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What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
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CIK: 0001384484
Total reported value
$268.1M
$268.1M
37 檔
61.4%
During the Q3 2025 filing period, Mad River Investors (CIK: 0001384484) submitted its Form 13F report to the U.S. SEC, disclosing a tracked public equity portfolio valued at $268.1M across 37 reported positions.
In Q3 2025, Mad River Investors displayed an active expansion posture, initiating 17 new positions and adding to 6 existing holdings, outstripping position reductions.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | TPL | Texas Pacific Land CORP | Stock-Energy | 38.01% | -2.11% | +0.17% | |
| 2 | GBTC | Grayscale Bitcoin Trust ETF | ETF-Crypto | 13.86% | -0.73% | -3.07% | |
| 3 | PBT | Permian Basin Royalty Trust | Stock-Other | 7.20% | +1.62% | +3.40% | |
| 4 | HE | Hawaiian Electric Inds | Stock-Utilities | 5.81% | -0.36% | +0.35% | |
| 5 | LB | Landbridge Co Llc-a | Stock-Other | 5.50% | +1.30% | +2.68% | |
| 6 | WPM | Wheaton Precious Metals CORP | Stock-Materials | 4.69% | -1.86% | -15.53% | |
| 7 | MSB | Mesabi Trust | Stock-Other | 3.70% | -0.60% | +0.04% | |
| 8 | FBTC | Fidelity Wise Origin Bitcoin | ETF-Crypto | 3.07% | -0.15% | -1.99% | |
| 9 | WBI | Waterbridge Infrastruc-cl A | Stock-Other | 2.72% | +0.81% | — | |
| 10 | FNV | Franco-nevada CORP | Stock-Materials | 2.25% | -0.35% | -1.97% | |
| 11 | CCL1EUR | Carnival CORP LTD | Stock-Consumer Disc | 1.92% | -1.45% | EXIT | |
| 12 | BTC | Grayscale Bitcoin Mini ETF | ETF-Crypto | 1.78% | -0.09% | +4.97% | |
| 13 | VTI | Vanguard Total Stock Mkt ETF | ETF-Other | 1.70% | -0.08% | — | |
| 14 | MIAX | Miami International Holdings | Stock-Other | 1.28% | +2.87% | — | |
| 15 | ORCL | Oracle CORP | Stock-Tech | 0.97% | +0.01% | — | |
| 16 | CBOE | Cboe Global Markets Inc | Stock-Financials | 0.70% | -0.07% | -0.37% | |
| 17 | ICE | Intercontinental Exchange In | Stock-Financials | 0.56% | -0.07% | +0.32% | |
| 18 | AAPL | Apple Inc | Stock-Tech | 0.54% | +0.08% | — | |
| 19 | PANW | Palo Alto Networks Inc | Stock-Tech | 0.48% | +0.38% | — | |
| 20 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 0.32% | +0.04% | — | |
| 21 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 0.25% | -0.02% | — | |
| 22 | UNH | Unitedhealth Group Inc | Stock-Healthcare | 0.25% | +0.09% | — | |
| 23 | CINF | Cincinnati Financial CORP | Stock-Financials | 0.24% | +0.05% | — | |
| 24 | VIG | Vanguard Dividend Apprec ETF | ETF-Other | 0.24% | -0.08% | EXIT | |
| 25 | AYS1 | Sandstorm Gold LTD | Stock-Other | 0.23% | — | -12.50% | |
| 26 | RLI | Rli CORP | Stock-Financials | 0.21% | +0.01% | — | |
| 27 | ETN | Eaton Corporation plc | Stock-Industrials | 0.19% | +0.04% | — | |
| 28 | JPM | Jpmorgan Chase & Co | Stock-Financials | 0.19% | -0.15% | EXIT | |
| 29 | CSCO | Cisco Systems Inc | Stock-Tech | 0.18% | +0.09% | — | |
| 30 | CACI | Caci International Inc -cl A | Stock-Tech | 0.17% | -0.08% | -5.85% | |
| 31 | KMB | Kimberly-clark CORP | Stock-Consumer Staples | 0.15% | — | — | |
| 32 | C | Citigroup Inc | Stock-Financials | 0.13% | — | — | |
| 33 | RSP | Invesco S&p 500 Equal Weight | ETF-Large Cap & Growth | 0.12% | — | — | |
| 34 | FE | Firstenergy CORP | Stock-Utilities | 0.11% | — | — | |
| 35 | JNJ | Johnson & Johnson | Stock-Healthcare | 0.10% | — | — | |
| 36 | CRM | Salesforce Inc | Stock-Tech | 0.09% | — | — | |
| 37 | GLPI | Gaming And Leisure Propertie | Stock-Real Estate | 0.09% | — | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | PBT | Permian Basin Royalty Trust | +5.2% | +3.40% | Add |
| 2 | GBTC | Grayscale Bitcoin Trust ETF | +3.6% | -3.07% | Trim |
| 3 | FBTC | Fidelity Wise Origin Bitcoin | +0.8% | -1.99% | Trim |
| 4 | BTC | Grayscale Bitcoin Mini ETF | +0.6% | +4.97% | Add |
| 5 | FNV | Franco-nevada CORP | +0.4% | -1.97% | Trim |
| 6 | CCL1EUR | Carnival CORP LTD | +0.4% | -15.45% | Trim |
| 7 | VTI | Vanguard Total Stock Mkt ETF | +0.3% | — | Unchanged |
| 8 | MSB | Mesabi Trust | +0.3% | +0.04% | Trim |
| 9 | HE | Hawaiian Electric Inds | +0.2% | +0.35% | Add |
| 10 | CBOE | Cboe Global Markets Inc | +0.1% | -0.37% | Add |
| 11 | CACI | Caci International Inc -cl A | 0% | -5.85% | Trim |
| 12 | AYS1 | Sandstorm Gold LTD | 0% | -12.50% | Trim |
| 13 | RSP | Invesco S&p 500 Equal Weight | 0% | — | Unchanged |
| 14 | ICE | Intercontinental Exchange In | 0% | +0.32% | Add |
| 15 | RLI | Rli CORP | -0.1% | — | Trim |
| 16 | WPM | Wheaton Precious Metals CORP | -0.2% | -15.53% | Trim |
| 17 | BRK-B | Berkshire Hathaway Inc-cl B | -0.2% | — | Trim |
| 18 | VIG | Vanguard Dividend Apprec ETF | -0.3% | -58.06% | Trim |
| 19 | LB | Landbridge Co Llc-a | -1.6% | +2.68% | Add |
| 20 | TPL | Texas Pacific Land CORP | -15.4% | +0.17% | Trim |
| 21 | WBI | Waterbridge Infrastruc-cl A | — | NEW | New buy |
| 22 | MIAX | Miami International Holdings | — | NEW | New buy |
| 23 | ARISUSD | Aris Water Solutions Inc-a | — | EXIT | Sold out |
| 24 | ORCL | Oracle CORP | — | NEW | New buy |
| 25 | CVEO | Civeo CORP | — | EXIT | Sold out |
| 26 | AAPL | Apple Inc | — | NEW | New buy |
| 27 | PANW | Palo Alto Networks Inc | — | NEW | New buy |
| 28 | AMZN | Amazon.com Inc | — | NEW | New buy |
| 29 | UNH | Unitedhealth Group Inc | — | NEW | New buy |
| 30 | CINF | Cincinnati Financial CORP | — | NEW | New buy |
| 31 | EXP | Eagle Materials Inc | — | EXIT | Sold out |
| 32 | ETN | Eaton Corporation plc | — | NEW | New buy |
| 33 | JPM | Jpmorgan Chase & Co | — | NEW | New buy |
| 34 | CSCO | Cisco Systems Inc | — | NEW | New buy |
| 35 | KMB | Kimberly-clark CORP | — | NEW | New buy |
| 36 | C | Citigroup Inc | — | NEW | New buy |
| 37 | FE | Firstenergy CORP | — | NEW | New buy |
| 38 | DIS | Walt Disney Co/the | — | EXIT | Sold out |
| 39 | JNJ | Johnson & Johnson | — | NEW | New buy |
| 40 | CRM | Salesforce Inc | — | NEW | New buy |
| 41 | GLPI | Gaming And Leisure Propertie | — | NEW | New buy |
According to official SEC Form 13F filings, Mad River Investors reported a total U.S. public equity portfolio value of $268.1M across 37 disclosed positions in Q3 2025.
During Q3 2025, Mad River Investors's top holdings by market value included TPL (38.0%)、GBTC (13.9%)、PBT (7.2%). The largest single position, TPL, represented 38.0% of total portfolio value.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including TPL, GBTC, PBT) accounted for 61.4% of total reported equity market value during Q3 2025.
Top New Position Initiated
WBI
市值: $6.3M
Top Position Liquidated / Trimmed
ARISUSD
前期市值: $2.4M
In Q3 2025, Mad River Investors made 39 total portfolio adjustments, initiating 17 new buys, adding to 6 positions, trimming 12 holdings, and fully liquidating 4 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
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