It's pretty hard to believe since it's a really big amount. Plus, knowing the price evolution, I'd say you could have been easily coming out years ago to brad about, let's say, 25 BTC (yes, I've taken into account even the fact that if you had BTC to lend at 4k, then you most probably had quite a stash already in 2019).

However, congrats and make sure you don't brag too often, too open, so you don't get you or your loved ones into unnecessary troubles.
And I do like the conclusion, although for most is from hard to (almost) impossible to achieve their moon number: