The uber-capitalized Iberiabank Corp. may soon have a way to put its extra cash to work.

The $5.5 billion-asset company raised $143 million Tuesday, adding to the $110 million it raised in December. Analysts said the Lafayette, La., company would not have diluted shareholders again unless it had a plan in mind — either one big purchase or several smaller ones, probably adding in the neighborhood of $2.5 billion of assets.

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