Alliance HealthCare Services Inc. in Newport Beach will be taken private by Tahoe Investment Group Co., Ltd. in Fuzhou, China in a deal that values Alliance at about $145 million.
Alliance was up about 25% in midday trading to $12.60 and a $136 million market cap.
Tahoe Investment was formerly known as Fujian Thai Hot Investment Co., Ltd., and under that name in March 2016 bought 5.5 million shares for $102 million after which, with its previous holdings, it owned 51% of the company.
The companies said today Alliance would buy the remaining 5.7 million shares for $75 million, or about $13.25 per share and 38% higher than a $9.60 per-share bid Tahoe made in December.
Alliance operates 625 radiology and oncology centers, as of Dec. 31, providing services such as diagnostic imaging, payer management, patient scheduling and billing.
It earned net income of $500,000 on revenue of $506 million in 2016; revenue was up 6% year-over-year while net income declined about 93%.
