The result was slightly better than a UBS forecast for a loss of 2.25 billion yuan but worse than a 1-1.5 billion yuan loss estimated by ICBC.
The company recorded a net profit of 2.11 billion yuan for the same period last year, it said in a statement to the Shanghai stock exchange.
The global shipping industry, which tends to mirror macroeconomic trends, has been hit by a renewed growth slowdown and increased uncertainty this year, after rebounding last year from billions of dollars in losses in 2009.
China COSCO's Hong Kong-listed stock has lost nearly half of its value this year, underperforming a 14.5 percent fall by the Hang Seng Index . The shares closed up 3.75 percent on Thursday ahead of the results.