The same ones who bought when the stock was $60. Each time good news comes out they buy more. This is not complicated. Good news will drive this stock higher and bad news will drive it lower. Price level is not important because nobody knows what Netflix will look like in 5 years. If streaming replaces cable TV and Netflix is still the streaming leader then it's going to $1000 or higher, if Netflix fails then it's going back to $50 or lower.
Criminal Thug reed Hastings Nexus scam gang is playing fraud HFT machines guns ..programmed to trade among themselves intraday for massive fraud with MAssive price/volume distortion and full protection provided by SEC/FINRA criminals