Cardano 22.50%
Holochain 13.04%
Iota 11.35%
Neo 9.76%
Stellar 9.44%
Nano 8.90%
Vechain 5.61%
PundiX 4.69%
Apollo 3.85%
Quant 3.43%
Harmony 1.99%
Own 1.72%
Swarm 1.00%
Bomb 0.60%
OceanEx 0.59%
I think you should keep these altcoins only:
Cardano, NEO, Pundi X, Harmony, Nano.
Those are great altcoins in your portfolio and you need to spend more money on it. Other altcoins only make you more anxious and make your portfolio more troublesome. That will make you lose focus on good altcoins.