LandBridge Company LLC Class A Shares Representing Limited Liability Company Interests (LB) ownership: LandBridge Holdings LLC 63% · institutions 38% · index and ETF funds 3% (13F 2026-06-30). Insider activity, 90 days: 2 sales, 0 open-market buys. 3 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| First Manhattan Co. LLC. | 7082845.00 | $561.24M | 9.2% | 2026-06-30 |
| Horizon Kinetics Asset Management LLC | 5821263.00 | $461.28M | 7.6% | 2026-06-30 |
| FMR (Fidelity) | 1775450.00 | $140.69M | 2.3% | 2026-06-30 |
| Vanguard | 1292441.00 | $102.41M | 1.7% | 2026-06-30 |
| T. Rowe Price | 1276671.00 | $101.16M | 1.7% | 2026-06-30 |
| William Blair Investment Management, LLC | 1235265.00 | $97.88M | 1.6% | 2026-06-30 |
| Morgan Stanley | 731836.00 | $57.99M | 1.0% | 2026-06-30 |
| Schwartz Investment Counsel Inc | 644716.00 | $51.09M | 0.8% | 2026-06-30 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-07 | |
| Sell | null | 2026-08-07 | |
| Sell | null | 2026-08-07 | |
| Sell | null | 2026-08-07 | |
| Sell | null | 2026-08-07 | |
| Sell | null | 2026-08-07 | |
| Sell | null | 2026-08-07 | |
| Sell | null | 2026-08-07 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.