguard Portfolio Management, including investment companies registered under the Investment Company Act of 1940 and other managed accounts, have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities reported herein.No one other person's interest in the securities reported herein is more than 5%.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Vanguard Portfolio Management

Signature:	Ashley Grim
Name/Title:	Head of Global Fund Administration
Date:	04/29/2026