2 ms·Is HBM mostly Samsung?by ijidak 3y agoIs HBM mostly Samsung?atty 3y agoI thought SK Hynix was the big producer of HBM? But that could be out of date.mahkeiro 3y agoMarket share for last year were 50% SK, 40% Samsung and 10% Micron, but as there is currently a huge demand things may change depending on capacity.