The most recent stock split for Itau Unibanco Holding S.A (ITUB) was a 1.5:1 split on November 28, 2018. The combined total of all historical stock splits for Itau Unibanco Holding S.A result in 31.404945 current shares for every original share available at the IPO in 2002.
Itau Unibanco Holding S.A - 22 Year Stock Split History | ITUB