Morgan Stanley (LB) Joint Filing Shows 4.1% Ownership, Below 5% Threshold

Rhea-AI Filing Summary

LandBridge Co LLC ownership update: Morgan Stanley and Morgan Stanley Investment Management Inc. filed Amendment No. 4 to Schedule 13G/A reporting beneficial ownership of 4.1% of Class A Shares (CUSIP 514952100). The filing lists shared voting power of 1,037,826 and shared dispositive power of 1,141,052 for Morgan Stanley, and shared voting power of 1,028,168 and shared dispositive power of 1,130,253 for Morgan Stanley Investment Management Inc.

The filers state they have "ceased to be the beneficial owner of more than five percent" of the class as of the date of the filing. Signatures are dated 05/12/2026. The filing is a joint disclosure by MS reporting units and includes Exhibit 99.1 (Joint Filing Agreement) and Exhibit 99.2 (Item 7 information).

Insights

Institutional Ownership Analyst

Morgan Stanley reports a sub-5% position in LandBridge Class A Shares.

The filing records 4.1% beneficial ownership for MS reporting units, with detailed shared voting and dispositive power counts provided for two MS entities. This clarifies public ownership thresholds and regulatory status under Schedule 13G/A.

Timing: signatures dated 05/12/2026. Subsequent filings may disclose changes in position; cash-flow treatment is not stated in the excerpt.

Securities Compliance Counsel

Amendment indicates compliance with Schedule 13G/A reporting thresholds.

The statement that the filers "ceased to be the beneficial owner of more than five percent" signals removal of the >5% designation; the filing attaches Exhibit 99.2 per Item 7 requirements. The joint-filing structure follows Release No. 34-39538 guidance.

Investors should note the filing is a disclosure of holdings; it does not state transactional counterparties or proceeds.

Key Figures

Beneficial ownership: 4.1 % Morgan Stanley shared voting power: 1,037,826 shares Morgan Stanley shared dispositive power: 1,141,052 shares +4 more

7 metrics

Beneficial ownership 4.1 % Class A Shares (CUSIP 514952100)

Morgan Stanley shared voting power 1,037,826 shares shared voting power reported on cover page

Morgan Stanley shared dispositive power 1,141,052 shares shared dispositive power reported on cover page

MSIM shared voting power 1,028,168 shares Morgan Stanley Investment Management Inc. cover page

MSIM shared dispositive power 1,130,253 shares Morgan Stanley Investment Management Inc. cover page

Signature date 05/12/2026 Authorized signatories signed the amendment

CUSIP 514952100 Class A Shares identifier

Key Terms

Schedule 13G/A, Beneficial ownership, Shared Dispositive Power, MS Reporting Units

4 terms

Schedule 13G/A regulatory

"Amendment No. 4 to Schedule 13G/A reporting beneficial ownership"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

Beneficial ownership regulatory

"As of the date hereof, Morgan Stanley has ceased to be the beneficial owner of more than five percent"

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.

Shared Dispositive Power financial

"Shared Dispositive Power 1,141,052.00 reported for Morgan Stanley"

MS Reporting Units other

"this filing reflects the securities beneficially owned by certain operating units (the "MS Reporting Units")"

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Accepted by SEC EDGAR 05/12/2026 - 11:46 AM Learn about SEC filing dates

FAQ

What does Morgan Stanley's Schedule 13G/A amendment for LandBridge (LB) announce?

It reports that Morgan Stanley holds 4.1% of LandBridge Class A Shares. The amendment lists shared voting and dispositive power counts and states the filers have "ceased to be the beneficial owner of more than five percent."

Which Morgan Stanley entities are named in the LB Schedule 13G/A filing?

The filing lists Morgan Stanley and Morgan Stanley Investment Management Inc. as joint filers. Both entities report shared voting and dispositive power figures for Class A Shares (CUSIP 514952100).

How many shares of LB are reported under shared voting and dispositive power?

Morgan Stanley shows shared voting power of 1,037,826 and shared dispositive power of 1,141,052; Morgan Stanley Investment Management Inc. shows 1,028,168 and 1,130,253, respectively.

Does the filing state that Morgan Stanley sold shares to fall below 5%?

No. The amendment states the filers "ceased to be the beneficial owner of more than five percent," but it does not describe transactions, counterparties, or proceeds in the provided excerpt.

When was the Schedule 13G/A amendment for LandBridge signed?

Authorized signatories for Morgan Stanley and Morgan Stanley Investment Management Inc. signed the filing on 05/12/2026. The cover references Amendment No. 4 and includes Exhibit 99.1 and 99.2 attachments.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 4)

LandBridge Co LLC

(Name of Issuer)

Class A Shares

(Title of Class of Securities)

514952100

(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): 514952100

1

Names of Reporting Persons

Morgan Stanley

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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,037,826.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,141,052.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,141,052.00

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)

4.1 %

12

Type of Reporting Person (See Instructions)

HC, CO

Comment for Type of Reporting Person: As of the date hereof, Morgan Stanley has ceased to be the beneficial owner of more than five percent of the class of securities.

SCHEDULE 13G

CUSIP Number(s): 514952100

1

Names of Reporting Persons

Morgan Stanley Investment Management Inc.

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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,028,168.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,130,253.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,130,253.00

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)

4.1 %

12

Type of Reporting Person (See Instructions)

IA, CO

Comment for Type of Reporting Person: As of the date hereof, Morgan Stanley Investment Management Inc. has ceased to be the beneficial owner of more than five percent of the class of securities.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: LandBridge Co LLC
(b)	Address of issuer's principal executive offices: 5555 SAN FELIPE STREET, SUITE 1200, HOUSTON, TX, 77056
Item 2.
(a)	Name of person filing: 1: Morgan Stanley 2: Morgan Stanley Investment Management Inc.
(b)	Address or principal business office or, if none, residence: 1: 1585 Broadway, New York, NY 10036 ;2: 1585 Broadway New York, NY 10036
(c)	Citizenship: 1: Delaware 2: Delaware
(d)	Title of class of securities: Class A Shares
(e)	CUSIP No.: 514952100
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: See the response(s) to Item 9 on the attached cover page(s).
(b)	Percent of class: 4.1 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See the response(s) to Item 5 on the attached cover page(s).
	(ii) Shared power to vote or to direct the vote: See the response(s) to Item 6 on the attached cover page(s).
	(iii) Sole power to dispose or to direct the disposition of: See the response(s) to Item 7 on the attached cover page(s).
	(iv) Shared power to dispose or to direct the disposition of: See the response(s) to Item 8 on the attached cover page(s).
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See Exhibit 99.2
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. * In Accordance with the Securities and Exchange Commission Release No. 34-39538 (January 12, 1998) (the "Release"), this filing reflects the securities beneficially owned, or that may be deemed to be beneficially owned, by certain operating units (collectively, the "MS Reporting Units") of Morgan Stanley and its subsidiaries and affiliates (collectively, "MS"). This filing does not reflect securities, if any, beneficially owned by any operating units of MS whose ownership of securities is disaggregated from that of the MS Reporting Units in accordance with the Release.

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.

Morgan Stanley

Signature:	Claire Gordon
Name/Title:	Authorized Signatory, Morgan Stanley
Date:	05/12/2026

Morgan Stanley Investment Management Inc.

Signature:	Deidre A. Downes
Name/Title:	Authorized Signatory, Morgan Stanley Investment Management Inc.
Date:	05/12/2026

Exhibit Information

EXHIBIT NO. EXHIBITS ------------------ ------------------------------------ 99.1 Joint Filing Agreement 99.2 Item 7 Information * Attention. Intentional misstatements or omissions of fact constitute federal criminal violations (see 18 U.S.C. 1001).