Who cares how many shares are held by others. The only thing that matters is the total number of shares. It's used in P/E calculations, dividends/share calculations and market cap calculations. And that number is 640,000 or something.
Having very few shares trading is a detriment as no serious investor is going to get into a position that he can't get out of. Just as current shareholders can't sell any significant number of shars without driving the price into the ground.
I know you will say that no one ever sells TEVE shares. I expect that no one knows what each and every sharehoder needs to do in the foreseeable future. They may face the need to save their home, educate their children or pay for medical expenses. If they did, TEVE would do them little good.
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