That is, it not only tied up nearly the entire endowment in such assets, but borrowed to buy more of them.
This means making sure high-quality government bonds, say, are not needlessly tied up as collateral for trades where lower-quality assets would be acceptable.
So it goes for entrepreneurs whose fortunes are mostly, if not entirely, tied up in the shares of the companies they founded and run.
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I'm willing to bet they won't turn down your offers, even if they're not wrapped up and tied with a bow.
My own two sons and my grandchildren have also missed their grandad, as I've always been tied up and sadly not seen enough of them growing up.
"You don't want to have excess cash tied up in the company that's not generating any value, " said Nick Fanandakis, chief financial officer of the manufacturing and science company.
The BBC's Lucy Williamson, in Seoul, says the trouble, as ever, is what the international community can do in response without triggering an even bigger crisis - North Korea is already tied up in layers of sanctions which do not seem to have had any impact.
And when you look at it from that perspective, it makes a lot of sense to me that they are conservatives who really tied up the knots about this because they understand not just what this is about for right now.
It's also not a good idea for investors to have all of their assets tied up in one fund or with one investment adviser.
Miss Greening said the UK was not changing its policy as she did not believe tied aid - criticised by the World Bank for distorting competition, pushing up costs and reducing quality - "was the way to secure good, sustainable development".
"If and when we re-orientate our cricket square, which is all tied up in our planning application, then some of, if not all of, our four-day games will be played away from Old Trafford so all our outgrounds come into focus then, " added Cumbes.
And the value of companies is increasingly tied up in concepts such as brand and intellectual property, which do not observe country borders.
Eike Batista is the classic example of how billionaires are not really billionaires when you consider all the leverage and how all their wealth is tied up into non-liquid assets.
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He tied up to the buoy and went to sleep, believing that he would not wake up.
But the order eased up considerably the ban on future speech, so long as that speech is not tied to a demand for money.
Two, almost half of the players in the NBA ask for advances on their paychecks during any given month, frequently because they spend a high percentage of their earnings, their cash is tied up in illiquid investments, and more than a handful are legally bound to support women they are not married to but have had children with.
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