BlackRock's stake in Aristides Pittas-led boxship owner Euroseas has diminished despite buying more shares in the New York-listed company.

The New York investor in maritime equities raised its share count in the Greek owner to 3.13 million as of 9 August from 1.85 million as of 5 June, according to latest SEC filings.

BlackRock's interest in Euroseas fell to 6.7%