Bitcoin Whales are considered market players with significant funds that are able to move the cryptocurrency market. The large players being referred to are institutions such as Hedge Funds and Bitcoin Investment Funds. Some of these funds have announced their presence in the water.
Those whales weren't considered as whales when bitcoin cost like $10 (and below).
So the op wants to hop on some alts as simple investor, but he plans to hold on to those alts he mentioned to be a whale one day