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Mad River Investors Top Holdings and 13F Report (2025)

About Mad River Investors

Investment Activity

  • Mad River Investors has $233.75 million in total holdings as of September 30, 2025.
  • Mad River Investors owns shares of 38 different stocks, but just 8 companies or ETFs make up 80% of its holdings.
  • Approximately 15.42% of the portfolio was purchased this quarter.
  • About 41.70% of the portfolio was sold this quarter.
  • This quarter, Mad River Investors has purchased 24 new stocks and bought additional shares in 6 stocks.
  • Mad River Investors sold shares of 11 stocks and completely divested from 3 stocks this quarter.

Largest Holdings

Texas Pacific Land
$88,483,336
GRAYSCALE BITCOIN TRUST ETF
$32,402,841
LANDBRIDGE COMPANY LLC
$12,860,359

Largest New Holdings this Quarter

940923105 - WATERBRIDGE INFRASTRUCTURE L
$6,347,874 Holding
59356Q108 - MIAMI INTL HLDGS INC
$3,003,396 Holding
68389X105 - Oracle
$2,263,982 Holding
037833100 - Apple
$1,273,150 Holding
697435105 - Palo Alto Networks
$1,116,653 Holding

Largest Purchases this Quarter

Permian Basin Royalty Trust
914,230 shares (about $16.68M)
WATERBRIDGE INFRASTRUCTURE L
251,700 shares (about $6.35M)
MIAMI INTL HLDGS INC
74,600 shares (about $3.00M)
Oracle
8,050 shares (about $2.26M)
Apple
5,000 shares (about $1.27M)

Largest Sales this Quarter

Texas Pacific Land
94,613 shares (about $88.33M)
Wheaton Precious Metals
17,998 shares (about $2.01M)
GRAYSCALE BITCOIN TRUST ETF
11,427 shares (about $1.03M)
Carnival
28,400 shares (about $821.05K)
Vanguard Dividend Appreciation ETF
3,600 shares (about $776.84K)

Sector Allocation Over Time

Map of 500 Largest Holdings ofMad River Investors

 
 
Selling
 
 
Neutral
 
 
Buying
Issuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSector
Texas Pacific Land Corporation stock logo
TPL
Texas Pacific Land
$88,483,336$225,008 -0.3%94,77237.9%Energy
GRAYSCALE BITCOIN TRUST ETF
$32,402,841$1,025,802 -3.1%360,95413.9%SHS REP COM UT
Permian Basin Royalty Trust stock logo
PBT
Permian Basin Royalty Trust
$16,830,700$16,684,700 11,427.9%922,2307.2%Energy
Hawaiian Electric Industries, Inc. stock logo
HE
Hawaiian Electric Industries
$13,581,960$48,024 0.4%1,230,2505.8%Utilities
LANDBRIDGE COMPANY LLC
$12,860,359$336,212 2.7%241,0565.5%CL A
Wheaton Precious Metals Corp. stock logo
WPM
Wheaton Precious Metals
$10,952,180$2,012,901 -15.5%97,9274.7%Basic Materials
Mesabi Trust stock logo
MSB
Mesabi Trust
$8,649,963$3,220 0.0%295,5233.7%Basic Materials
FIDELITY WISE ORIGIN BITCOIN
$7,166,757$145,423 -2.0%71,8043.1%SHS
WATERBRIDGE INFRASTRUCTURE L
$6,347,874$6,347,874 New Holding251,7002.7%CL A SHS REPSTG
Franco-Nevada Corporation stock logo
FNV
Franco-Nevada
$5,255,925$105,658 -2.0%23,5792.2%Basic Materials
Carnival Corporation stock logo
CCL
Carnival
$4,492,506$821,045 -15.5%155,3961.9%Consumer Discretionary
GRAYSCALE BITCOIN MINI TR ET
$4,160,723$197,103 5.0%82,1791.8%SHS NEW
Vanguard Total Stock Market ETF stock logo
VTI
Vanguard Total Stock Market ETF
$3,978,0770.0%12,1221.7%ETF
MIAMI INTL HLDGS INC
$3,003,396$3,003,396 New Holding74,6001.3%COM
Oracle Corporation stock logo
ORCL
Oracle
$2,263,982$2,263,982 New Holding8,0501.0%Computer and Technology
Cboe Global Markets, Inc. stock logo
CBOE
Cboe Global Markets
$1,632,054$6,131 -0.4%6,6550.7%Financial Services
Intercontinental Exchange Inc. stock logo
ICE
Intercontinental Exchange
$1,300,733$4,212 0.3%7,7200.6%Finance
Apple Inc. stock logo
AAPL
Apple
$1,273,150$1,273,150 New Holding5,0000.5%Computer and Technology
Palo Alto Networks, Inc. stock logo
PANW
Palo Alto Networks
$1,116,653$1,116,653 New Holding5,4840.5%Computer and Technology
Amazon.com, Inc. stock logo
AMZN
Amazon.com
$746,538$746,538 New Holding3,4000.3%Retail/Wholesale
Berkshire Hathaway Inc. stock logo
BRK.B
Berkshire Hathaway
$590,7200.0%1,1750.3%Finance
UnitedHealth Group Incorporated stock logo
UNH
UnitedHealth Group
$587,010$587,010 New Holding1,7000.3%Medical
Cincinnati Financial Corporation stock logo
CINF
Cincinnati Financial
$569,160$569,160 New Holding3,6000.2%Finance
Vanguard Dividend Appreciation ETF stock logo
VIG
Vanguard Dividend Appreciation ETF
$561,054$776,844 -58.1%2,6000.2%ETF
Sandstorm Gold Ltd stock logo
SAND
Sandstorm Gold
$533,252$76,147 -12.5%42,5920.2%Basic Materials
RLI Corp. stock logo
RLI
RLI
$489,1500.0%7,5000.2%Finance
Eaton Corporation, PLC stock logo
ETN
Eaton
$449,100$449,100 New Holding1,2000.2%Industrials
JPMorgan Chase & Co. stock logo
JPM
JPMorgan Chase & Co.
$441,602$441,602 New Holding1,4000.2%Finance
Cisco Systems, Inc. stock logo
CSCO
Cisco Systems
$410,520$410,520 New Holding6,0000.2%Computer and Technology
CACI International, Inc. stock logo
CACI
CACI International
$401,518$24,939 -5.8%8050.2%Computer and Technology
Texas Pacific Land Corporation stock logo
TPL
Texas Pacific Land
$373,456$88,334,481 -99.6%4000.2%Energy
Kimberly-Clark Co. stock logo
KMB
Kimberly-Clark
$348,152$348,152 New Holding2,8000.1%Consumer Staples
Citigroup Inc. stock logo
C
Citigroup
$304,500$304,500 New Holding3,0000.1%Financial Services
Invesco S&P 500 Equal Weight ETF stock logo
RSP
Invesco S&P 500 Equal Weight ETF
$286,0680.0%1,5080.1%ETF
FirstEnergy Corporation stock logo
FE
FirstEnergy
$261,174$261,174 New Holding5,7000.1%Utilities
Johnson & Johnson stock logo
JNJ
Johnson & Johnson
$222,504$222,504 New Holding1,2000.1%Medical
Salesforce Inc. stock logo
CRM
Salesforce
$213,300$213,300 New Holding9000.1%Computer and Technology
Gaming and Leisure Properties, Inc. stock logo
GLPI
Gaming and Leisure Properties
$212,449$212,449 New Holding4,5580.1%Finance
Aris Water Solutions, Inc. stock logo
ARIS
Aris Water Solutions
$0$2,093,025 -100.0%00.0%Business Services
Civeo Corporation stock logo
CVEO
Civeo
$0$1,568,685 -100.0%00.0%Consumer Discretionary
Eagle Materials Inc stock logo
EXP
Eagle Materials
$0$248,700 -100.0%00.0%Construction

Showing largest 100 holdings. View all holdings.
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