Don't expect oil prices just to go straight to the moon. The price is way above its major moving average and its RSI/MACD are both diverging, showing slowing upside momentum. It doesn't mean the end of the uptrend, but it does mean a massive percentage pullback could come.
Each quarter, the "big boys" in the market have to report their positions because they're so large. Once those reports are made public, it shows what stocks they're adding to or reducing their exposure in and what stocks they've recently bought or completely sold out of.