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Livermore
Livermore
ZHEN

LandBridge Co LLC

LB
Exchange
NYSE
Industry
Oil Royalty Traders
SEC CIK
0001995807

In the last 90 days, LandBridge Co LLC insiders filed 0 open-market purchases and 1 sale; 192 institutions reported holding it in 13F filings for Q2 2026, worth $2.25B in total; no superinvestor holds it.

Holders of 5% or more of LB

Holders whose latest Schedule 13D or 13G filing reports 5% or more of LandBridge Co LLC, largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of LB
HolderLatest formStakeChangeFirst filedLatest filingFiling
LandBridge Holdings LLC13D/A63.60%48.6M shares−3.50 ppfrom 67.10%Dec 23, 20243 filingsNov 21, 2025SEC
First Manhattan Co13G/A26.30%6.67M shares+6.60 ppfrom 19.70%Sep 8, 20252 filingsNov 7, 2025SEC
Horizon Kinetics Asset Management LLC13G/A22.20%5.63M shares−1.40 ppfrom 23.60%Jul 11, 20246 filingsOct 29, 2025SEC
Morgan Stanley13G/A8.30%2.11M shares−8.90 ppfrom 17.20%Mar 6, 20254 filingsFeb 6, 2026SEC
T. Rowe Price Investment Management, Inc.13G5.10%1.19M sharesNewMay 14, 20251 filingMay 14, 2025SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

19 Schedule 13D and 13G filings on LandBridge Co LLC, newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on LB
Filed (ET)FilerFormStakeChangeEvent dateFiling
Feb 6, 20264:19 PM ETMorgan Stanleyand 1 other13G/A8.30%2.11M shares−8.90 ppfrom 17.20%Jan 31, 2026SEC
Nov 21, 20256:01 AM ETLandBridge Holdings LLCand 7 others13D/A63.60%48.6M shares−3.50 ppfrom 67.10%Nov 18, 2025SEC
Nov 7, 20251:31 PM ETFirst Manhattan Coand 2 others13G/A26.30%6.67M shares+6.60 ppfrom 19.70%Oct 31, 2025SEC
Oct 29, 20253:07 PM ETHorizon Kinetics Asset Management LLC13G/A22.20%5.63M shares−1.40 ppfrom 23.60%Sep 9, 2025SEC
Sep 8, 20254:08 PM ETFirst Manhattan Coand 2 others13G/A19.70%4.99M shares–Aug 29, 2025SEC
Aug 5, 202511:52 AM ETMorgan Stanleyand 1 other13G/A17.20%4.01M shares+3.00 ppfrom 14.20%Jun 30, 2025SEC
Jul 23, 20253:39 PM ETHorizon Kinetics Asset Management LLC13G23.60%5.50M shares+0.40 ppfrom 23.20%Jun 30, 2025SEC
May 28, 20258:24 PM ETLandBridge Holdings LLCand 7 others13D/A67.10%51.2M shares−2.50 ppfrom 69.60%May 23, 2025SEC
May 14, 202510:47 AM ETT. Rowe Price Investment Management, Inc.13G5.10%1.19M sharesNewMar 31, 2025SEC
May 12, 202510:36 AM ETFMR LLCand 1 other13G/A4.10%959.0K shares−4.40 ppfrom 8.50%Below 5%Mar 31, 2025SEC
May 6, 20254:03 PM ETMorgan Stanleyand 1 other13G/A14.20%3.31M shares+4.20 ppfrom 10.00%Mar 31, 2025SEC
Mar 6, 20254:39 PM ETMorgan Stanleyand 1 other13G10.00%2.33M sharesNewFeb 28, 2025SEC
Feb 14, 20251:26 PM ETHill City Capital, LPand 4 others13G0.78%595.0K sharesNewBelow 5%Dec 31, 2024SEC
Jan 8, 20259:49 AM ETFMR LLCand 1 other13G/A8.50%1.97M shares–Dec 31, 2024SEC
Dec 23, 20249:46 PM ETLandBridge Holdings LLCand 7 others13D/A69.60%53.3M shares–Dec 19, 2024SEC
Dec 23, 20246:51 PM ETHorizon Kinetics Asset Management LLC13D/A23.20%5.40M shares−6.30 ppfrom 29.50%Dec 19, 2024SEC
Sep 23, 20244:17 PM ETHorizon Kinetics Asset Management LLC13D/A29.50%5.14M shares+1.10 ppfrom 28.40%Sep 20, 2024SEC
Jul 12, 20246:04 PM ETHorizon Kinetics Asset Management LLC13D/A28.40%4.94M shares+1.40 ppfrom 27.00%Jul 10, 2024SEC
Jul 11, 20246:09 PM ETHorizon Kinetics Asset Management LLC13D27.00%4.71M sharesNewJun 30, 2024SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell LandBridge Co LLC shares.

No Form 144 notices for LandBridge Co LLC are on file.