LB

Landbridge Co LLC-A$77.03 1.33%
FinancialsUSCUSIP 514952100· EOD Jul 16, 2026◍ Confluence graph
Tracked 13F Holders
140
+27 QoQ
13F Value (tracked)
$1.8B
Insider Net · 180d
-$4.0M
0↑ 1↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)36 adding · 10 trimming
Insider net (180d)-$4.0M

Price & smart-money activity

$77.03 1.33%2Y +232.7%
$18.16$36.25$54.35$72.45$90.542024202520261831511311133232371739253403033542135
Hover for who · click for detailEnd-of-day closing prices52w $44.20 – $85.55
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Ask your agent what changed in LB

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/LB/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for LB.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

Top institutional holders

140 tracked 13F filers
1 source-reported value row is withheld because the reported units do not agree with same-security peers. Share counts remain visible and unchanged.
#FundPosition valueSharesLast moveAs ofHistory
1FIRST MANHATTAN CO. LLC.
$487.3M
7.1M
+2.8%
Added · +195K sh
Q1 2026
2HORIZON KINETICS ASSET MANAGEMENT LLC
$390.6M
5.7M
+0.3%
Added · +14K sh
Q1 2026
3MORGAN STANLEY
$101.9M
1.5M
−70%
Reduced · −3.4M sh
Q1 2026
4FMR LLC
$92.2M
1.3M
+64%
Added · +521K sh
Q1 2026
5VANGUARD PORTFOLIO MANAGEMENT LLC
$85.6M
1.2M
New
+1.2M sh
Q1 2026
6WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
$61.3M
887K
+29%
Added · +197K sh
Q1 2026
7UBS Group AG
$43.7M
633K
+130%
Added · +358K sh
Q1 2026
8Hood River Capital Management LLC
$42.9M
621K
~0%
Added · +4 sh
Q1 2026
9SCHWARTZ INVESTMENT COUNSEL INC
$40.9M
593K
Held
Q1 2026
10MARSHALL WACE, LLP
$38.8M
562K
+294%
Added · +420K sh
Q1 2026
11TWO SIGMA INVESTMENTS, LP
$37.7M
545K
12×
Added · +501K sh
Q1 2026
12DF DENT & CO INC
$34.4M
498K
+13%
Added · +59K sh
Q1 2026
13RAYMOND JAMES FINANCIAL INC
$25.1M
363K
−6.5%
Reduced · −25K sh
Q1 2026
14ASHFORD CAPITAL MANAGEMENT INC
$17.2M
249K
New
+249K sh
Q1 2026
15Summit Street Capital Management, LLC
$15.7M
227K
Held
Q1 2026
16One Charles Private Wealth Services, LLC
$17.8M
224K
−4.9%
Reduced · −12K sh
Q2 2026
17Moors & Cabot, Inc.
$15.5M
224K
+8.7%
Added · +18K sh
Q1 2026
18JANE STREET GROUP, LLC
$14.8M
215K
+110%
Added · +113K sh
Q1 2026
19CITADEL ADVISORS LLC
$14.1M
204K
−9.1%
Reduced · −20K sh
Q1 2026
20WELLS FARGO & COMPANY/MN
$13.0M
188K
+40%
Added · +53K sh
Q1 2026
21HighTower Advisors, LLC
$10.8M
157K
+42%
Added · +46K sh
Q1 2026
22SEI INVESTMENTS CO
$9.3M
135K
+100%
Added · +67K sh
Q1 2026
23Amundi
$7.0M
102K
−46%
Reduced · −86K sh
Q1 2026
24TOCQUEVILLE ASSET MANAGEMENT L.P.
$7.0M
101K
−2.4%
Reduced · −3K sh
Q1 2026
25Ghisallo Capital Management LLC
$6.9M
100K
+99%
Added · +50K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Fund activity: latest quarter

Opened (NEW)
13
funds
Added
23
funds
Reduced
10
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$4.0M
1 insiders
Net
-$4.0M
3 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Jul 1, 2026Bolling Harrison FennerSee RemarksTax withholding (F)9K$662K
Jul 1, 2026Long Jason ThomasSee Remarks, DirectorTax withholding (F)33K$2.4M
Jul 1, 2026McNeely Scott LloydSee RemarksTax withholding (F)12K$881K
Jul 1, 2026Williams Jason FrederickSee RemarksTax withholding (F)10K$706K
Mar 6, 2026WATSON CHARLES L.DirectorSell (S)13K$975K
Mar 4, 2026WATSON CHARLES L.DirectorSell (S)10K$727K
Mar 2, 2026WATSON CHARLES L.DirectorSell (S)31K$2.3M
Jan 6, 2026McNeely Scott LloydSee RemarksBuy (P)549$25K
Jan 5, 2026Long Jason ThomasSee Remarks, DirectorBuy (P)2K$100K
Jan 5, 2026Bolling Harrison FennerSee RemarksBuy (P)850$40K
Nov 18, 2025Capobianco David NDirector, 10% OwnerOther (J)2.5M$0
Nov 18, 2025Capobianco David NDirector, 10% OwnerSell (S)2.5M$175.0M

Institutional ownership over time

140 funds+100 since Q3 2024
070140Q3 2024Q1 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $1.8B · 1 values withheld

Funds that own LB also own

CompanyCo-held byCombined value
MICROSOFT CORPMSFT62 funds$18.7B
NVIDIA CORPNVDA61 funds$23.2B
AMAZON.COM INCAMZN61 funds$14.5B
TAIWAN SEMICONDUCTOR-SP ADRTSM61 funds$5.9B
VISA INC-CLASS A SHARESV61 funds$4.7B
CHEVRON CORPCVX61 funds$3.3B
APPLE INCAAPL60 funds$21.3B
BROADCOM INCAVGO60 funds$9.8B
BERKSHIRE HATHAWAY INC-CL BBRK/B60 funds$5.1B
ELI LILLY & COLLY60 funds$4.4B
COSTCO WHOLESALE CORPCOST60 funds$4.2B
MASTERCARD INC - AMA60 funds$3.9B

Ranked by how many of LB's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

15 shown

Browse more

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for LB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.