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WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Position in LB — LandBridge Co LLC

CIK 1644956 CHICAGO, IL

Position in LB

as of Mar 31, 2026 · filed May 8, 2026
Position Value
$61,279,527
+$27,462,171 QoQ
Shares Held
887,466
+28.6% QoQ
Ownership
1.15%
of shares outstanding
% of Portfolio
0.20%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority Sole 99% Shared 0% None 1%

Common Shares in LB Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Equipment & Services

Energy · as of Mar 31, 2026

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $130,449,329 across 3 Oil & Gas Equipment & Services names. LB ranks #1 (47.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 LB
LandBridge Co LLC
This page
887,466 $61,279,527

All Filings in LB

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2 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $61,279,527 887,466
2025-12-31 $33,817,356 690,291