All of the above companies are asset managers, not principal investors (even MS in this context). Meaning that they don't benefit from a stronger Twitter, but t

All of the above companies are asset managers, not principal investors (even MS in this context). Meaning that they don't benefit from a stronger Twitter, but the individual investors and pension accounts who own their ETFs and index funds do. You might have a point if rich people's investment vehicles (like hedge funds, private equity or venture funds) owned the majority of TWTR - but they don't, as you showed.