Ending five years of continually strong profitability and revenue growth, Davis Polk & Wardwell had a mostly flat year in 2015, the firm said Thursday.

Profits per partner among the firm’s all-equity partnership rose to $3.33 million last year, up a slender 1.2 percent from 2014. Overall revenues edged very slightly downward, from $1.072 billion to $1.070 billion. Net earnings stood at $510 million, up 1.2 percent.