Iron Horse Acquisition II (IRHOU) said Thursday it closed its initial public offering of 23 million units at $10 apiece for gross proceeds of $230 million.

The offering included 3 million units issued upon the full exercise of an overallotment option by the underwriter, the blank check company said.

Each unit consists of a class A common share and one right to receive one-tenth of a class A share, according to the company.

The class A shares and rights will trade on Nasdaq under the tickers "IRHO" and "IRHOR," respectively, once the securities begin separate trading, the company said.

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