Hello rich guys, i wanna buy 9 altcoins in 3 exchange site within my Electrum wallet. soo something like i will send to every exchange site 1/3 of my BTC

Question is; am i need to download every one of this altcoins's own wallets or Electrum 3.0.3 wallet can hold them together?


Genesis Vision
0x           
Elixir       
Stratis     
ETHLend     
EquiTrader   
XTRABYTE     
Oyster Pearl
Xspectra     


Thnx,  see you on Mars