By Jaewon Kang

Lincolnshire Management stands to double its money on the sale of port terminal operator Amports Inc., as the firm prepares to return to market with its fifth fund, said a person familiar with the matter.

The private-equity firm sold the Jacksonville, Fla., company to a consortium of investors led by infrastructure-focused InstarAGF Asset Management Inc.

The sale caps a relationship Lincolnshire has with the company that stretches back more than a decade. The private-equity firm bought Amports from U.K. port operator Associated British Ports Holdings in 2006 and sold it to AIG Highstar Capital just a year later. Lincolnshire purchased Amports a second time in 2014.

Amports provides logistical and portside services for vehicle processing, such as inspection, storage, repair, loading and unloading. The company currently operates 11 port facilities across the U.S. and Mexico.

The exit comes as midmarket-focused Lincolnshire prepares to launch marketing efforts for its fifth fund later this year, the person said. The New York firm previously closed Lincolnshire Equity Fund IV at $835 million in 2008.

Lincolnshire, which invests across a wide range of industries including manufacturing, distribution and services, most recently sold Fabbri Group to Italian private-equity firm Argos Soditic.

Amports received financial advice from UBS Investment Bank and legal counsel from Kirkland & Ellis LLP. InstarAGF was a