It recorded a gain of EUR 3.3m ($4.4m) in the six months to the end of June, down from EUR 3.4m a year ago.
The marginal fall in its bottom line came as revenue retreated by 3.3% to EUR 50.2m.
Cosco Pacific, which owns the Piraeus container terminal, this week logged a first half profit of $146.8m.
Drewry Maritime Equity Research says the Piraeus terminal is a gem for Cosco Pacific.
