How much of the underlying index
e.g. S&P400 Midcap 400
does 1 share of different ETF's for the same index
In other words — Pretend I buy 1 share of IVOO, Husband buys 1 share of IJH, Mom buys 1 share MDY, and Son buys 1 share SPMD. Then who owns the most of S&P400 index???