Altcoins include ethereum,polygon etc. Already heard of dying of altcoins. Many peoples invest in different platforms. Some people hold ethereum polygon bnb etc. But their prices don't rise much.
It depends the period of time you are making reference to. Those altcoins you mentioned have already shown considerable gains in price along the years in crypto market, and that is the reason why they are the top altcoins many investors go for when building their portfolios. There are potential chances those altcoins will do well on an eventual next bull run. The point is that if you don't have sure on what crypto to invest you should go for BTC, because it's the safest bet in crypto market and the cryptocurrency which always push the next tendency of the market.