Earlier quoted context omitted.
nothing about investing should revolve around if you need liquidity The knowledge that I can get out of my investment any time I want at the current market price makes me much more willing to invest in the first place. If I know that it can take several month to get out of an investment or that I have to sell at a discount to get a fast deal then I'm more likely to sit on more of my money in case I need it quickly.
In theory that's a big deal. In practice most people are looking at days to weeks to liquidate stock and that's not a big deal. As your holdings go up, into the billions, it can take months to years to unwind major investments without tanking the price. Further, having ~six months of living expenses outside of the market is considered prudent anyway. However, the reality is if the market disappeared today informal ma…
I can't imagine selling a position would have any influence on price until it's a significant percentage of the market cap. The median cap of the Russell 2000 (an american small cap index) is 809 M [0].
Do most people really have multi-million positions in a single small cap company?