LandBridge Company
LB • XNYS
LandBridge Company is a publicly traded company on XNYS, led by Jason Long, with a market cap of $1.7B. As of Q3 2025, 100% of shares are held by 155 institutional investors, with HORIZON KINETICS ASSET MANAGEMENT LLC as the largest holder at 22.23%.
Chief Executive OfficerJason Long
Market Cap$1.7B
Overview
Overview of institutional ownership in LB as of Q3 2025 with a market cap of $1.4B
All Institutions
- Institutions
- 155
- Value Held
- $1.4B
- Shares Held
- 25.3M
- Avg Position
- $8.7M
- Median Position
- $627.3K
Hedge Funds
- Hedge Funds
- 23
- Value Held
- $75.4M
- Shares Held
- 1.4M
- Avg Position
- $3.3M
- Median Position
- $1.5M
Ownership Breakdown
Based on market cap of $1.4B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in LB as of Q3 2025
| Institution | Position Value |
|---|---|
 HORIZON KINETICS ASSET MANAGEMENT LLC Long Only Manager | $300.5M 3.69% of portfolio |
 FIRST MANHATTAN CO Institution | $295.1M 0.78% of portfolio |
 MORGAN STANLEY RIA/Wealth | $264.0M 0.02% of portfolio |
 VANGUARD GROUP INC Institution | $45.6M 0.00% of portfolio |
 FMR LLC Institution | $43.8M 0.00% of portfolio |
 Hood River Capital Management LLC Long Only Manager | $35.8M 0.42% of portfolio |
 SCHWARTZ INVESTMENT COUNSEL INC Long Only Manager | $30.9M 1.04% of portfolio |
 RAYMOND JAMES FINANCIAL INC RIA/Wealth | $24.2M 0.01% of portfolio |
 UBS Group AG Institution | $22.7M 0.00% of portfolio |
 CORTLAND ASSOCIATES INC/MO RIA/Wealth | $22.0M 2.87% of portfolio |
Net Capital Flow
Institutional buying and selling activity for LB in Q3 2025
- Net Flow
- −$36.2M
- Buyers
- 73
- Sellers
- 69
- Total Bought
- +$223.0M
- Total Sold
- −$259.3M
- Avg Position
- $8.5M
Biggest Buyers
| Institution | Net Bought |
|---|---|
FIRST MANHATTAN CO Institution | +$129.1M +2.4M shares |
MORGAN STANLEY RIA/Wealth | +$17.5M +328.8K shares |
CORTLAND ASSOCIATES INC/MO RIA/Wealth | +$13.9M +260.8K shares |
UBS Group AG Institution | +$10.7M +200.2K shares |
HORIZON KINETICS ASSET MANAGEMENT LLC Long Only Manager | +$7.1M +133.2K shares |
 EagleClaw Capital Managment, LLC RIA/Wealth | +$4.7M +88.9K shares |
VANGUARD GROUP INC Institution | +$3.6M +68.3K shares |
 One Charles Private Wealth Services, LLC RIA/Wealth | +$3.6M +66.8K shares |
A Annex Advisory Services, LLC Institution | +$3.3M +62.2K shares |
SCHWARTZ INVESTMENT COUNSEL INC Long Only Manager | +$3.2M +60.1K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
T T. Rowe Price Investment Management, Inc. Insurance Manager | −$80.8M −1.2M shares |
J JANE STREET GROUP, LLC Institution | −$46.3M −867.2K shares |
B BlackRock, Inc. Institution | −$44.0M −824.2K shares |
 DRIEHAUS CAPITAL MANAGEMENT LLC Hedge Fund•Event Driven | −$15.7M −231.6K shares |
A Amundi Institution | −$9.3M −137.8K shares |
 VOLORIDGE INVESTMENT MANAGEMENT, LLC Hedge Fund•Multi-Strategy | −$8.1M −151.3K shares |
 Bridgewater Associates, LP Hedge Fund•Global Macro | −$6.0M −89.4K shares |
 Schonfeld Strategic Advisors LLC Hedge Fund•Multi-Strategy | −$6.0M −113.0K shares |
 MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | −$4.2M −79.0K shares |
 PDT Partners, LLC Hedge Fund•Quant | −$3.0M −44.7K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited LB in Q3 2025
- New Positions
- 25
- New Value
- $15.6M
- Exited Positions
- 30
- Exited Value
- $135.7M
New Positions
| Institution | Position Value |
|---|---|
 AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy | $3.6M 66.8K shares |
 Interval Partners, LLC Hedge Fund•Long/Short | $2.5M 46.8K shares |
V VIKING FUND MANAGEMENT LLC Institution | $2.1M 40.0K shares |
Y Y-Intercept Ltd Institution | $1.8M 34.5K shares |
 Caption Management, LLC Hedge Fund•Long/Short | $1.1M 20.0K shares |
B BLAIR WILLIAM & CO/IL Institution | $565.5K 10.6K shares |
 Counterpoint Mutual Funds LLC ETF Provider | $498.9K 9.4K shares |
W WOLVERINE TRADING, LLC Institution | $465.1K 8.8K shares |
S SG Americas Securities, LLC Institution | $427.0K 8.0K shares |
 CHILTON CAPITAL MANAGEMENT LLC RIA/Wealth | $391.2K 7.3K shares |
Exited Positions
| Institution | Previous Position |
|---|---|
T T. Rowe Price Investment Management, Inc. Insurance Manager | $80.8M 1.2M shares |
DRIEHAUS CAPITAL MANAGEMENT LLC Hedge Fund•Event Driven | $15.7M 231.6K shares |
A Amundi Institution | $9.3M 137.8K shares |
Bridgewater Associates, LP Hedge Fund•Global Macro | $6.0M 89.4K shares |
PDT Partners, LLC Hedge Fund•Quant | $3.0M 44.7K shares |
 L & S Advisors Inc RIA/Wealth | $2.8M 41.5K shares |
 Gunderson Capital Management Inc. RIA/Wealth | $2.7M 40.5K shares |
T TD ASSET MANAGEMENT INC Institution | $2.7M 40.3K shares |
 BOOTHBAY FUND MANAGEMENT, LLC Fund of Funds | $2.1M 30.6K shares |
 Marshall Wace LLP Institution | $1.9M 27.9K shares |
Options Activity
Institutions with the largest Call and Put options positions in LB as of Q3 2025
- Call Positions
- 7
- Call Value
- $9.4M
- Put Positions
- 6
- Put Value
- $7.6M
Call Positions
| Institution | Position Value |
|---|---|
P PEAK6 LLC Institution | $3.2M 600.0 contracts |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $2.5M 475.0 contracts |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $2.1M 388.0 contracts |
J JANE STREET GROUP, LLC Institution | $773.6K 145.0 contracts |
W WOLVERINE TRADING, LLC Institution | $512.7K 97.0 contracts |
 TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy | $314.8K 59.0 contracts |
 Brooklands Fund Management Ltd Hedge Fund•Multi-Strategy | - - contracts |
Put Positions
| Institution | Position Value |
|---|---|
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $4.0M 751.0 contracts |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $2.0M 375.0 contracts |
W WOLVERINE TRADING, LLC Institution | $1.1M 200.0 contracts |
J JANE STREET GROUP, LLC Institution | $506.8K 95.0 contracts |
 Family Management Corp RIA/Wealth | - - contracts |
RAYMOND JAMES FINANCIAL INC RIA/Wealth | - - contracts |
Most Committed Institutions
Institutions with LB as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
 MRM-Horizon Advisors LLC Fund of Funds | 5.51% $12.9M |
HORIZON KINETICS ASSET MANAGEMENT LLC Long Only Manager | 3.69% $300.5M |
One Charles Private Wealth Services, LLC RIA/Wealth | 3.47% $13.1M |
CORTLAND ASSOCIATES INC/MO RIA/Wealth | 2.87% $22.0M |
 Summit Street Capital Management, LLC Hedge Fund•Value | 2.09% $15.2M |
 Atlas Wealth Partners, LLC RIA/Wealth | 1.91% $1.9M |
P PROMETHIUM ADVISORS,LLC RIA/Wealth | 1.88% $3.3M |
EagleClaw Capital Managment, LLC RIA/Wealth | 1.51% $10.8M |
SCHWARTZ INVESTMENT COUNSEL INC Long Only Manager | 1.04% $30.9M |
 Key Client Fiduciary Advisors, LLC RIA/Wealth | 0.92% $2.7M |
Hedge Fund Spotlight
Discover hedge funds investing in LB
CITADEL ADVISORS LLC
Hedge Fund • Multi-Strategy
Portfolio ManagerKenneth Cordele Griffin
- Portfolio Value
- $122.08B
- Positions
- 5,531
- Last Reported
- Q3 2025
Sector Allocation
Position in LandBridge Company
- Market Value
- $5.5M
- Shares Held
- 102.3K
- Portfolio Weight
- 0.00%
- Owned Since
- 2024-Q4
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Software - Infrastructure Technology | $2.1B | 1.68% | |
Semiconductors Technology | $1.8B | 1.50% | |
Internet Content & Information Communication Services | $1.4B | 1.18% |
