In short: Best Buy #4 — "An irreplaceable rail monopoly with low-cost cost advantages and inflation-plus pricing power." A 19,500-mile network and "the only railroad in North America connecting the Atlantic, Pacific, and Gulf coasts." Two separate moats are argued: replacement cost — "because of the cost of land, zoning restrictions, and environmental permits, no new competitor will ever be built" — and unit economics, since trains "use 4x less fuel than shipping by truck." The consequence is pricing: rates raised "at or above inflation through different economic cycles." The near-term problem is stated rather than hidden: "freight volumes have been falling for the past few years", offset by efficiency gains and a guidance raise on the Q2 call. This is the one of the five framed as a cyclical entry — "the company will seriously benefit from any improvement in North American freight volumes." A first appearance in this archive.
Canadian National runs 19,500 miles of track and is the only railway in North America touching the Atlantic, the Pacific and the Gulf of Mexico. The moat is that nobody will ever build another one: the land, the planning permission and the environmental approvals are effectively unobtainable today at any price. What exists, exists.
The economics are simple. Moving heavy goods long distances by rail uses about a quarter of the fuel of trucking, so for bulk freight there is no real alternative — which lets the railway raise prices at or slightly above inflation, year after year, through good times and bad.
The reason it is a candidate now is that the volumes are weak: freight traffic has been falling for several years. Management has been squeezing costs to compensate and raised its guidance at the last quarterly results. So this one is explicitly a cyclical entry — buy a business that cannot be replaced while the cycle it serves is depressed, and wait for volumes to recover. That is a different kind of bet from the other four on the list, and the letter is straightforward about it.
In short: #14, yield 2.6%. "The only railroad in North America that connects the Atlantic, Pacific, and Gulf coasts." The moat in six words: "You cannot build a new railroad. CN operates a toll booth on the North American economy with minimal competition for long-haul freight." Plus "after a period of higher valuation, the stock has become more attractive relative to its peers and its own historical averages," and efficiency generating "massive free cash flow that supports a growing dividend." Becomes Best Buy #4 of August 2026 on the same irreplaceable-network argument — see 30 August.
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