LANDBRIDGE COMPANY LLC

$LB
13F holders
195
Net 13F flow · Q
Insider buys · 90d
0
Insider net · 90d
Congress · 90d
0
Convergence

Institutional holders

Top 10 of 195 · Source: 13F-HR
01
Compass Investment Advisers LLC
02
Cibc World Markets Corp.
03
Horizon Kinetics Asset Management LLC
04
Exor N.V.
05
Immersion Capital LLP
06
Hood River Capital Management LLC
07
Investmentaktiengesellschaft Fuer Langfristige Investoren Tgv
08
Northstar Asset Management Inc.
09
Madison Investment Advisors, LLC
10
Leuthold Group, LLC

Each fund name links to that filer's expert page. Share counts and per-fund weights are pending the 13F ingest fix (portfolios_expertholding.units is currently mis-populated — see the same caveat on the fund detail page's holdings table). Quarter-over-quarter delta ships with the metrics pipeline.

See all 195 13F holders · Pro →

Smart Money · top-200 alpha cohort

3 holders · Q1 2026

$LB is held by 3 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 0.00%, with an average of 0.00% of portfolio. Largest holder: Voloridge Investment Management, LLC at 0.00%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.

Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.

Insider activity · last 90 days

No insider activity

No Form 4 filings on record for $LB in the recent window.

Congress trades · last 90 days

3 disclosures · STOCK Act
House · California · Traded Nov 21
BOUGHT
$15K–$50K
Dec 15STOCK
House · California · Traded Nov 20
BOUGHT
$50K–$100K
Dec 15STOCK
House · California · Traded Aug 6
BOUGHT
$50K–$100K
Sep 12STOCK

Convergence · Pattern Engine ships in v1.1

30-day window
In development

Convergence detection for $LB lands with the Pattern Engine.

Once the Pattern Engine ships, this section will surface every active convergence event involving $LB — the institutional managers and Congress members on the same name, the 30-day window, and the combined position size.

Source data: SEC EDGAR · 13F-HR · Form 4 · CapitolTrades · Last refreshed 08:45 UTC.