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| Quarter | Letter Date | Fund Name | QTD | YTD | Tickers | Keywords/Themes | Theme Commentary | Pitches | Letter |
|---|---|---|---|---|---|---|---|---|---|
| 2026 Q2 | Jul 1, 2026 | Horizon Kinetics | - | - | AMZN, AN, CBOE, CME, ICE, MIAX, NDAQ, PAG, PSK.TO, TPL | Bitcoin, Compounding, Exchanges, Land, long-term, royalties, Time horizon, valuation | View | ||
| 2026 Q1 | May 8, 2026 | Horizon Kinetics | - | - | AAPL, AB, ALS.TO, AMLP, CSCO, HE, INTC, LNG, MIAX, MSFT, TPG, WPM | AI, CLO, commodities, energy, income, infrastructure, private credit, royalties | View | ||
| 2025 Q4 | Jan 11, 2026 | Horizon Kinetics | 0.0% | 0.0% | AAPL, AMD, AMZN, AVGO, GOOGL, ICE, LB, META, MIAX, MSFT, NVDA, ORCL, STR, TPL, VNOM, WTTR | AI, Compounding, energy, Exchanges, long-term, private markets, value, water | The firm avoids direct AI-IT company investments but focuses on beneficiaries of AI infrastructure buildout. They invest in companies controlling necessary resources like natural gas, water, and land for data centers rather than the technology companies themselves. Significant focus on Permian Basin investments through TPL, LandBridge, and WaterBridge. The firm emphasizes water handling infrastructure and land ownership as critical limiting factors for oil production in the region. Long history of investing in securities exchanges from TPL to MIAX to ICE. The firm views exchanges as blue-chip businesses with near-perpetual longevity that don't fail or get displaced. Core philosophy centers on long-horizon value investing with focus on making time work for investors through unbroken compounding. Emphasis on high sustainable return on equity and margin of safety. Water infrastructure is highlighted as a critical limiting factor for both oil production and data center operations. WaterBridge represents a key investment in water handling and disposal infrastructure. | View |
| Date | Pitch Type | Author | Company | Industry | Sub Industry | Bull / Bear | Stock Exchange | Keywords | Action |
|---|---|---|---|---|---|---|---|---|---|
| Aug 6, 2026 | Seeking Alpha | Seeking Alpha | Miami International Holdings, Inc. | Financial Services | Securities & Commodity Exchanges | Bull | NASDAQ Stock Market | EBITDA growth, financial services, international expansion, market volatility, Options trading, organic growth, profit margins, Retail Investors, scalable technology, Securities Exchange | View Pitch |
| Jul 25, 2026 | Fund Letters | Langdon Global Smaller Companies | Miami International Holdings Inc. | Capital Markets | Capital Markets | Bull | NASDAQ | Capital markets, Derivatives, Electronic Exchange, Futures, Listed Options, market share gains, network effects, new product development, operating leverage, Proprietary technology | View Pitch |
| Jan 28, 2026 | Fund Letters | Murray Stahl | Miami International Holdings Inc. | Financials | Financial Exchanges | Bull | New York Stock Exchange | Clearing, Exchanges, infrastructure, Optionality, scale | View Pitch |
| Jan 8, 2026 | Seeking Alpha | Seeking Alpha | Miami International Holdings, Inc. | Financial Services | Securities Exchanges | Bull | NASDAQ Stock Market | clean balance sheet, EBITDA margins, financial services, IPO performance, market share growth, Options trading, retail investor engagement, securities exchanges, Strategic Partnerships, volume growth | View Pitch |
| Jan 8, 2026 | Substack | Raging Bull Investments | Miami International Holdings | Financial Services | Securities Exchanges | Bull | NASDAQ Stock Market | Bloomberg partnership, Derivatives, futures trading, insider alignment, IPO, market share growth, options market, securities exchanges, transaction fees, vertical integration | View Pitch |
| Manager Name | Fund Name | Fund AUM | Invested Value | Portfolio Weight | Shares Owned | Shares Bought / Sold During Quarter | % Bought / Sold During Quarter | % of Shares Outstanding Owned |
|---|---|---|---|---|---|---|---|---|
| No investor data available. | ||||||||