LANDBRIDGE CO LLC-A (LB) Institutional Shareholders
LANDBRIDGE CO LLC-A (LB) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $2.25B in LB holdings during the latest filing period.
First Manhattan Co. Llc. is currently the largest disclosed institutional shareholder of LB tracked by InsiderSet, reporting ownership valued at approximately $561.24M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $608.63M, representing an estimated gain of +8.44% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 74% of the total disclosed LB value among the investors covered in this analysis. Major shareholders include First Manhattan Co. Llc., Horizon Kinetics Asset Management Llc, Fmr Llc, and several other long-term asset managers with concentrated positions in LANDBRIDGE CO LLC-A (LB).
This page ranks the largest institutional LB shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
190
Total Reported Value
$2.25B
Largest Holder
First Manhattan Co. Llc.
Largest Position
$561.24M
Insider Transactions (90d)
14
Latest Filing Quarter
Q2 2026
New Institutional Positions
76
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| First Manhattan Co. Llc. | 1.43% | 7,082,845 | $561,244,638 | $608,628,871 | +$47,384,233 | +8.44% | |
| Horizon Kinetics Asset Management Llc | 5.23% | 5,821,263 | $461,276,842 | $500,221,130 | +$38,944,288 | +8.44% | |
| Fmr Llc | 0.01% | 1,775,450 | $140,686,658 | $152,564,419 | +$11,877,761 | +8.44% | |
| T. Rowe Price Investment Management, Inc. | 0.07% | 1,276,671 | $101,164,000 | $109,704,339 | +$8,540,339 | +8.44% | |
| Vanguard Portfolio Management Llc | 0.00% | 1,267,116 | $100,406,272 | $108,883,278 | +$8,477,006 | +8.44% | |
| William Blair Investment Management, Llc | 0.29% | 1,235,265 | $97,882,399 | $106,146,321 | +$8,263,922 | +8.44% | |
| Morgan Stanley | 0.00% | 731,836 | $57,990,753 | $62,886,667 | +$4,895,914 | +8.44% | |
| Schwartz Investment Counsel Inc | 1.70% | 644,716 | $51,087,296 | $55,400,446 | +$4,313,150 | +8.44% | |
| Hood River Capital Management Llc | 0.34% | 592,619 | $46,959,130 | $50,923,751 | +$3,964,621 | +8.44% | |
| Ubs Group Ag | 0.01% | 573,587 | $45,451,033 | $49,288,331 | +$3,837,298 | +8.44% | |
| Df Dent & Co Inc | 0.85% | 567,536 | $44,971,554 | $48,768,368 | +$3,796,814 | +8.44% | |
| Two Sigma Investments, Lp | 0.03% | 518,850 | $41,113,674 | $44,584,781 | +$3,471,107 | +8.44% | |
| Cortland Associates Inc/Mo | 4.40% | 384,317 | $30,453,000 | $33,024,360 | +$2,571,360 | +8.44% | |
| Raymond James Financial Inc | 0.01% | 376,807 | $29,858,226 | $32,379,026 | +$2,520,800 | +8.44% | |
| Captrust Financial Advisors | 0.03% | 281,951 | $22,341,831 | $24,228,049 | +$1,886,218 | +8.44% | |
| Mad River Investors | 7.94% | 267,953 | $21,232,603 | $23,025,201 | +$1,792,598 | +8.44% | |
| Moors & Cabot, Inc. | 0.78% | 251,704 | $19,945,009 | $21,628,925 | +$1,683,916 | +8.44% | |
| Ashford Capital Management Inc | 2.00% | 234,860 | $18,610,306 | $20,181,520 | +$1,571,214 | +8.44% | |
| One Charles Private Wealth Services, Llc | 4.09% | 224,152 | $17,761,775 | $19,261,381 | +$1,499,606 | +8.44% | |
| Wells Fargo & Company/Mn | 0.00% | 222,604 | $17,639,133 | $19,128,362 | +$1,489,229 | +8.44% | |
| Millennium Management Llc | 0.01% | 211,305 | $16,743,808 | $18,157,439 | +$1,413,631 | +8.44% | |
| Eagleclaw Capital Managment, Llc | 2.24% | 210,805 | $16,704,188 | $18,114,474 | +$1,410,286 | +8.44% | |
| Summit Street Capital Management, Llc | 2.26% | 203,365 | $16,114,642 | $17,475,154 | +$1,360,512 | +8.44% | |
| Tocqueville Asset Management L.P. | 0.13% | 128,490 | $10,181,548 | $11,041,146 | +$859,598 | +8.44% | |
| Marshall Wace, Llp | 0.01% | 118,494 | $9,389,465 | $10,182,189 | +$792,724 | +8.44% | |
| Blackrock, Inc. | 0.00% | 108,741 | $8,616,636 | $9,344,114 | +$727,478 | +8.44% | |
| Jane Street Group, Llc | 0.01% | 106,520 | $8,440,645 | $9,153,264 | +$712,619 | +8.44% | |
| Sprott Inc. | 0.26% | 100,059 | $7,928,703 | $8,598,070 | +$669,367 | +8.44% | |
| Ghisallo Capital Management Llc | 0.16% | 100,000 | $7,924,000 | $8,593,000 | +$669,000 | +8.44% | |
| Seven Grand Managers, Llc | 0.32% | 100,000 | $7,924,000 | $8,593,000 | +$669,000 | +8.44% | |
| Crawford Investment Counsel Inc | 0.13% | 95,243 | $7,547,055 | $8,184,231 | +$637,176 | +8.44% | |
| Advisory Services Network, Llc | 0.08% | 91,909 | $7,282,893 | $7,897,740 | +$614,847 | +8.44% | |
| Daiwa Securities Group Inc. | 0.02% | 85,738 | $6,793,879 | $7,367,466 | +$573,587 | +8.44% | |
| Tudor Investment Corp Et Al | 0.03% | 83,955 | $6,652,594 | $7,214,253 | +$561,659 | +8.44% | |
| One8Zero8, Llc | 1.31% | 83,668 | $6,629,861 | $7,189,591 | +$559,730 | +8.44% | |
| Msrh, Llc | 5.73% | 93,756 | $6,473,852 | $8,056,453 | +$1,582,601 | +24.45% | |
| Goldman Sachs Group Inc | 0.00% | 78,767 | $6,241,497 | $6,768,448 | +$526,951 | +8.44% | |
| Aqr Capital Management Llc | 0.00% | 75,633 | $5,993,158 | $6,499,144 | +$505,986 | +8.44% | |
| Promethium Advisors,Llc | 2.62% | 68,930 | $5,462,023 | $5,923,155 | +$461,132 | +8.44% | |
| Sei Investments Co | 0.00% | 67,360 | $5,337,606 | $5,788,245 | +$450,639 | +8.44% | |
| Barclays Plc | 0.00% | 58,629 | $4,645,762 | $5,037,990 | +$392,228 | +8.44% | |
| Geode Capital Management, Llc | 0.00% | 58,491 | $4,634,826 | $5,026,132 | +$391,306 | +8.44% | |
| Commonwealth Equity Services, Llc | 0.01% | 58,077 | $4,601,998 | $4,990,557 | +$388,559 | +8.44% | |
| Viking Fund Management Llc | 0.40% | 56,000 | $4,437,440 | $4,812,080 | +$374,640 | +8.44% | |
| Swiss National Bank | 0.00% | 55,900 | $4,429,516 | $4,803,487 | +$373,971 | +8.44% | |
| Legal & General Group Plc | 0.00% | 52,313 | $4,085,763 | $4,495,256 | +$409,493 | +10.02% | |
| Bank Of America Corp | 0.00% | 51,416 | $4,074,204 | $4,418,177 | +$343,973 | +8.44% | |
| State Street Corp | 0.00% | 51,066 | $4,046,470 | $4,388,101 | +$341,631 | +8.44% | |
| Jpmorgan Chase & Co | 0.00% | 56,931 | $3,976,630 | $4,892,081 | +$915,451 | +23.02% | |
| Xtx Topco Ltd | 0.05% | 49,995 | $3,961,604 | $4,296,070 | +$334,466 | +8.44% |
Frequently asked questions about LB
Who owns the most LB stock?
The largest holders of LB are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for LANDBRIDGE CO LLC-A (LB).
Is LB widely held by superinvestors?
Many widely followed stocks like LB appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly LB is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.