Universe · entity
MAD RIVER INVESTORS
Institutional manager (13F) · CIK 1384484
13F holdings · as of 2026-03-31 · top 31 · reported portfolio $277M
| # | Issuer | Value | Shares |
|---|---|---|---|
| 1 | TEXAS PACIFIC LAND CORPORATI | $135M | 285,120 |
| 2 | PERMIAN BASIN RTY TR | $22M | 1,003,140 |
| 3 | HAWAIIAN ELEC INDS INC MTN B | $20M | 1,317,050 |
| 4 | GRAYSCALE BITCOIN TRUST ETF | $19M | 360,139 |
| 5 | LANDBRIDGE COMPANY LLC | $18M | 266,385 |
| 6 | WHEATON PRECIOUS METALS CORP | $12M | 89,271 |
| 7 | MESABI TR | $10M | 321,546 |
| 8 | WATERBRIDGE INFRASTRUCTURE L | $7M | 270,900 |
| 9 | FRANCO NEV CORP | $6M | 23,590 |
| 10 | FIDELITY WISE ORIGIN BITCOIN | $4M | 70,339 |
| 11 | CARNIVAL CORP | $4M | 156,181 |
| 12 | MIAMI INTL HLDGS INC | $3M | 81,250 |
| 13 | VANGUARD INDEX FDS | $3M | 8,800 |
| 14 | GRAYSCALE BITCOIN MINI TR ET | $2M | 81,217 |
| 15 | CBOE GLOBAL MKTS INC | $2M | 6,680 |
| 16 | APPLE INC | $1M | 5,100 |
| 17 | INTERCONTINENTAL EXCHANGE IN | $1M | 7,645 |
| 18 | ORACLE CORP | $1M | 8,050 |
| 19 | PALO ALTO NETWORKS INC | $879k | 5,484 |
| 20 | AMAZON COM INC | $729k | 3,500 |
| 21 | ROYAL GOLD INC | $627k | 2,463 |
| 22 | CINCINNATI FINL CORP | $566k | 3,600 |
| 23 | CISCO SYS INC | $466k | 6,000 |
| 24 | UNITEDHEALTH GROUP INC | $460k | 1,700 |
| 25 | CACI INTL INC | $438k | 805 |
| 26 | EATON CORP PLC | $429k | 1,200 |
| 27 | JPMORGAN CHASE & CO | $417k | 1,417 |
| 28 | BERKSHIRE HATHAWAY INC DEL | $395k | 825 |
| 29 | RLI CORP | $342k | 6,000 |
| 30 | JOHNSON & JOHNSON | $293k | 1,200 |
| 31 | VANGUARD SPECIALIZED FUNDS | $215k | 1,000 |
Source: sec_edgar_13f · public regulatory · retrieved 2026-06-29. Public SEC data; no contact information.