- 23,421
- 31,263
For many index funds based on the Russell have crazy amounts of GME, at this market cap it doesn't even belong until they rebalance. The run up though has caused all these index funds to increase their share counts. Dark side of index investing, you own EVERYTHING even shit you would never want to be involved with. Normally the garbage has such a low market cap nobody cares about it, when the garbage runs up a few thousand percent things can get a little messy. For example look at IWM yesterday during the GME decline. GME is a little nothing company and it shouldn't be able to move such a large index.
Now the hottest new ETFs are momentum driven, and soon if GME stays up they are going to be gobbling up even more of it.
I try not to scratch my head too much over what's in an ETF. I just diversify into different etfs with different holdings so I don't get caught by anything weird.
I mean... this is what one of my "Russel" funds holds: