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MAD RIVER INVESTORS

Position in LB — LandBridge Co LLC

CIK 1384484 BOSTON, MA

Position in LB

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$21,232,595
+$2,838,711 QoQ
Shares Held
267,953
+0.6% QoQ
Ownership
0.348%
of shares outstanding
% of Portfolio
8.01%
of 13F equity value
Holder Rank
#16
of 192 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in LB Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas E&P

Energy · as of Jun 30, 2026

MAD RIVER INVESTORS holds $146,104,416 across 2 Oil & Gas E&P names. LB ranks #2 (14.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 LB
LandBridge Co LLC
This page
267,953 $21,232,595

All Filings in LB

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8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $21,232,595 267,953
2026-03-31 $18,393,884 266,385
2025-12-31 $12,881,136 262,934
2025-09-30 $12,860,337 241,056
2025-06-30 $15,864,675 234,754
2025-03-31 $16,852,160 234,253
2024-12-31 $15,080,999 233,452
2024-09-30 $9,097,356 232,550