What would be your only stock pick from here to eternity?

If you had to choose a single company to invest all your wealth in for the rest of your life (and potentially for the next generation), which one would it be? And as a playful addition: you are allowed to use dividends or similar returns however you see fit, but the principal wealth must remain in this one single company.

This is, of course, a highly hypothetical thought experiment, as in the real world, it pays to take advantage of the “free lunch” provided by diversification. However, the thought experiment is a useful tool because it forces one to distinguish companies that create value and possess genuinely sustainable competitive advantages from ordinary companies.

An analogy would be an old-time industrialist (patruuna) whose wealth is tied to a single business, upon which a dynasty is built. An excellent real-life example of this is the Herlin family and Kone. Of course, Kone hasn’t always been a “dynasty company”; it evolved into one under the leadership of several generations, but it has held that status for several decades and likely will continue to do so. Another obvious example would be Sweden’s Investor, but there, diversification is already built into the structure, which in a way cheats the main point of this thought experiment. A counter-example would be biotechnology companies, where the outcome decades from now is more or less binary, which is why one wouldn’t want to tie all their wealth to them.

Additionally, it should be noted that in real life, the price/valuation at the time of purchase enormously dictates total returns and risks, so let’s try to set valuation issues aside for this discussion.

My own criteria for choosing my “one and only” stock:

  1. The company operates in a value chain that satisfies a fundamental human or societal need. This means demand for a similar solution should still exist decades from now.
  2. The company is a critical player in the aforementioned value chain, giving it strong pricing power within that chain.
  3. The industry has moderate capital requirements. This means, for example, physical production, as this creates a barrier against the threat of competition from smaller players. A potential new challenger would have to invest quite massively to compete even at a basic level.
  4. The industry must not be extremely capital-intensive. This partially contradicts the third point, and these two criteria must balance each other. The industry must by no means require chronic, giant investments in capacity or simply to maintain competitiveness. Working capital requirements should also be relatively low. The risk of needing additional capital injections should be minimized.
  5. The industry or competitive environment should not be among the world’s largest, but rather of a suitable size. It should also not be at the epicenter of current technological development. Overly flashy margins and volumes attract massive amounts of capital into the competition. Massive amounts of capital and accelerating technological development can overturn a competitive position in a surprisingly short time, causing my company to lose its position over the decades.

Nokia’s mobile phones are an excellent example of this. In the early 2000s, it had global market leadership in the consumer market, technological leadership in the most central industry of the time, and absolutely massive volumes. However, it was precisely those huge volumes and margins that made the market so attractive that Apple entered from completely outside the industry, initially trying to win only a small share of the total market. But it turned out that the iPhone didn’t just take a slice of the existing pie; it reshaped the entire industry. A whole new ecosystem was born with app stores and services, and eventually, Apple grew into the largest and most prominent player in the redefined field. Currently, something similar could be seen in microchips related to AI. Margins are brilliant and volumes are huge, which means that, to put it bluntly, every top expert, venture capitalist, and even many nations are concentrating their resources on the field to compete for a piece of the cake. It is very difficult to say what the industry and its players will look like in tens of years. As a sort of opposite example, one could highlight Valmet and Andritz. It doesn’t make sense for anyone outside the industry to start using massive amounts of resources to compete with the specialized experts already operating there. The markets are large enough to generate returns, but small enough that endless capital doesn’t find its way there. Competition happens between existing players, and even industry innovations are born from within. This doesn’t mean Valmet or Andritz will necessarily perform better for their owners over the coming decades than many microchip manufacturers, but the risks are indeed different.

In my own reflection, several Swedish engineering firms, Linde, and (as a slightly different option) Ferrari emerged as the most attractive choices. Among the Swedish engineering firms, the most prominent are Alfa Laval, Sandvik, and Atlas Copco. Similar types of British companies like Rotork and Spirax-Sarco would also be interesting. My choice might be Sandvik if I believed that the cyclicality would disappear from the mining industry along with solutions related to climate change. However, that probably won’t be the case, and I suppose at some point we’ll have to start manufacturing equipment for Mars, which raises its own questions about the boundaries of the business. Another choice I’ve pondered a lot is Alfa Laval, as food production, water treatment, and the pharmaceutical industry will need Alfa Laval’s solutions in the future too. However, solutions related to fossil energy production will certainly wither away over time, which complicates the choice considerably. Granted, those solutions will still be utilized for a couple of decades, as the energy transition will take time. The company thus has plenty of time to adapt, and in real-life investing, this wouldn’t cause major concern. Most physical processes are so deeply rooted in industrial structures that no fundamental change is foreseeable in water treatment or food industry processes, for example. The phase-out of fossil energy is, however, a very fundamental change over the decades and naturally creates a small risk for a choice made “for eternity.” Atlas Copco would also be very tempting, and I could just as well end up with it. Perhaps my choice, however, is something like Alfa Laval but without the aforementioned concern—namely, Spirax-Sarco. Steam will be used in physical production regardless of energy sources, and furthermore, their customers operate in sectors that are fundamentally important to people and society. In addition to the equipment, the customer pays for service and process optimization, so switching costs are significant. Spirax’s value proposition is critical to the customer but marginal in cost within the overall operation, which means strong pricing power in the value chain. Perhaps my choice for my only stock would therefore be Spirax-Sarco, if the stock’s valuation didn’t throw a wrench in the works. Surely Atlas Copco would also be a great temptation if valuation weren’t messing with the mind of a price-conscious investor. Fortunately, such a difficult choice doesn’t have to be made in real life.

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My choice would probably be F&C Investment Trust, because I don’t imagine myself being able to guess the future or the industries of the future, so it’s better to have broader exposure to the market. If that is not considered a “stock” here, then for example Berkshire Hathaway or Investor AB could work, precisely because they manage a broader portfolio of holdings.

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Perhaps Berkshire Hathaway. A ton of cash on hand and a certain probability of multi-generational conservatism and maybe even investing in the index if necessary.

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Among domestic stocks, probably Kemira (water treatment)

Out of all other options, the MSCI World index

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Good and, above all, sensible points! Still, it would be nice to hear more about specific individual companies that aren’t holding companies. That way, the focus would be specifically on qualitative factors regarding each company and its business operations.

An index and a broadly diversified holding company would, of course, be the most sensible choice in real life, as risks are significantly reduced. But if you couldn’t choose those, what would your choice be then?

Five years ago the answer would have been Wärtsilä, and it is still Wärtsilä.

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Fortum. Electricity demand just keeps growing, and the mess with Russia and Uniper is behind us.

This is the only stock I’ve planned to hold for the long term. I’ll use the dividends to buy more.

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Vaisala. The company’s R&D investments consistently yield high-quality measurement technology products for which there is always demand.

That’s a tough one. I don’t have a single company in my portfolio that I believe with high probability will still be in good earnings shape a hundred years from now. Outside of my portfolio, Harvia is the first that comes to mind. If I had to pick from my own holdings, it would be Paradox. Maybe they’ll still be pumping out those DLCs even a hundred years from now…

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The insurance industry ranks among the world’s oldest sectors, and insurance will undoubtedly be needed in the future as well.

Sampo.

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If you exclude the likes of Investor AB and other investment companies, my choice would lean heavily toward waste management. Waste Management/Waste Connections from the USA/Canada. There will always be trash from now until eternity. AI or other technologies won’t change that. Unfortunately, everyone else knows this too, so the stocks are valued more expensively than the mega-cap tech companies.

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This turned out to be an interesting choice for me. There is a lot to take into account. Verneri has mentioned that companies do not exist forever, so this is difficult.

My choice is not currently in my portfolio, and it is the oldest company on the Helsinki Stock Exchange. It would likely be the oldest company on quite a few other exchanges as well.

For me, it would be the largest holding in my portfolio, Harvia.

The company has been operating since 1950 and has been consistently profitable (data from 2007–2026 shows there have been no loss-making years during this period, and the EBIT margin has remained consistently good). Additionally, the product (heater/sauna) is an ancient invention and is widely used in so-called “sauna countries.” In other words, the market has existed for hundreds of years, the company for decades, and as long as they don’t do anything foolish, this remains a fairly clear and simple business moving forward.

If I had to look outside my portfolio, I would seek out an industry that is already decades or hundreds of years old and choose the company that seems most sensible among the best in its field. Something related to basic needs, where hopefully there won’t be too many revolutionary changes.

Edit: Fun conversation starter, it required some nice mental exercise. :smiley:

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From the local stock exchange, I would pick KONE. My reasoning in short is that I do not believe in a world where there would be no use for KONE’s products.

The Lindy effect would encourage the following:

  • Bible printers
  • Axe factories (Fiskars)
  • Stora (Enso)

I don’t have any of these in my portfolio.

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No matter how I look at it, it has to be Berkshire Hathaway. The company already has its tentacles in many places, great management, and a very substantial amount of cash on hand.

It’s not in my portfolio yet, but I have reserved cash for it if a major correction were to occur in the US.

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If I had to put all my money into one company with the idea that it would generate good returns and eventually be inherited by my offspring, unfortunately, the one company I would most prefer to invest in is not publicly listed. Namely, Lego. Looking at my own grandfather (not quite 100 years old yet) building with plastic bricks with his great-grandchildren and enjoying every moment, the hardened investor inside me curses the fact that Lego isn’t listed on the stock exchange. It’s hard to imagine a business surrounded by better moats. The brand is about as positively charged as it can get, and its recognition is world-class. In the broader industry, there is certainly competition, but in reality, LEGO is in a league of its own among toys. There are other building sets etc., but the distant second is so distant that even those at LEGO probably don’t know who they are. Furthermore, it is exactly the kind of high-value-added manufacturing company that meets the criteria of this opening. The firm, which makes excellent profits, has consistently invested in its growth with success, and children’s need to play is endless. Even here, you can find my father’s bricks from the 70s, my own from the turn of the millennium, and the little ones’ brand-new birthday presents. Incredibly, the pieces are still largely compatible with those oldest ones.
Well, unfortunately, we cannot buy shares in the company.

Another company that immediately came to mind while reading the opening post is the Swiss fragrance and flavor manufacturer Givaudan. It fits all your criteria well.

  1. The company is a critical part of the manufacturing and product development of food and hygiene products. As disposable goods, demand for these products is constant and practically the entire globe uses them. Givaudan has perhaps specialized in serving the most brand-critical players, but I see that mainly as a positive.

  2. The chemicals supplied by Givaudan often account for < 1% of the commodity’s manufacturing costs, but their success is vital for the customer’s sales. Correspondingly, product development costs in consumer products are small compared to sales volumes, and the potential to create value for the customer is enormous.

  3. Givaudan owns about ~80 chemical industry process plants where it manufactures specialty chemicals solely for its own use. Unlike other players in the industry, Givaudan does not sell its excess capacity to outsiders; at the same time, certain aroma compounds cannot be obtained from anywhere else in the world. In addition to know-how, many of these products are patent-protected.

  4. Building process plants is expensive, and the replacement cost of the company’s production facilities is calculated in the billions. Out of the operating cash flow of approximately 6.5 billion francs over the last five years, about 1.5 billion has gone into capital expenditure.
    The working capital requirement is just under 100 days of sales (relatively high), but because over 80% of revenue comes from multi-year contract billing, capital needs are very predictable.
    The annual return on physical investments has been >15% (but not much higher) throughout this millennium; about ten cents of every euro sold has remained in the owner’s pocket.

  5. The company is certainly the leading player in its field, but measured by revenue, it is currently about the equivalent of two weeks of sales of Nvidia’s Blackwell chips. EAJH (Earnings According to Jensen Huang) is therefore quite modest. Givaudan basically has three world-class competitors (Firmenich, IFF, and Symrise), and their combined market share in fragrances is about 3/4 and in food flavors about half. In this millennium, the competitive landscape has changed mainly as a result of mergers and spin-offs of established players. Givaudan is the world’s first manufacturer of industrial fragrance chemicals and has been the leader in its field for the last 130 years. I do not find it at all unlikely that the company will still be celebrating its 200th anniversary in 2095.

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For me, the answer would be a “bit of a cheat,” namely Investor AB. Brief justifications:

  1. Several quality companies mentioned in this thread at a discount to Net Asset Value (NAV).
  2. A debt-free investment company, making bankruptcy difficult if not impossible.
  3. A 100-year track record of good returns.
  4. The package includes the development work the company performs on its holdings.
  5. Being in the same boat as professionals who safeguard my interests in said companies.
  6. Pays a dividend, unlike Berkshire Hathaway for example, which allows for reinvesting capital elsewhere if better opportunities arise.
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Probably Berkshire Hathaway.

But knowing myself, I would probably end up buying Nokia.

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I’m waiting for Nordea and Puuilo to merge. That would be the “buy and hold for life” stock! The name could be something like: “Ilon ordea” (Ordea of Joy). “Come on down, we’ve got wealth management too now.” It should be some kind of full-service house, but those are hard to find these days. From the current selection, I just can’t decide!!!

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