MAD RIVER INVESTORS
Top Portfolio Positions
29 positions ·
$274,831,605 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| TPL |
Texas Pacific Land Corp
Energy
|
285,120 | $135,306,547 | 49.23% | |
| PBT |
Permian Basin Royalty Trust
Energy
|
1,003,140 | $21,587,572 | 7.85% | |
| HE |
Hawaiian Electric Industries Inc
Utilities
|
1,363,950 | $20,241,018 | 7.36% | |
| GBTC |
Grayscale Bitcoin Trust ETF
|
360,139 | $19,000,933 | 6.91% | |
| LB |
LandBridge Co LLC
Energy
|
266,385 | $18,393,884 | 6.69% | |
| WPM |
Wheaton Precious Metals Corp.
Basic Materials
|
89,271 | $11,695,393 | 4.26% | |
| MSB |
Mesabi Trust
Basic Materials
|
321,546 | $10,128,699 | 3.69% | |
| WBI |
WaterBridge Infrastructure LLC
Energy
|
270,900 | $7,257,411 | 2.64% | |
| FNV |
FRANCO NEVADA Corp
Basic Materials
|
23,590 | $5,827,909 | 2.12% | |
| FBTC |
Fidelity Wise Origin Bitcoin Fund
|
70,339 | $4,152,111 | 1.51% |
Portfolio Trend
25 quarters · across all stocks
Holdings in MSB
Shares Held
Position Value (USD)
23 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $10,128,699 | 321,546 | Shares | Sole | 2026-04-23 | |
| 2025-12-31 | $11,426,919 | 296,649 | Shares | Sole | 2026-02-06 | |
| 2025-09-30 | $8,649,958 | 295,523 | Shares | Sole | 2025-10-14 | |
| 2025-06-30 | $7,078,095 | 295,413 | Shares | Sole | 2025-07-08 | |
| 2025-03-31 | $8,063,630 | 296,457 | Shares | Sole | 2025-04-22 | |
| 2024-12-31 | $8,289,667 | 294,901 | Shares | Sole | 2025-01-16 | |
| 2024-09-30 | $6,638,012 | 293,069 | Shares | Sole | 2024-10-22 | |
| 2024-06-30 | $5,025,060 | 291,646 | Shares | Sole | 2024-08-02 | |
| 2024-03-31 | $5,059,314 | 285,837 | Shares | Sole | 2024-04-19 | |
| 2023-12-31 | $5,333,397 | 260,547 | Shares | Sole | 2024-01-26 | |
| 2023-09-30 | $7,131,071 | 355,310 | Shares | Sole | 2023-10-18 | |
| 2023-06-30 | $7,173,604 | 351,475 | Shares | Sole | 2023-08-03 | |
| 2023-03-31 | $8,651,218 | 343,575 | Shares | Sole | 2023-05-04 | |
| 2022-12-31 | $5,089,298 | 282,425 | Shares | Sole | 2023-02-06 | |
| 2022-09-30 | $4,255,215 | 197,825 | Shares | Sole | 2022-10-26 | |
| 2022-06-30 | $4,791,821 | 195,425 | Shares | Sole | 2022-08-08 | |
| 2022-03-31 | $5,118,210 | 192,125 | Shares | Sole | 2022-04-28 | |
| 2021-12-31 | $5,089,152 | 192,625 | Shares | Sole | 2022-02-09 | |
| 2021-09-30 | $5,612,219 | 188,900 | Shares | Sole | 2021-11-08 | |
| 2021-06-30 | $6,687,060 | 188,900 | Shares | Sole | 2021-08-02 | |
| 2021-03-31 | $5,647,520 | 187,750 | Shares | Sole | 2021-05-03 | |
| 2020-12-31 | $5,105,100 | 182,000 | Shares | Sole | 2021-02-03 | |
| 2020-09-30 | $1,206,357 | 56,850 | Shares | Sole | 2020-10-29 | |
| No 13F history on record for this holder in this stock. | ||||||