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MAD RIVER INVESTORS

Q1 2026 13F Holdings

  • Location
    boston, MA
  • Num holdings

    32

  • Value ($000)

    $277,870

  • Date Filed
    04/23/2026
  • Form type
    13F-HR
  • CIK
    0001384484
  • All SEC filings
  • Note
    Holdings aggregated across “other managers” listed in original SEC filing, see here for detailed holdings broken out by other managers
Compare Q1 2026 to
Select Quarter
Issuer Name
Class
CUSIP
VALUE
%
Shares
Principal
Option Type
---

TEXAS PACIFIC LAND CORPORATI

COM
88262P102
$135.31M
49 %

285,120

P
PBT

PERMIAN BASIN RTY TR

UNIT BEN INT
714236106
$21.59M
8 %

1,003,140

H
HE

HAWAIIAN ELEC INDS INC MTN B

COM
419870100
$19.55M
7 %

1,317,050

G
GBTC

GRAYSCALE BITCOIN TRUST ETF

SHS REP COM UT
389637109
$19M
7 %

360,139

L
LB

LANDBRIDGE COMPANY LLC

CL A
514952100
$18.39M
7 %

266,385

W
WPM

WHEATON PRECIOUS METALS CORP

COM
962879102
$11.7M
4 %

89,271

M
MSB

MESABI TR

CTF BEN INT
590672101
$10.13M
4 %

321,546

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WATERBRIDGE INFRASTRUCTURE L

CL A SHS REPSTG
940923105
$7.26M
3 %

270,900

F
FNV

FRANCO NEV CORP

COM
351858105
$5.83M
2 %

23,590

F
FBTC

FIDELITY WISE ORIGIN BITCOIN

SHS
315948109
$4.15M
2 %

70,339

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