KBRA affirmed A+ senior unsecured debt and deposit ratings for New York-based Signature Bank.

The rating agency also affirmed the bank's subordinated debt rating of A, and K1 short-term debt and deposit ratings.

The outlook for all long-term ratings is stable.

The ratings reflect the bank's "solid financial fundamentals including a track record of strong earnings metrics, a healthy liquidity position, and sound capital ratios."