Italy's Palumbo Group has been amassing a holding in Croatian shipyard Viktor Lenac.
The yard said the shiprepairer now owns 14.04% of its stock, according to the Hina news agency.
The shares were acquired from Croatian shipbuilder Uljanik Group and domestic shipowner Tankerska Plovidba.
At the end of March, Tankerska had 36.55% and Uljanik had 34.67%.
This has been reduced to 27.04%