Before holding a meme coin for long-term, ensure that you have make a research towards that coin, to know the people who is sponsoring the coin, because not all meme coins that survive on the process of holding,

Based on your question op, people is still holding meme coins in this 2025, the case is that, anyone who is holding a coin will not let you know the kind of memes coins they're holding unless the coin is doing well in the market, people always make pronouncement of coin they're holding in public when the coins is doing well or when they have lost it all.