Latest Period
Q1 2026
Security Snapshot
LandBridge Co LLC - Class A Shares (LB) Institutional Ownership
CUSIP: 514952100
13F Institutional Holders and Ownership History from Q2 2024 to Q1 2026
Institutions Reporting
186
Shares (Excl. Options)
27,299,413
Price
$69.05
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- Security type / class
- Equity / Class A Shares
- Symbol
- LB on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 27,299,413
- Total 13F value
- $1,885,012,879
- Portfolio coverage rank
- 0.01%
- Share change
- -983,004
- Value change
- -$61,603,494
- Number of holders
- 186
- Shares outstanding
- 27,830,537
- SEC-reported price per share
- $67.36
- Insider filing price
- $67.36
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- LB - LandBridge Co LLC - Class A Shares is tracked under CUSIP 514952100.
- 186 institutions reported positions in Q1 2026.
- 7 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 150 to 186 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $1,368,512,759 to $1,885,012,879.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 186 institutions filings for Q1 2026.
Security key
514952100
Latest holder period
Q1 2026
13F holders
186
13D/G owners
7
CIK / CUSIP context first
Open Q1 2026 holders
LB full holder history
LandBridge Co LLC SEC filings
LandBridge Co LLC company facts
LandBridge Co LLC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 514952100:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
7
Security
LB
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| LandBridge Holdings LLC | 64% | -5.2% | $2,915,610,300 | -$158,879,460 | 48,593,505 | -5.2% | LandBridge Holdings LLC | 18 Nov 2025 |
| FIRST MANHATTAN CO. LLC. | 26% | +33% | $355,780,693 | +$89,384,671 | 6,668,804 | +34% | FIRST MANHATTAN CO. LLC. | 31 Oct 2025 |
| HORIZON KINETICS ASSET MANAGEMENT LLC | 22% | -5.8% | $300,473,229 | +$7,105,580 | 5,632,113 | +2.4% | HORIZON KINETICS ASSET MANAGEMENT LLC | 09 Sep 2025 |
| T. Rowe Price Investment Management, Inc. | 5.1% | $88,624,831 | 1,193,279 | T. Rowe Price Investment Management, Inc. | 31 Mar 2025 | |||
| MORGAN STANLEY | 4.1% | -52% | $76,975,368 | -$65,417,986 | 1,141,052 | -46% | Morgan Stanley | 31 Mar 2026 |
| FMR LLC | 4.1% | -49% | $71,227,604 | -$75,118,089 | 959,036 | -51% | FMR LLC | 31 Mar 2025 |
| Hill City Capital, LP | 0.78% | $44,190,650 | 595,000 | Hill City Capital Master Fund LP | 31 Dec 2024 |
As of 31 Mar 2026, 186 institutional investors reported holding 27,299,413 shares of LandBridge Co LLC - Class A Shares (LB). This represents 98% of the company’s total 27,830,537 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
87%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| FIRST MANHATTAN CO. LLC. | 25% | 7,057,228 | +2.8% | 1.4% | $487,301,593 |
| HORIZON KINETICS ASSET MANAGEMENT LLC | 20% | 5,657,134 | +0.25% | 4.2% | $390,625,134 |
| MORGAN STANLEY | 5.3% | 1,475,827 | -70% | 0.01% | $101,905,875 |
| FMR LLC | 4.8% | 1,334,828 | +64% | 0% | $92,169,874 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4.5% | 1,239,898 | 0% | 0% | $85,614,957 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 3.2% | 887,466 | +29% | 0.2% | $61,279,527 |
| UBS Group AG | 2.3% | 633,169 | +130% | 0.01% | $43,720,320 |
| Hood River Capital Management LLC | 2.2% | 621,075 | +0% | 0.43% | $42,885,229 |
| SCHWARTZ INVESTMENT COUNSEL INC | 2.1% | 592,891 | 0% | 1.5% | $40,939,124 |
| MARSHALL WACE, LLP | 2% | 562,062 | +294% | 0.04% | $38,810,381 |
| TWO SIGMA INVESTMENTS, LP | 2% | 545,477 | +1138% | 0.03% | $37,665,187 |
| DF DENT & CO INC | 1.8% | 497,807 | +13% | 0.66% | $34,373,608 |
| CORTLAND ASSOCIATES INC/MO | 1.4% | 398,708 | -2.3% | 4% | $27,531,000 |
| RAYMOND JAMES FINANCIAL INC | 1.3% | 363,112 | -6.5% | 0.01% | $25,072,838 |
| CAPTRUST FINANCIAL ADVISORS | 0.99% | 274,559 | +2.5% | 0.03% | $18,953,910 |
| MAD RIVER INVESTORS | 0.96% | 266,385 | +1.3% | 6.6% | $18,393,886 |
| ASHFORD CAPITAL MANAGEMENT INC | 0.89% | 248,540 | 2.1% | $17,161,687 | |
| One Charles Private Wealth Services, LLC | 0.85% | 235,765 | -0.4% | 4.1% | $16,279,598 |
| Summit Street Capital Management, LLC | 0.82% | 227,258 | 0% | 2.2% | $15,692,165 |
| Moors & Cabot, Inc. | 0.8% | 223,994 | +8.7% | 0.66% | $15,466,790 |
| JANE STREET GROUP, LLC | 0.77% | 214,698 | +110% | 0.02% | $14,824,898 |
| EagleClaw Capital Managment, LLC | 0.75% | 208,955 | +4% | 2% | $14,428,343 |
| CITADEL ADVISORS LLC | 0.73% | 204,233 | -9.1% | 0.01% | $14,102,288 |
| WELLS FARGO & COMPANY/MN | 0.68% | 188,255 | +40% | 0% | $12,999,035 |
| HighTower Advisors, LLC | 0.56% | 156,909 | +42% | 0.01% | $10,834,650 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
8
Latest
Q1 2026
Rows shown
1-8 of 8
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 27,299,413 | $1,885,012,879 | -$61,603,494 | $69.05 | 186 |
| 2025 Q4 | 27,881,157 | $1,368,512,759 | +$123,538,153 | $48.99 | 150 |
| 2025 Q3 | 25,307,655 | $1,350,160,232 | -$14,499,658 | $53.35 | 155 |
| 2025 Q2 | 25,070,483 | $1,693,272,210 | +$106,154,943 | $67.58 | 155 |
| 2025 Q1 | 23,405,335 | $1,682,909,709 | +$318,186,970 | $71.94 | 143 |
| 2024 Q4 | 19,362,540 | $1,249,764,729 | +$280,793,546 | $64.60 | 122 |
| 2024 Q3 | 14,996,896 | $586,681,636 | +$65,678,703 | $39.12 | 57 |
| 2024 Q2 | 14,574,796 | $337,401,074 | +$337,401,074 | $23.15 | 37 |