MRM-Horizon Advisors

Mad River Investors as of Dec. 31, 2020

Portfolio Holdings for Mad River Investors

Mad River Investors holds 23 positions in its portfolio as reported in the December 2020 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Texas Pacific Land Trust 39.2 $40M 55k 727.00
Wheaton Precious Metals Corp (WPM) 9.3 $9.5M 227k 41.74
CACI International (CACI) 6.1 $6.2M 25k 249.32
Mesabi Tr Ben Int (MSB) 5.0 $5.1M 182k 28.05
Civeo Corp (CVEO) 4.9 $5.0M 360k 13.90
Franco-Nevada Corporation (FNV) 4.9 $5.0M 40k 125.33
Associated Cap Group Inc cl a (AC) 4.4 $4.5M 129k 35.12
Liberty Broadband Corp Class A (LBRDK) 4.0 $4.0M 26k 158.38
Berkshire Hathaway (BRK.B) 3.7 $3.8M 16k 231.87
Howard Hughes 3.7 $3.7M 47k 78.92
Liberty Media Corp Del Class A 2.9 $3.0M 68k 43.51
Cme (CME) 1.9 $1.9M 11k 182.01
Boeing Company (BA) 1.9 $1.9M 8.9k 214.04
Liberty Media Corp Del Class A 1.8 $1.8M 43k 42.60
Intercontinental Exchange (ICE) 1.5 $1.6M 14k 115.32
CBOE Holdings (CBOE) 1.1 $1.1M 12k 93.11
Liberty Broadband Corp Class A (LBRDA) 0.8 $776k 4.9k 157.66
Liberty Media Corp Del Class A 0.7 $748k 17k 43.21
Rli (RLI) 0.7 $729k 7.0k 104.14
Liberty Media Corp Del Class A 0.5 $526k 14k 37.98
Nuveen Insured Tax-Free Adv Munici (NEA) 0.5 $500k 33k 15.11
Walt Disney Company (DIS) 0.4 $435k 2.4k 181.25
Mammoth Energy Svcs (TUSK) 0.1 $52k 12k 4.44