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Portfolio (Quarterly) Guide ↗

MAD RIVER INVESTORS

· CIK 0001384484
13F Portfolio $268M AUM 30 positions Filed Aug 3, 2026 EDGAR ↗ ← All Funds
Q2 2026 · All 30 New
Page 1 of 2  ·  30 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
1 TPL TEXAS PACIFIC LAND CORPORATI Energy 285,330.0 $124.9M 46.58% NEW $437.64 -17.2%
2 PBT PERMIAN BASIN RTY TR Energy 1,005,152.0 $25.2M 9.39% NEW $25.04 +36.5%
3 LANDBRIDGE COMPANY LLC 267,953.0 $21.2M 7.92% NEW $79.24
4 HE HAWAIIAN ELEC INDS INC MTN B Utilities 1,321,850.0 $17.9M 6.67% NEW $13.53 -18.0%
5 GBTC GRAYSCALE BITCOIN TRUST ETF Financial Services 360,139.0 $16.4M 6.12% NEW $45.52 +35.6%
6 MIAMI INTL HLDGS INC 289,000.0 $10.7M 4.01% NEW $37.16
7 WBI WATERBRIDGE INFRASTRUCTURE L Energy 267,801.0 $9.2M 3.42% NEW $34.27 -6.0%
8 MSB MESABI TR Financial Services 323,735.0 $8.2M 3.06% NEW $25.30 -5.5%
9 WPM WHEATON PRECIOUS METALS CORP Basic Materials 56,173.0 $6.3M 2.35% NEW $112.32 +38.0%
10 FNV FRANCO NEV CORP Basic Materials 22,506.0 $4.7M 1.75% NEW $208.44 +27.7%
11 FBTC FIDELITY WISE ORIGIN BITCOIN Financial Services 70,369.0 $3.6M 1.34% NEW $51.05 +36.0%
12 CARNIVAL CORP LTD 95,373.0 $2.7M 1.02% NEW $28.57
13 VTI VANGUARD INDEX FDS 6,800.0 $2.5M 0.94% NEW $370.04 +2.6%
14 BTC GRAYSCALE BITCOIN MINI TR ET Financial Services 81,517.0 $2.1M 0.79% NEW $25.95 +36.1%
15 PANW PALO ALTO NETWORKS INC Technology 5,484.0 $1.9M 0.70% NEW $341.02 -2.3%
16 CBOE CBOE GLOBAL MKTS INC Financial Services 6,705.0 $1.6M 0.61% NEW $242.66 +23.0%
17 AAPL APPLE INC Technology 5,050.0 $1.5M 0.55% NEW $289.36 +10.6%
18 ORCL ORACLE CORP Technology 8,050.0 $1.2M 0.44% NEW $146.55 +8.4%
19 ICE INTERCONTINENTAL EXCHANGE IN Financial Services 7,846.0 $966K 0.36% NEW $123.10 +31.0%
20 AMZN AMAZON COM INC Consumer Cyclical 3,400.0 $810K 0.30% NEW $238.34 +8.5%
Page 1 of 2  ·  30 positions

Period Price is the implied market price on the last day of the reporting period, calculated as reported value ÷ shares held. It is not the fund's purchase price or cost basis — the fund may have initiated or added to the position at any point during the quarter at a different price. Since Period shows the price change from that quarter-end snapshot to today's last price — it reflects stock movement after the report date, not the fund's actual return.

Sector Allocation
Energy 69.2%
Financial Services 14.7%
Utilities 7.8%
Basic Materials 4.8%
Technology 2.4%
Consumer Cyclical 0.4%
Healthcare 0.4%
Industrials 0.2%