Revenues for the quarter increased to $6.36 billion, up from $5.82 billion in 2011.
Adjusted EPS for the second quarter was $1.26. That missed forecasts of $1.35 from analysts, CNBC noted.
Last year a series of dramatic tornadoes in the Midwest left insurance companies scrambling to cover billions of dollars in losses.
During the second quarter, Travelers said its catastrophe losses dropped to $357 million, roughly a third of the $1.09 billion in catastrophe claims it faced during this time in 2011.
The insurance provider said that prices for commercial insurance coverage were up 7% compared to last year.
Shares of Travelers slid about 1% in mid-day trading on Thursday.